PD-L1和PD-1在非小细胞肺癌中的表达及其临床意义-马薇

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2011279··doi:10.3969/j.issn.1006-5725.2011.09.013:(:81060200);(:0993003C-1):530021,:E-mail:luodianzhong@yahoo.com.cn(non-smallcelllungcancer,NSCLC),。NSCLC,。T,TTCR。PD-L1/B7-H1B7T,PD-L1PD-1,CD4CD8T,,,[1-3]。PD-L1PD-1NSCLC,NSCLCNSCLC。11.12005-2006NSCLC47。28,19,29~74,59,。WHOUICC(2009)、,28,19;+23,+24。10%,,4μm。1.247、,PD-L1PD-1:PD-L1PD-1(NSCLC)、。:47NSCLC,NSCLCPD-L1PD-1,。:PD-L148.93%(23/47)61.70%(29/47),(P<0.05),(P<0.05)。PD-1,PD-1+PD-L1(P<0.05)。:PD-L1NSCLC、、PD-1。,;PD-L1;PD-1ExpressionandclinicalsignificanceofPD-L1andPD-1innon-smallcelllungcancerMAWei,LUODian-zhong,CHENYuan,DANGYi-wu.DepartmentofPathology,GuangxiMedicalUniversity,Nanning530021,ChinaCorrespondingauthor:LUODian-zhongE-mail:luodianzhong@yahoo.com.cn【Abstract】ObjectiveToinvestigatethecorrelationbetweentheexpressionofPD-1andPD-L1innon-smallcelllungcancer(NSCLC)andclinicalparameters.MethodsSamplesfrom47patientswithNSCLCwereexaminedforPD-L1andPD-1expressionbyimmunohistochemicalstaining.ResultsThepositiverateofPD-L1expressioninthecancernestsandthestromawere48.93%(23/47)and61.70%(29/47)respectively,whichwaspositivelycorrelatedwiththetumorstageandlymphnodemetastasis(P<0.05),negativelywithpostoperativeprognosis(P<0.05).PD-1positivitywasmostfrequentlyobservedinstromaltumor-infiltratinglymphocytes.ThenumberofPD-1positivelymphocytewascorrelatedwithPD-L1positiveexpression(P<0.05).ConclusionExpressionofPD-L1inNSCLCissignificantlycorrelatedwiththeclinicopathologicalvariablesandpostoperativeprognosisofpatients.【Keywords】Carcinoma,non-small-celllung;PD-L1;PD-115512011279(200912),。16,31。1.3PD-L1PD-1Elivison,4℃,30min,DAB。PD-L1(1∶100),SPRINGBIOSCIENCE;PD-1(1∶100)ABCOM。1.4PD-L1Al-Shibli[4],,。5(×400),PD-L1:0,1,2,3;;≤10%1,10%~50%2,>50%3。≥3。。PD-1。PD-1:,5(×400),,PD-1。47PD-1,PD-1PD-1PD-1。1.5SPSS13.0,,χ2Fisher,Kaplan-MeierLog-rank,P<0.05。22.1PD-L1PD-1PD-L1。,,,,,;(1)。。,61.70%(29/47),PD-L148.93%(23/47);19PD-L1,PD-L1。PD-1(2),19PD-1。2.2NSCLCPD-L1PD-147NSCLC,PD-10~19,(6.15+2.56),6.15,PD-128,19。χ2,NSCLCPD-L1PD-1(P<0.05,1)。2.3NSCLCPD-L1PD-1NSCLC2,PD-L1(P<0.05)、(P<0.05),。PD-1。2.4NSCLCPD-L1PD-147Kaplan-Meier,PD-L1。PD-L1(P<0.05)。PD-1。3。3PD-L19,290。PD-L1,T、B、[4]。PD-L1CD28PD-1(programmeddeath)。PD-1T211PD-L1NSCLC(EnVision,)2PD-1NSCLC(EnVision,)2819-153+1316P0.009-186+1013P0.028PD-L1PD-L1PD-11NSCLCPD-L1PD-1155220112793NSCLCPD-L1PD-1≥60<60+++≤3cm>3cmLN281922252324192829185422225-135126135810144414135+15141019101911181514128920P0.1640.3850.0120.6850.0740.0630.003-141014101681113177123149+1498157168151211419716P0.8590.1060.0130.4400.1880.1880.028PD-L1PD-L12NSCLCPD-L1,PD-LT,T。[5]。PD-L1NSCLC、,[6],PD-L1。PD-L1,Wu[7]PD-L1T。PD-L1PD-1。,PD-L1T,NSCLC,。PD-L1NSCLC,。PD-1,PD-L1,PD-L1。PD-L1NSCLCPD-1。PD-L1PD-1,PD-L1。,15532011279PD-L1PD-1,T,CD4CD8T,。PD-1PD-L1,PD-1,PD-1,PD-L1。。[8]。,PD-L1CD8T,Foxp3TregsT。,PD-L1NSCLCPD-1。NSCLC,PD-1,。,,。4CarterL,FouserLA,JussifJ,etal.PD-1:PD-LinhibitorypathwayaffectsbothCD4(+)andCD8(+)TcellsandisovercomebyIL-2[J].EurJImmunol,2002,32(3):634-643.LatchmanY,WoodCR,ChernovaT,etal.PD-L2isasecondligandforPD-1andinhibitsTcellactivation[J].NatImmunol,2001,2(3):261-268.DongH,ZhuG,TamadaK,etal.B7-H1,athirdmemberoftheB7family,co-stimulatesT-cellproliferationandinterleukin-10secretion[J].NatMed,1999,5(12):1365-1369.Al-ShibliK,Al-SaadS,DonnemT,etal.Theprognosticvalueofintraepithelialandstromalinnateimmunesystemcellsinnon-smallcelllungcarcinoma[J].Histopathology,2009,55(3):301-312.HaspotF,FehrT,GibbonsC,etal.PeripheraldeletionaltoleranceofalloreactiveCD8butnotCD4TcellsisdependentonthePD-1/PD-L1pathway[J].Blood,2008,112(5):2149-2155.KonishiJ,YamazakiK,AzumaM,etal.B7-H1expressiononnon-smallcelllungcancercellsanditsrelationshipwithtumor-infiltratinglymphocytesandtheirPD-1expression[J].ClinCancerRes,2004,10(15):5094-5100.WuK,KryczekI,ChenL,etal.KupffercellsuppressionofCD8+TcellsinhumanhepatocellularcarcinomaismediatedbyB7-H1/programmeddeath-1interactions[J].CancerRes,2009,69(20):8067-8075.,,,.CD4+CD25highTr[J].,2009,25(13):2060-2062.(:2010-10-22:)[1][2][3][4][5][6][7][8]doi:10.3969/j.issn.1006-5725.2011.09.014:072750,58,、220094。2,,,,,。:,。。,,。:。,,4,,,、,,,,,16m。,6d。:。,44,120098。1,,,、,。。。,,。,,,。,,,,,2cm×3cm×6cm。:。,,,。。。,,。、。(:2010-12-10:)21554

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