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Filiform needle acupuncture for allergic rhinitis: A systematic review and meta-analysis
Shi-Hao Du, Wei Guo, Chao Yang, Sheng Chen, Sheng-Nan Guo, Shuo Du, Zhong-Ming Du, Yu-Tong Fei, Ji-Ping Zhao
Journal of Integrative Medicine    2022, 20 (6): 497-513.   DOI: 10.1016/j.joim.2022.08.004
Accepted: 07 May 2022
Online available: 05 August 2022

Abstract159)   HTML    PDF      

Background

Filiform needle acupuncture (FNA), the most classical and widely applied acupuncture method based on traditional Chinese medicine theory, has shown a promising effect in the treatment of allergic rhinitis (AR).

Objective

We aim to comprehensively evaluate the efficacy, safety, cost-effectiveness, and patient preference of FNA in the treatment of AR by comparing FNA with sham acupuncture, no treatment, and conventional medication.

Search strategy

Eight electronic databases were systematically searched from inception to October 14, 2021. Additional studies were acquired from clinical trial registration platforms and reference lists.

Inclusion criteria

RCTs were included if they compared FNA with either sham acupuncture, no treatment, or conventional medications for AR.

Data extraction and analysis

Two researchers extracted data independently of each other using a predesigned data acquisition form, and results were cross-checked after completion. The primary outcome was symptom score (Total Nasal Symptom Score or Visual Analog Scale), and the secondary outcomes were the AR control questionnaire, quality of life (QoL) score (Different versions of Rhinoconjunctivitis Quality of Life Questionnaires), medication score (use of rescue medication), mental health score, total IgE, adverse event rate, clinical economic indicators, and patient satisfaction score. Standardized mean difference (SMD) or mean difference (MD) with 95% confidence intervals (CIs) was used to calculate the effect size for continuous data, while risk ratio with 95% Cis was used for dichotomous data.

Results

Thirty studies were included in this review. Compared with sham acupuncture, FNA significantly reduced the symptom score (SMD: –0.29 [–0.43, –0.15]), AR’s impact on QoL (SMD: –0.23 [–0.37, –0.08]) and medication score (SMD: –0.3 [–0.49, –0.11]). Compared with no treatment, FNA dramatically reduced the symptom score (SMD: –0.8 [–1.2, –0.39]) and AR’s impact on QoL (SMD: –0.82 [–1.13, –0.52]). There were no increased rates of adverse event with FNA compared to sham acupuncture and no treatment. FNA increased patient satisfaction and may be cost-effective. Most pieces of evidence from the above two comparisons were of high confidence. Moreover, FNA significantly outperformed conventional medication in reducing the symptom score (SMD: –0.48 [–0.85, –0.1]) and displayed a lower rate of adverse events, but the quality of evidence was very low.

Conclusion

FNA is an effective and safe intervention for AR and can help with symptom relief, QoL improvement, reducing medication usage, and increasing patient satisfaction. Further studies are needed to verify its cost-effectiveness and superiority over conventional medication and the best therapeutic strategies.

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Topical Calendula officinalis L. inhibits inflammatory pain through antioxidant, anti-inflammatory and peripheral opioid mechanisms
Bárbara B. Garrido-Suárez, Gabino Garrido, Addis Bellma Menéndez, Nelson Merino, Odalys Valdés, Nilia de la Paz, Aylema Romero, Livan Delgado, Miguel D. Fernández, Octavio Piñeros, René Delgado-Hernández
Journal of Integrative Medicine    2023, 21 (1): 34-46.   DOI: 10.1016/j.joim.2022.10.002
Accepted: 08 February 2022
Online available: 08 October 2022

Abstract157)      PDF      
Objective: The present study evaluated the antinociceptive activity of Calendula officinalis L. (Ca) cream on inflammatory hypernociception.
Methods: Creams with different Ca concentrations were tested for their ability to ameliorate pain-related behavior and edema in rats using formalin test, carrageenan (Cg)-induced acute inflammation model, bradykinin (BK)-induced acute inflammation model, and complete Freund’s adjuvant (CFA)-induced chronic inflammation model. Using the formalin test, we also examined the implication of peripheral opioid receptors in the antinociceptive mechanisms of Ca cream, by means of Q-naloxone, a peripherally acting nonselective opioid antagonist. Furthermore, the effects of Ca cream compared with diclofenac on BK-induced edema were examined when the kininase II in tissue was preserved or inhibited by captopril. The local production of redox biomarkers in formalin model, tumor necrosis factor-α (TNF-α) in Cg model and histopathological changes in CFA model were also evaluated.
Results: A single application of Ca cream at a dose of 10% or 30% (w/w) decreased the formalin-induced licking/biting behavior during both phases of this test in a Q-naloxone-sensitive manner. This effect was associated with the reduction of oxidative stress in the injured paw and the edema associated with the later phase of formalin-induced pain. A single application of Ca cream (10% or 30%) reduced paw edema and thermal hypernociception in Cg-induced acute inflammation, corresponding with a local decrease in TNF-α. Ca cream also inhibited BK-induced spontaneous nociceptive behavior and paw inflammation in both paradigms studied. Repeated applications of Ca cream also decreased CFA-induced chronic inflammation, mechanical hypernociception and histopathological changes in the paw.
Conclusion: These results reveal the topical antinociceptive and antiedematogenic effects of Ca cream. A modulatory action on peripheral opioid receptors associated with its antioxidant mechanism may be involved, at least in part, in its analgesic effects. These findings may have an impact on the clinical management of painful inflammatory diseases.
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The Chinese herbal prescription JieZe-1 inhibits caspase-1-dependent pyroptosis induced by herpes simplex virus-2 infection in vitro
Tong Liu, Qing-qing Shao, Wen-jia Wang, Tian-li Liu, Xi-ming Jin, Li-jun Xu, Guang-ying Huang, Zhuo Chen
Journal of Integrative Medicine    2023, 21 (3): 277-288.   DOI: 10.1016/j.joim.2023.03.003
Accepted: 19 October 2022
Online available: 21 March 2023

Abstract134)   HTML    PDF      

Objective

JieZe-1 (JZ-1), a Chinese herbal prescription, has an obvious effect on genital herpes, which is mainly caused by herpes simplex virus type 2 (HSV-2). Our study aimed to address whether HSV-2 induces pyroptosis of VK2/E6E7 cells and to investigate the anti-HSV-2 activity of JZ-1 and the effect of JZ-1 on caspase-1-dependent pyroptosis.

Methods

HSV-2-infected VK2/E6E7 cells and culture supernate were harvested at different time points after the infection. Cells were co-treated with HSV-2 and penciclovir (0.078125 mg/mL) or caspase-1 inhibitor VX-765 (24 h pretreatment with 100 μmol/L) or JZ-1 (0.078125–50 mg/mL). Cell counting kit-8 assay and viral load analysis were used to evaluate the antiviral activity of JZ-1. Inflammasome activation and pyroptosis of VK2/E6E7 cells were analyzed using microscopy, Hoechst 33342/propidium iodide staining, lactate dehydrogenase release assay, gene and protein expression, co-immunoprecipitation, immunofluorescence, and enzyme-linked immunosorbent assay.

Results

HSV-2 induced pyroptosis of VK2/E6E7 cells, with the most significant increase observed 24 h after the infection. JZ-1 effectively inhibited HSV-2 (the 50% inhibitory concentration = 1.709 mg/mL), with the 6.25 mg/mL dose showing the highest efficacy (95.76%). JZ-1 (6.25 mg/mL) suppressed pyroptosis of VK2/E6E7 cells. It downregulated the inflammasome activation and pyroptosis via inhibiting the expression of nucleotide-binding oligomerization domain-like receptor family pyrin domain-containing protein 3 (P < 0.001) and interferon-γ-inducible protein 16 (P < 0.001), and their interactions with apoptosis-associated speck-like protein containing a caspase recruitment domain, and reducing cleaved caspase-1 p20 (P < 0.01), gasdermin D-N (P < 0.01), interleukin (IL)-1β (P < 0.001), and IL-18 levels (P < 0.001).

Conclusion

JZ-1 exerts an excellent anti-HSV-2 effect in VK2/E6E7 cells, and it inhibits caspase-1-dependent pyroptosis induced by HSV-2 infection. These data enrich our understanding of the pathologic basis of HSV-2 infection and provide experimental evidence for the anti-HSV-2 activity of JZ-1.

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Fructus Zanthoxyli extract improves glycolipid metabolism disorder of type 2 diabetes mellitus via activation of AMPK/PI3K/Akt pathway: Network pharmacology and experimental validation
Ting Zhang, Qing Zhang, Wei Zheng, Ting Tao, Ruo-lan Li, Li-yu Wang, Wei Peng, Chun-jie Wu
Journal of Integrative Medicine    2022, 20 (6): 543-560.   DOI: 10.1016/j.joim.2022.07.004
Accepted: 13 May 2022
Online available: 05 August 2022

Abstract130)   HTML    PDF      
Objective: This study investigated the potential mechanisms behind the beneficial effects of Fructus Zanthoxyli (FZ) against type 2 diabetes mellitus (T2DM) based on network pharmacology and experimental validation.
Methods: Ultra-high-performance liquid chromatography coupled with hybrid quadrupole-orbitrap high-resolution mass spectrometry, and gas chromatography-mass spectrometry were used to identify the constituents of FZ. Next, the differentially expressed genes linked to the treatment of diabetes with FZ were screened using online databases (including Gene Expression Omnibus database and Swiss Target Prediction online database), and the overlapping genes and their enrichment were analyzed by Kyoto Encyclopedia of Genes and Genomes (KEGG). Finally, the pathway was verified by in vitro experiments, and cell staining with oil red and Nile red showed that the extract of FZ had a therapeutic effect on T2DM.
Results: A total of 43 components were identified from FZ, and 39 differentially expressed overlapping genes were screened as the possible targets of FZ in T2DM. The dug component-target network indicated that PPARA, PPARG, PIK3R3, JAK2 and GPR88 might be the core genes targeted by FZ in the treatment of T2DM. Interestingly, the enrichment analysis of KEGG showed that effects of FZ against T2DM were closely correlated with the adenosine monophosphate-activated protein kinase (AMPK) and phosphatidylinositol-3-kinase (PI3K)/protein kinase B (Akt) signaling pathways. In vitro experiments further confirmed that FZ significantly inhibited palmitic acid-induced lipid formation in HepG2 cells. Moreover, FZ treatment was able to promote the AMPK and PI3K/Akt expressions in HepG2 cells.
Conclusion: Network pharmacology combined with experimental validation revealed that FZ extract can improve the glycolipid metabolism disorder of T2DM via activation of the AMPK/PI3K/Akt pathway.
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A comprehensive overview on the role of phytocompounds in human immunodeficiency virus treatment
Chinmayee Priyadarsani Mandhata, Chita Ranjan Sahoo, Rabindra Nath Padhy
Journal of Integrative Medicine    2023, 21 (4): 332-353.   DOI: 10.1016/j.joim.2023.05.001
Accepted: 21 March 2023
Online available: 22 May 2023

Abstract129)   HTML    PDF      
Acquired immune deficiency syndrome (AIDS) is a worldwide epidemic caused by human immunodeficiency virus (HIV) infection. Newer medicines for eliminating the viral reservoir and eradicating the virus are urgently needed. Attempts to locate relatively safe and non-toxic medications from natural resources are ongoing now. Natural-product-based antiviral candidates have been exploited to a limited extent. However, antiviral research is inadequate to counteract for the resistant patterns. Plant-derived bioactive compounds hold promise as powerful pharmacophore scaffolds, which have shown anti-HIV potential. This review focuses on a consideration of the virus, various possible HIV-controlling methods and the recent progress in alternative natural compounds with anti-HIV activity, with a particular emphasis on recent results from natural sources of anti-HIV agents.
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Analysis of mechanisms of Shenhuang Granule in treating severe COVID-19 based on network pharmacology and molecular docking
Xiang-ru Xu, Wen Zhang, Xin-xin Wu, Hong-qiang Yang, Yu-ting Sun, Yu-ting Pu, Bei Wang, Wei Peng, Li-hua Sun, Quan Guo, Shuang Zhou, Bang-jiang Fang
Journal of Integrative Medicine    2022, 20 (6): 561-574.   DOI: 10.1016/j.joim.2022.07.005
Accepted: 15 June 2022
Online available: 05 August 2022

Abstract123)   HTML    PDF      
Objective: Severe cases of coronavirus disease 2019 (COVID-19) are expected to have a worse prognosis than mild cases. Shenhuang Granule (SHG) has been shown to be a safe and effective treatment for severe COVID-19 in a previous randomized clinical trial, but the active chemical constituents and underlying mechanisms of action remain unknown. The goal of this study is to explore the chemical basis and mechanisms of SHG in the treatment of severe COVID-19, using network pharmacology.
Methods: Ultraperformance liquid chromatography/quadrupole time-of-flight mass spectrometry was employed to screen chemical constituents of SHG. Putative therapeutic targets were predicted by searching traditional Chinese medicine system pharmacology database and analysis platform, SwissTargetPrediction, and Gene Expression Omnibus (GEO) databases. The target protein-protein interaction network and enrichment analysis were performed to investigate the hub genes and presumptive mechanisms. Molecular docking and molecular dynamics simulations were used to verify the stability and interaction between the key chemical constituents of SHG and COVID-19 protein targets.
Results: Forty-five chemical constituents of SHG were identified along with 131 corresponding therapeutic targets, including hub genes such as HSP90AA1, MMP9, CXCL8, PTGS2, IFNG, DNMT1, TYMS, MDM2, HDAC3 and ABCB1. Functional enrichment analysis indicated that SHG mainly acted on the neuroactive ligand-receptor interaction, calcium signaling pathway and cAMP signaling pathway. Molecular docking showed that the key constituents had a good affinity with the severe acute respiratory syndrome coronavirus 2 protein targets. Molecular dynamics simulations indicated that ginsenoside Rg4 formed a stable protein-ligand complex with helicase.
Conclusion: Multiple components of SHG regulated multiple targets to inhibit virus invasion and cytokine storm through several signaling pathways; this provides a scientific basis for clinical applications and further experiments.
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Safety of acupotomy in a real-world setting: A prospective pilot and feasibility study
Sang-Hoon Yoon, Chan-Young Kwon, Hee-Geun Jo, Jae-Uk Sul, Hyangsook Lee, Jiyoon Won, Su Jin Jeong, Jun-Hwan Lee, Jungtae Leem
Journal of Integrative Medicine    2022, 20 (6): 514-523.   DOI: 10.1016/j.joim.2022.08.003
Accepted: 09 July 2021
Online available: 17 August 2022

Abstract117)   HTML    PDF      
Objective
Acupotomy is a modern acupuncture method that includes modern surgical methods. Since acupotomy is relatively more invasive than filiform acupuncture treatment, it is important to establish the safety profile of this practice. To justify further large-scale prospective observational studies, this preliminary study was performed to assess the feasibility of the approach and investigate the safety profile and factors potentially associated with adverse events (AEs).

