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时间:2019-05-26
《环氧化酶-2在乳腺癌中的表达及与血管生成的关系》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、环氧化酶一2在乳腺癌中的表达及与血管生成的关系庄晓明8周祀侨6(南京大学医学院附属鼓楼医院a.普外科;b.病理科,江苏南京210008)[摘要]【目的】检测环氧化酶一2(COX一2)在乳腺癌组织中的表达,研究其与乳腺癌临床病理特征及微血管密度(MVD)、血管内皮生长因子(VEGF)之间的关系。探讨COX一2对乳腺癌血管生成的作用和意义。【方法】应用免疫组化法检测73例乳腺癌标本中COX-2、VEGF的表达和0D34标记的MVD值。【结果]73例病例中57例COX-2表达阳性,表达率为78.1%(57/73),而中度以上表达率为47.9%(35/73);COX
2、一2表达程度与患者年龄、肿瘤直径及HER一2/neu表达程度无关(P>0.05),但与腋淋巴结转移状况和肿瘤分期有关(P3、cino。maZHUANGXiao-ming,zHOUSi—qiaoLDepartmentoJ’GeneralSurgery。theA{{;liatedDrumTowerHospitalofNanjingUniversityMedicalSchool,Nanjing210008,(五ina)[Abstract][Objective]Todetecttheexpressionofcyclooxygenase-2(COX-2)inbreastcarcinomatissueandtOinvestigatetherelationshipbetweenitsexpre4、ssionlevelandthemicrovesseldensity(MVD),vascularendothelialgrowthfactor(VEGF)andotherclinicopath0109icparametersoftheobjecttissue.[Methods]Thesamplesfrom73patientswithbreastcarcinomawereanalyzedtOdetecttheCOX-2,MVDandVEGFexpres—sionwithimmunohistochemistry.[Results]ExpressionofCOX-5、2wasdetectedin78.1%ofbreastcarcinomasamples(57/71),amongwhichtheexpressionabovemidrangewas47.9%(35/73),anditsexpressionlevelwasassociatedsignificantlywithaxillarylymphnodemetastasisandstageofthetumor(P6、R一2/neuexpressionandpatientsage(P>0.05).Inaddition,MVDandVEGFscorewassignificantlydifferentbetweenCOX-2high-expres—sioncasesandCOX一2low-expressioncases(P<0.01).[Conclusion]ThedatasuggestthatexpressionofCOX—-2maypromotetheangiogenesisoftumorandinfluencethedevelopmentandprogressionof7、breastcarci。。noma.[Keywords]breastneoplasms/PA#prostaglandin-endoperoxidesynthase/AN;neovascularization,pathologic[中围分类号]R737.9[文献标识码]A[文章编号]1671-7171(2008)06-1059-03环氧化酶-2(cyclooxygenase-2,COX一2)是前列腺素合成过程中的关键限速酶,近年研究发现,胃肠道肿瘤、肝癌、乳腺癌、黑色素瘤等多种肿瘤组织中均有COX-2的高表达,它通过促进肿瘤细胞的增殖,抑制凋亡,促进肿瘤新生血8、管形成等机制,参与肿瘤的发生、发展[1]。本文应用免
3、cino。maZHUANGXiao-ming,zHOUSi—qiaoLDepartmentoJ’GeneralSurgery。theA{{;liatedDrumTowerHospitalofNanjingUniversityMedicalSchool,Nanjing210008,(五ina)[Abstract][Objective]Todetecttheexpressionofcyclooxygenase-2(COX-2)inbreastcarcinomatissueandtOinvestigatetherelationshipbetweenitsexpre
4、ssionlevelandthemicrovesseldensity(MVD),vascularendothelialgrowthfactor(VEGF)andotherclinicopath0109icparametersoftheobjecttissue.[Methods]Thesamplesfrom73patientswithbreastcarcinomawereanalyzedtOdetecttheCOX-2,MVDandVEGFexpres—sionwithimmunohistochemistry.[Results]ExpressionofCOX-
5、2wasdetectedin78.1%ofbreastcarcinomasamples(57/71),amongwhichtheexpressionabovemidrangewas47.9%(35/73),anditsexpressionlevelwasassociatedsignificantlywithaxillarylymphnodemetastasisandstageofthetumor(P6、R一2/neuexpressionandpatientsage(P>0.05).Inaddition,MVDandVEGFscorewassignificantlydifferentbetweenCOX-2high-expres—sioncasesandCOX一2low-expressioncases(P<0.01).[Conclusion]ThedatasuggestthatexpressionofCOX—-2maypromotetheangiogenesisoftumorandinfluencethedevelopmentandprogressionof7、breastcarci。。noma.[Keywords]breastneoplasms/PA#prostaglandin-endoperoxidesynthase/AN;neovascularization,pathologic[中围分类号]R737.9[文献标识码]A[文章编号]1671-7171(2008)06-1059-03环氧化酶-2(cyclooxygenase-2,COX一2)是前列腺素合成过程中的关键限速酶,近年研究发现,胃肠道肿瘤、肝癌、乳腺癌、黑色素瘤等多种肿瘤组织中均有COX-2的高表达,它通过促进肿瘤细胞的增殖,抑制凋亡,促进肿瘤新生血8、管形成等机制,参与肿瘤的发生、发展[1]。本文应用免
6、R一2/neuexpressionandpatientsage(P>0.05).Inaddition,MVDandVEGFscorewassignificantlydifferentbetweenCOX-2high-expres—sioncasesandCOX一2low-expressioncases(P<0.01).[Conclusion]ThedatasuggestthatexpressionofCOX—-2maypromotetheangiogenesisoftumorandinfluencethedevelopmentandprogressionof
7、breastcarci。。noma.[Keywords]breastneoplasms/PA#prostaglandin-endoperoxidesynthase/AN;neovascularization,pathologic[中围分类号]R737.9[文献标识码]A[文章编号]1671-7171(2008)06-1059-03环氧化酶-2(cyclooxygenase-2,COX一2)是前列腺素合成过程中的关键限速酶,近年研究发现,胃肠道肿瘤、肝癌、乳腺癌、黑色素瘤等多种肿瘤组织中均有COX-2的高表达,它通过促进肿瘤细胞的增殖,抑制凋亡,促进肿瘤新生血
8、管形成等机制,参与肿瘤的发生、发展[1]。本文应用免
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