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Role of vitamin D in the development of obesity / Rol de la vitamina D en el desarrollo de la obesidad
Merino, O; Gregório, B; Sampaio, F; Sánchez, R; Risopatrón, J.
  • Merino, O; Universidad de La Frontera. Center of Biotechnology in Reproduction. Temuco. CL
  • Gregório, B; State University of Rio de Janeiro. Department of Anatomy. Rio de Janeiro. BR
  • Sampaio, F; State University of Rio de Janeiro. Department of Anatomy. Rio de Janeiro. BR
  • Sánchez, R; Universidad de La Frontera. Center of Biotechnology in Reproduction. Temuco. CL
  • Risopatrón, J; Universidad de La Frontera. Center of Biotechnology in Reproduction. Temuco. CL
Int. j. morphol ; 35(4): 1568-1575, Dec. 2017. tab, graf
Article in English | LILACS | ID: biblio-893170
ABSTRACT

SUMMARY:

Antecedents in the literature suggest that vitamin D (VD) play a role in overweigh/obesity. The present study evaluated the effect of VD deficiency diet intake and fat hight on overweight/obesity about white adipose tissue (WAT) and body mass (BM) gain. Animals were divided into four experimental groups according to the lipid and VD content of their diets; G1 CVD+ (C control diet with VD+; n=5), G2 CVD- (control diet without VD-; n=5), G3 HFVD+ (high fat diet, with VD+; n=5), G4 HFVD- (HF diet without VD-; n=5). The diets were administered for three months and BW was monitored weekly. At the end of this period all animals were euthanized. Epididymal (EFM), retroperitoneal (RFM) and subcutaneous (SFM) fat mass were removed, weighted. At 12 weeks the body mass of the animals that were fed without VD- diets; G2 507.60±17.31 g, and G4 528.50±13.50 g were significantly higher (p < 0.05), than the counterparts G1 485.0±11.29 g and G3 521.20±26.20 g respectively. Similarly, the animals fed with VDdiets had a greater EFM and SFM (p < 0.05) compared with the respective controls (VD+). Nevertheless, the animals fed with high fat diet had equal RFM (G3 12.2±4.10 g, G4 12.88±2.3 g, p > 0.05). The results demonstrate that the nutrition of rats with diet deficient in VD and high fat, promotes overweight by increasing fat deposits, suggestion a cause-effect relationship between VD deficiency and overweight. These results suggest that VD deficiency increases the risk of visceral fat obesity in males.
RESUMEN
RESUMEN Los antecedentes de la literatura sugieren una relación entre la vitamina D (VD) y el sobrepeso/obesidad, sin embargo, causalidad de la relación no está clara. El presente estudio evaluó el efecto de la ingesta dietética deficiente de VD y alta en grasa sobre el tejido adiposo (TA) y la masa corporal (MC). Los animales se dividieron en cuatro grupos experimentales de acuerdo con el contenido de VD y lípido en la dieta; G1 CVD+ (C dieta control con VD+; n = 5), G2 CVD- (dieta control sin VD-; n = 5), G3 HFVD+ (dieta alta en grasa, con VD+; n = 5), G4 HFVD- (dieta HF sin VD-; n = 5). Las dietas se administraron durante tres meses y MC se controló semanalmente. Al final de este período, los animales fueron sacrificados. La masa grasa epididimaria (MGE), subcutánea abdominal (MGS) y retroperitoneal (MGR) fueron diseccionadas y pesadas individualmente. A las 12 semanas, la MC de los animales alimentados con dietas sin VD-; G2 507,60 ± 17,31 g, y G4 528,50 ± 13,50 g fue significativamente mayor (p < 0,05), que sus homólogos G1 485,0 ± 11,29 g y G3 521,20 ± 26,20 g respectivamente. De forma similar, los G2 y G4 tuvieron una mayor MGE y MGS (p < 0,05) en comparación con los controles respectivos (VD+). Sin embargo, los animales alimentados con dieta alta en grasas tuvieron igual MGR (G3 12,2 ± 4,10 g; G4 12,88 ± 2,3 g, p > 0,05). Los resultados demuestran que la nutrición de ratas con dieta deficiente en VD y alta en grasa, promueve el sobrepeso/obesidad al exacerbar la ganancia de masa grasa en los diferentes depósitos de grasa, sugiriendo una relación causa-efecto entre la deficiencia de VD y el sobrepeso/obesidad. Estos resultados sugieren que la deficiencia de VD aumenta el riesgo de obesidad de grasa visceral en machos.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Vitamin D Deficiency / Overweight / Diet, High-Fat Limits: Animals Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2017 Type: Article / Project document Affiliation country: Brazil / Chile Institution/Affiliation country: State University of Rio de Janeiro/BR / Universidad de La Frontera/CL

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Full text: Available Index: LILACS (Americas) Main subject: Vitamin D Deficiency / Overweight / Diet, High-Fat Limits: Animals Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2017 Type: Article / Project document Affiliation country: Brazil / Chile Institution/Affiliation country: State University of Rio de Janeiro/BR / Universidad de La Frontera/CL