OBJECTIVE: The purpose of this study was to investigate whether resveratrol adds to the growth inhibitory effects of cisplatin and doxorubicin on ovarian and uterine cancer cells and to evaluate whether resveratrol diminishes the cardiac toxicity of doxorubicin in rodent heart. STUDY DESIGN: Human ovarian (OVCAR-3) and uterine (Ishikawa) cancer cells in culture were treated with cisplatin and doxorubicin, respectively, with and without resveratrol; and cell growth and viability were evaluated. Neonatal rat ventricular myocytes received doxorubicin in the presence and absence of resveratrol, and cell viability was evaluated. Mice received doxorubicin +/- resveratrol, and electrocardiograms were evaluated. Data were analyzed with analysis of variance and Scheffe's test. RESULTS: Resveratrol combined with cisplatin or with doxorubicin demonstrated an additive growth-inhibitory anticancer effect with a left shift of the cisplatin and doxorubicin dose/response curves. Resveratrol increased the viability of neonatal rat ventricular myocytes that were treated with doxorubicin and reduced doxorubicin-induced bradycardia and QTc interval prolongation in mice. CONCLUSION: Resveratrol adds to the growth inhibitory/anticancer activity of cisplatin and doxorubicin in vitro and protects against doxorubicin-induced cardiac toxicity both in vitro and in mice.
OBJECTIVE: The purpose of this study was to investigate whether resveratrol adds to the growth inhibitory effects of cisplatin and doxorubicin on ovarian and uterine cancer cells and to evaluate whether resveratrol diminishes the cardiac toxicity of doxorubicin in rodent heart. STUDY DESIGN:Humanovarian (OVCAR-3) and uterine (Ishikawa) cancer cells in culture were treated with cisplatin and doxorubicin, respectively, with and without resveratrol; and cell growth and viability were evaluated. Neonatal rat ventricular myocytes received doxorubicin in the presence and absence of resveratrol, and cell viability was evaluated. Mice received doxorubicin +/- resveratrol, and electrocardiograms were evaluated. Data were analyzed with analysis of variance and Scheffe's test. RESULTS:Resveratrol combined with cisplatin or with doxorubicin demonstrated an additive growth-inhibitory anticancer effect with a left shift of the cisplatin and doxorubicin dose/response curves. Resveratrol increased the viability of neonatal rat ventricular myocytes that were treated with doxorubicin and reduced doxorubicin-induced bradycardia and QTc interval prolongation in mice. CONCLUSION:Resveratrol adds to the growth inhibitory/anticancer activity of cisplatin and doxorubicin in vitro and protects against doxorubicin-induced cardiac toxicity both in vitro and in mice.
Authors: Thomas K Sin; Bjorn T Tam; Benjamin Y Yung; Shea P Yip; Lawrence W Chan; Cesar S Wong; Michael Ying; John A Rudd; Parco M Siu Journal: J Physiol Date: 2015-02-09 Impact factor: 5.182
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