Methods
This was a prospective pilot study that assessed the feasibility of a large-scale forthcoming safety study on acupotomy treatment in a real-world setting. The feasibility (call response rate, drop-out rate, response rate for each variable and recruitment per month) and safety profile (incidence, type, severity and causality of AEs, and factors potentially associated with AEs) were measured.

Results
A total of 28 participants joined the study from January to May 2018. A follow-up assessment was achieved in 258 (1185 treatment points) out of 261 sessions (1214 treatment points). The response rate via telephone on the day after treatment was 87.3%. There were 8 systemic AEs in all the sessions (8/258; 3.11%) and 27 local AEs on the total points treated (27/1185; 2.28%). Severe AEs did not occur. Total AE and local AE occurrence were associated with blade width and the number of needle stimulations per treatment point.

Conclusion
The findings suggest that it could be feasible to analyze the safety of acupotomy in a real-world setting. Moreover, the primary data on some relevant AEs could be determined. We are planning large-scale prospective studies based on these findings.
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Methodology of network pharmacology for research on Chinese herbal medicine against COVID-19: A review
Yi-xuan Wang, Zhen Yang, Wen-xiao Wang, Yu-xi Huang, Qiao Zhang, Jia-jia Li, Yu-ping Tang, Shi-jun Yue
Journal of Integrative Medicine    2022, 20 (6): 477-487.   DOI: 10.1016/j.joim.2022.09.004
Accepted: 15 August 2022
Online available: 22 September 2022

Abstract94)   HTML    PDF      
Traditional Chinese medicine, as a complementary and alternative medicine, has been practiced for thousands of years in China and possesses remarkable clinical efficacy. Thus, systematic analysis and examination of the mechanistic links between Chinese herbal medicine (CHM) and the complex human body can benefit contemporary understandings by carrying out qualitative and quantitative analysis. With increasing attention, the approach of network pharmacology has begun to unveil the mystery of CHM by constructing the heterogeneous network relationship of “herb-compound-target-pathway,” which corresponds to the holistic mechanisms of CHM. By integrating computational techniques into network pharmacology, the efficiency and accuracy of active compound screening and target fishing have been improved at an unprecedented pace. This review dissects the core innovations to the network pharmacology approach that were developed in the years since 2015 and highlights how this tool has been applied to understanding the coronavirus disease 2019 and refining the clinical use of CHM to combat it.
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The use of melittin to enhance transgene expression mediated by recombinant adeno-associated virus serotype 2 vectors both in vitro and in vivo
Yi-lin Xie, Ji-yao Wang, Yun He, Xiao-min Yu, Qing-yun Zheng, Chen Ling, Xi-lin Feng, Li-qing Zhu
Journal of Integrative Medicine    2023, 21 (1): 106-116.   DOI: 10.1016/j.joim.2022.10.003
Accepted: 26 June 2022
Online available: 14 October 2022

Abstract94)   HTML    PDF      
Objective: Melittin, a cell-penetrating peptide, improves the efficiency of many non-viral gene delivery vectors, yet its application in viral vectors has not been well studied. The non-pathogenic recombinant adeno-associated virus (rAAV) vector is an ideal in vivo gene delivery vector. However, its full potential will only be achieved after improvement of its transduction efficiency. To improve the transduction efficiency of rAAV2 vectors, we attempted to develop a melittin-based rAAV2 vector delivery strategy.
Methods: The melittin peptide was inserted into the rAAV2 capsid either in the loop VIII of all viral proteins (VPs) or at the N terminus of VP2. Various rAAV2-gfp or -fluc vectors were subjected to quantitative real-time polymerase chain reaction and Western blot assays to determine their titers and integrity of capsid proteins, respectively. Alternatively, the vectors based on wild-type capsid were pre-incubated with melittin, followed by transduction of cultured cells or tail vein administration of the mixture to C57BL/6 and BALB/c nude mice. In vivo bioluminescence imaging was performed to evaluate the transgene expression.
Results: rAAV2 vectors with melittin peptide inserted in the loop VIII of VPs had low transduction efficiency, probably due to dramatically reduced ability to bind to the target cells. Fusing the melittin peptide at the N-terminus of VP2 produced vectors without the VP2 subunit. Interestingly, among the commonly used rAAV vectors, pre-incubation of rAAV2 and rAAV6 vectors with melittin significantly enhanced their transduction efficiency in HEK293 and Huh7 cells in vitro. Melittin also had the ability to increase the rAAV2-mediated transgene expression in mouse liver in vivo. Mechanistically, melittin did not change the vector-receptor interaction. Moreover, cell counting kit-8 assays of cultured cells and serum transaminase levels indicated melittin had little cytotoxicity.
Conclusion: Pre-incubation with melittin, but not insertion of melittin into the rAAV2 capsid, significantly enhanced rAAV2-mediated transgene expression. Although further in vivo evaluations are required, this research not only expands the pharmacological potential of melittin, but also provides a new strategy to improve gene therapy mediated by rAAV vectors.
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Treatment duration of wrist-ankle acupuncture for relieving post-thyroidectomy pain: A randomized controlled trial
Xin-rui Han, Wei Yue, Hui-chao Chen, Wei He, Jiang-he Luo, Shan-xia Chen, Na Liu, Ming Yang
Journal of Integrative Medicine    2023, 21 (2): 168-175.   DOI: 10.1016/j.joim.2023.02.001
Accepted: 10 October 2022
Online available: 02 February 2023

Abstract77)   HTML    PDF      
Background
Treatment duration of wrist-ankle acupuncture (WAA) is uncertain for post-thyroidectomy pain relief.

Objective
This study evaluated the effect of different WAA treatment duration on post-operative pain relief and other discomforts associated with thyroidectomy.

Design, setting, participants and intervention
This randomized controlled trial was conducted at a single research site in Guangzhou, China. A total of 132 patients receiving thyroidectomy were randomly divided into the control group (sham WAA, 30 min) and three intervention groups (group 1: WAA, 30 min; group 2: WAA, 45 min; group 3: WAA, 60 min), with group allocation ratio of 1:1:1:1. Acupuncture was administered within 1 hour of leaving the operating room.

Outcomes and measures
Primary outcome was patients’ pain at the surgical site assessed by visual analogue scale (VAS) at the moment after acupuncture treatment (post-intervention). Secondary outcomes included the patients’ pain VAS scores at 6, 12, 24, 48 and 72 h after the thyroidectomy, the 40-item Quality of Recovery (QoR-40) score, the grade of post-operative nausea and vomiting (PONV), and the use of additional analgesic therapy.

Results
The adjusted mean difference (AMD) in VAS scores from baseline to post-intervention in group 1 was 0.89 (95% confidence interval [CI], 1.02 to 0.76). The decrease in VAS score at post-intervention was statistically significant in group 1 compared to the control group (AMD, 0.43; 95% CI, 0.58 to 0.28; P < 0.001), and in groups 2 and 3 compared to group 1 (group 2 vs group 1: AMD, 0.65; 95% CI, 0.81 to 0.48; P < 0.001; group 3 vs group 1: AMD, 0.66; 95% CI, 0.86 to 0.47; P < 0.001). The VAS scores in the four groups converged beyond 24 h after the operation. Fewer patients in group 2 and group 3 experienced PONV in the first 24 h after operation. No statistical differences were measured in QoR-40 score and the number of patients with additional analgesic therapy.

Conclusion
Compared with the 30 min intervention, WAA treatment with longer needle retention time (45 or 60 min) had an advantage in pain relief within 6 h after surgery. WAA’s analgesic effect lasted for 6–12 h post-operatively.
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Effectiveness of Scutellaria baicalensis Georgi root in pregnancy-related diseases: A review
Dan-na Fang, Chang-wu Zheng, Ye-ling Ma
Journal of Integrative Medicine    2023, 21 (1): 17-25.   DOI: 10.1016/j.joim.2022.09.005
Accepted: 04 July 2022
Online available: 28 September 2022

Abstract74)      PDF      
The root of Scutellaria baicalensis Georgi, also called Huangqin, is frequently used in traditional Chinese medicine. In ancient China, S. baicalensis root was used to clear heat, protect the fetus, and avoid a miscarriage for thousands of years. In modern times, pregnancy-related diseases can seriously affect maternal and fetal health, but few systematic studies have explored the mechanisms and potential targets of S. baicalensis root in the treatment of pregnancy-related diseases. Flavonoids (baicalein, wogonin and oroxylin A) and flavonoid glycosides (baicalin and wogonoside) are the main chemical components in the root of S. baicalensis. This study presents the current understanding of the major chemical components in the root of S. baicalensis, focusing on their traditional uses, potential therapeutic effects and ethnopharmacological relevance to pregnancy-related disorders. The mechanisms, potential targets and experimental models of S. baicalensis root for ameliorating pregnancy-related diseases, such as recurrent spontaneous abortion, preeclampsia, preterm birth, fetal growth restriction and gestational diabetes mellitus, are highlighted.
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Appraisal of treatment outcomes in integrative medicine using metabonomics: Taking non-alcoholic fatty liver disease with spleen deficiency syndrome as an example
Liang Dai, Jing-juan Xu, Wen-jun Zhou, Ai-ping Lü, Guang Ji
Journal of Integrative Medicine    2022, 20 (6): 524-533.   DOI: 10.1016/j.joim.2022.08.002
Accepted: 06 July 2022
Online available: 13 August 2022

Abstract72)   HTML    PDF      
Objective
Appraisal of treatment outcomes in integrative medicine is a challenge due to a gap between the concepts of Western medicine (WM) disease and traditional Chinese medicine (TCM) syndrome. This study presents an approach for the appraisal of integrative medicine that is based on targeted metabolomics. We use non-alcoholic fatty liver disease with spleen deficiency syndrome as a test case.

Methods
A patient-reported outcome (PRO) scale was developed based on literature review, Delphi consensus survey, and reliability and validity test, to quantitatively evaluate spleen deficiency syndrome. Then, a metabonomic foundation for the treatment of non-alcoholic fatty liver disease with spleen deficiency syndrome was identified via a longitudinal interventional trial and targeted metabolomics. Finally, an integrated appraisal model was established by identifying metabolites that responded in the treatment of WM disease and TCM syndrome as positive outcomes and using other aspects of the metabonomic foundation as independent variables.

Results
Ten symptoms and signs were included in the spleen deficiency PRO scale. The internal reliability, content validity, discriminative validity and structural validity of the scale were all qualified. Based on treatment responses to treatments for WM disease (homeostasis model assessment of insulin resistance) or TCM syndrome (spleen deficiency PRO scale score) from a previous randomized controlled trial, two cohorts comprised of 30 participants each were established for targeted metabolomics detection. Twenty-five metabolites were found to be involved in successful treatment outcomes to both WM and TCM, following quantitative comparison and multivariate analysis. Finally, the model of the integrated appraisal system was exploratively established using binary logistic regression; it included 9 core metabolites and had the prediction probability of 83.3%.

