青藤碱对肾癌细胞786-O细胞增殖、细胞周期及凋亡的影响

doi:10.3969/j.issn.1000-8535.2022.05.007

摘要/Abstract

摘要： 目的探讨不同浓度的青藤碱对肾癌细胞增殖、细胞周期及凋亡的影响。方法以不同浓度的青藤碱处理肾癌细胞786-O,采用四氮唑蓝盐法检测细胞增殖能力,流式细胞术检测细胞周期分布,Annexin-v FITC/PI双染流式细胞分析仪检测细胞凋亡率;采用实时荧光定量PCR及蛋白免疫印迹(WB)检测c-myc、Bax、Caspase-3等细胞周期、凋亡相关基因表达情况。结果青藤碱显著抑制786-O细胞的增殖能力,诱导细胞周期G1/S期阻滞及细胞凋亡;且随着青藤碱浓度的增加,其抑制率也逐渐增加;青藤碱显著下调c-myc蛋白表达,而诱导凋亡蛋白Bax、Caspase-3表达上调。结论青藤碱可以显著抑制786-O细胞中c-myc表达,使其增殖能力减弱,诱导细胞周期阻滞及凋亡。青藤碱可能具有潜在的抑制肾癌生长作用。

关键词: 肾癌, 青藤碱, 增殖, 细胞周期, 凋亡

Abstract: Objective To investigate the effects of different concentrations of sinomenine on proliferation, cell cycle and apoptosis of renal carcinoma cells. Methods The renal carcinoma cells were treated with different concentrations of sinomenine. MTS was used to analyze the effects of sinomenine on proliferation in 786-O renal carcinoma cells, the cell cycle changes were determined using flow cytometry, while the changes of apoptosis were detected by Annexin V-FITC / PI double staining. The expression of apoptosis-related proteins such as c-myc, Bax and Caspase-3 were detected by Western blot. Results Sinomenine significantly inhibited the proliferation of 786-O cells and induced cell cycle arrest and apoptosis in G1/S phase. With the increase of sinomenine concentration, the inhibition rate increased gradually. Sinomenine significantly down-regulated the expression of c-myc protein, while the expressions of the apoptotic protein Bax, Caspase-3 were up-regulated. Conclusions Sinomenine can significantly inhibit the expression of c-myc in 786-O cells, reduce proliferation ability, and induce cell cycle arrest and apoptosis. Sinomenine may have a potential therapeutic effect on renal cancer.

Key words: renal cancer, sinomenine, proliferation, cell cycle, apoptosis

谢程国, 马胜利, 张镜伟. 青藤碱对肾癌细胞786-O细胞增殖、细胞周期及凋亡的影响[J]. 广州医药, 2022, 53(5): 38-42.

XIE Chengguo, MA Shengli, ZHANG Jingwei. Effects of sinomenine on cell cycle and apoptosis of 786-O renal carcinoma cells[J]. Guangzhou Medical Journal, 2022, 53(5): 38-42.

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