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Journal of Chinese Integrative Medicine: 2010; 8(6): 575-580
DOI: 10.3736/jcim20100611
Effects of Tenglong Buzhong Decoction on proliferation and apoptosis of human colon carcinoma cell line LS174T
1. Bing HU (No.5 Department of Oncology, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China E-mail: beearhu@hotmail.com)
2. Hong-mei AN (Department of Science & Technology, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China )
3. Ke-ping SHEN (No.5 Department of Oncology, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China )
4. Qin DU (No.5 Department of Oncology, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China )
Objective: To observe the effects of Tenglong Buzhong Decoction (TLBZD), a compound traditional Chinese herbal medicine, on proliferation and apoptosis of colon carcinoma cell line LS174T in vitro.
Methods: Human colon carcinoma cell line LS174T and human colon epithelial cell line CRL-1790 were treated with different doses of TLBZD. Cell proliferation was detected with cell counting kit-8 (CCK-8) assay and clone formation assay. Cell cycle and apoptosis were detected by flow cytometry, and caspase-3, -8 and -9 activities in LS174T cells were detected by colorimetric assay.
Results: TLBZD had no obvious cytotoxicity in normal CRL-1790 cells. After 72-hour treatment of 1 mg/mL TLBZD, or 48- and 72-hour of 2 mg/mL TLBZD, or 24-, 48- and 72-hour of 5-20 mg/mL TLBZD, proliferation of LS174T cells was significantly inhibited. Clone formation of LS174T cells was significantly inhibited by 1 to 20 mg/mL TLBZD treatment. TLBZD at doses of 5 to 20 mg/mL also induced apoptosis and cell cycle arrest at G0/G1 phase in LS174T cells. In addition, caspase-3, -8 and -9 activities were significantly elevated after 5 to 20 mg/mL TLBZD treatment.
Conclusion: TLBZD can inhibit cell proliferation, arrest cell cycle at G0/G1 phase, and induce apoptosis in LS174T cells, which may be related to activating of caspase-3, -8 and -9.
 
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Please cite this article as:
Hu B, An HM, Shen KP, Du Q. Effects of Tenglong Buzhong Decoction on proliferation and apoptosis of human colon carcinoma cell line LS174T. J Chin Integr Med / Zhong Xi Yi Jie He Xue Bao. 2010; 8(6): 575-580.
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