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转化生长因子-β及肿瘤坏死因子基因多态性与煤工尘肺的关系 被引量:1

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摘要 目的探讨转化生长因子-β(TGF-β)和肿瘤坏死因子-α(TNF-α)基因多态性与煤工尘肺发生的关系。方法选择234名汉族男性煤丁尘肺患者为病例组,440名接触煤尘无尘肺及其他肺部疾病者为对照组,采集外周静脉血,采用聚酶链反应-限制性片段长度多态性(PCR—RFLP)技术检测TGF-β(+869)位点和TNF-α(-238)位点基因多态性。结果煤工尘肺病例组TGF-β(+869)位点基因型、等位基因分布频率与对照组比较,差异均无统计学意义(P〉0.05)。TNF-α(-238)位点为G/A基因型者患Ⅰ期煤工尘肺的危险度是G/G基因型的1.74倍(95%CI:1.01~3.01,P〈0.05),调整年龄、接尘工龄和工种后为1.58倍(95%CI:0.89~2.78,P〉0.05)。Ⅰ期煤工尘肺患者G、A等位基因频率分别为93.10%和6.90%,对照组G、A等位基因频率分别为95.80%和4.20%,两组比较,x^2=3.828,P=0.05。结论TNF-α(-238)位点和TGF-β(+869)位点的多态性对煤工尘肺的发生不起主要作用。
出处 《中华劳动卫生职业病杂志》 CAS CSCD 北大核心 2009年第4期240-242,共3页 Chinese Journal of Industrial Hygiene and Occupational Diseases
基金 科技部“十五”科技攻关项目基金资助(2001BA704804)
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参考文献9

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