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Study on the intercellular adhesion molecule-1 polymorphisms in a Chinese population with myocardial infarction
Author(s): WANG Ming, LI Yan, ZHANG Ping-an, YANG Chao, XIANG Ping-xia, WEI Ye-sheng, LI Xiao-yan, HUANG Cong-xin
Pages: 702-
706
Year: 2005
Issue:
9
Journal: CHINESE JOURNAL OF EPIDEMIOLOGY
Keyword: 心肌梗死; 细胞间黏附分子; 基因多态性;
Abstract: 目的探讨汉族人群中细胞间黏附分子-1(ICAM-1)第4外显子+12959G/A、第6外显子+13848A/G基因多态性与心肌梗死(心梗)的相关性.方法提取165例心梗患者(包括急性心梗和陈旧性心梗)和199名健康对照者的DNA,采用序列特异性引物扩增法和聚合酶链反应-限制性片段长度多态性技术检测ICAM-1+12959G/A、+13848A/G基因多态性,同时测定血脂及血清超敏C-反应蛋白(hsCRP,采用定量酶联免疫吸附试验技术)水平.结果湖北地区汉族人群中存在+13848A/G多态性,在心梗组中基因型分布为:AA型58.2%、AG型37.0%、GG型4.8%;对照组分别为45 7%、45.2%、9.0%,两组比较差异有统计学意义(P<0.05);基因型频率的相对风险分析发现,AA型患心梗的风险是GG型及AG型的1.651倍(OR=1.651,95%CI:1.089~2.504).未检出+12959G/A多态性.结论ICAM-1+13848A/G基因多态性与湖北地区心梗易感性有关,+13848A等位基因可能是心梗发病的重要易感基因.
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