2008
Differential Expression of the Human CD8β Splice Variants and Regulation of the M-2 Isoform by Ubiquitination
Thakral D, Dobbins J, Devine L, Kavathas PB. Differential Expression of the Human CD8β Splice Variants and Regulation of the M-2 Isoform by Ubiquitination. The Journal Of Immunology 2008, 180: 7431-7442. PMID: 18490743, DOI: 10.4049/jimmunol.180.11.7431.Peer-Reviewed Original ResearchConceptsCytoplasmic tailSplice variantsExpression patternsCell surfaceDifferent cytoplasmic tailsGene splice variantsMRNA expression patternsMRNA levelsFluorescent chimerasHuman genesHuman lineageDifferential mRNA expression patternsHeterodimer functionsExtracellular domainLysine residuesQuantitative RT-PCRDifferential expressionLysosomal compartmentTCR complexFunctional significanceIsoformsCD8B geneUbiquitinationCell linesPrimary human
2006
Mapping the Binding Site on CD8β for MHC Class I Reveals Mutants with Enhanced Binding
Devine L, Thakral D, Nag S, Dobbins J, Hodsdon ME, Kavathas PB. Mapping the Binding Site on CD8β for MHC Class I Reveals Mutants with Enhanced Binding. The Journal Of Immunology 2006, 177: 3930-3938. PMID: 16951356, DOI: 10.4049/jimmunol.177.6.3930.Peer-Reviewed Original ResearchConceptsMHC class IClass IT cellsT cell responsesEffective immune responseT cell recognitionT cell hybridomasT cell membraneImmune responseCoreceptor functionCell responsesCell hybridomasInfected cellsCell recognitionIdentified mutationsCD8alphaCoreceptorCD8betaCDR3 loopsCellsEnhanced bindingCD8ImmunotherapyCD8alphabetaCD8β
2004
Location of the epitope for an anti-CD8α antibody 53.6.7 which enhances CD8α-MHC class I interaction indicates antibody stabilization of a higher affinity CD8 conformation
Devine L, Hodsdon ME, Daniels MA, Jameson SC, Kavathas PB. Location of the epitope for an anti-CD8α antibody 53.6.7 which enhances CD8α-MHC class I interaction indicates antibody stabilization of a higher affinity CD8 conformation. Immunology Letters 2004, 93: 123-130. PMID: 15158607, DOI: 10.1016/j.imlet.2004.02.002.Peer-Reviewed Original ResearchAnimalsAntibodies, MonoclonalAntibody AffinityAntibody SpecificityBiotinylationCD8 AntigensChlorocebus aethiopsCOS CellsEgg ProteinsEpitope MappingEscherichia coliFlow CytometryH-2 AntigensHistocompatibility Antigens Class IMiceModels, MolecularMutagenesis, Site-DirectedOligopeptidesOvalbuminPeptide FragmentsProtein BindingProtein ConformationTransfection
2002
The Complementarity-Determining Region-Like Loops of CD8α Interact Differently with β2-Microglobulin of the Class I Molecules H-2Kb and Thymic Leukemia Antigen, While Similarly with Their α3 Domains
Devine L, Rogozinski L, Naidenko OV, Cheroutre H, Kavathas PB. The Complementarity-Determining Region-Like Loops of CD8α Interact Differently with β2-Microglobulin of the Class I Molecules H-2Kb and Thymic Leukemia Antigen, While Similarly with Their α3 Domains. The Journal Of Immunology 2002, 168: 3881-3886. PMID: 11937542, DOI: 10.4049/jimmunol.168.8.3881.Peer-Reviewed Original ResearchAmino Acid SequenceAmino Acid SubstitutionAnimalsAntigens, NeoplasmBeta 2-MicroglobulinCD8 AntigensComplementarity Determining RegionsCOS CellsDimerizationH-2 AntigensImmune SeraMembrane GlycoproteinsMiceMolecular Sequence DataMutagenesis, Site-DirectedPeptide FragmentsProtein BindingProtein Structure, SecondaryProtein Structure, TertiaryThymus GlandTransfection
2001
CD8 Binding to MHC Class I Molecules Is Influenced by T Cell Maturation and Glycosylation
Daniels M, Devine L, Miller J, Moser J, Lukacher A, Altman J, Kavathas P, Hogquist K, Jameson S. CD8 Binding to MHC Class I Molecules Is Influenced by T Cell Maturation and Glycosylation. Immunity 2001, 15: 1051-1061. PMID: 11754824, DOI: 10.1016/s1074-7613(01)00252-7.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsATP Binding Cassette Transporter, Subfamily B, Member 2ATP-Binding Cassette TransportersCD3 ComplexCD4-Positive T-LymphocytesCD8 AntigensCD8-Positive T-LymphocytesCell AdhesionCell DifferentiationCellular SenescenceGlycosylationH-2 AntigensHistocompatibility Antigen H-2DLigandsMacromolecular SubstancesMembrane GlycoproteinsMiceMice, Inbred BALB CMice, Inbred C57BLMice, KnockoutN-Acetylneuraminic AcidNeuraminidaseOvalbuminPeptide FragmentsProtein BindingProtein Processing, Post-TranslationalReceptors, Antigen, T-Cell, alpha-betaRheologySolubilityThymus GlandT-Lymphocyte SubsetsConceptsGlycosylation stateT cell maturationCell maturationT cell adhesionDevelopmental regulationDouble-positive thymocytesCell adhesionT cell activationClass I MHC tetramersAdhesion moleculesCell activationMHC class I moleculesMaturationClass I moleculesClass I MHC moleculesI MHC moleculesI moleculesMoleculesGlycosylationMHC ligandsRegulationMHC moleculesClass I MHCBindingSialylation
2000
Human CD8β, But Not Mouse CD8β, Can Be Expressed in the Absence of CD8α as a ββ Homodimer
Devine L, Kieffer L, Aitken V, Kavathas P. Human CD8β, But Not Mouse CD8β, Can Be Expressed in the Absence of CD8α as a ββ Homodimer. The Journal Of Immunology 2000, 164: 833-838. PMID: 10623829, DOI: 10.4049/jimmunol.164.2.833.Peer-Reviewed Original ResearchConceptsChimeric proteinIg domainsCell-cell adhesion assaysBeta-beta dimersCD8 alphaForms of CD8CD8 betaTyrosine kinase p56lckCOS-7 cellsMHC class IDisulfide-linked homodimerCD8 alpha alpha homodimerCysteine residuesKinase p56lckCD8 alpha alphaAlpha alpha homodimerLack of expressionAlpha polypeptide chainPolypeptide chainMature T cellsCell surfaceClass IBeta-IgBeta betaAbility of CD8
1999
Molecular analysis of protein interactions mediating the function of the cell surface protein CD8
Devine L, Kavathas P. Molecular analysis of protein interactions mediating the function of the cell surface protein CD8. Immunologic Research 1999, 19: 201-210. PMID: 10493174, DOI: 10.1007/bf02786488.Peer-Reviewed Original ResearchConceptsProtein interactionsForms of CD8Such protein interactionsTyrosine kinase p56lckDisulfide-linked homodimerCell surface glycoproteinMolecular detailsKinase p56lckMutational analysisMolecular analysisFunctional differencesCoreceptor CD8ProteinHistocompatibility complex class IAffinity measurementsMajor histocompatibility complex class IComplex class ICellsP56lckHomodimerHeterodimersCrystal structureClass IGlycoproteinInteraction