DNA实验--免疫细胞表面抗原分子CD家族对照表.docx

免疫细胞外表抗原分子CD家族对照表(CD1CD247)ExalphaBiologicalsproducesandsellsproductsforLifeScienceResearch,includingmonoclonalandpolyclonalantibodies,foruseinimmunohistochemistry,westernblot,ELISAandFlowCytometry.Weofferover800productsand,throughcollaborationswithotherscientistsaswellasourownin-houseR&Dprograms,Exalphacontinuestobringleadingedgeproductstomarket.OurfamilyofCDantibodiescombinesqualityandperformancewithreasonablepricestomakeourCDantibodiesthebestvalueinthemarkettoday.OurfamilyofProliferationproductsoffereasyall-in-onekitsorstandaloneantibodiestoquantitateproliferatingcells.Takealookatourwebsiteorcallusforadditionalinformation.NoteinoinformationisavailableonCDw145,CD181,CD182,CD185-194,CD196-199.CD211,CD214-216,CD218-220,CD237BackgroundCDxlusterdesignationofmonoclonalantibodies(clustersofdifferentiation)Designatedatthe1stto7thWorkshopsonInternationalHumanLeukocyteDifferentiationAntigensThelastconferencewasin2000.Thenextconferenceisin2004.HLDAWorkshopsaretheprimarymechanismtocharacterizeleukocytesurfaceantigenicmoleculesandepies;erythroidantigensarenowincludedFor1stto6thworkshops,antibodiesweresubmittedtotheorganizinglaboratory,codedandsenttoparticipatinglaboratoriesfortestingagainstvariouscelltypes.Forthe7thworkshop,aCDdesignationcouldbeestablishedforamoleculeifitsgenehasbeenclonedandatleastonespecificmonoclonalantibodyhadbeenstudiedintheWorkshopInterpretationshouldbebasedoncellulardistributionofstaining,proportionofpositivelystainedcells,stainingintensityandcutofflevels.CD1Familyofnon-polymorphicMHCclassI-IikeglycoproteinsAlsomemberofimmunoglobulinsuperfamilyOnchromosomelq22-23(notMHClinked)Has5differentsubsets,allnoncovalentlyassociatedwith12kdbeta2microglobulinFunctionirestrictTcellresponsestocertainantigens;maymediatethymicTcelldevelopmentPositivestaining(normal):corticalthymocytes(70%),activatedTcells,Langerhanscells,interdigitatingdendriticcellsPositivestaining(disease):preTALLwithcorticalthymocytephenotype;LangerhanscellhistiocytosisNegativeStainingimatureperipheralTcellsCDlaPositivestaining(normal):Dendriticcellsindermis/epidermisofbenigninflammatoryskindisordersPositivestaining(disease)±angerhanscellhistiocytosis(fairlyspecific),myeloidleukemias,someBcellmalignancies;dendriticcellsinmostperipheralcutaneousTcellIymphomassAJCP2001;116:72NegativeStainingznormalBcells,mostcutaneousperipheralBcelllymphomas(?reflectsreplacementofreactivepatterncontainingdendriticcellswithaneoplasticpatternofBcells)MicroImageszLangerhanscellhistiocytosisMicroimages(AJSPsubscribers):pulmonaryLangerhanscellhistiocytosisMicroimages(HumPathsubscribers)±angerhanscellhistiocytosisReferenceszAJSP2001;25：630CDlbPositivestaining(disease):myeloidleukemiasandsomeBcellmalignanciesNegativeStainingznormalBcellsCDlcPositivestaining(normal):subsetofnormalperipheralBcellsPositivestaining(disease):myeloidleukemiasandsomeBcellmalignanciesNegativeStainingmormalBcellsCDldPositivestaining(normal):thymus(lowlevels),bowelCDleCD2AkaErosettereceptor,LFA-2(leukocytefunctionantigen)FunctionzbindsCD58/LFA-3onantigen-presentingcells,andinducescostimulatorysignalsinTcellsAlsoregulatesTandNK-mediatedcytolysis,inhibitsapoptosisofactivatedperipheralTcells,mediatesTcellcytokineproduction,regulatesTcellanergyPositivestaining(normal):thymocytes(95%),matureperipheralTcells(almostall),NKcells(80-90%),thymicBcells(50%)Microimages:extranodalNK/Tcelllymphoma,nasaltypeCD2RCD2epiesrestrictedtoactivatedTcellsPositivestainingactivatedTcells,?NKcellsCD3AkaOKT3Functionzcomplex(5chains)ofintegralmembraneglycoproteinsassembledasacomplex;haslongcylasmictailwithantigenrecognitionactivationmotif;complexisthendownregulatedAlsosubdividedintodelta,epsilon,gammasubtypesCylasmicexpressionatearlyTcelldifferentiation,thenmembranousexpressionMostspecificTcellantibodyPositivestaining(normal):thymocytes,peripheralTcells,NKcells;alsoPurkinjecellsofcerebellumPositivestaining(disease):80%ofTcelllymphomasNegativestaining:gammadeltaTcellreceptors,mostBcelllymphomasMicroimages:CD3epsilon-testicularNK/Tcelllymphoma(figure3D)Microimages(AJSPsubscribers):achalasia,post-transplantlymphoproliferativediseaseinliverReferenceszAJSP2001;25：1413CD4Aka0KT4,Thelper/inducerOnchromosome#12pNonpolymorphousglycoproteinsbelongingtoimmunoglobulinsuperfamilyServesasHIVreceptoronTcells(asdoChemokinereceptorsCCR5andCXCR4),macrophages,brainCD4+TcellsarekilledbyHIVCoreceptorinMHCclass!1-restrictedantigeninducedTcellactivationBindstononpolymorphicregionofclassImolecules;mayincreaseavidityofcell-cellinteractionsPositivestaining(normal):thymocytes(80-90%),matureTcells(65%,ThelperandCD4CD8+thymocytes),macrophages,Langerhanscells,dendriticcells,granulocytesPositivestaining(disease):pityriasislichenoidesMicroimages:acutedemyelinatingdisease,extranodalNK/Tcelllymphoma,nasaltypeCD5BelongstoancientscavengerreceptorfamilyIsphysicallyandfunctionallycoupledwithTcellreceptor-zeta