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幽门螺杆菌感染与细胞因子单核苷酸多态性 被引量:2

Relationship between Helicobacter pylori infection and single nucleotide polymorphism of cell factor
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摘要 单核苷酸多态性(singlenucleotidepolymorphisms,SNP)指基因组内特定核酸位置上存在两种不同的碱基,其中最少一种在群体中的频率不小于1%.研究发现SNP与疾病的遗传易感性密切相关.细胞因子(cytokine,CK)是由活化的免疫细胞和某些基质细胞分泌的具有高活性、多功能的小分子多肽类物质,通过与特异性受体结合发挥前炎症因子的生物学效应.目前的分类有:白细胞介素(IL)、肿瘤坏死因子(TNF)、干扰素(IFN)等.幽门螺杆菌Hpylori感染能导致细胞因子表达增加,胃黏膜炎症反应加重,引起炎症损伤.近年来,细胞因子单核苷酸多态性与Hpylori感染在胃疾病的发生过程中的关系的研究备受重视,现综述如下.
作者 陈威 袁媛
出处 《世界华人消化杂志》 CAS 北大核心 2005年第17期2108-2114,共7页 World Chinese Journal of Digestology
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