Conclusion
This study presented a new and comprehensive research route for integrative appraisal of treatment outcomes for WM disease and TCM syndrome. Critical research techniques used in this research included the development of a TCM syndrome assessment tool, a longitudinal interventional trial with verified TCM treatment, identification of homogeneous metabolites, and statistical modeling.
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Integrated therapeutic plasma exchange and traditional Chinese medicine treatment in a patient with severe COVID-19: A case report
Chia-Wei Lin, Wei-Chen Hsu, Chien-Lu Lu, Su-Hsing Cheng, Cheng-Pin Chen, Yu-Chang Hou
Journal of Integrative Medicine    2022, 20 (6): 575-580.   DOI: 10.1016/j.joim.2022.09.001
Accepted: 06 February 2022
Online available: 22 November 2022

Abstract69)   HTML    PDF      
This report presents the case of a 59-year-old man with severe COVID-19 that gradually progressed to cytokine release syndrome and then acute respiratory distress syndrome; he was successfully treated via integration of therapeutic plasma exchange and traditional Chinese medicine. The patient initially presented with a sore throat, severe muscle aches, productive cough and fever. On the worsening of symptoms, remdesivir was administered. However, as the symptoms continued to worsen and a cytokine release syndrome was suspected, oxygen was provided through a high-flow nasal cannula (50 L/min) and therapeutic plasma exchange was performed to prevent worsening of the acute respiratory distress syndrome. On the same day, a course of traditional Chinese medicine was introduced in consultation with the infectious house staff. The patient’s symptoms gradually improved; the levels of C-reactive protein and D-dimers reduced, and the patient was weaned to a simple oxygen mask and eventually to room air. This is the first reported case of the integration of these treatments. Together, they prevented the patient from requiring intubation, played a role in cytokine management, and also improved the clinical symptoms, including productive purulent sputum, cough, frequent stool passage and intermittent fever, with no adverse effects. As a result, the patient was discharged within two weeks of the integration of these treatments. Therefore, the integration of therapeutic plasma exchange and traditional Chinese medicine is an effective therapy for patients with severe COVID-19.
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Potential medicinal plants involved in inhibiting 3CLpro activity: A practical alternate approach to combating COVID-19
Fan Yang, Xiao-lan Jiang, Akash Tariq, Sehrish Sadia, Zeeshan Ahmed, Jordi Sardans, Muhammad Aleem, Riaz Ullah, Rainer W. Bussmann
Journal of Integrative Medicine    2022, 20 (6): 488-496.   DOI: 10.1016/j.joim.2022.08.001
Accepted: 29 June 2022
Online available: 09 August 2022

Abstract69)   HTML    PDF      
At present, a variety of vaccines have been approved, and existing antiviral drugs are being tested to find an effective treatment for coronavirus disease 2019 (COVID-19). However, no standardized treatment has yet been approved by the World Health Organization. The virally encoded chymotrypsin-like protease (3CLpro) from severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which facilitates the replication of SARS-CoV in the host cells, is one potential pharmacological target for the development of anti-SARS drugs. Online search engines, such as Web of Science, Google Scholar, Scopus and PubMed, were used to retrieve data on the traditional uses of medicinal plants and their inhibitory effects against the SARS-CoV 3CLpro. Various pure compounds, including polyphenols, terpenoids, chalcones, alkaloids, biflavonoids, flavanones, anthraquinones and glycosides, have shown potent inhibition of SARS-CoV-2 3CLpro activity with 50% inhibitory concentration (IC50) values ranging from 2–44 μg/mL. Interestingly, most of these active compounds, including xanthoangelol E (isolated from Angelica keiskei), dieckol 1 (isolated from Ecklonia cava), amentoflavone (isolated from Torreya nucifera), celastrol, pristimerin, tingenone and iguesterin (isolated from Tripterygium regelii), tannic acid (isolated from Camellia sinensis), and theaflavin-3,3'-digallate, 3-isotheaflavin-3 gallate and dihydrotanshinone I (isolated from Salvia miltiorrhiza), had IC50 values of less than 15 μg/mL. Kinetic mechanistic studies of several active compounds revealed that their mode of inhibition was dose-dependent and competitive, with Ki values ranging from 2.4–43.8 μmol/L. Given the significance of plant-based compounds and the many promising results obtained, there is still need to explore the phytochemical and mechanistic potentials of plants and their products. These medicinal plants could serve as an effective inexpensive nutraceutical for the general public to help manage COVID-19.
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Huangqi Decoction, a compound Chinese herbal medicine, inhibits the proliferation and activation of hepatic stellate cells by regulating the long noncoding RNA-C18orf26-1/microRNA-663a/transforming growth factor-β axis
Ben-sheng Dong, Fu-qun Liu, Wen-na Yang, Xiao-dong Li, Miao-juan Shi, Mao-rong Li, Xiu-li Yan, Hui Zhang
Journal of Integrative Medicine    2023, 21 (1): 47-61.   DOI: 10.1016/j.joim.2022.11.002
Accepted: 31 October 2022
Online available: 23 January 2023

Abstract66)   HTML    PDF      

Objective

Huangqi Decoction (HQD), a classical traditional Chinese medicine formula, has been used as a valid treatment for alleviating liver fibrosis; however, the underlying molecular mechanism is still unknown. Although our previous studies showed that microRNA-663a (miR-663a) suppresses the proliferation and activation of hepatic stellate cells (HSCs) and the transforming growth factor-β/small mothers against decapentaplegic (TGF-β/Smad) pathway, whether long noncoding RNAs (lncRNAs) are involved in HSC activation via the miR-663a/TGF-β/Smad signaling pathway has not yet reported. The present study aimed to investigate the roles of lncRNA lnc-C18orf26-1 in the activation of HSCs and the mechanism by which HQD inhibits hepatic fibrosis.

Methods

The expression levels of lnc-C18orf26-1, miR-663a and related genes were measured by quantitative reverse transcription-polymerase chain reaction. HSCs were transfected with the miR-663a mimic or inhibitor and lnc-C18orf26-1 small interfering RNAs. The water-soluble tetrazolium salt-1 assay was used to assess the proliferation rate of HSCs. Changes in lncRNA expression were evaluated in miR-663a-overexpressing HSCs by using microarray to identify miR-663a-regulated lncRNAs. RNA hybrid was used to predict the potential miR-663a binding sites on lncRNAs. Luciferase reporter assays further confirmed the interaction between miR-663a and the lncRNA. The expression levels of collagen α-2(I) chain (COL1A2), α-smooth muscle actin (α-SMA) and TGF-β/Smad signaling pathway-related proteins were determined using Western blotting.

Results

Lnc-C18orf26-1 was upregulated in TGF-β1-activated HSCs and competitively bound to miR-663a. Knockdown of lnc-C18orf26-1 inhibited HSC proliferation and activation, downregulated TGF-β1-stimulated α-SMA and COL1A2 expression, and inhibited the TGF-β1/Smad signaling pathway. HQD suppressed the proliferation and activation of HSCs. HQD increased miR-663a expression and decreased lnc-C18orf26-1 expression in HSCs. Further studies showed that HQD inhibited the expression of COL1A2, α-SMA, TGF-β1, TGF-β type I receptor (TGF-βRI) and phosphorylated Smad2 (p-Smad2) in HSCs, and these effects were reversed by miR-663a inhibitor treatment.

Conclusion

Our study identified lnc-C18orf26-1 and miR-663a as promising therapeutic targets for hepatic fibrosis. HQD inhibits HSC proliferation and activation at least partially by regulating the lnc-C18orf26-1/miR-663a/TGF-β1/TGF-βRI/p-Smad2 axis.

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Physical exercise suppresses hepatocellular carcinoma progression by alleviating hypoxia and attenuating cancer stemness through the Akt/GSK-3β/β-catenin pathway
Chu-lan Xiao, Zhi-peng Zhong, Can Lü, Bing-jie Guo, Jiao-jiao Chen, Tong Zhao, Zi-fei Yin, Bai Li
Journal of Integrative Medicine    2023, 21 (2): 184-193.   DOI: 10.1016/j.joim.2023.01.002
Accepted: 27 October 2022
Online available: 20 January 2023

Abstract65)   HTML    PDF      
Objective:
Physical exercise, a common non-drug intervention, is an important strategy in cancer treatment, including hepatocellular carcinoma (HCC). However, the mechanism remains largely unknown. Due to the importance of hypoxia and cancer stemness in the development of HCC, the present study investigated whether the anti-HCC effect of physical exercise is related to its suppression on hypoxia and cancer stemness.

Methods:
A physical exercise intervention of swimming (30 min/d, 5 d/week, for 4 weeks) was administered to BALB/c nude mice bearing subcutaneous human HCC tumor. The anti-HCC effect of swimming was assessed in vivo by tumor weight monitoring, hematoxylin and eosin (HE) staining, and immunohistochemistry (IHC) detection of proliferating cell nuclear antigen (PCNA) and Ki67. The expression of stemness transcription factors, including Nanog homeobox (NANOG), octamer-binding transcription factor 4 (OCT-4), v-Myc avian myelocytomatosis viral oncogene homolog (C-MYC) and hypoxia-inducible factor-1α (HIF-1α), was detected using real-time reverse transcription polymerase chain reaction. A hypoxia probe was used to explore the intratumoral hypoxia status. Western blot was used to detect the expression of HIF-1α and proteins related to protein kinase B (Akt)/glycogen synthase kinase-3β (GSK-3β)/β-catenin signaling pathway. The IHC analysis of platelet endothelial cell adhesion molecule-1 (CD31), and the immunofluorescence co-location of CD31 and desmin were used to analyze tumor blood perfusion. SMMC-7721 cells were treated with nude mice serum. The inhibition effect on cancer stemness in vitro was detected using suspension sphere experiments and the expression of stemness transcription factors. The hypoxia status was inferred by measuring the protein and mRNA levels of HIF-1α. Further, the expression of proteins related to Akt/GSK-3β/β-catenin signaling pathway was detected.

Results:
Swimming significantly reduced the body weight and tumor weight in nude mice bearing HCC tumor. HE staining and IHC results showed a lower necrotic area ratio as well as fewer PCNA or Ki67 positive cells in mice receiving the swimming intervention. Swimming potently alleviated the intratumoral hypoxia, attenuated the cancer stemness, and inhibited the Akt/GSK-3β/β-catenin signaling pathway. Additionally, the desmin+/CD31+ ratio, rather than the number of CD31+ vessels, was significantly increased in swimming-treated mice. In vitro experiments showed that treating cells with the serum from the swimming intervention mice significantly reduced the formation of SMMC-7721 cell suspension sphere, as well as the mRNA expression level of stemness transcription factors. Consistent with the in vivo results, HIF-1α and Akt/GSK-3β/β-catenin signaling pathway were also inhibited in cells treated with serum from swimming group.

Conclusion:
Swimming alleviated hypoxia and attenuated cancer stemness in HCC, through suppression of the Akt/GSK-3β/β-catenin signaling pathway. The alleviation of intratumoral hypoxia was related to the increase in blood perfusion in the tumor.
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Moxibustion improves experimental colitis in rats with Crohn’s disease by regulating bile acid enterohepatic circulation and intestinal farnesoid X receptor
Jia-cheng Shen, Qin Qib, Dong Han, Yuan Lu, Rong Huang, Yi Zhu, Lin-shan Zhang, Xiu-di Qin, Fang Zhang, Huan-gan Wu, Hui-rong Liu
Journal of Integrative Medicine    2023, 21 (2): 194-204.   DOI: 10.1016/j.joim.2023.01.001
Accepted: 13 December 2022
Online available: 13 January 2023

Abstract64)   HTML    PDF      

Objective

This study was conducted to explore the mechanism of intestinal inflammation and barrier repair in Crohn’s disease (CD) regulated by moxibustion through bile acid (BA) enterohepatic circulation and intestinal farnesoid X receptor (FXR).

Methods

Sprague-Dawley rats were randomly divided into control group, CD model group, mild moxibustion group and herb-partitioned moxibustion group. CD model rats induced by 2,4,6-trinitrobenzene sulfonic acid were treated with mild moxibustion or herb-partitioned moxibustion at Tianshu (ST25) and Qihai (CV6). The changes in CD symptoms were rated according to the disease activity index score, the serum and colon tissues of rats were collected, and the pathological changes in colon tissues were observed via histopathology. Western blot, immunohistochemistry (IHC) and immunofluorescence were used to evaluate the improvement of moxibustion on intestinal inflammation and mucosal barrier in CD by the BA-FXR pathway.

Results

Mild moxibustion and herb-partitioned moxibustion improved the symptoms of CD, inhibited inflammation and repaired mucosal damage to the colon in CD rats. Meanwhile, moxibustion could improve the abnormal expression of BA in the colon, liver and serum, downregulate the expression of interferon-γ and upregulate the expression of FXR mRNA, and inhibit Toll-like receptor 4 (TLR4) and myeloid differentiation factor 88 (MyD88) mRNA. The IHC results showed that moxibustion could upregulate the expression of FXR and mucin2 and inhibit TLR4 expression. Western blot showed that moxibustion inhibited the protein expression of TLR4 and MyD88 and upregulated the expression of FXR. Immunofluorescence image analysis showed that moxibustion increased the colocalization sites and intensity of FXR with TLR4 or nuclear factor-κB p65. In particular, herb-partitioned moxibustion has more advantages in improving BA and upregulating FXR and TLR4 in the colon.

Conclusion

Mild moxibustion and herb-partitioned moxibustion can improve CD by regulating the enterohepatic circulation stability of BA, activating colonic FXR, regulating the TLR4/MyD88 pathway, inhibiting intestinal inflammation and repairing the intestinal mucosal barrier. Herb-partitioned moxibustion seems to have more advantages in regulating BA enterohepatic circulation and FXR activation.


