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Polychlorinated biphenyls (PCBs) are persistent environmental pollutants implicated in the development of pro-inflammatory events critical in the pathology of atherosclerosis and cardiovascular disease. PCB exposure of endothelial cells results in increased cellular oxidative stress, activation of stress and inflammatory pathways leading to increased expression of cytokines and adhesion molecules...
Reactive oxygen and nitrogen species are overproduced in the cardiovascular system in response to the exposure to doxorubicin, a cardiotoxic anticancer compound. Oxidant-induced cell injury involves the activation of the nuclear enzyme poly(ADP-ribose) polymerase (PARP) and pharmacological inhibition of PARP has recently been shown to improve myocardial contractility in doxorubicin-induced heart failure...
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