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Exp Clin Cardiol. 2011 Fall;16(3):87-91.

Prevention of diabetes-induced myocardial dysfunction in rats using the juice of the Emblica officinalis fruit.

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1
Department of Pharmacology, Institute of Pharmacy, Nirma University;

Abstract

Normalization of hyperglycemia, hyperlipidemia and oxidative stress is an important objective in preventing diabetes-induced cardiac dysfunction. The present study investigated the effects of the fruit juice obtained from Emblica officinalis on myocardial dysfunction in diabetic rats. Diabetes was induced by streptozotocin (STZ), and the rats were treated with E officinalis fruit juice for eight weeks. Injection of STZ produced loss of body weight, polydypsia, polyphagia, hyperglycemia, hypoinsulinemia and dyslipidemia. It also produced hypertension, bradycardia, hypertrophy and myocardial functional alterations associated with an increase in serum lactate dehydrogenase and creatinine kinase-MB levels. Treatment with the fruit juice not only prevented STZ-induced loss of body weight, increases in water and food intake, increases in serum glucose levels and disturbed lipid profile, but also an increase in serum lactate dehydrogenase and creatinine kinase-MB levels, and increased myocardial hypertrophy and cardiomyopathy. There was an increase in the area under the curve (AUC) for glucose, and a decrease in AUC(insulin) was observed in diabetic rats; treatment decreased AUC(glucose) but not AUC(insulin) or hyperinsulinemia. There was a decrease in antioxidant enzyme levels (in superoxide dismutase, reduced glutathione and catalase) in diabetic hearts, which could be improved by treatment with fruit juice. The present data suggest that fruit juice may be beneficial for the treatment of myocardial damage associated with type 1 diabetes mellitus. The activity of E officinalis fruit juice can be attributed to the concentration of polyphenol present.

KEYWORDS:

Antidiabetic; Antihyperlipidemic; Emblica officinalis; Left ventricular hypertrophy; Myocardial dysfunction; Oxidative stress

PMID:
22065939
PMCID:
PMC3209545

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