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碱性成纤维细胞生长因子及其受体在肾癌组织中的表达 被引量:10

Expressionofbasicfibroblastgrowthfactoranditsreceptorinrenalcelcarcinoma
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摘要 碱性成纤维细胞生长因子(bFGF)可诱发血管形成、刺激癌细胞生长。本研究试图通过检测bFGF及其受体FGFR-1在正常肾和肾癌组织的表达方式,探讨其临床意义。作者针对36例石蜡包埋的肾癌及其正常肾组织,配合微波炉抗原修复法进行bFGF和FGFR-1的LSAB免疫组化染色。结果显示:bFGF与FGFR-1的染色结果基本一致;全部正常肾组织和29例肾癌的细胞外基质为非均一性阳性染色;12例原发性肾癌、2例癌转移灶和体外培养的GRC-1细胞的癌细胞胞浆为阳性染色,且多为均一性染色。癌细胞胞浆的bFGF染色多见于T3-4期肿瘤,与T1-2期比较有显著性差异(P=0.02)。作者认为,bFGF和FGFR-1可同时表达于正常肾和肾癌组织,提示bFGF和FGFR-1的表达与功能密切相关;癌细胞胞浆bFGF阳性表达与肿瘤分期有关,提示bFGF是促进肾癌发展的原因之一。 Basicfibroblastgrowthfactor(bFGF)isapluripotentpolypeptidewhichplaysanim-portantroleintumorprogresionandangiogensis.Wedeterminedtheexpressionandlocalizationpat-ternsofbFGFandoneofitsreceptor(FGFR-1)innomalrenalaswelasinrenalcancers.Theresultswerecomparedwithclinicopathologicfeatures.UsingbFGFandFGFR-1antiboty,therepairingmethodofantigenwithmicrowaveovenheatingandLSABimmunohistochemistryweusedin36casesofparaf-finembeddedrenalcelcarcinoma(RCC)andtheirpairednormalrenaltissues.TheexpressionofbFGFandFGFR-1wasnearlyconsistent.ThenormalrenaltissuesandECMof29casesofrenalcancertisuesshowedheterogenousimmunoreactivities.Renalcancercelcytoplasmof12primarytumorsand2metastatictumors,asinthecytoplasmicbFGFofculturedGRC-1cels,werepositivelyhomogenousstained.ThebFGFandFGFR-1canbeconsistentlyexpressedinnormalrenalandrenalcancertissues,reflectingthattheexpressionandfunctionofthesesubstanceswerecloselyasociated.ThecytoplasmicbFGFexpressionofrenalcancerwasrelatedtotumorstages,suggestingthatbFGFplaysanimportantroleintheprogressionofrenalcelcarcinoma.
出处 《中华外科杂志》 CAS CSCD 北大核心 1996年第11期651-654,共4页 Chinese Journal of Surgery
关键词 肾肿瘤 单克隆抗体 成纤维细胞 生长因子 BFGF KidneyneoplasmAntibodies,monoclonalDiagnosis,surgical
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同被引文献28

  • 1胡波,贾永华,李小薇,王波,毛利民,吕申,应丽.碱性纤维母细胞生长因子(bFGF)的检测有助于判断肉瘤恶性程度[J].大连医科大学学报,2001,23(1):23-25. 被引量:4
  • 2李玲,刘毅智,吴宜林.卵巢恶性肿瘤VEGF mRNA和bFGF mRNA的表达及其意义[J].湖南医科大学学报,2000,5(4):406-408. 被引量:6
  • 3王绍农.碱性成纤维细胞生长因子的研究现状[J].微生物学免疫学进展,1995,23(4):240-243. 被引量:7
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