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Momordica charantia fruit extract with antioxidant capacity improves the expression of tyrosine-phosphorylated proteins in epididymal fluid of chronic stress rats
Supatcharee Arun, Therachon Kamollerd, Nareelak Tangsrisakda, Sudtida Bunsueb, Arada Chaiyamoon, Alexander Tsang-Hsien Wu, Sitthichai Iamsaard
Journal of Integrative Medicine    2022, 20 (6): 534-542.   DOI: 10.1016/j.joim.2022.09.002
Accepted: 06 February 2022
Online available: 22 November 2022

Abstract63)   HTML    PDF      
Objective: Although the protective effects of Momordica charantia L. (MC) extract on chemical-induced testicular damage have been studied, the preventive effects of MC extract on functional proteins in the epididymis under chronic stress have never been reported. This study investigated the protective effects of MC fruit extract on protein secretion, especially tyrosine-phosphorylated proteins, in the epididymis of rats exposed to chronic unpredictable stress (CUS).
Methods: Total phenolic compounds (TPC), total flavonoid compounds (TFC) and antioxidant capacities of MC extract were measured. Adult male rats were divided into 4 groups: control group, CUS group, and 2 groups of CUS that received different doses of MC extract (40 or 80 mg/kg). In treated groups, rats were given MC daily, followed by induction of CUS (1 stressor was randomly applied from a battery of 9 potential stressors) for 60 consecutive days. Plasma corticosterone and testosterone levels were analyzed after the end of experiment. Expressions of heat-shock protein 70 (HSP-70) and tyrosine-phosphorylated proteins present in the fluid of the head and tail of the epididymis were quantified using Western blot.
Results: MC extract contained TPC of (19.005 ± 0.270) mg gallic acid equivalents and TFC of (0.306 ± 0.012) mg catechin equivalents per gram, and had 2,2-diphenyl-1-picrylhydrazyl antioxidant capacity of (4.985 ± 0.086) mg trolox equivalents per gram, radical half-maximal inhibitory concentration of (2.011 ± 0.008) mg/mL and ferric reducing antioxidant power of (23.697 ± 0.819) μmol Fe(II) per gram. Testosterone level in the epididymis was significantly increased, while the corticosterone level was significantly improved in groups treated with MC extract, compared to the CUS animals. Particularly, an 80 mg/kg dose of MC extract prevented the impairments of HSP-70 and tyrosine-phosphorylated protein expressions in the luminal fluid of the epididymis of CUS rats.
Conclusion: MC fruit extract had antioxidant activities and improved the functional proteins secreted from the head and tail of the epididymis. It is possible to develop the MC fruit extract as a male fertility supplement for enhancing functional sperm maturation in stressed men.
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Electro-acupuncture promotes gut motility and alleviates functional constipation by regulating gut microbiota and increasing butyric acid generation in mice
Ming-min Xu, Yu Guo, Ying Chen, Wei Zhang, Lu Wang, Ying Li
Journal of Integrative Medicine    2023, 21 (4): 397-406.   DOI: 10.1016/j.joim.2023.05.003
Accepted: 17 March 2023
Online available: 01 June 2023

Abstract63)   HTML    PDF      

Objective

Abnormalities in the gut microbiota and intestinal short-chain fatty acid (SCFA) levels are implicated in the pathogenesis of functional constipation (FC). Electro-acupuncture (EA) has been shown to improve constipation-related symptoms and rebalance the gut microbiota. However, it is currently unknown whether the gut microbiota is a key mechanistic target for EA or how EA promotes gut motility by regulating the gut microbiota and SCFAs. Therefore, we assessed the effects of EA in FC mice and pseudo-germfree (PGF) mice to address these questions.

Methods

Forty female Kunming mice were randomly separated into a normal control group (n = 8), an FC group (n = 8), an FC + EA group (n = 8), a PGF group (n = 8) and a PGF + EA group (n = 8). The FC group and FC + EA group were treated with diphenoxylate to establish the FC model; the PGF group and PGF + EA group were given an antibiotic cocktail to initiate the PGF model. After maintaining the model for 14 d, mice in the FC + EA and PGF + EA groups received EA stimulation at the ST25 and ST37 acupoints, once a day, 5 times per week, for 2 weeks. Fecal parameters and intestinal transit rate were calculated to assess the efficacy of EA on constipation and gastrointestinal motility. Colonic contents were used to quantify gut microbial diversity using 16S rRNA sequencing, and measure SCFA concentrations using gas chromatography-mass spectrometry.

Results

EA significantly shortened the first black stool defecation time (P < 0.05) and increased the intestinal transit rate (P < 0.01), and fecal pellet number (P < 0.05), wet weight (P < 0.05) and water content (P < 0.01) over 8 h, compared with the FC group, showing that EA promoted gut motility and alleviated constipation. However, EA treatment did not reverse slow-transit colonic motility in PGF mice (P > 0.05), demonstrating that the gut microbiota may play a mechanistic role in the EA treatment of constipation. In addition, EA treatment restored the Firmicutes to Bacteroidetes ratio and significantly increased butyric acid generation in FC mice (P < 0.05), most likely due to the upregulation of Staphylococcaceae microorganisms (P < 0.01).

Conclusion

EA-mediated resolution of constipation occurs through rebalancing the gut microbiota and promoting butyric acid generation.

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Mechanical effects of needle texture on acupoint tissue
Ming-zhu Sun, Xin Wang, Ying-chen Li, Wei Yao, Wei Gu
Journal of Integrative Medicine    2023, 21 (3): 254-267.   DOI: 10.1016/j.joim.2023.03.005
Accepted: 14 November 2022
Online available: 23 March 2023

Abstract61)   HTML    PDF      
Objective
This study aims to clarify how the stimulation of acupuncture points is achieved by needles with different surface texture during acupuncture; it also seeks to lessen injury at the insertion site and increase the therapeutic efficacy of acupuncture, by simulating the mechanical effects of various needle surface patterns on Zusanli (ST36) without changing the radius of acupuncture needles.

Methods
Five acupuncture needle models with different surface patterns, including the smooth needle, the lined needle, the ringed needle, the left-hand threaded needle and the right-hand threaded needle, and a layered model of the Zusanli acupoint were used to investigate how to reduce tissue damage and increase stimulation during acupuncture treatment. Puncturing of the skin as well as lifting-inserting and twisting needle manipulations were simulated using these models, and the degree of damage and force of stimulation caused by the acupuncture needles with different surface patterns during acupuncture were compared.

Results
The smooth needle and the lined needle caused the least tissue damage during insertion, while the left-hand threaded and the right-hand threaded needles caused the most damage. The ringed needle, the left-hand threaded needle and the right-hand threaded needle stimulated the acupoint tissue more during lifting-inserting manipulations, while the lined needle and the smooth needle produced less stimulation. The stimulation of the lined needle on the acupoint tissue was the largest during twisting manipulation, whereas the left-hand threaded needle and the right-hand threaded needle had smaller effects. In lifting-inserting and twisting manipulations, both the left-hand threaded needle and right-hand threaded needle provided more stimulation, but the torsion direction in which they produced better stimulation was the opposite.

Conclusion
According to the simulation results, the ringed pattern enhances stimulation best in the lifting-inserting manipulation, whereas the lined pattern enhances stimulation best in the twisting manipulation. Both the right-hand and left-hand thread patterns have certain enhancing effects in these two operations. Taking the geometric properties of the pattern into account, the left-hand thread pattern and the right-hand thread pattern have the geometric characteristics of both the lined pattern and the ringed pattern. To conclude, a pattern perpendicular to the movement direction during the acupuncture manipulation creates more stimulation. These results have significance for future needle design.
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Efficacy of acupuncture on cardiovascular complications in patients with diabetes mellitus in Korea: A nationwide retrospective cohort
Hyejin Jung, Tiana Won, Ga-Yeon Kim, Jowon Jang, Sujung Yeo, Sabina Lim
Journal of Integrative Medicine    2023, 21 (2): 176-183.   DOI: 10.1016/j.joim.2023.01.007
Accepted: 18 October 2022
Online available: 02 February 2023

Abstract61)   HTML    PDF      
Objective
The main aim of this study is to investigate whether acupuncture could be an effective complementary treatment for reducing the risk of macrovascular complications in diabetic patients currently taking antidiabetic medications using a nationwide population-based database.

Methods
We conducted a retrospective cohort study to assess the efficacy of acupuncture on cardiovascular complications in diabetic patients using data from patients between 40 and 79 years of age, newly diagnosed with diabetes between 2003 and 2006, found in the National Health Insurance Service-National Sample Cohort (NHIS-NSC) in Korea. From the data, we identified 21,232 diabetic patients who were taking antidiabetic medication between 2003 and 2006. The selected patients were divided into two groups—those who received acupuncture at least three times and those who received no acupuncture (non-acupuncture) in the year following their diagnosis of diabetes. After 1:1 propensity score matching (PSM), each group had 3350 patients, and the observation ceased at the occurrence of a major adverse cardiovascular event (MACE), which was defined as either myocardial infarction, stroke, or death due to cardiovascular cause.

Results
After PSM, the acupuncture group had a lower incidence of MACE (hazard ratio [HR]: 0.87; 95% confidence interval [CI]: 0.81–0.94; P = 0.0003) and all-cause mortality (HR: 0.77; 95% CI: 0.70–0.84; P < 0.0001) than the non-acupuncture group; the HRs for stroke-related mortality (HR: 0.75; 95% CI: 0.56–1.00; P = 0.0485), ischemic heart disease mortality (HR: 0.53; 95% CI: 0.34–0.84; P = 0.006) and circulatory system disease mortality (HR: 0.67; 95% CI: 0.55–0.82; P < 0.0001) were lower in the acupuncture group than in the non-acupuncture group in the secondary analysis.

Conclusion
Our results indicate that diabetic patients receiving acupuncture treatment might have a lower risk of MACE, all-cause mortality and cardiovascular mortality. This population-based retrospective study suggests beneficial effects of acupuncture in preventing macrovascular complications associated with diabetes. These findings call for further prospective cohort or experimental studies on acupuncture treatment for cardiovascular complications of diabetes.
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Laser acupuncture combined with auricular acupressure improves low-back pain and quality of life in nurses: A randomized controlled trial
Hsueh-Hua Yang, Yu-Chu Chung, Pai-Pei Szeto, Mei-Ling Yeh, Jaung-Geng Lin
Journal of Integrative Medicine    2023, 21 (1): 26-33.   DOI: 10.1016/j.joim.2022.10.004
Accepted: 01 July 2022
Online available: 01 March 2023

Abstract60)   HTML    PDF      

Background

Low-back pain (LBP) in nurses is a major health concern that affects their quality of life and ability to work, with consequences for their economic status.

Objective

This study evaluates the effect of low-level laser acupuncture combined with auricular acupressure (LAA) on pain intensity, pain interference and quality of life in nurses with LBP.

Design, setting, participants and interventions

This randomized controlled trial recruited a convenience sample of hospital-based nurses from one teaching hospital in Taiwan, China. Participants were randomly assigned to the LAA group (n = 38) receiving low-level laser acupuncture and auricular acupressure for 4 weeks, and the control group (n = 38) receiving only sham laser acupuncture treatment without laser energy output.

Main outcome measures

Data were collected for the primary pain outcome using the Short Form of the Brief Pain Inventory, while the secondary outcome, quality of life, was evaluated using the Roland-Morris Disability Questionnaire. Both primary and secondary outcomes were scored before the intervention, and after 2-week and 4-week intervention. The rate of LBP recurrence was evaluated at the 4th week and 8th week after the end of intervention.

Results

After controlling for prior pain, the result of linear mixed model analysis showed trends in significant between-group differences in the level of current pain occurring in week 4 (P < 0.001), worst pain in week 2 (P < 0.001) and week 4 (P < 0.001), least pain in week 2 (P = 0.032) and week 4 (P < 0.001), pain interference in week 2 (P = 0.009) and week 4 (P < 0.001), and in the life dysfunction in week 2 (P < 0.001) and week 4 (P < 0.001). Recurrence rates of LBP at the 4th and 8th weeks after the end of intervention were 0% and 36.89% in the LAA group, and 69.44% and 36.11% in the control group.

Conclusion

This study shows that 4-week LAA intervention reduced pain intensity and pain interference, and improved quality of life for hospital-based nurses with LBP. These effects were maintained continuously for at least 4 weeks after the intervention. The nonpharmacological intervention, LAA, may be another efficacious, feasible, noninvasive, analgesic intervention for LBP.

Trial registration

This study is registered at Clinicaltrials.gov (registration number NCT04423445).

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Muscle energy technique for chronic obstructive pulmonary disease: A feasibility study
Danielle A. Baxter, Meaghan E. Coyle, Catherine J Hill, Christopher Worsnop, Johannah L. Shergis
Journal of Integrative Medicine    2023, 21 (3): 245-253.   DOI: 10.1016/j.joim.2023.03.006
Accepted: 28 October 2022
Online available: 14 April 2023

Abstract57)   HTML    PDF      

Objective

This study aimed to investigate the feasibility of implementing a manual therapy technique (muscle energy technique, MET) protocol in a hospital pulmonary rehabilitation (PR) program for patients with moderate to severe chronic obstructive pulmonary disease (COPD).

Methods

Participants aged 40 years and over, with moderate to severe COPD, were recruited into this 12-week study. The primary outcome measures were feasibility (acceptability of the intervention and attendance/adherence to the trial) and safety (adverse events, AEs). All participants received the MET and PR therapies. Participants and assessors were unblinded. Semi-standardized MET was delivered on 6 occasions (a maximum of once per week) at the hospital directly before a PR session. Participants undertook PR sessions as per the hospital program at a frequency of two days per week for 8 weeks. Participants were contacted 4 weeks after their final MET treatment via a telephone call to assess acceptability of the intervention.

