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Inhibitory effects of tanshinone IIA from Salvia miltiorrhiza Bge on human bladder cancer BIU-87 cells and xenograft in nude mice

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posted on 2019-11-13, 02:50 authored by Tao HUANG, Xiaokun YANG, Jianlei JI, Qinghai WANG, Hongyang WANG, Zhen DONG

Abstract The objective of this study was to investigate the inhibitory effects of tanshinone IIA on human bladder cancer BIU-87 cells and the xenograft in nude mice. BIU-87 cells were treated with tanshinone IIA with concentration of 0.5, 1, 2 and 4 g/L. The cell proliferation, cycle and apoptosis were detected. The nude mice with BIU-87 cell xenograft were treated with normal saline (control), 5-fluorouracil (5-FU), 200, 400 and 600 mg/kg tanshinone IIA, respectively. The animal body weight and growth of tumor were measured. The expressions of B-cell lymphoma-2 (Bcl-2), Caspase-3 and proliferating cell nuclear antigen (PCNA) protein in xenograft were detected. The apoptosis index of cells was determined. Results showed that, tanshinone IIA inhibited the proliferation of BIU-87 cells, promoted their apoptosis, and arrested more cells in G0/G1 phase. Tanshinone IIA significantly inhibited the growth of xenograft in nude mice and promoted the apoptosis of tumor cells in xenograft. Tanshinone IIA down-regulated Bcl-2 and PCNA expression and up-regulated Caspase-3 expression in xenograft. In conclusion, tanshinone IIA has inhibitory effects on human bladder cancer BIU-87 cells, and can inhibit the BIU-87 cells xenograft in nude mice.

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