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Cardioprotective effect of methanolic extract of Ixora coccinea Linn. leaves on doxorubicin-induced cardiac toxicity in rats

Indian Journal of Pharmacology
Medknow Publications
Publication Date
DOI: 10.4103/0253-7613.93844
  • Research Article
  • Biology
  • Chemistry
  • Medicine


Objectives: To investigate the effect of methanolic extract of Ixora coccinea Linn. (MEIC) leaves against doxorubicin-induced cardiac toxicity in rats. Material and Methods: Albino Wistar rats were pretreated with the methanolic extract of Ixora coccinea Linn. leaves (200 and 400 mg/kg, orally) for 1 week followed with the simultaneous treatment with doxorubicin (cumulative dose of 15 mg/kg in six divided doses for 2 weeks) along with the extracts for the next 14 days. On the 22nd day hemodynamic parameters such as blood pressure and ECG were recorded. Biochemical study including biomarkers like creatine kinase – MB (CK – MB), lactate dehydrogenase (LDH), SGOT and SGPT, tissue antioxidant markers viz. catalase (CAT), superoxide dismutase (SOD) and extent of lipid peroxidation viz. malondialdehyde (MDA) was estimated. Histopathology of heart was also done to assess the cardioprotective effect. Results: Pretreatment with MEIC significantly reduced (P<0.01) the ST segment elevation and also maintained the BP (P<0.01) close to normal. The MEIC significantly reduced the elevated level of biomarkers like CK - MB, LDH, SGOT, SGPT (P<0.01) near to normal, the MEIC also increased the tissue antioxidant markers viz. CAT, SOD and decreased the level of MDA (P<0.01) in cardiac tissue by dose-dependant manner. The histopathology of heart also further confirmed the cardioprotection provided by the methanolic extract of Ixora coccinea Linn. leaves. Conclusion: The results suggest a cardioprotective effect of Ixora coccinea Linn. leaves due to its antioxidant properties.

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