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Metformin HCl has curative effect on rebuilding of ventricular diastolic functions in high-fat-diet fed rats
Pakistan Journal of Pharmaceutical Sciences. 2017; 30 (Supp. 3): 949-954
em Inglês | IMEMR | ID: emr-188076
ABSTRACT
Myocardial lipid accumulation due to diabetes and/or obesity plays a role in the progression of left ventricular diastolic dysfunction. Our aims were to exhibit the correlation between histopathologic stage of the liver and cardiac functions, and to evaluate the effects of metformin HCl and rosiglitazone on myocardial functions. Thirty-two male Sprague-Dawley rats were divided into four groups to exhibit the correlation between histopathologic stage of the liver and cardiac functions and to determine whether metformin HCl and rosiglitazone have effects on cardiac functions. For 20 weeks, one group was fed standard rat basic diet, whereas the other groups were on high-fat-diet. During the last 4 weeks, metformin HCl was given to the third group, rosiglitazone to the fourth group. Histological evaluation of rat livers yielded significantly higher steatosis grade in high-fat-diet group and different fibrosis stages among groups. Also, there was significant correlation between diastolic functions and steatosis grade/fibrosis stage of rat liver. Electrophysiological study of hearts via Langendorff technique showed better coronary perfusion pressures and diastolic functions in standard-diet and metformin HCl groups compared to other groups. Metformin HCl improves LV diastolic dysfunction and coronary perfusion pressures
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Índice: IMEMR (Mediterrâneo Oriental) Idioma: Inglês Revista: Pak. J. Pharm. Sci. Ano de publicação: 2017

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Buscar no Google
Índice: IMEMR (Mediterrâneo Oriental) Idioma: Inglês Revista: Pak. J. Pharm. Sci. Ano de publicação: 2017