Investigation on protective effect of Terminalia bellirica (Roxb.) against drugs induced cardiotoxicity in wistar albino rats
2020
Chaudhary, Rahul | Singh, Richa | Verma, Rajeev | Kumar, Prashant | Kumar, Nitin | Singh, Lubhan | Kumar S, Sadish
Various traditional texts like Ayurveda and Materia Medica profoundly mentioned the ethnopharmacological use of Terminalia bellirica fruit for its protective effect on heart and various other vital organs. Hence the present research was focussed to scientifically prove the effect of T. bellirica in support of its traditionally claimed use as cardioprotective agent.The aim and objective of the present study was to investigate the protective effect of T. bellirica (Roxb.) against drugs viz. Doxorubicin (DOX) and Isoproterenol (ISO) induced cardiotoxicity in wistar albino rats.Cardiotoxicity was induced using DOX (15 mg/kg, i.p.) and ISO (85 mg/kg s.c.) models. Methanolic extract of T. bellirica (METB) was subjected to rats in two different doses (low dose of 250 mg/kg p.o.; and high dose of 500 mg/kg p.o.) for the purpose of investigation of various biochemical markers present in cardiac tissue as well as in blood serum, in order to assess the improvement in drugs induced cardiotoxicity. Also, the histopathological study was carried out in terms of ultrastructural changes occurred in the myocardium during drugs induced cardiomyopathy, to ensure the proposed cardioprotective effect of METB.Biochemical investigation of cardiac tissue using METB showed significant decrease in CK-MB (creatine kinase-muscle/brain) activity and MDA (malondialdehyde) levels and increase in GSH (reduced glutathione) levels. It also increased the activity of SOD (superoxide dismutase) and CAT (catalase). In serum, METB increased the levels of oxidative stress markers like ALP (alkaline phosphatase), UA (uric acid), ALT (alanine transferase), and AST (aspartate transaminase) near to their normal values as in control group. The use of METB also decreased the levels of total cholesterol and TGs (triglycerides) in serum and significantly increased HDL (high density lipoprotein) levels. Treatment with METB also proved a considerable restoration in histopathological findings of myocardium.In the present study it was concluded that T. bellirica fruit has profound potential for the treatment of drugs induced cardiotoxicity suggesting the consumption of T. bellirica for cardiac benefits during routine treatment of cardiotoxicity.
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