Efficacy of grape seed and skin extract against doxorubicin-induced oxidative stress in rat liver
Journal Title: Pakistan Journal of Pharmaceutical Sciences - Year 2015, Vol 28, Issue 6
Abstract
Doxorubicin (Dox) is an anthracycline used in chemotherapy, although it causes toxicity and oxidative stress. Grape seed and skin extract (GSSE) is a mixture of polyphenolic compounds with antioxidant properties. To evaluate the hepato-toxicity of Dox on healthy rats as well as the protective effect of GSSE, rats were treated with GSSE (500mg/kg bw) during 8 days. At the 4th day of treatment, they received a single dose of Dox (20 mg/kg bw). After the treatment (9th day), livers were collected and processed for oxidative stress status. Dox increased MDA (+ 900%), decreased catalase (-60%) and increased peroxidase (+90%) and superoxide dismutase (+100%) activities. In this latter case Dox mainly increased the iron isoform. Furthermore Dox altered intracellular mediators as catalytic free iron (-75%), H2O2 (-75%) and calcium (+30%). Dox also affected liver function by elevating plasma triacylglycerol and transaminases and liver morphology by altering its typical architecture. Importantly all Dox-induced liver disturbances were alleviated upon GSSE treatment. Dox induced liver toxicity and an oxidative stress mainly characterized by increased lipoperoxidation but not protein carbonylation. GSSE efficiently protected the liver from Dox-induced toxicity and appeared as a safe adjuvant that could be incorporated into chemotherapy protocols.
Authors and Affiliations
Meherzia Mokni , Sonia Hamlaoui , Safouen Kadri , Ferid Limam , Mohamed Amri , Lamjed Marzouki , Ezzedine Aouani
Keywords
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