细胞色素P450 2E1基因与鼻咽癌易感性分析

被引:9
作者
贺智敏
袁建辉
王水良
赖金平
涂青松
陈主初
机构
[1] 湖南医科大学肿瘤研究所!长沙,湖南医科大学肿瘤研究所!长沙,湖南医科大学肿瘤研究所!长沙,湖南医科大学附属湘雅医院!长沙,湖南医科大学附属湘雅医院!长沙,湖南医科大学肿瘤研究所!长沙
关键词
鼻咽肿瘤; 细胞色素P4502E1; 遗传多态性; 癌易感性;
D O I
暂无
中图分类号
R739.63 [咽肿瘤];
学科分类号
100214 ;
摘要
目的:为了探讨鼻咽癌的病因发病机理,进一步揭示鼻咽癌的易感因素,本文进行了细胞色素P4502E1(CYP2E1) 基因多态性与鼻咽癌易感性关系的研究。方法:采用病例- 对照分子流行病学方法分析105 例鼻咽癌患者和93 例正常人体细胞CYP2E1 基因型。结果: 发现RsaI和PstI识别的CYP2E1 基因纯合子突变型(C2/C2) 在鼻咽癌人群为5-7 % ,显著高于正常人群(1-1% ) 分布(χ2 = 4-86 ,P< 0-05) ;携带C2/C2 基因型个体发生鼻咽癌的危险性比携带其它基因型个体高5 倍左右。结论:CYP2E1 基因的多态性可能是鼻咽癌易感的因素之一。
引用
收藏
页码:517 / 519
页数:3
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