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胰岛素样生长因子及其结合蛋白在宫内发育迟缓儿脐血中的表达及关系研究 被引量:1

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摘要 目的探讨脐血中胰岛素样生长因子-I(IGF-I)、胰岛素样生长因子结合蛋白-3(IGFBP-3)的水平变化与宫内发育迟缓儿(IUGR)生长的关系。方法将新生儿脐血标本分两组:IUGR组(35例)及适于胎龄儿(AGA)组(40例),采用竞争性放射免疫分析法(RIA)测定IGF-1水平、非竞争性免疫放射分析法(IRMA)测定IGFBP-3水平。结果与AGA组相比,IUGR组脐血中IGF-1和IGFBP-3水平均显着降低(P<0.01),且均随胎龄及出生体重增加而增加;IGFBP-3与IGF-1呈显着正相关关系(r=0.87,P<0.01)。结论胰岛素样生长因子-1(IGF-1)及其结合蛋白(IGFBP-3)的含量降低可能IUGR的发病机制之一,早期干预可能对治疗有指导作用。
作者 黄立信 胡冰
出处 《中外医疗》 2008年第13期15-15,共1页 China & Foreign Medical Treatment
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