2009
Cathepsin S Regulates Class II MHC Processing in Human CD4+ HLA-DR+ T Cells
Costantino CM, Ploegh HL, Hafler DA. Cathepsin S Regulates Class II MHC Processing in Human CD4+ HLA-DR+ T Cells. The Journal Of Immunology 2009, 183: 945-952. PMID: 19553543, PMCID: PMC2752291, DOI: 10.4049/jimmunol.0900921.Peer-Reviewed Original ResearchConceptsT cellsCathepsin S expressionSelf-Ag presentationClass II MHC moleculesClass II MHCT cell clonesCathepsin SII MHC moleculesCLIP expressionProfessional APCsConsequence of activationII MHCHuman CD4Presentation pathwayB cellsMHC moleculesEx vivoHLACell clonesInvariant chain proteolysisLysosomal proteasesS expressionCellsActivationCell surface
2008
Lysosomal Cysteine and Aspartic Proteases Are Heterogeneously Expressed and Act Redundantly to Initiate Human Invariant Chain Degradation
Costantino CM, Hang HC, Kent SC, Hafler DA, Ploegh HL. Lysosomal Cysteine and Aspartic Proteases Are Heterogeneously Expressed and Act Redundantly to Initiate Human Invariant Chain Degradation. The Journal Of Immunology 2008, 180: 2876-2885. PMID: 18292509, DOI: 10.4049/jimmunol.180.5.2876.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAntigen PresentationAntigens, Differentiation, B-LymphocyteAspartic Acid EndopeptidasesB-LymphocytesCD4-Positive T-LymphocytesCell Line, TransformedClone CellsCoculture TechniquesCysteine EndopeptidasesGene Expression Regulation, EnzymologicGenetic HeterogeneityHistocompatibility Antigens Class IIHLA-D AntigensHumansLysosomesMolecular Sequence DataProtease InhibitorsProtein Processing, Post-TranslationalConceptsAsparagine endopeptidasePeptide AgClass II MHC productsMyelin basic protein epitopeClass II MHCClass II invariant chainInvariant chain cleavageInvariant chain degradationPresentation of AgInvariant chain processingAEP inhibitionB cell linesDistinct allelic variantsII MHCMHC productsDifferent EBVMHC dimersAllelic variantsHuman AgInvariant chainAltered regulation