Results

Thirty-three participants were enrolled, with a median age of 74 years (range 45–89 years). The median number of MET sessions that participants attended was 5 (range 0–6) out of a possible 6 sessions (83% attendance). At follow-up, participants overwhelmingly enjoyed the MET treatment with some subjectively reporting improved breathing. There were no major AEs related to the intervention, with the majority of AEs classified as expected events related to COPD exacerbations.

Conclusion

It is feasible to implement a manual therapy protocol using MET as an adjunct to PR in a hospital setting. Recruitment rates were satisfactory and there were no AEs related to the MET component of the intervention.

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Efficacy and safety of acupuncture for polycystic ovary syndrome: An overview of systematic reviews
Han Yang, Zhi-yong Xiao, Zi-han Yin, Zheng Yu, Jia-jia Liu, Yan-qun Xiao, Yao Zhou, Juan Li, Jie Yang, Fan-rong Liang
Journal of Integrative Medicine    2023, 21 (2): 136-148.   DOI: 10.1016/j.joim.2022.12.002
Accepted: 10 November 2022
Online available: 28 December 2022

Abstract56)   HTML    PDF      
Background:
Polycystic ovary syndrome (PCOS) is the primary cause of anovulatory infertility, bringing serious harm to women's physical and mental health. Acupuncture may be an effective treatment for PCOS. However, systematic reviews (SRs) on the efficacy and safety of acupuncture for PCOS have reported inconsistent results, and the quality of these studies has not been adequately assessed.

Objective:
To summarize and evaluate the current evidence on the efficacy and safety of acupuncture for PCOS, as well as to assess the quality and risks of bias of the available SRs.

Search strategy:
Nine electronic databases (Cochrane Library, MEDLINE, Embase, PsycINFO, CINAHL, Chinese National Knowledge Infrastructure, Wanfang Data, Chongqing VIP Chinese Science and Technology Periodical Database, and China Biology Medicine disc) were searched from their establishment to July 27, 2022. Based on the principle of combining subject words with text words, the search strategy was constructed around search terms for “acupuncture,” “polycystic ovary syndrome,” and “systematic review.”

Inclusion criteria:
SRs of randomized controlled trials that explored the efficacy and (or) safety of acupuncture for treating patients with PCOS were included.

Data extraction and analysis:
Two authors independently extracted study data according to a predesigned form. Tools for evaluating the methodological quality, risk of bias, reporting quality, and confidence in study outcomes, including A Measurement Tool to Assess Systematic Reviews 2 (AMSTAR 2), Risk of Bias in Systematic Reviews (ROBIS), Preferred Reporting Items for Systematic Reviews and Meta-analyses for Acupuncture (PRISMA-A), and the Grading of Recommendations Assessment, Development and Evaluation (GRADE), were used to score the included SRs.

Results:
A total of 885 studies were retrieved, and 11 eligible SRs were finally included in this review. The methodological quality of 2 SRs (18.18%) was low, while the other 9 SRs (81.82%) were scored as extremely low. Four SRs (36.36%) were considered to be of low risk of bias. As for reporting quality, the reporting completeness of 9 SRs (81.82%) was more than 70%. Concerning the confidence in study results, 2 study results were considered to have a high quality of evidence (3.13%), 14 (21.88%) a “moderate” quality, 28 (43.75%) a “low” quality, and 20 (31.24%) considered a “very low” quality. Descriptive analyses suggested that combining acupuncture with other medicines can effectively improve the clinical pregnancy rate (CPR) and ovulation rate, and reduce luteinizing hormone/follicle-stimulating hormone ratio, homeostasis model assessment of insulin resistance, and body mass index (BMI). When compared with medicine alone, acupuncture alone also can improve CPR. Further, when compared with no intervention, acupuncture had a better effect in promoting the recovery of menstrual cycle and reducing BMI. Acupuncture was reported to cause no adverse events or some adverse events without serious harm.

Conclusion:
The efficacy and safety of acupuncture for PCOS remains uncertain due to the limitations and inconsistencies of current evidence. More high-quality studies are needed to support the use of acupuncture in PCOS.
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Inhalation of Cananga odorata essential oil relieves anxiety behaviors in autism-like rats via regulation of serotonin and dopamine metabolism
Nan Zhang, Shu-ting Wang, Lei Yao
Journal of Integrative Medicine    2023, 21 (2): 205-214.   DOI: 10.1016/j.joim.2023.01.006
Accepted: 01 January 2023
Online available: 02 February 2023

Abstract56)   HTML    PDF      

Objective

Anxiety is one of the most common symptoms associated with autistic spectrum disorder. The essential oil of Cananga odorata (Lam.) Hook. f. & Thomson, usually known as ylang-ylang oil (YYO), is often used in aromatherapy as a mood-regulating agent, sedative, or hypotensive agent. In the present study, the effects and mechanisms of YYO in alleviating anxiety, social and cognitive behaviors in autism-like rats were investigated.

Methods

The prenatal valproic acid (VPA) model was used to induce autism-like behaviors in offspring rats. The effectiveness of prenatal sodium valproate treatment (600 mg/kg) on offspring was shown by postnatal growth observation, and negative geotaxis, olfactory discrimination and Morris water maze (MWM) tests. Then three treatment groups were formed with varying exposure to atomized YYO to explore the effects of YYO on the anxiety, social and cognitive behaviors of the autistic-like offspring through the elevated plus-maze test, three-chamber social test, and MWM test. Finally, the monoamine neurotransmitters, including serotonin, dopamine and their metabolites, in the hippocampus and prefrontal cortex (PFC) of the rats were measured using a high-performance liquid chromatography.

Results

Offspring of VPA exposure rats showed autism-like behaviors. In the VPA offspring, medium-dose YYO exposure significantly elevated the time and entries into the open arms in the elevated plus-maze test, while low-dose YYO exposure significantly enhanced the social interaction time with the stranger rat in session 1 of the three-chamber social test. VPA offspring treated with YYO exposure used less time to reach the platform in the navigation test of the MWM test. YYO exposure significantly elevated the metabolism of serotonin and dopamine in the PFC of VPA offspring.

Conclusion

YYO exposure showed the effects in alleviating anxiety and improving cognitive and social abilities in the offspring of VPA exposure rats. The role of YYO was related to the regulation of the metabolism of serotonin and dopamine.


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Understanding health literacy from a traditional Chinese medicine perspective
Zhiyi Qian, Grace Y. Wang, Marcus Henning, Yan Chen
Journal of Integrative Medicine    2023, 21 (3): 215-220.   DOI: 10.1016/j.joim.2023.03.001
Accepted: 19 January 2023
Online available: 04 March 2023

Abstract56)   HTML    PDF      
Health literacy is critical to improving individual and public health. However, indigenous perceptions of health are largely absent from Western-derived measurements, contributing to disparities in health outcomes between indigenous and non-indigenous populations. China is the country with the world’s largest population and only officially introduced the term “health literacy” in 2008. Current measures of health literacy in China are primarily based on Western-derived constructs, which have been shown to have poor comparability to the unique dual medical system in China. Given its significant importance to health management globally, understanding health perceptions from a traditional Chinese medicine perspective is essential. This review explores the concept and core elements of indigenous health literacy, evaluates the existing definitions and measurement tools as applied to the concept, and proposes a new model of traditional Chinese medicine health literacy.
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Phytochemical interventions for post-traumatic stress disorder: A cluster co-occurrence network analysis using CiteSpace
Biao Gao, Yi-cui Qu, Meng-yu Cai, Yin-yin Zhang, Hong-tao Lu, Hong-xia Li, Yu-xiao Tang, Hui Shen
Journal of Integrative Medicine    2023, 21 (4): 385-396.   DOI: 10.1016/j.joim.2023.06.006
Accepted: 16 March 2023
Online available: 15 June 2023

Abstract56)   HTML    PDF      
Objective
This study investigated trends in the study of phytochemical treatment of post-traumatic stress disorder (PTSD).

Methods
The Web of Science database (2007–2022) was searched using the search terms “phytochemicals” and “PTSD,” and relevant literature was compiled. Network clustering co-occurrence analysis and qualitative narrative review were conducted.

Results
Three hundred and one articles were included in the analysis of published research, which has surged since 2015 with nearly half of all relevant articles coming from North America. The category is dominated by neuroscience and neurology, with two journals, Addictive Behaviors and Drug and Alcohol Dependence, publishing the greatest number of papers on these topics. Most studies focused on psychedelic intervention for PTSD. Three timelines show an “ebb and flow” phenomenon between “substance use/marijuana abuse” and “psychedelic medicine/medicinal cannabis.” Other phytochemicals account for a small proportion of the research and focus on topics like neurosteroid turnover, serotonin levels, and brain-derived neurotrophic factor expression.

Conclusion
Research on phytochemicals and PTSD is unevenly distributed across countries/regions, disciplines, and journals. Since 2015, the research paradigm shifted to constitute the mainstream of psychedelic research thus far, leading to the exploration of botanical active ingredients and molecular mechanisms. Other studies focus on anti-oxidative stress and anti-inflammation.
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Delivery of acupuncture in clinical trials: Research acupuncturists’perspectives
Joyce K. Anastasi, Bernadette Capili, Jessica Neumaier, Londa Hackett
Journal of Integrative Medicine    2023, 21 (4): 315-319.   DOI: 10.1016/j.joim.2023.03.007
Accepted: 20 October 2022
Online available: 30 March 2023

Abstract56)   HTML    PDF      
Delivery of acupuncture in the setting of a clinical trial is a unique practice that diverges significantly from the delivery of acupuncture in a real-world clinical setting. Research acupuncturists, particularly those trained in traditional Chinese medicine (TCM), are often required to set aside valued precepts of traditional care, including diagnosing imbalances, individualizing treatment, and forging a therapeutic relationship with patients. TCM-trained acupuncturists express mixed feelings about participating in clinical trials. Many are eager to play a vital role in the advancement of acupuncture science and appreciate the need for strict protocol adherence to minimize bias. However, the acupuncturist(s) may also have concerns about clinical trial methodology, including but not limited to the delivery of a control condition, e.g., sham acupuncture. Investigators should anticipate certain questions and even a level of resistance to the requirements of research among acupuncturists and be prepared to address them. This manuscript presents a brief review of the subjective experience of the research acupuncturist within the available scientific literature as it pertains to the delivery of active and sham clinical research protocols. Our goals are to better understand the perspectives of acupuncturists who may participate in clinical research, so that their concerns may be addressed in study design and methodology. To that end, we suggest the creation of a novel training program specifically for clinical trial acupuncturists, intended for qualified TCM- and Western-trained practitioners, that would help to standardize the research acupuncturist’s role and help to strengthen the design and execution of acupuncture studies.
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Nano-ayurvedic medicine and its potential in cancer treatment
Manu Lopus
Journal of Integrative Medicine    2023, 21 (2): 117-119.   DOI: 10.1016/j.joim.2022.12.001
Accepted: 14 November 2022
Online available: 02 January 2023

Abstract53)   HTML    PDF      
Nano-ayurvedic medicine is an emerging field in which nanoparticles are functionalized with active principles of potent ayurvedic herbs to enhance their efficacy and target-specific delivery. Scientific advances in the past couple of decades have revealed the molecular mechanisms behind the anticancer potential of several ayurvedic herbs, attributed chiefly to their polyphenols. With the advancement of nanotechnology, it has been established that size-, shape-, and surface-chemistry-optimized nanoparticles can be utilized as synergizing carriers for these polyphenols. Nano-ayurvedic medicine utilizes ayurvedic herbs to functionalize different nanoparticles and enhance their potency. Studies have shown that the active polyphenols of such herbs can be coated onto the nanoparticles of different metals, such as gold, and that they work more efficiently than the free herbal extract in inhibiting cancer cell proliferation. Recently, an Ayurveda, Yoga & Naturopathy, Unani, Siddha and Homeopathy (AYUSH)-based clinical trial in humans indicated the anticancer potential of such formulations. Nano-ayurvedic medicine is emerging as a potential treatment option for hyperproliferative diseases.

