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Summary of mechanisms responsible for inhibition of DOX-induced cardiomyocyte apoptosis by Ber.

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posted on 19.02.2013 by Xiuxiu Lv, Xiaohui Yu, Yiyang Wang, Faqiang Wang, Hongmei Li, Yanping Wang, Daxiang Lu, Renbin Qi, Huadong Wang

DOX directly causes mitochondrial injury, leads to a loss of mitochondrial membrane potential and a rise in AMP/ATP ratio, which induces AMPK and p53 phosphorylation, and then facilitates cardiomyocyte apoptosis. Ber inhibits DOX-induced apoptosis not only by upregulating Bcl-2 expression, but also by protecting mitochondria, reducing the AMP/ATP ratio and in turn suppressing AMPK phosphorylation.

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