STAT4基因rs7574865多态性与中国汉族人群克罗恩病的相关性

Acta Universitatis Medicinalis Nanjing(Natural Science)(2012)

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Abstract
目的:分析信号转导及转录激活因子4(signal transducer and activator of transcription 4,STAT4)基因单核苷酸多态性(single nucleotide polymorphism,SNP)位点rs7574865 G>T的多态性与中国汉族人群克罗恩病发生的相关性.方法:选取汉族克罗恩病患者318例与健康对照者318例作为研究对象,抽提基因组DNA,采用聚合酶链式反应和直接测序方法检测STAT4基因SNP位点rs7574865的基因型,计算基因型与基因频率,采用x2检验进行组间比较.结果:STAT4基因rs7574865多态位点GG、GT和TT基因型频率在病例组中分别为0.110、0.431和0.459,在对照组中分别为0.097、0.450和0.453,G和T等位基因的频率在病例组分别为0.325和0.675,在对照组分别为0.322和0.678,该位点基因型和等位基因分布在病例组与对照组均无统计学差异(P> 0.05).结论:STAT4基因rs7574865 G>T位点单核苷酸多态性与中国汉族人群克罗恩病发生无明显相关性.
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Key words
Crohn's disease,Chinese Han population,single nucleotide polymorphism,signal transducer and activator of transcription 4
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