The cyclin-dependent kinase inhibitor p21(cip1/waf1) enhances the cytotoxicity of ganciclovir in HSV-tk transfected ovarian carcinoma cells

Cancer Letters
C ZillerL Poulain

Abstract

Suicide gene therapy could be an attractive addition to the treatment of ovarian carcinomas, for which acquired chemoresistance frequently results in treatment failure. Here we show that transfection of the HSV-tk gene, followed by incubation with up to 1 mM ganciclovir fails to induce cell death in SKOV3 chemoresistant human ovarian carcinoma cells. However, co-transfection of HSV-tk with Cip1/Waf1 encoding the p21(cip1/waf1) inhibitor of cdks, allows 100 microM ganciclovir to eradicate the population of tumor cells. Potentiation of a drug by co-transfer of HSV-tk with Cip1/Waf1could thus represent another therapeutic approach for tumours that are resistant to conventional therapy.

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Citations

Jul 30, 2014·Molecular and Cellular Endocrinology·Zhe Bao WuWei Guo Zhao
Nov 20, 2013·Artificial Cells, Nanomedicine, and Biotechnology·Bina Gidwani, Amber Vyas
Mar 1, 2007·Expert Review of Endocrinology & Metabolism·Angiolo GadducciAndrea Riccardo Genazzani

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