IL-10、TNF-α在不同菌型幽门螺杆菌感染消化性溃疡中的表达

被引:0
作者
游海梅
机构
[1] 南昌大学
关键词
IL-10; TNF-α; 幽门螺杆菌; 不同菌型; 消化性溃疡;
D O I
暂无
年度学位
2014
学位类型
硕士
导师
摘要
目的: 探讨不同菌型幽门螺杆菌(Helicobacter pylori, H. pylori)感染消化性溃疡(peptic ulcer, PU)患者血清白介素10(interleukin-10, IL-10)、肿瘤坏死因子-α(tumornecrosis factor-α, TNF-α)的表达,了解不同菌型H. pylori感染PU在免疫炎症反应方面的差异。 方法: 选择经电子胃镜检查诊断为PU的患者94例,进行内镜下胃黏膜活检快速尿素酶试验检测H. pylori感染状况,H. pylori阳性者再抽取静脉血进行H. pylori分型检测,采用免疫印迹法对血清H. pylori CagA、VacA、UreB、UreA等四项基因抗体进行检测;所有受检者均予抽血对其血清中IL-10、TNF-α的含量进行检测。 结果: H. pylori感染状况:94例PU中H. pylori阳性病例84例,H. pylori感染率为89.4%,H. pylori阳性病例中十二指肠球部溃疡(duodenal ulcer, DU)占66.7%(56/84),胃溃疡(gastric ulcer, GU)占33.3%(28/84),H. pylori阴性率为10.6%(10/94);Ⅰ型H. pylori感染64例(44例DU,20例GU);Ⅱ型H. pylori感染20例(12例DU,8例GU)。血清IL-10的表达状况:Ⅰ型H. pylori感染组检测值(31.51pg/mL±17.58pg/mL)略高于Ⅱ型H. pylori感染组(22.02pg/mL±13.50pg/mL),无统计学意义(p>0.05),但明显高于H. pylori阴性组检测值(18.87pg/mL±6.45pg/mL),统计学比较差异显著(p<0.05);Ⅱ型H. pylori感染组检测值与H. pylori阴性组比较无明显差异(p>0.05);Ⅰ型H. pylori感染及Ⅱ型H. pylori感染组中DU组检测值(32.25pg/mL±19.33pg/mL及18.57pg/mL±8.46pg/mL)与GU组检测值(29.86pg/mL±14.80pg/mL及27.20pg/mL±8.12pg/mL)比较无明显差异(p>0.05)。血清TNF-α的表达状况:Ⅰ型H. pylori感染组及Ⅱ型H. pylori感染组的检测值(42.66pg/mL±11.41pg/mL及28.67pg/mL±8.27pg/mL)与H. pylori阴性组(11.24pg/mL±4.31pg/mL)比较均明显增高(p<0.01,p<0.05);Ⅰ型H. pylori感染组与Ⅱ型H. pylori感染组比较明显升高(p<0.05);Ⅰ型H. pylori感染组中DU组检测值(47.13pg/mL±10.20pg/mL)与GU组检测值(32.85pg/mL±7.28pg/mL)比较明显升高(p<0.05);Ⅱ型H. pylori感染组中DU组检测值(28.83pg/mL±11.38pg/mL)与GU组检测值(28.42pg/mL±3.79pg/mL)比较无明显差异(p>0.05)。 结论: Ⅰ型H. pylori感染在H. pylori诱发PU特别是DU发病过程中起重要作用;血清IL-10的表达在不同菌型H. pylori感染及不同部位溃疡方面均无明显差异;血清TNF-α的表达在Ⅰ型及Ⅱ型H. pylori感染均增加,在Ⅰ型H. pylori感染尤为显著,且在DU的表达明显高于GU。
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