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Journal of Chinese Integrative Medicine: 2009; 7(1): 41-47
DOI: 10.3736/jcim20090106
Regulatory mechanism of malignant behavior of endometriosis mediated by puerarin
1. Chao-qin YU (Department of Traditional Chinese Medicine, Changhai Hospital, Second Military Medical University, Shanghai 200433, China E-mail: chqyu81@gmail.com)
2. Jin YU (Department of Integrated Traditional Chinese and Western Medicine, Hospital of Gynecology and Obstetrics, Fudan University, Shanghai 200011, China )
3. Jie HAN (Department of Traditional Chinese Medicine, Changhai Hospital, Second Military Medical University, Shanghai 200433, China )
4. Qiao-ling ZHOU (Department of Traditional Chinese Medicine, Changhai Hospital, Second Military Medical University, Shanghai 200433, China )
5. Wei SHEN (Department of Traditional Chinese Medicine, Changzheng Hospital, Second Military Medical University, Shanghai 200003, China )

Objective: To observe the inhibitory effects of puerarin on angiopoiesis of endometriotic tissue, and to explore the regulatory effects of puerarin on tumor-related gene expression of endometriosis.

Methods:The regulatory effects of puerarin on endometriotic angiopoiesis and tumor-related gene expression were observed by using a chicken chorioallantoic membrane model and gene array method.

Results: Chicken chorioallantoic membrane experiment indicated that puerarin obviously inhibited endometriotic vasiculation and angiopoiesis. The area of blood vessels was significantly reduced as compared with the untreated group (P<0.05). The expressions of oncogenes and genes related to adhesion, invasion, and apoptosis, including ERBB2, ETS2, FOS, S100A4, TEK, TERT, NFKBIA, CDH1, CD44, ITGA6, NCAM1, MMP1, FLT1, AKT1, BCL2L and BIRC5 genes, were obviously higher, while the expressions of the anti-oncogenes, anti-apoptosis genes and anti-invasion genes, including KAI1, KISS1, SERPINB5, TNFRSF25, TNFRSF1A, TNFRSF6 and SERPINB2, were significantly lower in eutopic endometrial tissue from patients with endometriosis than those from endometriosis-free women. The expressions of oncogenes (ERBB2, ETS2, FOS), apoptosis gene (BCL2L1), cyclin-dependent kinases (CDK4, CDC25A), and growth factor and receptors (HGF, FGFR2, TGFBR) were significantly enhanced, while the expressions of the anti-oncogenes (KAI1, SERPINB5), apoptosis genes (BAD and TNF) and cyclin-dependent kinase inhibiting factor (CDKN2A) were obviously reduced in ectopic tissue as compared with those in eutopic tissue from patients with endometriosis. Puerarin significantly enhanced the gene expressions in endometriotic stromal cells, including BAD, BAX, CASP8, CASP9, TNFRSF6, CDKN1B, CDKN2A, IFNA1 and IFNB1, and reduced the gene expressions of FOS, CHEK2, SRC, ITGB5, MMP9, PDGFA and NFKBIA.

Conclusions: The tumor-related gene expression has significant differences in eutopic endometrial tissue between patients with endometriosis and endometriosis-free women, and between ectopic and eutopic tissues from patients with endometriosis. Puerarin can reduce angiopoiesis, regulate tumor-related gene expression and facilitate apoptosis in endometriotic tissue.

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Please cite this article as:
Yu CQ, Yu J, Han J, Zhou QL, Shen W. Regulatory mechanism of malignant behavior of endometriosis mediated by puerarin. J Chin Integr Med / Zhong Xi Yi Jie He Xue Bao. 2009; 7(1): 41-47.
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