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胃癌组织中H.pylori-L型感染及骨桥蛋白、基质金属蛋白酶-2的表达 被引量:3

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摘要 目的通过检测胃癌组织中幽门螺杆菌L型(H.pylori-L型)感染以及骨桥蛋白(OPN)、基质金属蛋白酶(MMP)-2的表达情况,探讨H.pylori-L型感染对胃癌组织侵袭、转移生物学行为的影响以及其可能的机制。方法①应用革兰染色及免疫组化(SP)法检测120例胃癌组织中的H.pylori-L型感染情况;②应用SP法检测胃癌组织中的OPN和MMP-2的表达。分析H.pylori-L型感染与OPN、MMP-2表达的关系以及和临床病理因素之间的关系。结果①120例胃癌组织中有88例革兰染色检出H.pylori-L型;免疫组化H.pylori-L型抗原表达阳性率为70.8%,革兰染色H.pylori-L型检出和H.pylori-L型抗原表达同时阳性的病例有82例。②胃癌组织中H.pylori-L型阳性组的OPN和MMP-2表达阳性率均高于H.pylori-L型阴性组表达率(P均<0.005)。胃癌组织中H.pylori-L型阳性与OPN、MMP-2的阳性表达呈正相关(r=0.27,r=0.34,P均<0.001)。③胃癌中H.pylori-L型阳性与肿瘤的大小、癌细胞的血管侵袭、浸润深度及淋巴结转移具有相关性(P<0.001,P<0.05)。结论 H.pylori-L型感染是引起胃癌侵袭、转移的重要因素之一,促进胃癌的发展,其机制可能与胃癌组织的OPN和MMP2表达量增加有关。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2014年第2期311-313,共3页 Chinese Journal of Gerontology
基金 安徽省高校青年教师资助计划(2008jq1105) 安徽高校省级自然科学研究重点项目(KJ2007A098) 蚌埠市2007年度第一批科技项目(11)
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参考文献12

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