CIP2A抑制非小细胞肺癌细胞凋亡
首发时间:2016-01-26
摘要:目的:探讨CIP2A是否上调细胞凋亡蛋白Bcl-2和Bcl-xL的表达。方法:选取HBE细胞系以及A549细胞系进行实验,通过流式凋亡检测技术、RT-PCR和western blot方法检测细胞凋亡情况及凋亡相关蛋白的表达情况。结果:在HBE细胞中转染CIP2A,A549细胞中干扰CIP2A,发现过表达CIP2A能够显著抑制肺癌细胞凋亡并上调Bcl-2和Bcl-xL的表达,而敲除CIP2A则促进细胞凋亡并抑制Bcl-2和Bcl-xL的表达。结论:CIP2A通过调节Bcl-2和Bcl-xL表达进而影响细胞凋亡。
关键词: 病理学 非小细胞肺癌 CIP2A Bcl-2 Bcl-xL 凋亡
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CIP2A inhibits cell apoptosis in non-small-cell lung cancer
Abstract: Objective: To investigate whether CIP2A upregulate the expression of cell apoptosis protein Bcl-2 and Bcl-xL. Method: HBE cell lines and A549 cell lines were used for assays and the expression of Bcl-2 and Bcl-xL were detected using RT-PCR and western blot. Results: overexpression of CIP2A in HBE cell lines increases the ability of cell apoptosis and the expression of Bcl-2 and Bcl-xL at both protein and mRNA level, whereas, knockdown of CIP2A in A549 cell lines inhibits cells apoptosis and the expression of Bcl-2 and Bcl-xL. Conclusions CIP2A upregulates the expression of Bcl-2 and Bcl-xL to inhibit cells apoptosis.
Keywords: pathology non small-cell lung cancer;CIP2A;Bcl-2;Bcl-xL;cell apoptosis
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No.4676839113209214****
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