Synergistic effect of a retinoid X receptor-selective ligand bexarotene and docetaxel in prostate cancer

Synergistic effect of a retinoid X receptor-selective ligand bexarotene and docetaxel in prostate cancer
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视黄醇X受体选择性配体贝沙罗汀和多西紫杉醇在前列腺癌中的协同作用

DOI:
10.2147/ott.s209307
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发表时间:
2019-09
影响因子:
4
通讯作者:
Xia Li Q
Xia Li Q
中科院分区:
医学3区
文献类型:
--
作者:
Shen Danyang;Wang Huan;Zheng Qiming;Cheng Sheng;Xu Liwei;Wang Mingchao;Li Gong H;Xia Li Q

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目的探讨贝沙罗汀(BEX)是否协同多西他赛(DTX)对去势抵抗性前列腺癌细胞株的细胞毒作用。材料与方法采用MTT法检测DTX和BEX对去势抵抗性前列腺癌(CRPC)细胞增殖的抑制作用,计算联合指数(CI),分析DTX和BEX之间的相互作用。流式细胞术和蛋白质印迹分析确定了BEX和DTX协同作用的潜在机制。结果当细胞发生有丝分裂滑移时,BEX可通过下调cyclinB1和CDK1的表达,使细胞阻滞于G2期,从而协同增强DTX的抗增殖作用。结论BEX和DTX的协同作用可能与BEX诱导的G2期阻滞和DTX诱导的有丝分裂阻滞有关。
Purpose To explore if bexarotene (BEX) synergistically enhances docetaxel (DTX) cytotoxicity in castration-resistant prostate cancer cell lines. Materials and methods MTT assay was used to measure the cytotoxic effect of DTX and BEX on castration-resistant prostate cancer (CRPC) cell proliferation and the combination index (CI) values calculated to analyze the interaction between DTX and BEX. Flow cytometry and Western blot analysis identified the underlying mechanism for the synergistic effect of BEX and DTX. Results When mitotic slippage happens, BEX can synergistically strengthen the anti-proliferation of DTX in a way of significantly down-regulating cyclinB1 and CDK1 expression, and then arresting cells in G2 phase. Conclusion Results from this study showed that BEX-induced G2 arrest and DTX-induced mitotic arrest probably contributed to the synergistic effect of BEX and DTX.
DOI: 10.1001/archderm.141.3.315
发表时间: 2005-03-01
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