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Liver Histology after Chronic Use of Alcohol and Exercise Training in Rats

Journal of Pharmacy and Pharmacology 2018年第1期6卷 52-60页

作者： Marina Silva de Lucca Eveline Tortes Pereira thamires righi Camilo Amaro de Carvalho Clayton Israel Nogueira Daise Nunes Queiroz da Cunha Antonio Jose Natali Luciana Moreira Lima Department of Medicine and Nursing Federal University of Vigosa MG CEP 36. 570-900 Brazil Postgraduate Program in Physical Education Federal University of Vigosa MG CEP 36. 5 70-900 Brazil Department of Biochemistry and Molecular Biology Federal University of Vicosa MG CEP 36. 570-900 Brazil Department of Veterinary Medicine Federal University of Vigosa MG CEP 36.570-900 Brazil

Objectives： To investigate the effects of physical training on the liver morphology and morphometry after chronic use of alcohol in rats. Methods： Twenty-four Wistar rats were housed in cages with controlled environment and randomly divided into four groups according to treatment received. In the initial treatment, alcohol was administered to SA （sedentary alcohol） and EA （exercise alcohol） groups. After four weeks, physical training program was held on a treadmill with EA and EC （exercise control） groups. Area, perimeter, maximum and minimum diameter and form factor of nucleus and cytoplasm of hepatocytes were analyzed. Key findings： Micro-vesicular fatty degeneration, predominantly pericentrolobular, of mild to moderate intensity, was found especially in animals treated with alcohol. EC group showed nucleus area greater than the nucleus area of EA and SA groups. The form factor was lower in the EC group than in the EA group. EA group showed maximum cytoplasm diameter is smaller than in SC （sedentary control） group. Conclusions： Physical training for two weeks was not enough to suppress histopathologic changes in the liver caused by chronic use of alcohol in rats. Chronic use of alcohol seems to have minimized the beneficial effect of physical training in the nucleus area of hepatocytes.

关键词： Alcohol exercise steatosis alcoholic liver disease animal model.

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