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COVID-19: Reducing the risk via diet and lifestyle
Jessica L. Campbell
Journal of Integrative Medicine    2023, 21 (1): 1-16.   DOI: 10.1016/j.joim.2022.10.001
Accepted: 08 March 2022
Online available: 15 July 2022

Abstract52)   HTML    PDF      
This review shows that relatively simple changes to diet and lifestyle can significantly, and rapidly, reduce the risks associated with coronavirus disease 2019 (COVID-19) in terms of infection risk, severity of disease, and even disease-related mortality. A wide range of interventions including regular exercise, adequate sleep, plant-based diets, maintenance of healthy weight, dietary supplementation, and time in nature have each been shown to have beneficial effects for supporting more positive health outcomes with COVID-19, in addition to promoting better overall health. This paper brings together literature from these areas and presents the argument that non-pharmaceutical approaches should not be overlooked in our response to COVID-19. It is noted that, in several cases, interventions discussed result in risk reductions equivalent to, or even greater than, those associated with currently available vaccines. Where the balance of evidence suggests benefits, and the risk is minimal to none, it is suggested that communicating the power of individual actions to the public becomes morally imperative. Further, many lives could be saved, and many harms from the vaccine mandates avoided, if we were willing to embrace this lifestyle-centred approach in our efforts to deal with COVID-19.
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A review of patent literature on the regulation of glucose metabolism by six phytocompounds in the management of diabetes mellitus and its complications
Anusree DasNandy, Rajashri Virge, Harsha V. Hegde, Debprasad Chattopadhyay
Journal of Integrative Medicine    2023, 21 (3): 226-235.   DOI: 10.1016/j.joim.2023.02.003
Accepted: 28 September 2022
Online available: 28 February 2023

Abstract50)   HTML    PDF      
Diabetes mellitus is a chronic disease, typified by hyperglycemia resulting from failures in complex multifactorial metabolic functions, that requires life-long medication. Prolonged uncontrolled hyperglycemia leads to micro- and macro-vascular complications. Although antidiabetic drugs are prescribed as the first-line treatment, many of them lose efficacy over time or have severe side effects. There is a lack of in-depth study on the patents filed concerning the use of natural compounds to manage diabetes. Thus, this patent analysis provides a comprehensive report on the antidiabetic therapeutic activity of 6 phytocompounds when taken alone or in combinations. Four patent databases were searched, and 17,649 patents filed between 2001 and 2021 were retrieved. Of these, 139 patents for antidiabetic therapeutic aids that included berberine, curcumin, gingerol, gymnemic acid, gymnemagenin and mangiferin were analyzed. The results showed that these compounds alone or in combinations, targeting acetyl-coenzyme A carboxylase 2, serine/threonine protein kinase, α-amylase, α-glucosidase, lipooxygenase, phosphorylase, peroxisome proliferator-activated receptor-γ (PPARγ), protein tyrosine phosphatase 1B, PPARγ co-activator-1α, phosphoinositide 3-kinase and protein phosphatase 1 regulatory subunit 3C, could regulate glucose metabolism which are validated by pharmacological rationale. Synergism, or combination therapy, including different phytocompounds and plant extracts, has been studied extensively and found effective, whereas the efficacy of commercial drugs in combination with phytocompounds has not been studied in detail. Curcumin, gymnemic acid and mangiferin were found to be effective against diabetes-related complications.
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Lipidomic investigation of the protective effects of Polygonum perfoliatum against chemical liver injury in mice
Lei Peng, Hua-guo Chen, Xin Zhou
Journal of Integrative Medicine    2023, 21 (3): 289-301.   DOI: 10.1016/j.joim.2023.03.002
Accepted: 07 November 2022
Online available: 09 March 2023

Abstract49)   HTML    PDF      
Objective: Recent investigations have demonstrated that Polygonum perfoliatum L. can protect against chemical liver injury, but the mechanism behind its efficacy is still unclear. Therefore, we studied the pharmacological mechanism at work in P. perfoliatum protection against chemical liver injury.
Methods: To evaluate the activity of P. perfoliatum against chemical liver injury, levels of alanine transaminase, lactic dehydrogenase, aspartate transaminase, superoxide dismutase, glutathione peroxidase and malondialdehyde were measured, alongside histological assessments of the liver, heart and kidney tissue. A nontargeted lipidomics strategy based on ultra-performance liquid chromatography quadrupole-orbitrap high-resolution mass spectrometry method was used to obtain the lipid profiles of mice with chemical liver injury and following treatment with P. perfoliatum; these profiles were used to understand the possible mechanisms behind P. perfoliatum’s protective activity.
Results: Lipidomic studies indicated that P. perfoliatum protected against chemical liver injury, and the results were consistent between histological and physiological analyses. By comparing the profiles of liver lipids in model and control mice, we found that the levels of 89 lipids were significantly changed. In animals receiving P. perfoliatum treatment, the levels of 8 lipids were significantly improved, relative to the model animals. The results showed that P. perfoliatum extract could effectively reverse the chemical liver injury and significantly improve the abnormal liver lipid metabolism of mice with chemical liver injury, especially glycerophospholipid metabolism.
Conclusion: Regulation of enzyme activity related to the glycerophospholipid metabolism pathway may be involved in the mechanism of P. perfoliatum’s protection against liver injury.
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Similarities and differences between kaiy in Persian medicine and moxibustion in Chinese medicine
Amir Mohammad Jaladat, Mahdi Alizadeh Vaghasloo, Fatemeh Atarzadeh, Mohammad Hossein Ayati, Amir Human Kazemi, Emine Akin, Mohammad Hashem Hashempur
Journal of Integrative Medicine    2023, 21 (4): 354-360.   DOI: 10.1016/j.joim.2023.05.002
Accepted: 26 December 2022
Online available: 10 May 2023

Abstract47)   HTML    PDF      
Kaiy (medieval cautery) is an ancient method of heat therapy in traditional Persian medicine (TPM). Some of its important applications have been neglected during the medical revolution. Meanwhile, different treatment modalities that incorporate heat, including moxibustion, have progressed in traditional Chinese medicine. In this study, we reviewed the main TPM textbooks that were written specifically in the field of kaiy. We consider the traditional teachings in the context of contemporary information gathered from the scientific literature about moxibustion and modern cauterization. Some surgical therapeutic indications of kaiy (e.g., debridement and coagulative procedures) have been advanced by the innovation of electro-cauterization, but those therapeutic applications that were based on the TPM humoral theory for relieving body coldness or myofascial pains—which are similar to moxibustion usages—have not received the same attention. Apart from the broad similarities of kaiy and moxibustion as thermal therapies with similar indications, there is a striking correspondence between kaiy point mapping and acupoints. Therefore, further research on different kaiy aspects is recommended.

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Therapeutic potential of rutin in male infertility: A mini review
Damilare Emmanuel Rotimi, Tobiloba Christiana Elebiyo, Oluwafemi Adeleke Ojo
Journal of Integrative Medicine    2023, 21 (2): 130-135.   DOI: 10.1016/j.joim.2023.01.004
Accepted: 14 November 2022
Online available: 20 January 2023

Abstract46)   HTML    PDF      
Male infertility has become a problem worldwide, and recent research has emphasized the development of more effective therapy options. Among natural compounds, rutin has been widely studied for its potential to treat dysfunction related to male infertility, including a reduction in sperm quality, spermatogenesis disruption and structural disruption in the testis. A thorough review of scientific literature published in several databases, including Google Scholar, PubMed/MEDLINE and Scopus, was used to synthesize the present state of research on the role of rutin in male reproductive health. Rutin has been shown to possess antiapoptotic, antioxidant and anti-inflammatory activities, among others, which are crucial in the management of male infertility. Numerous investigations have shown that rutin protects against male infertility and have explored the underlying mechanisms involved. The present review, therefore, assesses the therapeutic mechanisms involved in male infertility treatment using rutin. Rutin was able to mitigate the induced oxidative stress, apoptosis, inflammation, and related physiological processes that can cause testicular dysfunction.
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Effects of physical rehabilitation interventions in COVID-19 patients following discharge from hospital: A systematic review
Masoud Rahmati, Mahdieh Molanouri Shamsi, Wongi Woo, Ai Koyanagi, Seung Won Lee, Dong Keon Yon, Jae Il Shin, Lee Smith
Journal of Integrative Medicine    2023, 21 (2): 149-158.   DOI: 10.1016/j.joim.2023.01.003
Accepted: 25 September 2022
Online available: 20 January 2023

Abstract45)   HTML    PDF      
Background: Hospitalized patients recovering from coronavirus disease 2019 (COVID-19) may experience disability and suffer from significant physical and mental impairment requiring physical rehabilitation following their discharge. However, to date, no attempt has been made to collate and synthesize literature in this area.

Objective: This systematic review examines the outcomes of different physical rehabilitation interventions tested in COVID-19 patients who were discharged from hospital.

Search strategy: A systematic search of MEDLINE/PubMed, CINAHL, Scopus and medRxiv was conducted to identify articles published up to March 2022.

Inclusion criteria: This systematic review included studies of outpatient rehabilitation programs for people recovering from COVID-19 who received physical activity, exercise, or breathing training to enhance or restore functional capacity, pulmonary function, quality of life, and mental health or function.

Data extraction and analysis: Selection of included articles, data extraction, and methodological quality assessments were conducted by two review authors respectively, and consensus was reached through discussion and consultation with a third reviewer. Finally, we review the outcomes of studies based on four categories including: (1) functional capacity, (2) pulmonary function, (3) quality of life, and (4) mental health status.

Results: A total of 7534 titles and abstracts were screened; 10 cohort studies, 4 randomized controlled trials and 13 other prospective studies involving 1583 patients were included in our review. Early physical rehabilitation interventions applied in COVID-19 patients who were discharged from the hospital improved multiple parameters related to functional capacity, pulmonary function, quality of life and mental health status.

Conclusion: Physical rehabilitation interventions may be safe, feasible and effective in COVID-19 patients discharged from the hospital, and can improve a variety of clinically relevant outcomes. Further studies are warranted to determine the underlying mechanisms.
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In vitro and in vivo anticancer potential and molecular targets of the new colchicine analog IIIM-067
Sumera Malik, Mubashir J. Mintoo, Chilakala Nagarjuna Reddy, Rajesh Kumar, Pankul Kotwal, Sandip B. Bharate, Utpal Nandi, Dilip M. Mondhe, Sanket K. Shukla
Journal of Integrative Medicine    2023, 21 (1): 62-76.   DOI: 10.1016/j.joim.2022.09.006
Accepted: 14 June 2022
Online available: 30 September 2022

Abstract43)   HTML    PDF      
Objective: The current study evaluated various new colchicine analogs for their anticancer activity and to study the primary mechanism of apoptosis and in vivo antitumor activity of the analogs with selective anticancer properties and minimal toxicity to normal cells.
Methods: Sulforhodamine B (SRB) assay was used to screen various colchicine analogs for their in vitro cytotoxicity. The effect of N-[(7S)-1,2,3-trimethoxy-9-oxo-10-(pyrrolidine-1-yl)5,6,7,9-tetrahydrobenzo[a] heptalene-7-yl] acetamide (IIIM-067) on clonogenicity, apoptotic induction, and invasiveness of A549 cells was determined using a clonogenic assay, scratch assay, and staining with 4’,6-diamidino-2-phenylindole (DAPI) and annexin V/ propidium iodide. Mitochondrial membrane potential (MMP) and reactive oxygen species (ROS) levels were observed using fluorescence microscopy. Western blot analysis was used to quantify expression of proteins involved in apoptosis, cell cycle, and phosphatidylinositol 3-kinase (PI3K)/protein kinase B (AKT)/mammalian target of rapamycin (mTOR) signaling. Pharmacokinetic and in vivo efficacy studies against Ehrlich ascites carcinoma (EAC) and Ehrlich solid tumor models were conducted using Swiss albino mice.
Results: IIIM-067 showed potent cytotoxicity and better selectivity than all other colchicine analogs screened in this study. The selective activity of IIIM-067 toward A549 cells was higher among other cancer cell lines, with a selectivity index (SI) value of 2.28. IIIM-067 demonstrated concentration- and time-dependent cytotoxicity against A549 cells with half-maximal inhibitory concentration values of 0.207, 0.150 and 0.106 μmol/L at 24, 48 and 72 h, respectively. It also had reduced toxicity to normal cells (SI > 1) than the parent compound colchicine (SI = 1). IIIM-067 reduced the clonogenic ability of A549 cells in a dose-dependent manner. IIIM-067 enhanced ROS production from 24.6% at 0.05 μmol/L to 82.1% at 0.4 μmol/L and substantially decreased the MMP (100% in control to 5.6% at 0.4 μmol/L). The annexin V-FITC assay demonstrated 78% apoptosis at 0.4 μmol/L. IIIM-067 significantly (P < 0.5) induced the expression of various intrinsic apoptotic pathway proteins, and it differentially regulated the PI3K/AKT/mTOR signaling pathway. Furthermore, IIIM-067 exhibited remarkable in vivo anticancer activity against the murine EAC model, with tumor growth inhibition (TGI) of 67.0% at a dose of 6 mg/kg (i.p.) and a reduced mortality compared to colchicine. IIIM-067 also effectively inhibited the tumor growth in the murine solid tumor model with TGI rates of 48.10%, 55.68% and 44.00% at doses of 5 mg/kg (i.p.), 6 mg/kg (i.p.) and 7 mg/kg (p.o.), respectively.
Conclusion: IIIM-067 exhibited significant anticancer activity with reduced toxicity both in vitro and in vivo and is a promising anticancer candidate. However, further studies are required in clinical settings to fully understand its potential.
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Disparities in chiropractic utilization by race, ethnicity and socioeconomic status: A scoping review of the literature
Jordan A. Gliedt, Antoinette L. Spector, Michael J. Schneider, Joni Williams, Staci Young
Journal of Integrative Medicine    2023, 21 (2): 159-167.   DOI: 10.1016/j.joim.2023.02.002
Online available: 02 February 2023

Abstract43)   HTML    PDF      
Background
Chiropractic is the largest complementary and alternative medicine profession in the United States, with increasing global growth. A preliminary literature review suggests a lack of widespread diversity of chiropractic patient profiles.

Objective
There have been no prior studies to comprehensively integrate the literature on chiropractic utilization rates by race, ethnicity, and socioeconomic status. The purpose of this scoping review is to identify and describe the current state of knowledge of chiropractic utilization by race, ethnicity, education level, employment status, and income and poverty level.

Search strategy
Systematic searches were conducted in PubMed, Ovid MEDLINE, Cumulative Index of Nursing and Allied Health Literature (CINAHL), Cochrane Database of Systematic Reviews, and Index to Chiropractic Literature from inception to May 2021.

