Article ID Journal Published Year Pages File Type
5553357 Biomedicine & Pharmacotherapy 2016 7 Pages PDF
Abstract

•To elucidate the underlying molecular mechanisms in detail and confirm the efficacy of CGA as a cardioprotective agent.•To confirm the potential therapeutic importance of CGA as a cardiovascular medicine by the way of clinical trials.•To obtain inexpensive and cost effective drug for the treatment of MI.•To get the drug for treating MI without contrary effect.

Intent of the present study has been made to appraise the cardioprotective effect of chlorogenic acid (CGA) on isoproterenol (ISO) induced myocardial infarction (MI) in male albino Wistar rats. ISO-induced myocardial damage was indicated by the elevated levels of marker enzymes such as creatine kinase (CK), creatine kinase-MB (CK-MB), alanine aminotransferase (ALT), aspartate aminotransferase (AST), lactate dehydrogenase (LDH) and troponin T and I (cTnT, cTnI) in the serum. In addition, the levels of lipid peroxidation products such as thiobarbituric acid reactive substances (TBARS), conjugated dienes (CD) and lipid hydroperoxides (LHPs) were significantly increased in the plasma and heart tissue. Activities of enzymic antioxidants such as superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx), glutathione-S-transferase (GST) and the non enzymic antioxidants like vitamin C, vitamin E and reduced glutathione (GSH) were decreased in the erythrocytes, plasma and heart tissue of the ISO-induced rats and myocardium infarct size as observed by staining with triphenyltetrazolium chloride (TTC). Histopathological observation corroborated with the bioochemical parameters. Oral administration of CGA at different doses (10, 20, 40 mg/kg BW) for 19 days prevented the above changes. The 40 mg/kg BW of CGA was more pronounced than other two doses and brought back all the above parameters to near normalcy.

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