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Angiotensin Ⅱ AT1 receptor blockade modulates leptin,adiponectin and TNF-? in rat / 解放军医学杂志
Medical Journal of Chinese People's Liberation Army ; (12)1983.
Artigo em Chinês | WPRIM | ID: wpr-558050
ABSTRACT
Objective To investigate the effects of angiotensin Ⅱ AT1 receptor antagonist-Candesartan on production of leptin, adiponectin and TNF-? in rat. Methods 20 male Wistar Kyoto rats were randomly divided into vehicle and Candesartan treated groups. The dosage of Candesartan was 10mg?kg~ -1 ?d~ -1 . Food intake and bodyweight were recorded each week. Rats were sacrificed by decapitation after 17 weeks. Epididymal and perirenal fat were collected and weighted. Adipocytes were isolated from epididymal adipose tissue with collagenase. Diameter of adipocyte was evaluated. Blood chemistry, insulin, leptin, adiponectin and TNF-? were assayed. mRNA expressions of leptin, adiponectin and TNF-? of epididymal adipose tissue were assayed with RT-PCR. Results In Candesartan treated group, bodyweight and content of adipose tissue were significantly decreased, and adipocytes shrunk. Blood glucose and insulin levels showed no difference between two groups. Plasma leptin level and leptin mRNA expression in adipose tissue were lower, and plasma adiponectin level as well as adiponectin mRNA expression were higher in Candesartan treated group. Plasma TNF-? level was too low to detect with super sensitive kit, and mRNA expression of TNF? was decreased in Candesartan treated group. Conclusions Angiotensin Ⅱ AT1 receptor antagonist decreases the production of leptin and TNF-?, enhances synthesis as well as release of adiponectin in rat adipose tissue.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Medical Journal of Chinese People's Liberation Army Ano de publicação: 1983 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Medical Journal of Chinese People's Liberation Army Ano de publicação: 1983 Tipo de documento: Artigo