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

被引：8
|
作者：
Shen, Danyang [1 ]
Wang, Huan [1 ]
Zheng, Qiming [1 ]
Cheng, Sheng [1 ]
Xu, Liwei [1 ]
Wang, Mingchao [1 ]
Li, Gong H. [1 ]
Xia, Li Q. [1 ]
机构：
[1] Zhejiang Univ, Sir Run Run Shaw Hosp, Dept Urol, Sch Med, Hangzhou 310016, Zhejiang, Peoples R China
来源：
ONCOTARGETS AND THERAPY | 2019年 / 12卷
基金：
中国国家自然科学基金;
关键词：
docetaxel; bexarotene; prostate cancer; combination therapy; cell cycle arrest; OVERCOMES MULTIDRUG-RESISTANCE; CHEMOTHERAPY-NAIVE PATIENTS; CELL LUNG-CANCER; TARGRETIN PREVENTS; PACLITAXEL; CHECKPOINT; CYCLIN; TRIAL; ANTAGONISM;
D O I：
10.2147/OTT.S209307
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
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.
引用
收藏
页码：7877 / 7886
页数：10
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