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1、食管鱗癌組織中HIF1α及FHIT蛋白的表達及意義【摘要】目的:研究缺氧誘導(dǎo)因子?1α(HIF?1α)及脆性組氨酸三聯(lián)體基因(FHIT)蛋白在食管鱗癌組織中的表達及其意義。方法:應(yīng)用免疫組織化SP法檢測48例食管鱗癌及癌旁組織中HIF?1α及FHIT蛋白的表達,分析其與食管鱗癌病理特征的關(guān)系。結(jié)果:食管鱗癌組織中HIF?1α的總陽性表達率明顯高于癌旁組織(P<0.05),而FHIT蛋白的總陽性表達率明顯低于癌旁組織(P<0.05);在食管鱗癌組織中HIF?1&alp
2、ha;的表達與FHIT蛋白的表達呈負相關(guān)(P=0.006,r=-0.392);HIF?1α及FHIT蛋白在食管鱗癌組織中的表達與浸潤深度(pTNM分期)及淋巴結(jié)轉(zhuǎn)移有明顯關(guān)系(P<0.05),而HIF?1α表達還與癌組織分化程度相關(guān)(P<0.05),但均與年齡、性別等因素?zé)o關(guān)(P>0.05)。結(jié)論:HIF?1α及FHIT蛋白的異常表達在食管鱗癌的發(fā)生、發(fā)展中起重要作用,在一定程度上反映了食管鱗癌侵襲性強弱,且HIF?1α高表達與FHIT蛋白低表達存在相關(guān)性,F(xiàn)
3、HIT的檢測有利于食管鱗癌患者的早期診斷?!娟P(guān)鍵詞】缺氧誘導(dǎo)因子?1α;脆性組氨酸三聯(lián)體基因;食管鱗癌 ExpressionsandsignificancesofHIF?1αandFHITproteininesophagealsquamouscarcinomatissue HEZhong?liang,ZHOUHong?yan (DepartmentofGastroenterology,CentralHospitalinQianjiangQianjiang433100,China) Viespe
4、cialist:Itiscreative,andofcertainscientificandeducationalvalue. [ABSTRACT]Objective:TostudytheexpressionsofHIF?1αandFHITproteininesophagealsquamouscarcinomatissue.Methods:ByusingS?Pmethodofimmunohistochemicaltechnique,theexpressionofHIF?1αandFHITprotei
5、nin48specimensofesophagealsquamouscarcinomatissueanditscorrespondingadjacenttissuouscarcinomatissuearkablystrongerthanthatinitscorrespondingadjacenttissue(P<0.05),ouscarcinomatissue(P<0.05).Thereouscarcinomatissue(P<0.01,r=-0.392).TheexpressionofHIF?1&alph
6、a;andFHITproteininesophagealsquamouscarcinomatissueorstage)andlymphnodemetastasis(P<0.05),andtheexpressionofHIF?1αors(P<0.05),buthadnocorrelationalexpressionsofHIF?1αandFHITproteininesophagealsquamouscarcinomatissuesuggestthattheyprobablyplaysomer
7、olesintheoriginanddevelopmentofesophagealsquamouscarcinoma,anditreflectsthedifferentiationandinvasivepotentialofesophagealsquamouscarcinomtissuestosamedegrees.ThereissignificantcorrelationbetinationofFHITmayhelpinearlydiagnosisofesophagealsquamouscellcarcinomapatie
8、nts. [KEY分期:Ⅰ期8例,Ⅱ期6例,Ⅲ期20例,Ⅳ期14例;有淋巴結(jié)轉(zhuǎn)移者27例,無淋巴結(jié)轉(zhuǎn)移者21例;癌旁正常組織取自上述標本中距腫瘤邊緣6cm以上的食管上皮,并經(jīng)病理檢查排除腫瘤累及。取材標本經(jīng)中性福爾馬林固定、脫水、常規(guī)石蠟包埋,制備4mm連續(xù)切片,并經(jīng)HE染色,進行病理診