alexa Curcumin attenuation of acute adriamycin myocardial toxicity in rats.


Biochemistry & Physiology: Open Access

Author(s): Venkatesan N

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Abstract The protective effect of curcumin on acute adriamycin (ADR) myocardial toxicity was analysed in rats. ADR toxicity, induced by a single intraperitoneal injection (30 mg kg(-1)), was revealed by elevated serum creatine kinase (CK) and lactate dehydrogenase (LDH). The level of the lipid peroxidation products, conjugated dienes and malondialdehyde, was markedly elevated by ADR. ADR caused a decrease in myocardial glutathione content and glutathione peroxidase activity. In contrast, cardiac catalase activity was increased in ADR rats. Curcumin treatment (200 mg kg(-1), seven days before and two days following ADR) significantly ameliorated the early manifestation of cardiotoxicity (ST segment elevation and an increase in heart rate) and prevented the rise in serum CK and LDH exerted by ADR. ADR rats that received curcumin displayed a significant inhibition of lipid peroxidation and augmentation of endogenous antioxidants. These results suggest that curcumin inhibits ADR cardiotoxicity and might serve as novel combination chemotherapeutic agent with ADR to limit free radical-mediated organ injury.
This article was published in Br J Pharmacol and referenced in Biochemistry & Physiology: Open Access

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