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Therapeutic effect of rehmannia polysaccharide on diabetic nephropathy rat model and its effects on PPARγsignal pathway / 中国生化药物杂志
Chinese Journal of Biochemical Pharmaceutics ; (6): 30-33,37, 2015.
Artigo em Chinês | WPRIM | ID: wpr-602475
ABSTRACT
Objective To investigate therapeutic effect and molecular mechanism of RPS on Diabetic Nephropathy rats.Methods DN rats were induced by STZ injection and grouped into model group, low-dose RPS group, middle-dose RPS group, high-dose RPS group, Rosiglitazone group and normal group.24 h urine protein,kidney weight index,blood glucose level and TG, BUN and Scr level in normal and DN rats were detected.TGF-βlevel of serum of rats in all groups by ELISA were detected.mRNA and protein expression level of PPARγ,aP2 and GLUT4 by RT PCR and Western blot were also detected.Results DN rats were induced successfully because the 24 h urine protein, kidney weight index and the levels of blood sugar and TG, BUN,Scr l and TGF-βevels, and the mRNA level of PPARγ,aP2 and GLUT4 level in DN rats increased than normal group(P<0.05).The mRNA level of PPARγ,aP2 and GLUT4 level increased(P<0.05) and other indexes decreased(P<0.05) as the doses of RPS increasing.The therapeutic effects of Rosiglitazone group was better than high dose PRS group.The protein level of PPARγ, aP2 and GLUT4 in DN rat skeletal muscle were significantly lower than normal group(P<0.05), and RPS can increase their expression level obviously.Conclusion RPS has a dose-dependent therapeutic effect on DN rats by improving the expression level of related protein in PPAR gamma signaling pathways.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Biochemical Pharmaceutics Ano de publicação: 2015 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Biochemical Pharmaceutics Ano de publicação: 2015 Tipo de documento: Artigo