2024
RORγt up-regulates RAG gene expression in DP thymocytes to expand the Tcra repertoire
Naik A, Dauphars D, Corbett E, Simpson L, Schatz D, Krangel M. RORγt up-regulates RAG gene expression in DP thymocytes to expand the Tcra repertoire. Science Immunology 2024, 9: eadh5318. PMID: 38489350, PMCID: PMC11005092, DOI: 10.1126/sciimmunol.adh5318.Peer-Reviewed Original ResearchConceptsRecombination activating geneDP thymocytesUp-regulatedAntigen receptor lociDouble-positive (DP) stageRAG expressionTranscriptional up-regulationDouble-negative (DNRAG gene expressionActive genesTcra repertoireReceptor locusDN thymocytesGene expressionThymocyte transitionLymphocyte developmentThymocyte proliferationPhysiological importanceMultiple pathwaysRORgtThymocytesExpressionRepertoireRecombinationAntisilencing
2017
Immature Lymphocytes Inhibit Rag1 and Rag2 Transcription and V(D)J Recombination in Response to DNA Double-Strand Breaks
Fisher MR, Rivera-Reyes A, Bloch NB, Schatz DG, Bassing CH. Immature Lymphocytes Inhibit Rag1 and Rag2 Transcription and V(D)J Recombination in Response to DNA Double-Strand Breaks. The Journal Of Immunology 2017, 198: 2943-2956. PMID: 28213501, PMCID: PMC5360515, DOI: 10.4049/jimmunol.1601639.Peer-Reviewed Original ResearchConceptsDNA double-strand breaksDNA damage responseRAG1/RAG2Double-strand breaksRAG DNA double-strand breaksMultiple genomic locationsTranscription of genesNF-κB transcription factorsDSB responseGenomic integrityGenomic locationATM kinaseTranscriptional repressionRAG cleavageCellular functionsDamage responseLocus recombinationMammalian cellsRAG1 proteinTranscription factorsModulator proteinRAG expressionAtaxia telangiectasiaTranscriptional inhibitionDevelopmental stages
1991
Thymocyte Expression of RAG-1 and RAG-2: Termination by T Cell Receptor Cross-Linking
Turka L, Schatz D, Oettinger M, Chun J, Gorka C, Lee K, McCormack W, Thompson C. Thymocyte Expression of RAG-1 and RAG-2: Termination by T Cell Receptor Cross-Linking. Science 1991, 253: 778-781. PMID: 1831564, DOI: 10.1126/science.1831564.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigens, CDAntigens, Differentiation, T-LymphocyteCD3 ComplexCell DifferentiationCell SurvivalDNA NucleotidyltransferasesDNA-Binding ProteinsGene ExpressionGene Rearrangement, T-LymphocyteHomeodomain ProteinsHumansMiceNuclear ProteinsNucleic Acid HybridizationProteinsReceptor AggregationReceptors, Antigen, T-CellReceptors, Interleukin-2RNA, MessengerThymus GlandT-Lymphocyte SubsetsVDJ RecombinasesConceptsMajor histocompatibility complexCortical thymocytesSelf-major histocompatibility complexT cell receptor expressionHLA class IRAG-2Cell receptor expressionTCR complexRAG expressionT cell developmentT cell surfaceThymic subpopulationsCD4-CD8Intact thymusReceptor expressionThymic maturationRAG-1RAG-2 expressionThymocyte TCRThymocyte maturationHistocompatibility complexClass IReceptor crossThymocyte expressionBlot analysis