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血、尿转化生长因子-β1、尿Ⅳ型胶原与2型糖尿病早期肾病关系的探讨
Relevance of serum and urinary transforming growth factor-β1 and urinary type Ⅳ collagen with early diabetic nephropathy in type 2 diabetic patients
【摘要】 目的探讨2型糖尿病患者血、尿转化生长因子(TGF)-β1、尿Ⅳ型胶原与糖尿病早期肾病的关系。方法149例2型糖尿病患者根据24 h尿白蛋白排泄率(UAER)分为正常蛋白尿组(UAER<30 mg/24 h)和微量白蛋白尿组(UAER 30~300 mg/24 h)。结果微量白蛋白尿组的24 h尿TGF-β1、尿Ⅳ型胶原和血TGF-β1显著高于正常蛋白尿组(P值均<0.01)。24 h尿TGF-β1、尿Ⅳ型胶原和血TGF-β1均与UAER呈正相关(P<0.01)。分别以UAER、尿TGF-β1、尿Ⅳ型胶原、血TGF-β1为应变量(Y),以病程、年龄、体重指数、腰臀比、收缩压、舒张压、空腹血糖、三酰甘油、低密度脂蛋白(LDL)、高密度脂蛋白(HDL)、C肽、糖化血红蛋白(HbA1c)为自变量(X1、X2、X3…X12)作多元逐步线性回归分析。LDL、HbA1c进入UAER的回归方程(Y=0.959+0.532X9+0.188X12);HDL、HbA1c进入24 h尿TGF-β1的回归方程(Y=3.263-0.47X10+0.212X12);HbA1c进入24 h尿Ⅳ型胶原的回归方程(Y=4.032+0.106 X12);LDL、HbA1c进入血TGF-β1的回归方程(Y=-14.51+1.413X9+7.622X12)。结论24 h尿TGF-β1、尿Ⅳ型胶原和血TGF-β1可作为糖尿病早期肾损害较敏感的指标。
【Abstract】 Objective To appraise the relevance of serum and urinary transforming growth factor(TGF)-β1 and urinary type Ⅳ collagen(Ⅳ-C) with early diabetic nephropathy in type-2 diabetic patients. Methods 149 cases of type-2 diabetes were divided into normoalbuminuria group and microalbuminuria group,according to the following items: urine albumin excretion rate(UAER).UAER,TGF-β1,Ⅳ-C,blood TGF-β1,blood glucose,blood lipid,C-peptide,blood creatinine(Cr),urea nitrogen(BUN),glycosylated hemoglobin(HbA1c),were mea-(sured.) Results 24 h urinary TGF-β1,Ⅳ-C and serum TGF-β1 in the microalbuminuria group were markedly higher than those in normoalbuminuria group(P<0.01),24 h urinary TGF-β1,Ⅳ-C and serum TGF-β1 were also positively correlated with UAER(P<0.01). Conclusions 24 h urinary TGF-β1,Ⅳ-C and serum TGF-β1 seem to be the early markers of diabetic nephropathy.
【Key words】 Diabetic nephropathy; Micoalbuminuria; Transforming growth factor-β1; Type Ⅳ collagen;
- 【文献出处】 上海医学 ,Shanghai Medical Journal , 编辑部邮箱 ,2006年02期
- 【分类号】R587.2
- 【被引频次】3
- 【下载频次】141