2019
Intra-Vκ Cluster Recombination Shapes the Ig Kappa Locus Repertoire
Shinoda K, Maman Y, Canela A, Schatz DG, Livak F, Nussenzweig A. Intra-Vκ Cluster Recombination Shapes the Ig Kappa Locus Repertoire. Cell Reports 2019, 29: 4471-4481.e6. PMID: 31875554, PMCID: PMC8214342, DOI: 10.1016/j.celrep.2019.11.088.Peer-Reviewed Original ResearchConceptsDNA double-strand breaksRecombination signal sequencesVκ gene segmentsGene segmentsDouble-strand breaksVariable gene segmentsRAG proteinsSignal sequenceV-J rearrangementRecombination eventsSpacer regionVκ-JκRecombinationLevels of breakageComplete absenceProteinLarge fractionDeletionJκSequence
2010
Uracil residues dependent on the deaminase AID in immunoglobulin gene variable and switch regions
Maul RW, Saribasak H, Martomo SA, McClure RL, Yang W, Vaisman A, Gramlich HS, Schatz DG, Woodgate R, Wilson DM, Gearhart PJ. Uracil residues dependent on the deaminase AID in immunoglobulin gene variable and switch regions. Nature Immunology 2010, 12: 70-76. PMID: 21151102, PMCID: PMC3653439, DOI: 10.1038/ni.1970.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigenic VariationB-LymphocytesCells, CulturedCytidine DeaminaseDNA-(Apurinic or Apyrimidinic Site) LyaseImmunoglobulin Class SwitchingImmunoglobulin Variable RegionInterleukin-4LipopolysaccharidesLymphocyte ActivationMiceMice, Inbred C57BLMice, KnockoutModels, ChemicalSpleenUracilUracil-DNA Glycosidase
2006
Roles of the Ig κ Light Chain Intronic and 3′ Enhancers in Igk Somatic Hypermutation
Inlay MA, Gao HH, Odegard VH, Lin T, Schatz DG, Xu Y. Roles of the Ig κ Light Chain Intronic and 3′ Enhancers in Igk Somatic Hypermutation. The Journal Of Immunology 2006, 177: 1146-1151. PMID: 16818772, DOI: 10.4049/jimmunol.177.2.1146.Peer-Reviewed Original ResearchMeSH Keywords3' Untranslated RegionsAnimalsB-LymphocytesCells, CulturedDown-RegulationEnhancer Elements, GeneticGene DeletionGene Expression RegulationGerminal CenterImmunoglobulin kappa-ChainsIntronsLymphocyte ActivationMiceMice, KnockoutMice, TransgenicRNA, MessengerSomatic Hypermutation, ImmunoglobulinSpleenOrigins of peripheral B cells in IL-7 receptor-deficient mice
Hesslein DG, Yang SY, Schatz DG. Origins of peripheral B cells in IL-7 receptor-deficient mice. Molecular Immunology 2006, 43: 326-334. PMID: 16310046, DOI: 10.1016/j.molimm.2005.02.010.Peer-Reviewed Original ResearchConceptsIL-7Ralpha-deficient miceB cell populationsB cellsBone marrowSplenic B cellsIL-7RalphaCell percentageIL-7 receptor-deficient miceCell populationsReceptor-deficient micePeripheral B cellsSplenic B cell populationSpleens of adultBone marrow-derived B cellsReceptor alpha geneEarly lymphoid differentiationAdult bone marrowSplenic populationsPeripheral BNeonatal developmentB cell developmentFollicular cellsMarrowMiceFetal liver
2005
Expression of activation-induced cytidine deaminase is regulated by cell division, providing a mechanistic basis for division-linked class switch recombination
Rush JS, Liu M, Odegard VH, Unniraman S, Schatz DG. Expression of activation-induced cytidine deaminase is regulated by cell division, providing a mechanistic basis for division-linked class switch recombination. Proceedings Of The National Academy Of Sciences Of The United States Of America 2005, 102: 13242-13247. PMID: 16141332, PMCID: PMC1201576, DOI: 10.1073/pnas.0502779102.Peer-Reviewed Original ResearchConceptsClass switch recombinationCell divisionAID expressionSwitch recombinationFrequency of CSRSingle cell divisionSubsequent cell divisionSuccessive cell divisionsActivation-induced cytidine deaminaseConstitutive AID expressionIg heavy chain constant regionsEffector function propertiesHeavy chain constant regionActivation-induced cytidine deaminase mRNAMolecular explanationMechanistic basisDifferent molecular featuresSuccessive divisionsChain constant regionCytidine deaminaseB cell activationCytokine exposureExpressionConstant regionCell activation
2004
Pax5-Deficient Mice Exhibit Early Onset Osteopenia with Increased Osteoclast Progenitors
Horowitz MC, Xi Y, Pflugh DL, Hesslein DG, Schatz DG, Lorenzo JA, Bothwell AL. Pax5-Deficient Mice Exhibit Early Onset Osteopenia with Increased Osteoclast Progenitors. The Journal Of Immunology 2004, 173: 6583-6591. PMID: 15557148, DOI: 10.4049/jimmunol.173.11.6583.Peer-Reviewed Original ResearchConceptsNumber of osteoclastsSpleen cellsB cellsOsteoclast developmentB cell-deficient miceCell-deficient miceControl spleen cellsB lymphocyte lineage cellsBone marrow cellsB-cell lineagePro-B cell stageMonocyte phenotypeBone massOsteoclast precursorsMice exhibitOsteoclast progenitorsMarrow cellsGrowth factorMiceOsteoclastsLineage cellsOsteopeniaCell lineagesCellsAdherent cells
1991
Selective expression of RAG-2 in chicken B cells undergoing immunoglobulin gene conversion
Carlson L, Oettinger M, Schatz D, Masteller E, Hurley E, McCormack W, Baltimore D, Thompson C. Selective expression of RAG-2 in chicken B cells undergoing immunoglobulin gene conversion. Cell 1991, 64: 201-208. PMID: 1986866, DOI: 10.1016/0092-8674(91)90221-j.Peer-Reviewed Original ResearchMeSH KeywordsActinsAnimalsBlotting, NorthernB-LymphocytesBursa of FabriciusCell LineChickensCloning, MolecularFlow CytometryGene ConversionGene ExpressionGene Expression RegulationGenes, ImmunoglobulinHumansMolecular Sequence DataNucleic Acid HybridizationRecombination, GeneticRNA, MessengerSpleenThymus GlandConceptsIg gene conversionGene conversionChicken B cellsRAG-2 mRNARAG-2Cis-acting DNA elementsChicken B cell lineRAG-1Mammalian B cellsIntrachromosomal gene conversionImmunoglobulin gene conversionRAG-2 expressionB cell developmentIg diversificationRAG-1 mRNADNA elementsCell developmentB cell linesBursa of FabriciusB cellsPhenotypic characteristicsSelective expressionCell linesBursal lymphocytesMRNA