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肺癌组织中血管内皮生长因子受体的表达及其与转移和预后的关系 被引量:3

Expression of vascular endothelial growth factor receptor in lung cancer tissues and its relation to metastasis of lymph node and prognosis
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摘要 背景:血管内皮生长因子受体对许多实体瘤的血管生成和预后起着重要作用,但血管内皮生长因子受体与肺癌预后的关系研究报道较少.目的:探讨肺癌中血管内皮生长因子受体Flt1和KDR的表达及其与转移及预后的关系.设计:以病理标本为研究对象单一样本研究.单位:一所大学的病理学教研室.材料:随机选取青岛大学医学院附属医院胸外科1985-01/1990-12经手术切除的75个肺癌标本.2002-09/11月间在青岛大学医学院病理学教研室进行实验.方法:应用免疫组织化学Power Vision TM-9000(PV-9 000)法,测定75个肺癌标本中Flt1和KDR的表达.主要观察指标:肺癌中血管内皮生长因子受体Flt1和KDR的表达及其与年龄、性别、病理类型、组织学分级、肿瘤大小、淋巴结转移和预后的关系.肿瘤细胞、纤维母细胞中Flt1和KDR表达的关系.结果:肺癌组织中Flt1和KDR的表达较为广泛,主要位于肿瘤细胞胞浆及胞膜上,纤维母细胞和血管内皮细胞胞浆中亦有表达.Flt1和KDR在肿瘤细胞中的阳性率均显著高于在间质纤维母细胞中的表达(x2=6.07,5 88,P<0.05).肿瘤细胞及纤维母细胞中该两种受体的阳性率在不同年龄、不同性别及不同病理类型、不同病理分级之间差异均无显著性意义(P>0 05).肿瘤细胞中Flt1和KDR的阳性表达率在3组不同大小的肿瘤间差异均有显著性意义(x2=10 35,7.29,P<0.05),而纤维母细胞中差异均无显著性意义(x2=2 86,2.56,P>0 05);肿瘤细胞及纤维母细胞中Flt1和KDR的阳性率在淋巴结有、无转移2组间的差异均有显著性意义(x2=4.72~9.32,P<0.05),在3组不同术后生存时间患者间差异亦均有显著性意义(x2=8 81~19.19,P<0.05);肿瘤细胞中Flt1和KDR的表达呈极显著性正相关(r=0.44,P<0.01).结论:Flt1和KDR在肿瘤细胞中的表达均显著高于间质纤维母细胞,提示肺癌的生长主要依赖自分泌机制;肿瘤细胞中该两种受体的表达与淋巴结转移、术后生存时间有关,并具有协同效应,提示联合检测Flt1和KDR的表达,可能对肺癌转移及预后的评估更有参考价值.
出处 《中国临床康复》 CSCD 北大核心 2005年第6期206-208,i009,共4页 Chinese Journal of Clinical Rehabilitation
基金 山东省教育厅资助项目
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参考文献13

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同被引文献16

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