Protein kinase C-delta mediates cisplatin-induced apoptosis of ZL55 mesothelioma cells

Abstract

We used ZL55 mesothelioma cell line in order to study the cytotoxicity of cisplatin and the cellular pathways eventually ending to the apoptotic process. To this end, ZL55 cells were treated with increasing doses (1-200 μM) and for different incubation times (1-72 hours) with cisplatin and then the number of viable cells was evaluated by the MTT test. The cleavage patterns of caspase-3, -7 and -9, and Poly-ADP ribose polymerase (PARP) by cisplatin were assessed by Western methods. The results showed here suggest that activation of PKC-δ is an essential part of the apoptotic program provoked by cisplatin in mesothelioma cells and that PKC-δ transduces a pro-apoptotic signal in these cells.


Tutti gli autori

  • Vetrugno C. , Muscella A. , Cossa L. , Fanizzi F.P. , Marsigliante S.

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Anno di pubblicazione

2013

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