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浙江大学学报(医学版)  2011, Vol. 40 Issue (3): 265-271    DOI: 10.3785/j.issn.1008-9292.2011.03.006
专题报道     
miR-605和miR-149基因多态性以及相关因素与肺癌易感性的关联研究
张明五1,余运贤1,金明娟1,潘益峰1,姜侠1,李其龙2,马新源2,张善春1,陈坤1
1.浙江大学公共卫生学院流行病学与卫生统计学系,浙江 杭州 310058; 2.浙江省嘉善县肿瘤防治所,浙江 嘉善 314100
Association of miR-605 and miR-149 genetic polymorphisms with related risk factors of lung cancer susceptibility

ZHANG Ming-wu1,YU Yun-xian 1,JIN Ming-juan 1,PAN Yi-feng 1,JIANG Xia 1,LI Qi-long 2,MA Xin-yuan 2,ZHANG Shan-chun 1,CHEN Kun1
1.Department of Epidemiology and Health Statistics,Zhejiang University School of Public Health, Hangzhou 310058,China; 2.Cancer Institute of Jiashan County,Jiashan 314100,China
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摘要: 目的:探讨miR-605和miR-149基因多态性以及相关危险因素与肺癌易感性的关联。
方法:2002年-2008年共收集了244例肺癌患者以及243例年龄和性别相匹配的正常对照者的社会人口学特征等数据以及外周静脉血样。采用PCR-RFLP技术对miR-605(rs2043556)和miR-149(rs2292832)的两个单核苷酸多态性的基因型进行检测,采用多因素Logistic模型分析miR-149和miR-605基因多态性及吸烟与肺癌易感性的关系。
结果:本研究未发现rs2043556与肺癌的易感性有关;AA基因型作为对照,AG和GG基因型肺癌易感性的OR分别为1.2(95%CI:0.4-3.4)和1.7(95%CI:0.6-4.8);经过性别分层后,在男性中携带至少1个G(GG+AG)等位子相对于AA基因的OR=1.5(95%CI:1.0-2.3)。rs2292832与肺癌的易感性之间未发现相关性;TT基因型作为对照组,TC和CC基因型肺癌易感性的OR分别为0.7(95%CI:0.3-2.2)和0.6(95%CI:0.2-1.9);与不吸烟者相比,每天吸烟<20支的个体发病风险显著增加(OR=1.7,95%CI:1.0-3.0),吸烟20支及以上者的发病风险进一步增加(OR=4.2,95%CI:2.3-7.6);吸烟与miR-605和miR-149基因之间未发现对肺癌有交互作用。
结论:本研究未发现miR-149基因多态性与肺癌的易感性之间存在关联;miR-605的突变可能增加男性肺癌的危险;吸烟明显增加了肺癌的发病风险,但是miR-149和miR-605基因与吸烟对肺癌没有明显的交互作用。
关键词: 肺肿瘤/遗传学 多态性单核苷酸 基因型 多态现象遗传 吸烟 基因    
Abstract: Objective: To explore association of miR-149 and miR-605 polymorphisms with other risk factors of lung cancer susceptibility among Chinese population.
Methods: Two hundred and forty-four patients with lung cancer and 243 cancer-free controls matched by age and sex were enrolled from 2002 to 2008.Peripheral venous blood samples were collected from all subjects.Single nucleotide polymorphisms (SNPs) of miR-149 and miR-605 were genotyped by PCR-RFLP.Multiple-variable logistic regression model was used to assess the association of SNPs and cancer related risk factors for lung cancer.
Results: There was not significant association of SNPs of miR-149 and miR-605 with lung cancer.A marginal significance was observed while the males with at least one G allele of miR-605 had higher risk of lung cancer (OR=1.5,95%CI: 1.0-2.3) than those with AA genotype.Increased frequency of smoking was associated with lung cancer risk.Compared with no-smoker,the subjects with <20 and ≥20 cigarettes/day had higher risk of lung cancer: OR (95%CI)=1.7(1.0-3.0) for <20 cigarettes,OR (95%CI)=4.2(2.3-7.6) for ≥20 cigarettes.There was no interaction between two genes and smoking on lung cancer.
Conclusions: miR-149 polymorphisms may not affect lung cancer susceptibility.miR-605 gene mutant might be increase the risk of lung cancer among males.Cigarette smoking increased a risk of lung cancer,but there were not interactive effects between two gene and smoking on lung cancer.
Key words: Lung neoplasms/geneti; Polymorphism    single nucleotide; Genotype; Polymorphism    genetic; Smoking; Genes
出版日期: 2011-05-25
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引用本文:

张明五;余运贤;金明娟;潘益峰;姜侠;李其龙;马新源;张善春;陈坤. miR-605和miR-149基因多态性以及相关因素与肺癌易感性的关联研究[J]. 浙江大学学报(医学版), 2011, 40(3): 265-271.

链接本文:

https://www.zjujournals.com/med/CN/Y2011/V40/I3/265

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