Role of lupeol and its ester on cyclophosphamide-induced hyperlipidaemic cardiomyopathy in rats

P. T. Sudharsan, Y. Mythili, V. Sudhahar, P. Varalakshmi

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16 Scopus citations


Cyclophosphamide, an alkylating agent widely used in cancer chemotherapy, causes fatal cardiotoxicity. In this study, lupeol, a pentacyclic triterpene isolated from Crataeva nurvala stem bark, and its ester, lupeol linoleate, were investigated for their possible hypocholesterolaemic effects against cyclophosphamide-induced lipidaemic instabilities. Male albino Wistar rats were categorized into 6 groups. Group I served as control. Rats in groups II, V and Vl were injected intraperitoneally with a single dose of cyclophosphamide (200 mg kg_1) dissolved in saline. Cyclophosphamide-treated groups V and VI respectively received lupeol and lupeol linoleate (50 mg kg-1), dissolved in olive oil, for 10 days by oral gavage. Groups III and IV served as drug controls and were administered lupeol and lupeol linoleate, respectively. Cyclophosphamide administration induced abnormal changes in serum lipoproteins and lipid fractions in both serum and cardiac tissue. The activity of lipid metabolizing enzymes was distorted significantly in the cyclophosphamide-treated rats. The cyclophosphamide-treated rats also showed extensive intermuscular haemorrhage in histology. Lupeol and its ester reversed the above alterations induced by cyclophosphamide. This study encapsulates the early lipaemic abnormalities in the heart tissue of cyclophosphamide-treated rats. Treatment with lupeol linoleate was more effective than lupeol in rendering protection to the cardiac tissue challenged by cyclophosphamide.

Original languageEnglish (US)
Pages (from-to)1437-1444
Number of pages8
JournalJournal of Pharmacy and Pharmacology
Issue number11
StatePublished - Dec 1 2005

ASJC Scopus subject areas

  • Pharmacology
  • Pharmaceutical Science

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