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Change of urinary cadmium and renal tubular damage markers of 8 occupationally exposed-cadmium workers: A 6-year follow-up after exposure ceasing
Author(s): 
Pages: 38-40
Year: Issue:  1
Journal: Occupational Health and Emergency Rescue

Keyword:  尿β2-微球蛋白维生素A结合蛋白肾小管损伤分子-1;
Abstract: [目的]观察职业性镉作业观察对象尿镉及肾小管损伤效应标志物水平的变化,比较脱离镉作业6年后镉作业观察对象尿肾小管损伤分子-1(KIM-1)的水平.[方法]选取8例职业性镉作业观察对象,对2009-2014年度的尿镉、尿β2-微球蛋白及尿维生素A结合蛋白(即视黄醇结合蛋白)水平进行跟踪观察.2014年用ELISA法检测观察对象及正常对照组尿肾小管损伤分子-1(KIM-1)的水平.[结果]停止镉作业后,观察组的尿镉平均水平略有下降趋势,但各年度间差异无统计学意义(P>0.05).停止镉接触后,观察组尿β2-MG水平和尿视黄醇结合蛋白水平一直维持在正常范围.观察组各年度尿β2-MG水平、尿视黄醇结合蛋白水平差异均无统计学意义(P>0.05).停止镉接触6年后,观察组尿KIM-1的水平(1.37±0.61) ng/mL,对照组为(0.62±0.35)ng/mL,两组差异有统计学意义(P<0.05).[结论]镉作业观察对象脱离镉接触后,尿镉水平下降不明显,传统的肾小管功能损害标志物尿β2-MG及尿视黄醇结合蛋白水平无明显变化,但尿KIM-1仍存在异常.
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