幽门螺杆菌感染胃黏膜上皮细胞对CD44v6表达的影响

Chinese Journal of Natural Medicine(2006)

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Abstract
目的评估螺杆状幽门螺杆菌(Hp)及其球形体感染胃黏膜上皮细胞对CD44v6表达的影响。方法幽门螺杆菌及其球形体与胃黏膜上皮细胞共生培养,免疫组化、RT-PCR检测CD44v6蛋白表达。结果免疫组化及RT-PCR检测,螺杆状Hp及其球形体感染人胃黏膜上皮细胞GES1,诱导CD44v6的表达与上调,且螺杆状Hp与球形体诱导CD44v6存在差异有统计学意义(P<0.05)。结论螺杆状Hp及其球形体感染导致胃黏膜CD44v6表达增加,提示CD44v6在Hp相关性胃炎、胃癌的发生过程中起作用,Hp球形体在Hp治疗复发的流行病学具有重要的意义。
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Key words
Coccoid form,Helicobacter pylori,CD44v6,Gastric cancer
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