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白细胞介素4基因多态性及H.pylori感染与广西柳州地区胃癌易感性研究

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摘要 目的:探讨白细胞介素4(IL-4)基因多态性及幽门螺杆菌(H.pylori)感染与广西柳州地区胃癌易感性的相关性。方法:通过PCR检测H.pylori的尿素酶B亚单位(UreB)基因和半巢式聚合酶链式反应(semi-nestedPCR)对238例胃癌患者及112例健康对照者的IL-4-588位点进行多态性分析。结果:胃癌组和对照组H.pylori阳性者分别为142例(59.7%)和54例(48.2%),H.pylori阴性者分别为96例(40.3%)和58(51.8%),H.pylori感染率在两组间存在统计学差异(P<0.05)。胃癌组和对照组的IL-4-588基因型和等位基因频率分布处于遗传平衡状态且差异无统计学意义(P>0.05);与C/C型相比,C/T型和T/T型的个体患胃癌的风险在胃癌组和对照组之间均无明显差异(C/T型:OR=1.136,95%CI:0.374~3.499;T/T型:OR=1.346,95%CI:0.473~3.834);在对胃癌易感性的相关分析中,年龄、性别、吸烟、饮酒和H.pylori感染等因素与IL-4-588基因多态性之间不存在相关性。结论:IL-4-588基因多态性与广西柳州地区胃癌的发病风险无关,且在对胃癌易感性的相关分析中该位点多态性与年龄、性别、吸烟、饮酒和H.pylori感染等因素之间不存在交互作用。
出处 《广西医科大学学报》 CAS 2010年第1期48-51,共4页 Journal of Guangxi Medical University
基金 广西壮族自治区卫生厅科研基金资助项目(编号:Z2008335 Z2009225)
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