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《HBV感染相关性原发性肝癌患者外周血及肝组织中T细胞、NK细胞亚群及NKT细胞变化特点-论文.pdf》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、江苏医药2014年6月第40卷第11期JiangsuMedJ,June2014,Vol40,No.11·论著·HBV感染相关性原发性肝癌患者外周血及肝组织中T细胞、NK细胞亚群及NKT细胞变化特点曹淑风郝迎迎夏娟刘勇黄睿武抗抗杨晨辰仇毓东吴亚夫吴超【摘要】目的探讨HBV感染相关性原发性肝癌(PHC)患者外周血与肝组织中T细胞亚群变化及其表面程序性死亡受体1(PD-1)表达、自然杀伤(NK)细胞亚群及自然杀伤T(NKT)细胞变化的特点。方法采用流式细胞仪检测PHC患者(A组,25例)外周血、PHC癌组织、癌旁组织(距癌边缘<2cm)、周围组织(距癌边缘≥2cm)和肝血管瘤、肝
2、内外胆管结石行半肝切除者(B组,21例)外周血和肝组织中T细胞亚群及其表面PD-1表达、NK细胞亚群及NKT细胞的比例。结果外周血中A组CD4T细胞、CD8T细胞及其表面PD-1表达、CD56gNK细胞、CD56'~NK细胞、NKT细胞、CI)4/CD8T及CD56bright/CD56amNK比值均与B组相仿(P>O.05)。A组PHC癌组织的CD8’。T细胞、CD56earnNK细胞和NKT细胞比例均低于癌旁组织、周围组织及B组肝组织(P3、结论HBV感染相关性PHC患者癌组织微环境中存在明显细胞免疫失衡;抗肿瘤效应细胞比例显著降低及PD-1的高表达可能是PHC肿瘤免疫逃逸机制之一。【关键词】原发性肝癌;T细胞亚群;自然杀伤细胞亚群;自然杀伤T细胞;程序性死亡受体1【中图分类号】R735【文献标识码】A【文章编号】0253—3685(2014)11—1270—04CharacteristicsofTcellsubsets,NKcellsubsetsandNKTcellsinperipheralbloodandlivertissuesofHBV-relatedprimaryhepaticcarcinomaCAOS4、hufeng,HAOYingying,XIAJuan,eta1.DepartmentofInfectiousDiseases,NanjingDrumTowerHospitaI,NanfingUniversityMedicalSchool,Nanjing210008。CHINA[Abstract]ObjectiveToexplorethecharacteristicsofTcellsubsets,naturalkiller(NK)cellsubsetsandNKTcellsinperipheralbloodandlivertissuesofhepatitisBvirus(HB5、V)一relatedprimaryhepaticcarcinoma(PHC).MethodsWithflowcytometry,Tcellsubsetsandprogrammeddeathreceptors1(PD-1)expressiononTcellsubsets,NKcellsubsetsandNKTcellsweredetectedin25patientswithHBV-relatedPHC(groupA)and21norlnalcontrols(groupB).ThesamplestakenfromgroupAincludedperipheralblood,PHC6、tissues,tumor-adjacentnon-carcinomatissues(<2cmawayfromPHO,thetissuessurroundingnon-carcinoma(≥2cmawayfromPHC)andthosetakenfromgroupBwerethenorma1livertissues.ResultsTherewerenosignificantdifferencesinthepercentagesofCD4Tcells,CD8TcellsandtheexpressionofPD-1onTcellsubsets,CD56brighNKcells,7、CD56NKcellsandNKTcellsaswellastheratioofCD4‘_/CD8andCD56曲/CD56betweentwogroups(P>0.05).ThepercentageofCD8Tcells。CD56NKcellsandNKTcellsinPHCtissuesweresignificantlylower,butthepercentagesofCD4Tcells,theratioofCIN/CD8。。,andPD一1expressionwerehigher。thanthoseintum
3、结论HBV感染相关性PHC患者癌组织微环境中存在明显细胞免疫失衡;抗肿瘤效应细胞比例显著降低及PD-1的高表达可能是PHC肿瘤免疫逃逸机制之一。【关键词】原发性肝癌;T细胞亚群;自然杀伤细胞亚群;自然杀伤T细胞;程序性死亡受体1【中图分类号】R735【文献标识码】A【文章编号】0253—3685(2014)11—1270—04CharacteristicsofTcellsubsets,NKcellsubsetsandNKTcellsinperipheralbloodandlivertissuesofHBV-relatedprimaryhepaticcarcinomaCAOS
4、hufeng,HAOYingying,XIAJuan,eta1.DepartmentofInfectiousDiseases,NanjingDrumTowerHospitaI,NanfingUniversityMedicalSchool,Nanjing210008。CHINA[Abstract]ObjectiveToexplorethecharacteristicsofTcellsubsets,naturalkiller(NK)cellsubsetsandNKTcellsinperipheralbloodandlivertissuesofhepatitisBvirus(HB
5、V)一relatedprimaryhepaticcarcinoma(PHC).MethodsWithflowcytometry,Tcellsubsetsandprogrammeddeathreceptors1(PD-1)expressiononTcellsubsets,NKcellsubsetsandNKTcellsweredetectedin25patientswithHBV-relatedPHC(groupA)and21norlnalcontrols(groupB).ThesamplestakenfromgroupAincludedperipheralblood,PHC
6、tissues,tumor-adjacentnon-carcinomatissues(<2cmawayfromPHO,thetissuessurroundingnon-carcinoma(≥2cmawayfromPHC)andthosetakenfromgroupBwerethenorma1livertissues.ResultsTherewerenosignificantdifferencesinthepercentagesofCD4Tcells,CD8TcellsandtheexpressionofPD-1onTcellsubsets,CD56brighNKcells,
7、CD56NKcellsandNKTcellsaswellastheratioofCD4‘_/CD8andCD56曲/CD56betweentwogroups(P>0.05).ThepercentageofCD8Tcells。CD56NKcellsandNKTcellsinPHCtissuesweresignificantlylower,butthepercentagesofCD4Tcells,theratioofCIN/CD8。。,andPD一1expressionwerehigher。thanthoseintum
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