Inclusion criteria
Articles that reported race or ethnicity, education level, employment status, income or poverty level variables and chiropractic utilization rates for adults (≥18 years of age) were eligible for this review.

Data extraction and analysis
Data extracted from articles were citation information, patient characteristics, race and ethnicity, education level, employment status, income and poverty level, and chiropractic utilization rate. A descriptive numerical summary of included studies is provided. This study provides a qualitative thematic narrative of chiropractic utilization with attention to race and ethnicity, education level, income and poverty level, and employment status.

Results
A total of 69 articles were eligible for review. Most articles were published since 2003 and reported data from study populations in the United States. Of the race, ethnicity and socioeconomic categories that were most commonly reported, chiropractic utilization was the highest for individuals identifying as European American/White/non-Hispanic White/Caucasian (median 20.00%; interquartile range 2.70%–64.60%), those with employment as a main income source (median utilization 78.50%; interquartile range 77.90%–79.10%), individuals with an individual or household/family annual income between $40,001 and $60,000 (median utilization 29.40%; interquartile range 25.15%–33.65%), and individuals with less than or equal to (12 years) high school diploma/general educational development certificate completion (median utilization 30.70%; interquartile range 15.10%–37.00%).

Conclusion
This comprehensive review of the literature on chiropractic utilization by race, ethnicity and socioeconomic status indicates differences in chiropractic utilization across diverse racial and ethnic and socioeconomic populations. Heterogeneity existed among definitions of key variables, including race, ethnicity, education level, employment status, and income and poverty level in the included studies, reducing clarity in rates of chiropractic utilization for these populations.
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Effects of COVID-19 fear and anxiety on attitudes towards complementary and alternative medicine use in women with gynecological cancer during the COVID-19 pandemic
Fatma Uslu-Sahan, Ilknur Yesilcınar, Gonul Kurt, Elif Hancer, Gulten Guvenc
Journal of Integrative Medicine    2023, 21 (4): 377-384.   DOI: 10.1016/j.joim.2023.06.003
Accepted: 14 March 2023
Online available: 08 June 2023

Abstract43)   HTML    PDF      
Objective
Patients with gynecological cancer commonly use complementary and alternative medicine (CAM) methods to cope with the disease. However, despite the existence of treatment strategies, the effect of fear and anxiety caused by coronavirus disease 2019 (COVID-19) pandemic on attitudes about CAM use is unclear. This study was carried out to investigate the effect of fear and anxiety experienced by patients with gynecological cancer during the COVID-19 pandemic on their attitudes towards the use of CAM.

Methods
This is a cross-sectional and descriptive study that included 177 women with gynecological cancer; participants were recruited from a social networking site for cancer patients in Turkey between June and December 2021. Data were collected using an online survey that included the Personal Information Form, the Fear of COVID-19 Scale, the Coronavirus Anxiety Scale, and the Attitude Towards Holistic Complementary and Alternative Medicine Scale. Descriptive statistics, t-test, Pearson’s correlation test, and simple linear and multiple regression analyses were performed to analyze the data.

Results
During the pandemic, 55.4% of the participants reported using CAM methods, but only 22.6% were using CAM before the pandemic. The participants who used CAM during the pandemic also scored higher on the fear of COVID-19 and coronavirus anxiety scales (20.69 ± 5.37 and 13.09 ± 6.29, respectively) compared to the participants who did not use CAM (9.29 ± 2.72 and 6.35 ± 2.06, respectively). Fear of COVID-19 accounted for 52% of the CAM attitude score, while coronavirus anxiety accounted for 15% of the CAM attitude score. Fear of COVID-19 and coronavirus anxiety together accounted for 53% of CAM attitude.

Conclusion
Gynecological cancer patients with high levels of COVID-19-related anxiety and fear during the pandemic used CAM more. Given that the psychological effects of the pandemic will continue in the coming years, CAM use should be evaluated as a coping strategy, especially due to the COVID-19-related anxiety and fear experienced by patients with gynecological cancer. While the rational and effective CAM methods should be supported, strategies should be developed to prevent misuse of CAM and its interference in prescribed medical treatments.
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Neuroprotective potential of cannabidiol: Molecular mechanisms and clinical implications
Srushti M. Tambe, Suraj Mali, Purnima D. Amin, Mozaniel Oliveira
Journal of Integrative Medicine    2023, 21 (3): 236-244.   DOI: 10.1016/j.joim.2023.03.004
Accepted: 10 March 2023
Online available: 18 March 2023

Abstract42)   HTML    PDF      
Cannabidiol (CBD), a nonpsychotropic phytocannabinoid that was once largely disregarded, is currently the subject of significant medicinal study. CBD is found in Cannabis sativa, and has a myriad of neuropharmacological impacts on the central nervous system, including the capacity to reduce neuroinflammation, protein misfolding and oxidative stress. On the other hand, it is well established that CBD generates its biological effects without exerting a large amount of intrinsic activity upon cannabinoid receptors. Because of this, CBD does not produce undesirable psychotropic effects that are typical of marijuana derivatives. Nonetheless, CBD displays the exceptional potential to become a supplementary medicine in various neurological diseases. Currently, many clinical trials are being conducted to investigate this possibility. This review focuses on the therapeutic effects of CBD in managing neurological disorders like Alzheimer’s disease, Parkinson’s disease and epilepsy. Overall, this review aims to build a stronger understanding of CBD and provide guidance for future fundamental scientific and clinical investigations, opening a new therapeutic window for neuroprotection.
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Anti-inflammatory mechanism of electroacupuncture involves the modulation of multiple systems, levels and targets and is not limited to “driving the vagus-adrenal axis”
Arthur Yin Fan
Journal of Integrative Medicine    2023, 21 (4): 320-323.   DOI: 10.1016/j.joim.2023.06.001
Accepted: 04 May 2023
Online available: 07 June 2023

Abstract40)   HTML    PDF      
In October 2021, an international collaborative study on the use of electroacupuncture (EA) to treat inflammation was published in the journal Nature by Dr. Qiufu Ma’s team. Based on the results of EA on inflammation in the mouse model of lipopolysaccharide inflammatory storm, the study showed that the distal effect of acupuncture can be achieved by “driving the vagus-adrenal axis (through the adrenal medulla, by releasing catecholamines).” PROKR2Cre-marked sensory neurons, which innervate the deep hindlimb fascia but not the abdominal fascia, are crucial for driving this axis. The study suggests the existence of specificity distribution of acupoints, that different EA stimulation intensities or different needle penetration depths have different therapeutic effects, that photosensitive stimulation may be a substitute for needle acupuncture, and that massage, stretching and body movements may also activate PROKR2Cre-markable dorsal root ganglion sensory neurons and elicit anti-inflammatory effects. However, results of some other studies are contrary to the conclusions of Ma’s team. For examples: low-intensity EA at GB30 point significantly reduced the inflammation in the rat model of persistent inflammation, which is more relevant to the real daily acupuncture practice, and this effect was partly related to the adrenal cortex and associated with the stimulation of corticosterone and adrenocorticotropic hormone; manual acupuncture (similar to the low-intensity EA) at KI3, Zhichuan point (an extra point), etc. was effective in a severe COVID-19 patient with sepsis; stimulating ST25 with low-intensity EA or manual acupuncture was effective against gastrointestinal inflammations; the above mentioned points are not in an area enriched with PROKR2Cre-marked sensory nerve endings. Evidence shows that the mechanism of EA against inflammation includes modulating multi-systems, multi-levels and multi-targets, which does not limit to “driving the vagus-adrenal axis.”
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Junctional adhesion molecule-like protein as a novel target for kaempferol to ameliorate lung adenocarcinoma
Qian Wu, Yong-bin Wang, Xiao-wen Che, Hui Wang, Wei Wang
Journal of Integrative Medicine    2023, 21 (3): 268-276.   DOI: 10.1016/j.joim.2023.03.009
Accepted: 27 March 2023
Online available: 06 April 2023

Abstract39)   HTML    PDF      
Objective
Although there have been improvements in targeted therapy and immunotherapy, the majority of lung adenocarcinoma (LUAD) patients still lack effective therapies. Consequently, it is urgent to screen for new diagnosis biomarkers and pharmacological targets. Junctional adhesion molecule-like protein (JAML) was considered to be an oncogenic protein and may be a novel therapeutic target in LUAD. Kaempferol is a natural flavonoid that exhibits antitumor activities in LUAD. However, the effect of kaempferol on JAML is still unknown.

Methods
Small interfering RNA was used to knockdown JAML expression. The cell viability was determined using the cell counting kit-8 assay. The proliferation of LUAD cells was evaluated using the 5-ethynyl-2′-deoxyuridine incorporation assay. The migration and invasion of LUAD cells were evaluated by transwell assays. Molecular mechanisms were explored by Western blotting.

Results
JAML knockdown suppressed proliferation, migration and invasion of LUAD cells, and JAML deficiency restrained epithelial-mesenchymal transition (EMT) via inactivating the phosphoinositide 3-kinase/protein kinase B/mammalian target of rapamycin (PI3K/AKT/mTOR) pathway. Using a PI3K activator (740Y-P), rescue experiments showed that phenotypes to JAML knockdown in LUAD cells were dependent on the PI3K/AKT/mTOR pathway. Kaempferol also inhibited proliferation, migration and invasion of A549 and H1299 cells and partially suppressed EMT through the PI3K/AKT/mTOR pathway. Knockdown of JAML ameliorated the inhibitory effect of kaempferol on LUAD cells. Kaempferol exerted anticancer effects by targeting JAML.

Conclusion
JAML is a novel target for kaempferol against LUAD cells.
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Reduced SARS-CoV-2 infection risk is associated with the use of Seven-Flavor Herb Tea: A multi-center observational study in Shanghai, China
Shun-xian Zhang, Xiao-xu Chen, Yong Zheng, Bing-hua Cai, Wei Shi, Ming Ru, Hui Li, Dan-dan Zhang, Yu Tian, Yue-lai Chen
Journal of Integrative Medicine    2023, 21 (4): 369-376.   DOI: 10.1016/j.joim.2023.06.005
Accepted: 04 May 2023
Online available: 14 June 2023

Abstract37)           
Objective
Omicron, a severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variant, is responsible for numerous infections in China. This study investigates the association between the use of Seven-Flavor Herb Tea (SFHT) and the risk of SARS-CoV-2 infection to develop precise and differentiated strategies for control of the coronavirus disease 2019 (COVID-19).

Methods
This case-control study was conducted at shelter hospitals and quarantine hotels in China. A total of 5348 laboratory-confirmed COVID-19 patients were enrolled between April 1 and May 31, 2022, while 2190 uninfected individuals served as healthy controls. Structured questionnaires were used to collect data on demographics, underlying diseases, vaccination status, and use of SFHT. Patients were propensity-score-matched using 1:1 nearest-neighbor matching of the logit of the propensity score. Subsequently, a conditional logistic regression model was used for data analysis.

Results
Overall, 7538 eligible subjects were recruited, with an average age of [45.54 ± 16.94] years. The age of COVID-19 patients was significantly higher than that of uninfected individuals ([48.25 ± 17.48] years vs [38.92 ± 13.41] years; t = 22.437, P < 0.001). A total of 2190 COVID-19 cases were matched with uninfected individuals at a 1:1 ratio. The use of SFHT (odds ratio = 0.753, 95% confidence interval: 0.692, 0.820) was associated with a lower risk of SARS-CoV-2 infection compared to untreated individuals.

Conclusion
Our findings suggest that taking SFHT reduces the risk of SARS-CoV-2 infection. This is a useful study in the larger picture of COVID-19 management, but data from large-sample multi-center, randomized clinical trial are warranted to confirm the finding.
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Endocannabinoids are potential inhibitors of glioblastoma multiforme proliferation
Ashraf Duzan, Desiree Reinken, Timothy L. McGomery, Nicholas M. Ferencz, Jacob M. Plummer, Mufeed M. Basti
Journal of Integrative Medicine    2023, 21 (2): 120-129.   DOI: 10.1016/j.joim.2023.01.005
Accepted: 14 September 2022
Online available: 02 February 2023

Abstract37)   HTML    PDF      
Globally, it is evident that glioblastoma multiforme (GBM) is an aggressive malignant cancer with a high mortality rate and no effective treatment options. Glioblastoma is classified as the stage-four progression of a glioma tumor, and its diagnosis results in a shortened life expectancy. Treatment options for GBM include chemotherapy, immunotherapy, surgical intervention, and conventional pharmacotherapy; however, at best, they extend the patient’s life by a maximum of 5 years. GBMs are considered incurable due to their high recurrence rate, despite various aggressive therapeutic approaches which can have many serious adverse effects. Ceramides, classified as endocannabinoids, offer a promising novel therapeutic approach for GBM. Endocannabinoids may enhance the apoptosis of GBM cells but have no effect on normal healthy neural cells. Cannabinoids promote atypical protein kinase C, deactivate fatty acid amide hydrolase enzymes, and activate transient receptor potential vanilloid 1 (TRPV1) and TRPV2 to induce pro-apoptotic signaling pathways without increasing endogenous cannabinoids. In previous in vivo studies, endocannabinoids, chemically classified as amide formations of oleic and palmitic acids, have been shown to increase the pro-apoptotic activity of human cancer cells and inhibit cell migration and angiogenesis. This review focuses on the biological synthesis and pharmacology of endogenous cannabinoids for the enhancement of cancer cell apoptosis, which have potential as a novel therapy for GBM.
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Effects of electroacupuncture on rats with cognitive impairment: an iTRAQ-based proteomics analysis
Zhe-yan Sa, Jin-sen Xu, Xiao-hua Pan, Shu-xia Zheng, Qian-ru Huang, Long Wan, Xiao-xiang Zhu, Cai-lian Lan, Xiao-ran Ye
Journal of Integrative Medicine    2023, 21 (1): 89-98.   DOI: 10.1016/j.joim.2022.11.001
Accepted: 06 September 2022
Online available: 01 March 2023

Abstract36)   HTML    PDF      

Objective

The study explores the effects of electroacupuncture (EA) at the governing vessel (GV) on proteomic changes in the hippocampus of rats with cognitive impairment.

