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氟暴露人群雌激素受体RsaⅠ基因多态性及其与骨密度异常的关系 被引量:2

Estrogen receptor RsaⅠgene polymorphism and bone mineral density in population exposed to fluoride
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摘要 目的:调查不同氟暴露水平地区人群中雌激素受体(ER)RsaⅠ基因的多态性分布,并了解其与高氟区人群骨密度异常的关系。方法:分别在高氟区(100例)与对照区(110例)选择观察人群;采用聚合酶链反应-限制性片段长度多态性(PCR-RFLP)方法检测ERRsaⅠ基因型;应用X线检查两地部分人群(高氟区49例,对照区25例)骨结构改变。结果:高氟区和对照区人群骨密度异常率分别为87.8%和44.0%,差异有统计学意义(χ2=16.069,P<0.05);骨密度异常人群ERRsaⅠ基因型分布rr为66.7%,Rr为25.9%,RR为7.4%;骨密度正常人群分布rr为80.0%,Rr为10.0%,RR为10.0%,2类人群基因型分布比较差异无统计学意义(χ2=3.078,P>0.05);未发现携带纯和突变型RR的人群骨密度异常的危险性增高(OR=0.56,95%CI:0.09~3.56)。结论:ERRsaⅠ基因多态性与高氟暴露人群骨密度异常无明显关系。 Aim:To investigate the distribution of estrogen receptor(ER) RsaⅠgenotype in population exposed to high fluoride and to evaluate the relationship between ER RsaⅠgene polymorphism and bone mineral density.Methods:Polymerase chain reaction-restriction fragment length polymorphism analysis was used to determine ER RsaⅠgenotype in population who lived in the areas with or without high fluoride in drinking water. The change of bone mineral density was measured by dual-energy X-ray absorptiometry.Results:Prevalen...
出处 《郑州大学学报(医学版)》 CAS 北大核心 2009年第5期971-974,共4页 Journal of Zhengzhou University(Medical Sciences)
基金 河南省医学科技攻关基金资助项目20060374 河南省教育厅自然科学基金资助项目2009A330005
关键词 雌激素受体 基因多态性 骨密度 estrogen receptor gene polymorphism bone mineral density fluoride
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