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1、《中國(guó)醫(yī)學(xué)創(chuàng)新》第11卷第l8期(總第300)2014~6月基礎(chǔ)研究JichuyanjiuIgG在人肝細(xì)胞肝癌中的表達(dá)及其臨床意義木張時(shí)超①黃愛(ài)全①侯婭慧①董翠婷①劉佳睿①?gòu)埥堍倥D娶佟菊磕康模貉芯磕[瘤源性IgG在人肝細(xì)胞肝癌中的表達(dá)和分布情況及其與臨床病理學(xué)指標(biāo)的關(guān)系。方法:分別應(yīng)用免疫組化二步法和原位雜交檢測(cè)60例肝細(xì)胞肝癌組織及其周圍正常肝組織中IgG蛋白和IgGmRNA的表達(dá),分析IgG的表達(dá)水平與9項(xiàng)肝細(xì)胞肝癌的臨床病理學(xué)指標(biāo)之間的關(guān)系。結(jié)果:肝癌組織中IgG的表達(dá)明顯高于其周圍正常肝組織,且兩者表達(dá)程度比較差異有統(tǒng)計(jì)學(xué)意
2、義(P=O.001);IgG在腫瘤組織中的異常高表達(dá)與腫瘤分化程度和pTNM分期呈負(fù)相關(guān)(r-一0.357,P=O.005;廠=一0.296,P=0.021),與血漿AFP濃度呈正相關(guān)(r=0.336,P=O.009),與年齡、性別、腫瘤包膜的完整性、腫瘤大小、腫瘤個(gè)數(shù)和一年內(nèi)是否復(fù)發(fā)或轉(zhuǎn)移無(wú)相關(guān)性(P>0.05)。結(jié)論:肝癌細(xì)胞所產(chǎn)生的IsG與腫瘤的分化、pTMN分期相關(guān),可能作為輔助肝細(xì)胞肝癌病理學(xué)診斷和預(yù)后評(píng)估的一項(xiàng)重要指標(biāo)?!娟P(guān)鍵詞】IgG;肝癌;臨床病理學(xué)指標(biāo);原位雜交;免疫組織化學(xué)lgGExpressioninHepatoc
3、ellularCarcinomaandItsSignificanceJZHANGShi—chao,HUANGAi-quan,HOUYa-hni。eta1.//MedicalInnovationofChina。2014,11(18):023-026【Abstract】Objective:ToinvestigatetheexpressionanddistributionofIgGinhumanlivercancercellsanditscorrelationwithclinic0pathol0gicalfactorsofhepatocell
4、ularcarcinoma.Method:Freshandparaffin-embeddedtissuesfrom60casesofHCCtumorwiththematchednormalliverspecimensweredetectedbytwo-stepimmunohistochemistryandinsituhybridizationfortheexpressionofIgGproteinandmRNArespectively.Therelationshipbetweencancer—derivedIgGexpressionan
5、d9clinic叩ath0logicaIfactorswereanalyzedstatistically.Result:Signalsof[gGproteininhepatocellularcarcinomacancercellswassignificantlystrongerthanthatinitscorrespondingnormaltissues(P=0.001);theover-expressionofIgGwasnegativelycorelatedwithseveralclinicopathologicalfactorss
6、uchastumordifferentiationgradeandpTNM(r=-0.357,P=0.005;r=--0.296,P=O.021),andpositivelyassociatedwithAFPconcentrationinserum(r=0.336,P=0.009).However,nocorelationshipwithage,gender,capsularinfiltration,tumorsize,tumorquantityandrecurrenceormetastasisofthediseasewithin1ye
7、arwasfound(P>0.05).Conclusion:Liver—cancer-derivedIgGmayhasaprofoundimpactonthediferentiationandpTNMstagingoflivercancercell,andmightbeservedasatumourmarkertohelppathologicaldiagnosisandevaluatetheprognosisforpatients.【Keywords】IgG;Livercancer;Clinicalpathologicalfactors
8、;Insituhybridization;ImmunohistochemistryFirst-author’Saddress:WeifangMedieialUniversity,Weifang261053,