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Título : | Iron overload potentiates diet-induced hypercholesterolemia and reduces liver ppar-α expression in hamsters. |
Autor : | Bonomo, Larissa de Freitas Silva, Maísa Oliveira, Riva de Paula Silva, Marcelo Eustáquio Pedrosa, Maria Lúcia |
Palabras clave : | Cholesterol |
Fecha de publicación : | 2012 |
Citación : | BONOMO, L. de F. et al. Iron overload potentiates diet-induced hypercholesterolemia and reduces liver ppar-α expression in hamsters. Journal of Biochemical and Molecular Toxicology, v. 26, p. 224-229, 2012. Disponível em: <https://goo.gl/n6F8PI>. Acesso em: 23 fev. 2017. |
Resumen : | Iron stores and lipids are related to the development of cardiovascular disease. Given that peroxisome proliferator-activated receptor alpha (PPAR-α) regulates important physiological processes that impact lipid and glucose homeostasis, we decided to investigate the effects of iron overload on serum lipids and the liver expression of PPAR-α, 3-hydroxy- 3-methylglutaryl coenzyme A reductase, and cholesterol 7α-hydroxylase. Hamsters were divided into four groups. The standard group (S) was fed the AIN-93M diet, the SI group was fed the diet and iron injections, the hypercholesterolemic group (H) was fed a standard diet containing cholesterol, and the HI group was fed a high-cholesterol diet and iron injections. Serum cholesterol in the HI group was higher than in the H group. Gene expression analysis of PPAR-α showed that the HI group had a lower PPAR-α expression than H. These data show that iron, when associated with a high-fat diet, can cause increased serum cholesterol levels, possibly due to a reduction in PPAR- α expression. |
URI : | http://www.repositorio.ufop.br/handle/123456789/7985 |
metadata.dc.identifier.uri2: | https://goo.gl/n6F8PI |
metadata.dc.identifier.doi: | https://doi.org/10.1002/jbt.21410 |
ISSN : | 1099-0461 |
Aparece en las colecciones: | DECBI - Artigos publicados em periódicos |
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Fichero | Descripción | Tamaño | Formato | |
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ARTIGO_IronOverloadPotentiales.pdf Restricted Access | 159,42 kB | Adobe PDF | Visualizar/Abrir |
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