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- Influence of AIN-93 diet on mortality and cardiac remodeling after myocardial infarction in rats
- Ardisson, Lidiane P.
- Minicucci, Marcos Ferreira
- Gaiolla, Paula Schmidt Azevedo
- Chiuso-Minicucci, Fernanda
- Matsubara, Beatriz Bojikian
- Matsubara, Luiz Shiguero
- Santos, Priscila P.
- Assalin, Heloisa B.
- Novo, Rosangela
- Novelli, Ethel L.
- Sant'ana, Lea Silvia
- Paiva, Sergio Alberto Rupp de
- Zornoff, Leonardo Antonio Mamede
- Universidade Estadual Paulista (UNESP)
- Botucatu Medical School
- Background: The AIN-93 diet was proposed by the American Institute of Nutrition with the objective of standardising studies in experimental nutrition. Our objective was to analyze the effects of AIN-93 diet after myocardial infarction in rats.Methods: Post weaning, the animals were divided into two groups: control (C, n=62), fed the standard diet of our laboratory (Labina); AIN-93 Group (n=70), fed the AIN-93 diet. Achieving 250 g, the animals were subjected to myocardial infarction.Results: Early mortality was increased in AIN-93 animals, associated with lower serum levels of calcium, magnesium, potassium, sodium, and phosphorus. on the other hand, after 90 days, AIN-93 showed smaller normalized left ventricular dimensions. The caloric and carbohydrate intake was smaller, but the fat intake was higher in AIN-93 rats. AIN-93 group also showed increased levels of beta-hydroxyacylcoenzyme A dehydrogenase and citrate synthase. In addition, serum levels of insulin and cardiac levels of malondialdehyde, metalloproteinases-2 and -9, and TNF-alpha and IFN-gamma were decreased in the AIN-93 group.Conclusion: AIN-93 diet increased early mortality, while attenuated the chronic remodeling process after experimental coronary occlusion. Therefore, this diet has biological effects and should be use with attention in this model. (C) 2010 Elsevier B.V. All rights reserved.
- International Journal of Cardiology. Clare: Elsevier B.V., v. 156, n. 3, p. 265-269, 2012.
- Elsevier B.V.
- Heart failure
- Myocardial infarction
- Acesso aberto
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