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    In clinic, we examined the expression of protein kinase C (PKC)-α and Dicer in the samples of bladder cancer patients, and found that the two proteins have a line correlation. Our study confirmed this correlation existing by clearing the decreasing expression of Dicer after the PKC-α knockdown. Treatment of bladder cancer cell lines (T24, 5637) with the PKC-α or Dicer knockdown and the PKC inhibitors (Calphostin C and Gö 6976) can promote the apoptosis. Inhibition of PKC can increase the activities of caspase-3 and PARP, however, decrease the expression of Dicer. And knockdown of the PKC-α or Dicer can also activate the caspase-3 or the PARP. Considering the reduction of PKC-α can induce the Dicer down-regulation, we make the conclusion that the reduction of PKC-α can promote the apoptosis via the down-regulation of Dicer in bladder cancer. © 2015 The Authors. Journal of Cellular and Molecular Medicine published by John Wiley & Sons Ltd and Foundation for Cellular and Molecular Medicine.

    Citation

    Zhenming Jiang, Chuize Kong, Zhe Zhang, Yuyan Zhu, Yuxi Zhang, Xi Chen. Reduction of protein kinase C α (PKC-α) promote apoptosis via down-regulation of Dicer in bladder cancer. Journal of cellular and molecular medicine. 2015 May;19(5):1085-93

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    PMID: 25752336

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