BMC Complement Altern Med

Deng S, Hu B, An HM, Du Q, Xu L, Shen KP, Shi XF, Wei MM, Wu Y. BMC Complement Altern Med. 2013 Jun 8;13:128. doi: 10.1186/1472-6882-13-128.

CT26 colon carcinoma was established in BALB/c mice and treated with Teng Long Bu Zhong Tang (TLBZT), 5-Fu, or TLBZT plus 5-Fu. The tumor volumes were observed. Apoptosis was detected by TUNEL assay. Caspase activity was detected by colorimetric assay. Cell senescence was identified by senescence β-galactosidase staining. Gene expression and angiogenesis was observed by immunohistochemistry or western blot. TLBZT significantly inhibited CT26 colon carcinoma growth. TLBZT elicited apoptosis in CT26 colon carcinoma, accompanied by Caspase-3, 8, and 9 activation and PARP cleavage, and down-regulation of XIAP and Survivin. TLBZT also induced cell senescence in CT26 colon carcinoma, with concomitant upregulation of p16 and p21 and down-regulation of RB phosphorylation. In addition, angiogenesis and VEGF expression in CT26 colon carcinoma was significantly inhibited by TLBZT treatment. TLBZT exhibited significant anticancer effect, and enhanced the effects of 5-Fu in CT26 colon carcinoma, which may correlate with induction of apoptosis and cell senescence, and angiogenesis inhibition.

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