Methods

Healthy male rats were randomly divided into 3 groups: sham, model and EA. Cognitive impairment was induced by left middle cerebral artery occlusion in the model and EA groups. Rats in the EA group were treated with EA at Shenting (GV24) and Baihui (GV20) for 7 d. Neurological deficit was scored using the Longa scale, the learning and memory ability was detected using the Morris water maze (MWM) test, and the proteomic profiling in the hippocampus was analyzed using protein-labeling technology based on the isobaric tag for relative and absolute quantitation (iTRAQ). The Western blot (WB) analysis was used to detect the proteins and validate the results of iTRAQ.

Results

Compared with the model group, the neurological deficit score was significantly reduced, and the escape latency in the MWM test was significantly shortened, while the number of platform crossings increased in the EA group. A total of 2872 proteins were identified by iTRAQ. Differentially expressed proteins (DEPs) were identified between different groups: 92 proteins were upregulated and 103 were downregulated in the model group compared with the sham group, while 142 proteins were upregulated and 126 were downregulated in the EA group compared with the model group. Most of the DEPs were involved in oxidative phosphorylation, glycolipid metabolism and synaptic transmission. Furthermore, we also verified 4 DEPs using WB technology. Although the WB results were not exactly the same as the iTRAQ results, the expression trends of the DEPs were consistent. The upregulation of heat-shock protein β1 (Hspb1) was the highest in the EA group compared to the model group.

Conclusion

EA can effect proteomic changes in the hippocampus of rats with cognitive impairment. Hspb1 may be involved in the molecular mechanism by which acupuncture improves cognitive impairment.


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Herbal medicine use in Republic of Korea to alleviate side effects of COVID-19 vaccines: A cross-sectional study
Hae-Chang Yoon
Journal of Integrative Medicine    2023, 21 (4): 361-368.   DOI: 10.1016/j.joim.2023.06.002
Accepted: 02 February 2023
Online available: 08 June 2023

Abstract36)   HTML    PDF      
Objective
Coronavirus disease 2019 (COVID-19) has spread worldwide, and several virus variants have emerged. Vaccines are administered to help prevent the infection. In Republic of Korea, most people take herbal medicine. This study investigated the use of herbal medicine to counter the side effects of COVID-19 vaccines.

Methods
This cross-sectional study was conducted using an online survey. Chi-square tests were used to determine differences in the use of herbal medication according to sociodemographic characteristics. Independent two-sample and paired t-tests were performed to examine the effect and satisfaction of herbal medicine use for countering the side effects of COVID-19 vaccines. One-way analysis of variance was used to determine vaccine-related differences.

Results
A total of 233 and 181 participants received the first and second doses of COVID-19 vaccines, respectively. The majority of herbal medicine users were in their thirties, had a bachelor’s degree, suffered from side effects of vaccination, and received Vaxzevria for their first COVID-19 vaccine dose and Comirnaty for their second dose. The herbal medicine group had a higher satisfaction level of post-vaccination side effects than the non-herbal medicine group (P < 0.0001). The numeric rating scale scores for vaccination side effects were lower among participants who took herbal medication to alleviate those symptoms (P < 0.0001). The most commonly used herbal formula was Shuanghetang.

Conclusion
A third of participants receiving COVID-19 vaccines used herbal medication to counter the side effects of vaccination. The use of herbal medicine was associated with age, education level, vaccine brand, and whether side effects of vaccination occurred. Herbal medication use was associated with greater satisfaction compared to vaccine recipients not using herbal medication.
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Structural characterization, in vivo toxicity and biological activity of two new pyro-type diterpenoid alkaloids derived from 3-acetylaconitine
Yu-jie Wang, Yan Wang, Pei Tao
Journal of Integrative Medicine    2023, 21 (3): 302-314.   DOI: 10.1016/j.joim.2023.04.001
Accepted: 27 June 2022
Online available: 27 April 2023

Abstract34)   HTML    PDF      
Objective
The transformations that occur in diterpenoid alkaloids during the process of sand frying for Chinese herbal medicine preparation have yet to be clarified. This study investigated the structural changes that take place in 3-acetylaconitine during a simulation of heat-processing and evaluated the toxicity and biological activity of the pyrolysis products.

Methods
The diterpenoid alkaloid 3-acetylaconitine was heated at 180 °C for 15 min to simulate the process of sand frying. The pyrolysis products were separated using column chromatography, and their structures were investigated using high-resolution electrospray ionization mass spectroscopy and nuclear magnetic resonance spectroscopy. Further, in vivo cardiotoxicity and acute toxicity of 3-acetylaconitine and its pyrolysis products were compared, and the aconitine-induced arrhythmia model was employed to evaluate the antiarrhythmic effect of the pyrolysis products.

Results
Two new diterpenoid alkaloids, pyroacetylaconitine and 16-epi-pyroacetylaconitine, a pair of epimers at C-16, were isolated. After comparing the structures of these compounds, possible transformation pathways were proposed. Compared with the prototype compound, 3-acetylaconitine, the cardiotoxicity and acute toxicity of the heat-transformed products were significantly decreased. In the biological activity assay, the two pyrolysis products exhibited an effective increase in ventricular premature beat latency, a reduction in the occurrence of ventricular tachycardia, as well as an increase in the rate of arrhythmia inhibition, implying strong antiarrhythmic activity.

Conclusion
Compared with 3-acetylaconitine, its pyrolysis products displayed lower toxicity and good antiarrhythmic effects; thus, they have potential for being developed into antiarrhythmic medicines.
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Cultural stress: The undiagnosed epidemic of our time
Howard Murad
Journal of Integrative Medicine    2023, 21 (3): 221-225.   DOI: 10.1016/j.joim.2023.03.008
Accepted: 06 January 2023
Online available: 30 March 2023

Abstract34)   HTML    PDF      
Global technologies that have made the world more interconnected have also, inadvertently, amplified the forces of stress that are now with us 24 hours a day, seven days a week. The accumulated impact of this stress I call cultural stress anxiety syndrome and call on integrative medicine practitioners to recognize that it is exacerbating whatever acute stressors are also present in our patients’ lives. In this Commentary, I outline seven major components of cultural stress (time pressure, digital intrusion, digital dependency, isolation, sedentary lifestyle, poor sleep, and uncertainty), describe their health consequences, and finally, offer cultural stress-specific remedies I have utilized in my own practice, along with studies that affirm their efficacy. My hope is that we, as integrative medicine practitioners who are cognizant of the role that stress plays in disease development, will more fully appreciate the added impact of cultural stress, and advise our patients on the importance of proactive stress management.
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A mathematic equation derived from host-pathogen interactions elucidates the significance of integrating modern medicine with traditional Chinese medicine to treat infectious diseases
Jianjun Sun
Journal of Integrative Medicine    2023, 21 (4): 324-331.   DOI: 10.1016/j.joim.2023.06.004
Accepted: 12 May 2023
Online available: 08 June 2023

Abstract31)   HTML    PDF      
The prognosis of infectious diseases is determined by host-pathogen interactions. Control of pathogens has been the central dogma of treating infectious diseases in modern medicine, but the pathogen-directed medicine is facing significant challenges, including a lack of effective antimicrobials for newly emerging pathogens, pathogen drug resistance, and drug side effects. Here, a mathematic equation (termed equation of host-pathogen interactions, HPI-Equation) is developed to dissect the key variables of host-pathogen interactions. It shows that control of pathogens does not necessarily lead to host recovery. Instead, a combination of promoting a host's power of self-healing and balancing immune responses provides the best benefit for host. Moreover, the HPI-Equation elucidates the scientific basis of traditional Chinese medicine (TCM), a host-based medicine that treats infectious diseases by promoting self-healing power and balancing immune responses. The importance of self-healing power elucidated in the HPI-Equation is confirmed by recent studies that the tolerance mechanism, which is discovered in plants and animals and conceptually similar to self-healing power, improves host survival without directly attacking pathogens. In summary, the HPI-Equation describes host-pathogen interactions with mathematical logic and precision; it translates the ancient wisdoms of TCM into apprehensible modern sciences and opens a new venue for integrating TCM and modern medicine for a future medicine.

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Genome-wide analysis of AP2/ERF superfamily in Isatis indigotica
Liang Xiao, Jun-ze Ren, Qing Li, Bin Yang, Zhen-jiang Liu, Rui-bing Chen, Lei Zhang
Journal of Integrative Medicine    2023, 21 (1): 77-88.   DOI: 10.1016/j.joim.2022.09.003
Accepted: 09 May 2022
Online available: 01 March 2023

Abstract30)   HTML    PDF      

Objective

AP2/ERF (APETALA2/ethylene-responsive factor) superfamily is one of the largest gene families in plants and has been reported to participate in various biological processes, such as the regulation of biosynthesis of active lignan. However, few studies have investigated the genome-wide role of the AP2/ERF superfamily in Isatis indigotica. This study establishes a complete picture of the AP2/ERF superfamily in I. indigotica and contributes valuable information for further functional characterization of IiAP2/ERF genes and supports further metabolic engineering.

Methods

To identify the IiAP2/ERF superfamily genes, the AP2/ERF sequences from Arabidopsis thaliana and Brassica rapa were used as query sequences in the basic local alignment search tool. Bioinformatic analyses were conducted to investigate the protein structure, motif composition, chromosome location, phylogenetic relationship, and interaction network of the IiAP2/ERF superfamily genes. The accuracy of omics data was verified by quantitative polymerase chain reaction and heatmap analyses.

Results

One hundred and twenty-six putative IiAP2/ERF genes in total were identified from the I. indigotica genome database in this study. By sequence alignment and phylogenetic analysis, the IiAP2/ERF genes were classified into 5 groups including AP2ERFDREB (dehydration-responsive element-binding factor), Soloist and RAV (related to abscisic acid insensitive 3/viviparous 1) subfamilies. Among which, 122 members were unevenly distributed across seven chromosomes. Sequence alignment showed that I. indigotica and A. thaliana had 30 pairs of orthologous genes, and we constructed their interaction network. The comprehensive analysis of gene expression pattern in different tissues suggested that these genes may play a significant role in organ growth and development of I. indigotica. Members that may regulate lignan biosynthesis in roots were also preliminarily identified. Ribonucleic acid sequencing analysis revealed that the expression of 76 IiAP2/ERF genes were up- or down-regulated under salt or drought treatment, among which, 33 IiAP2/ERF genes were regulated by both stresses.

Conclusion

This study undertook a genome-wide characterization of the AP2/ERF superfamily in I. indigotica, providing valuable information for further functional characterization of IiAP2/ERF genes and discovery of genetic targets for metabolic engineering.

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Ferulic acid enhances insulin secretion by potentiating L-type Ca2+ channel activation
Katesirin Ruamyod, Wattana B. Watanapa, Chanrit Kakhai, Pimchanok Nambundit, Sukrit Treewaree, Parin Wongsanupa
Journal of Integrative Medicine    2023, 21 (1): 99-105.   DOI: 10.1016/j.joim.2022.11.003
Accepted: 26 October 2022
Online available: 23 November 2022

Abstract29)   HTML    PDF      
Objective: To investigate the effect of ferulic acid, a natural compound, on pancreatic beta cell viability, Ca2+ channels, and insulin secretion.
Methods: We studied the effects of ferulic acid on rat insulinoma cell line viability using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide viability assay. The whole-cell patch-clamp technique and enzyme-linked immunosorbent assay were also used to examine the action of ferulic acid on Ca2+ channels and insulin secretion, respectively.
Results: Ferulic acid did not affect cell viability during exposures up to 72 hours. The electrophysiological study demonstrated that ferulic acid rapidly and concentration-dependently increased L-type Ca2+ channel current, shifting its activation curve in the hyperpolarizing direction with a decreased slope factor, while the voltage dependence of inactivation was not affected. On the other hand, ferulic acid have no effect on T-type Ca2+ channels. Furthermore, ferulic acid significantly increased insulin secretion, an effect inhibited by nifedipine and Ca2+-free extracellular fluid, confirming that ferulic acid-induced insulin secretion in these cells was mediated by augmenting Ca2+ influx through L-type Ca2+ channel. Our data also suggest that this may be a direct, nongenomic action.
Conclusion: This is the first electrophysiological demonstration that acute ferulic acid treatment could increase L-type Ca2+ channel current in pancreatic β cells by enhancing its voltage dependence of activation, leading to insulin secretion.
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ISSN 2095-4964
CN 31-2083/R

Editors-in-Chief:
Changquan Ling, Shanghai, China
Lixing Lao, Virginia, USA
Frequency: 6 issues per year
Publisher: Science Press, China

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