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首页> 外文期刊>Cell biology international. >Involvement of the PLCepsilon/PKCalpha pathway in human BIU-87 bladder cancer cell proliferation.
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Involvement of the PLCepsilon/PKCalpha pathway in human BIU-87 bladder cancer cell proliferation.

机译:PLCepsilon / PKCalpha途径参与人BIU-87膀胱癌细胞的增殖。

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PLCepsilon (phospholipase Cepsilon), one of effectors belonging to the small GTPase superfamily, has been suggested to play a crucial role in carcinogenesis. However, its bio-function in bladder cancer has never been demonstrated. In our previous study, we found that PLCepsilon mRNA was highly expressed in bladder cancer tissues. In the present study, we silenced the PLCepsilon gene by shRNA (small-hairpin RNA) in the bladder cancer cell line BIU-87. The results showed that it significantly inhibited cell proliferation and arrested the cell cycle at G0/G1-phase. The regulation of cell characteristics has been related to PKCalpha (protein kinase Calpha) activity. Further study showed that knockdown of the PLCepsilon gene down-regulated oncogenes c-fos and c-jun. These results indicate that PLCepsilon plays a crucial role in bladder cancer, and PLCepsilon may be a key molecule regulating the signal pathway of bladder cancer proliferation.
机译:PLCepsilon(磷脂酶Cepsilon),属于小GTPase超家族的效应子之一,被认为在致癌作用中起着至关重要的作用。但是,其在膀胱癌中的生物功能从未得到证实。在我们先前的研究中,我们发现PLCepsilon mRNA在膀胱癌组织中高度表达。在本研究中,我们通过shRNA(小发夹RNA)沉默了膀胱癌细胞系BIU-87中的PLCepsilon基因。结果表明,它显着抑制细胞增殖并在G0 / G1期停止细胞周期。细胞特性的调节与PKCalpha(蛋白激酶Calpha)活性有关。进一步的研究表明,PLCepsilon基因的敲低下调了癌基因c-fos和c-jun。这些结果表明PLCepsilon在膀胱癌中起着至关重要的作用,而PLCepsilon可能是调节膀胱癌增殖信号通路的关键分子。

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