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正常儿童、青少年血清胰岛素样生长因子结合蛋白-3水平的变化

Journal of Applied Clinical Pediatrics(2006)

Cited 16|Views42
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Abstract
目的测定正常儿童、青少年血清胰岛素样生长因子结合蛋白-3(IGFBP-3)水平。方法对北京市东城区190名(男102名,女88名)健康的4.0~18.9岁儿童、青少年,应用放射免疫分析法(RIA)测定空腹血清IGFBP-3水平。结果随着年龄的增加,血清IGFBP-3水平逐渐升高,到青春期达到峰值。女性血清IGFBP-3水平达峰值时间较男性早1~2年,男、女性达峰时间分别为13.0~14.9及11.0~14.9岁,峰值分别为(4.58±0.64)、(4.67±0.93)mg/L。达峰值后血清IGFBP-3水平逐渐下降至各自9.0~10.9岁水平。血清IGFBP-3水平分别与身高和血清胰岛素样生长因-子1(IGF-1)水平呈显著正相关。结论血清IGFBP-3水平与年龄、青春发育期、身高及血清IGF-1水平明显相关。同年龄血清IGFBP-3水平无性别差异。
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Key words
pubertal stage,body height,healthy child and adolescent,insulin-like growth factor binding protein-3,insulin-like growth factor-1
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