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作 者:Shan-shan ZHOU Zhong-zhu AI Wei-nan LI Liang LI Xiao-yun ZHU Yuan-ming BA
机构地区:[1]Hubei University of Chinese Medicine,Wuhan 430065,China [2]Hubei Provincial Hospital of Traditional Chinese Medicine,Wuhan 430061,China [3]Hubei Provincial Academy of Traditional Chinese Medicine,Wuhan 430061,China
出 处:《Current Medical Science》2020年第5期917-930,共14页当代医学科学(英文)
基 金:This study was supported by Academic Experience Inheritance of the Sixth National Group of Old Chinese Medicine Experts of the State Administration of Traditional Chinese Medicine(No.2017[29]);the key projects of Hubei Provincial Department of Health(No.JX6A09).
摘 要:This study aimed to explore the protective effects of the traditional Chinese Medicine formula Shenkang Ⅶ recipe(SK-7)on renal fibrosis and the mechanisms.Renal fibrosis was induced by unilateral ureteral obstruction(UUO)in rats.The rats were then divided into 5 groups:control group(Sham operation),UUO model group,UUO model plus low to high doses of SK-7(0.5,1.0,or 2.0 g/kg/day,for 14 days)groups.The animals were sacrificed on the 7th or 14th day.K idney tissues were collected for histopathological exarminations(hematoxylin and cosin and Masson's trichrome staining).Immunohistochemistry was used to detect the expression of collagen type II(Col II),fibronectin(FN),α-smooth muscle actin(a-SMA),TIMP metallopeptidase inhibitor 2(TIMP2),matrix metallopeptidase 2(MMP2),tumor necrosis factor-α(TNF-α),interleukin-1β(IL-1β)and monocyte chemotactic protein-1(MCP-1).The TGF-β1/Smad,NF-κB and Sonic hedgehog signaling proteins were detected by Western blotting.Our results showed that SK-7 prevented UUO-induced renal injury and accumulation of collagen fibrils.Renal fbrosis biomarkers Col Ⅲ,FN,α-SMA and TMP2 were increased in the rats after UUO and decreased by SK-7,while MMP2 was upregulated after treatment.SK-7 also suppressed the levels of TNF-α,IL-1βand MCP-1 in UUO rats.In addition,SK-7 inhibited activation of the TGF-B/Smad,NF-κB and sonic hedgehog signaling(SHH)pathways.Taken together,these findings suggest that SK-7 may regulate the synthesis and degradation of extracellular matrix,reduce inflammation and suppress the proliferation of fibroblasts,by blocking the TGF-β1/Smad,NF-κB and SHH signaling pathways to exert its anti-renal fbrosis effect in UUO rats.
关 键 词:ShenkangⅦrecipe(SK-7) chronic kidney disease renal fibrosis signaling pathway
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