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Effect of statins and aerobic physical exercise on liver function in dyslipidemic rats: morphometric study / Efecto de las estatinas y ejercicio físico aeróbico sobre la función hepática en ratas dislipémicas: estudio morfométrico
Accioly, Marilita Falângola; Souza, Dorotéia Rossi Silva; Padulla, Susimary Aparecida Trevizan; Camargo Filho, José Carlos Silva; Carmo, Edna Maria do; Martins, Alex Tadeu; Brandão, Antônio Carlos; Azoubel, Reinaldo.
  • Accioly, Marilita Falângola; Federal University of Triângulo Mineiro. Department of Applied Physical Therapy. Uberaba. BR
  • Souza, Dorotéia Rossi Silva; Faculty of Medicine of São José do Rio Preto (FAMERP). São José do Rio Preto. BR
  • Padulla, Susimary Aparecida Trevizan; FCT/UNESP. Department of Physical Therapy. P. Prudente. BR
  • Camargo Filho, José Carlos Silva; FCT/UNESP. Department of Physical Therapy. P. Prudente. BR
  • Carmo, Edna Maria do; FCT/UNESP. Department of Physical Therapy. P. Prudente. BR
  • Martins, Alex Tadeu; University Center of Educacional Fundation of Barretos. Program of Dental Sciences. Barretos. BR
  • Brandão, Antônio Carlos; Faculty of Medicine of São José do Rio Preto. São José do Rio Preto. BR
  • Azoubel, Reinaldo; Faculty of Medicine of São José do Rio Preto. Faculty of Medicine. Program of Health Sciences. São José do Rio Preto. BR
Int. j. morphol ; 31(4): 1309-1316, Dec. 2013. ilus
Article in English | LILACS | ID: lil-702310
ABSTRACT
The present study was carried out to evaluate the effect of statins associated with physical exercise (PE) in liver cells in dyslipidemic rats through cariometry. The animals were divided into six groups animals subjected to a hypercholesterolemic diet (HD), simvastatin, with (G1) and without (G2) physical exercise (PE); HD submitted (G3) or not (G4) to PE, and commercial food diet (F) with (G5) and without (G6) PE. Histological analysis of the liver was performed by staining the slides with hematoxylin and eosin. The cariometric study included measuring the major and minor diameters of the hepatocytes nuclei. The Shapiro-Wilk test was also performed. To determine the differences among the groups, the Kruskal-Wallis Test with Dunn's post-test were conducted. The significance level was set at 5 percent. No difference was found in the hepatocytes nuclei between G5 and G6. When these groups were related with G3 and G4, reduced nuclei were observed. There was no difference between G1 and G6. The comparison between G6 and G2 showed that the nuclei in G2 were smaller. No difference was detected between G5 and G1. Changes were observed in the nuclei shape in G2 in comparison to G1. Considering G2 and G3, a decrease in the size of nuclei was observed in G3. On the other hand, G2 showed changes in shape in the comparative analysis with G4. The size and shape of G1 nuclei were larger than G3 as well as changes in shape were observed when compared to G4. G4 showed smaller nuclei than G3. Therefore, F, associated or not with the practice of PE, does not alter the size and shape of the hepatocytes nuclei; HD combined with sedentarism influences changes in the morphometric parameters of hepatocytes; and the association of simvastatin and PE seems to protect the hepatocytes nuclei with regard to HD.
RESUMEN
El presente estudio se realizó con la finalidad de evaluar el efecto de las estatinas asociadas con el ejercicio físico (PE) en las células del hígado, en ratas con dislipidemia a través de cariometría. Los animales fueron divididos en seis grupos animales sometidos a una dieta hipocolesterolemiante (HD), simvastatina, con (G1) y sin (G2) ejercicio físico (PE); HD enviado (G3) o no (G4) para educación física y dieta comercial (F) con (G5) y sin (G6) PE. El análisis histológico del hígado se realizó por tinción de los portaobjetos con hematoxilina y eosina. El estudio cariométrico incluyó la medición de los diámetros mayor y menor de los núcleos de hepatocitos. Se realizó la prueba de Shapiro-Wilk. Para determinar las diferencias entre los grupos, se realizó la prueba de Kruskal-Wallis con Dunn. El nivel de significación se fijó en 5 por ciento. No se encontraron diferencias en los núcleos de hepatocitos entre G5 y G6. Los núcleos fueron observados cuando estos grupos estaban relacionados con G3 y G4. No hubo diferencia entre G1 y G6. La comparación entre G6 y G2 mostró que los núcleos en G2 eran más pequeñas. No se detectaron diferencias entre el G5 y G1. Se observaron cambios en la forma núcleos en G2 en comparación con G1. Considerando G2 y G3, se observó en G3 una disminución en el tamaño de los núcleos. En el análisis comparativo con G4, G2 mostró cambios en la forma . El tamaño y forma de los núcleos G1 eran más grandes que G3, así como cambios en la forma se observaron cuando se compararó con G4. G4 mostraron núcleos menores que G3. Por tanto, F, asociados o no a la práctica de PE, no altera el tamaño y la forma de los núcleos de hepatocitos; HD combinada con influencias sedentarismo cambios en los parámetros morfométricos de los hepatocitos, y la asociación de simvastatina y PE parece proteger a los hepatocitos con respecto a la HD.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Exercise / Hydroxymethylglutaryl-CoA Reductase Inhibitors / Simvastatin / Liver Limits: Humans Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2013 Type: Article Affiliation country: Brazil Institution/Affiliation country: UNESP+BR / Faculty of Medicine of São José do Rio Preto (FAMERP)/BR / Faculty of Medicine of São José do Rio Preto/BR / Federal University of Triângulo Mineiro/BR / University Center of Educacional Fundation of Barretos/BR

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Full text: Available Index: LILACS (Americas) Main subject: Exercise / Hydroxymethylglutaryl-CoA Reductase Inhibitors / Simvastatin / Liver Limits: Humans Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2013 Type: Article Affiliation country: Brazil Institution/Affiliation country: UNESP+BR / Faculty of Medicine of São José do Rio Preto (FAMERP)/BR / Faculty of Medicine of São José do Rio Preto/BR / Federal University of Triângulo Mineiro/BR / University Center of Educacional Fundation of Barretos/BR