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胰岛素样生长因子1对肾间质纤维化模型大鼠的实验研究

Medical Recapitulate(2013)

Cited 0|Views18
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Abstract
目的探讨胰岛素样生长因子1(IGF-1)与肾间质纤维化的关系。方法采用单侧输尿管结扎致肾间质纤动物模型,将30只Wistar雄性大鼠,随机平均分为假手术组、模型组和治疗组,术后14 d,测肾功能,免疫组织化学、原位杂交法,测Ⅳ型胶原蛋白、肌动蛋白α(α-SMA)、组织蛋白酶抑制剂1/基质金属蛋白酶9 mRNA的表达。结果模型组、治疗组血尿素氮、血肌酐,Ⅳ型胶原蛋白、α-SMA、组织蛋白酶抑制剂1水平高于假手术组(P<0.05);而治疗组与模型组相比MMP-9水平显著降低(P<0.05)。结论 IGF-1参与梗阻性肾病的病理生理过程,导致间质纤维化和肾功能损害。
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Key words
Insulin-like growth factor-1,Matrix metalloproteinases-9,Renal tubulointerstitial fibrosis,Tissue inhibitor of metalloproteinase-1
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