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Effect of Chinese Yam Polysaccharide on Expression of HIF-1α and VEGF in Rats with Renal Ischemia Reperfusion Injury / 中国中医药信息杂志
Chinese Journal of Information on Traditional Chinese Medicine ; (12): 56-58,62, 2014.
Artigo em Chinês | WPRIM | ID: wpr-598824
ABSTRACT
Objective To observe the effect of Chinese yam polysaccharide on the expression of hypoxia inducible factor-1α (HIF-1α) and vascular endothelial growth factor (VEGF) in rats with renal ischemia reperfusion injury. Methods SD rats were randomly divided into sham operation group, model group and Chinese yam polysaccharide group. Renal ischemia reperfusion injury model in rats was prepared. Seven days before operation, Chinese yam polysaccharide group was gastrically administrated with yam polysaccharide (200 mg/kg) daily, sham operation group and model group with same volume of saline respectively. BUN and SCr were detected postoperative 6 h, the protein expression of HIF-1αin renal tissue was detected by Western Blot, and HIF-1αand VEGF mRNA expression in renal tissue were detected by RT-PCR. Results Compared with sham operation group, serum levels of BUN and SCr of model group and Chinese yam polysaccharides group increased (P<0.01), and the mRNA and protein expression of HIF-1α, mRNA expression of VEGF in renal tissue increased (P<0.01). Compared with model group, serum levels of BUN and SCr of Chinese yam polysaccharide group decreased (P<0.01), and HIF-1α mRNA and protein expression, VEGF mRNA expression in renal tissue increased (P<0.01). Conclusion Chinese yam polysaccharide has obvious protective effect on renal ischemia reperfusion injury, which may be related with up-regulation of HIF-1αexpression and induction of VEGF expression.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Tipo de estudo: Estudo prognóstico Idioma: Chinês Revista: Chinese Journal of Information on Traditional Chinese Medicine Ano de publicação: 2014 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Tipo de estudo: Estudo prognóstico Idioma: Chinês Revista: Chinese Journal of Information on Traditional Chinese Medicine Ano de publicação: 2014 Tipo de documento: Artigo