在Helicobacter pylori感染患者中对IL-17FA7488G多态的评估:一个病例控制研究
Ahmad Hormati1, Fateme S Mirtalebi Roknabadi2, Mohammad Aghaali3
1Gastroenterology and Hepatology Disease Research Center, Qom University of Medical Sciences, Qom, Iran.
介素17 (IL-17F) A7488G基因多态性没有与Helicobacter pylori感染有显著的联系. 然而,在IL-17F基因突变和H. pylori患者中cagA病毒性基因的存在之间发现了显著的关联.
科学领域:
- 遗传学和分子生物学
- 胃肠病学 胃肠病学
- 免疫学 免疫学 免疫学
背景情况:
- 干白素17 (IL-17) 涉及胃粘膜炎症和胃癌的发展.
- 在Helicobacter pylori (H. pylori) 感染中IL-17F A7488G多态的作用需要进一步调查.
研究的目的:
- 评估IL-17F A7488G多态和H. pylori感染之间的关联.
- 为了确定H. pylori的毒性因子,特别是caga基因,是否与IL-17F A7488G多态性相关.
主要方法:
- 研究包括86名成年人,分为H.pylori阳性和H.pylori阴性组.
- 使用快速尿酶试验和PCR确认了H. pylori感染.
- 在胃活检中的IL-17F A7488G多态性被使用PCR限制片段长度多态性与NlaIII酶分析.
主要成果:
- 大多数患者 (96.5%) 呈现AA基因型,没有多态.
- 只有三名感染了cagA阳性H. pylori菌株的患者显示IL-17F A7488G多态 (AG或GG基因型).
- 在IL-17F A7488G多态和H. pylori感染状态之间没有发现显著的关联,但在Caga基因的存在方面观察到了显著的差异.
结论:
- 这项研究是第一个报告IL-17F A7488G多态与H. pylori感染和cagA基因相关性的研究.
- 虽然IL-17F多态和H. pylori感染之间没有直接联系,但与cagA基因的相关性表明病原性细菌菌株在细胞因子基因突变中的潜在作用.
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