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Effects of astragalus polysaccharide on renal TGF-β1 /Smads signaling pathway in rats with diabetes mellitus / 中国药理学通报
Chinese Pharmacological Bulletin ; (12): 512-516, 2018.
Artículo en Chino | WPRIM | ID: wpr-705076
ABSTRACT
Aim To investigate the effects of astragalus polysaccharide (APS) on renal TGF-β1/Smads signa-ling pathway in rats with diabetes mellitus(DM). Methods Wistar rats were randomly divided into nor-mal group,DM group,APS low dose (APS-low) group and APS high dose (APS-high) group. Rats in APS-low group and APS-high group respectively received 200 and 400 mg·kg-1·d-1APS for 8 weeks. Con-centrations of fasting blood-glucose(FBG),blood urea nitrogen and creatinine,as well as urinary kidney injury molecule-1 (KIM-1) and osteopontin (OPN) were measured. Levels of TGF-β1,Smad2,phosphorylated Smad2 (p-Smad2),Smad3,phosphorylated Smad3 (p-Smad3),Smad7,matrix metalloproteinase (MMP) 2,MMP-9,tissue inhibitor of matrix metalloproteinases (TIMP)-1 and TIMP-2 were investigated. Results Compared to control group,DM group had higher levels of FBG,blood urea nitrogen,creatinine KIM-1,OPN, TGF-β1,Smad2,p-Smad2,Smad3,p-Smad3,TIMP-1 and TIMP-2,but lower levels of Smad7,MMP-2 and MMP-9. APS significantly decreased the levels of FBG,blood urea nitrogen,creatinine KIM-1 and OPN, as well as inhibited the activity of TGF-β1/Smads sig-naling pathway. Conclusion The renoprotective effects of APS might be associated with the inhibition of TGF-β1/Smads signaling pathway.

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Chinese Pharmacological Bulletin Año: 2018 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Chinese Pharmacological Bulletin Año: 2018 Tipo del documento: Artículo