Intermedin Alleviates Renal Ischemia-Reperfusion Injury and Enhances Neovascularization in Wistar Rats

被引：20

作者：

Wang, Yanhong ^{[1
]}

Mi, Yang ^{[2
]}

Tian, Jihua ^{[1
]}

Qiao, Xi ^{[3
]}

Su, Xiaole ^{[3
]}

Kang, Jing ^{[1
]}

Wu, Zhijing ^{[1
]}

Wang, Guiqing ^{[1
]}

Zhou, Xiaoshuang ^{[4
]}

Zhou, Yun ^{[4
]}

Li, Rongshan ^{[4
]}

机构：

[1] Shanxi Med Univ, Dept Microbiol & Immunol, Taiyuan, Shanxi, Peoples R China

[2] Shanxi Dayi Hosp, Shanxi Acad Med Sci, Dept Urol, Taiyuan, Shanxi, Peoples R China

[3] Shanxi Med Univ, Hosp 2, Dept Nephrol, Taiyuan, Shanxi, Peoples R China

[4] Shanxi Med Univ, Affiliated Peoples Hosp, Dept Nephrol, Shanxi Prov Peoples Hosp,Shanxi Kidney Dis Inst, Taiyuan, Shanxi, Peoples R China

来源：

DRUG DESIGN DEVELOPMENT AND THERAPY | 2020年 / 14卷

关键词：

intermedin; ischemia-reperfusion injury; kidney; angiogenesis; VEGF; VEGFR2; MMP2; MMP9; ET-1; ACUTE KIDNEY INJURY; MATRIX METALLOPROTEINASES; ADRENOMEDULLIN; PROTECTS; CELL; ANGIOGENESIS; INHIBITION; ENDOTHELIN; MAMMALS;

D O I：

10.2147/DDDT.S253019

中图分类号：

R914 [药物化学];

学科分类号：

100701 ;

摘要：

Background: Ischemia-reperfusion injury (IRI) is a major cause of acute kidney injury (AKI) and increases the risk of subsequently developing chronic kidney disease. Angiogenesis has been shown to play an important role in reducing renal injury after ischemia reperfusion. In this study, we investigated whether IMD could reduce renal IRI by promoting angiogenesis. Methods: The kidneys of Wistar rats were subjected to 45 min of warm ischemia followed by 24 h of reperfusion. IMD was overexpressed in vivo using the vector pcDNA3.1-IMD transfected by an ultrasound-mediated system. The renal injury after ischemia reperfusion was assessed by detection of the serum creatinine concentration and histologic examinations of renal tissues stained by PAS and H&E. Real-time PCR and Western blotting were used to determine the mRNA and protein levels, respectively. Histological examinations were used to assess the expression of CD31, MMP2, MMP9, ET-1, VEGF and VEGFR2 in tissues. Results: Renal function and renal histological damage were significantly ameliorated in IMD-transfected rats after ischemia reperfusion. Compared to the IRI, IMD significantly promoted angiogenesis. IMD also upregulated the protein and mRNA expression levels of VEGF and VEGFR2 and downregulated the expression level of MMP2, MMP9 and ET-1. Conclusion: IMD could protect the kidney after renal ischemia-reperfusion injury by promoting angiogenesis and reducing the destruction of the perivascular matrix.

引用

页码：4825 / 4834

页数：10

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