2023
Prior cycles of anti-CD20 antibodies affect antibody responses after repeated SARS-CoV-2 mRNA vaccination
Asashima H, Kim D, Wang K, Lele N, Buitrago-Pocasangre N, Lutz R, Cruz I, Raddassi K, Ruff W, Racke M, Wilson J, Givens T, Grifoni A, Weiskopf D, Sette A, Kleinstein S, Montgomery R, Shaw A, Li F, Fan R, Hafler D, Tomayko M, Longbrake E. Prior cycles of anti-CD20 antibodies affect antibody responses after repeated SARS-CoV-2 mRNA vaccination. JCI Insight 2023, 8: e168102. PMID: 37606046, PMCID: PMC10543713, DOI: 10.1172/jci.insight.168102.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 mRNA vaccinationB-cell-depleted patientsB-cell depletionAntibody responseMRNA vaccinationThird doseCell depletionT cellsClaude D. Pepper Older Americans Independence CenterB cellsNational Multiple Sclerosis SocietyAnti-CD20 antibodySpike-specific antibodiesMultiple Sclerosis SocietyLow cumulative exposureLogistic regression modelsImportant clinical needCD20 therapyCD20 treatmentMost patientsThird vaccineSerologic responseVaccine dosesMRNA vaccinesVaccination strategiesThe Plasma Cell Infiltrate Populating the Muscle Tissue of Patients with Inclusion Body Myositis Features Distinct B Cell Receptor Repertoire Properties
Jiang R, Roy B, Wu Q, Mohanty S, Nowak R, Shaw A, Kleinstein S, O’Connor K. The Plasma Cell Infiltrate Populating the Muscle Tissue of Patients with Inclusion Body Myositis Features Distinct B Cell Receptor Repertoire Properties. ImmunoHorizons 2023, 7: 310-322. PMID: 37171806, PMCID: PMC10579972, DOI: 10.4049/immunohorizons.2200078.Peer-Reviewed Original ResearchConceptsInclusion body myositisMemory B cellsCell infiltrateBody myositisB cellsIBM muscle biopsiesB-cell infiltratesPlasma cell infiltrateClass-switched IgGMuscle tissueAdaptive immune receptor repertoire sequencingHumoral responseHealthy controlsIgA isotypePlasma cellsCell repertoireMuscle biopsyInfiltratesDegenerative disordersDisease pathologyRepertoire sequencingSkeletal muscleDermatomyositisPolymyositisMyositisPD-1highCXCR5–CD4+ peripheral helper T cells promote CXCR3+ plasmablasts in human acute viral infection
Asashima H, Mohanty S, Comi M, Ruff W, Hoehn K, Wong P, Klein J, Lucas C, Cohen I, Coffey S, Lele N, Greta L, Raddassi K, Chaudhary O, Unterman A, Emu B, Kleinstein S, Montgomery R, Iwasaki A, Dela Cruz C, Kaminski N, Shaw A, Hafler D, Sumida T. PD-1highCXCR5–CD4+ peripheral helper T cells promote CXCR3+ plasmablasts in human acute viral infection. Cell Reports 2023, 42: 111895. PMID: 36596303, PMCID: PMC9806868, DOI: 10.1016/j.celrep.2022.111895.Peer-Reviewed Original ResearchConceptsAcute viral infectionTph cellsViral infectionCXCR3 expressionClinical outcomesHelper TSevere viral infectionsB cell helpBetter clinical outcomesProtective humoral immunityT cell-B cell interactionsKey immune responsesPlasmablast expansionB cell differentiationCell subsetsHumoral immunityCell helpImmune responseInterferon γPlasmablast differentiationB cellsPlasmablastsCell responsesInfectionCD4
1999
Induction of Ig light chain gene rearrangement in heavy chain-deficient B cells by activated Ras
Shaw A, Swat W, Davidson L, Alt F. Induction of Ig light chain gene rearrangement in heavy chain-deficient B cells by activated Ras. Proceedings Of The National Academy Of Sciences Of The United States Of America 1999, 96: 2239-2243. PMID: 10051625, PMCID: PMC26767, DOI: 10.1073/pnas.96.5.2239.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsB-LymphocytesBase SequenceBlastocystCell DifferentiationDNA-Binding ProteinsEmbryo, MammalianGene Rearrangement, B-Lymphocyte, Light ChainGenes, ImmunoglobulinImmunoglobulin Heavy ChainsImmunoglobulin kappa-ChainsImmunoglobulin Light ChainsImmunoglobulin Variable RegionKidneyMiceMolecular Sequence DataRas ProteinsRecombinant Fusion ProteinsSignal TransductionSpleenStem CellsTransfectionConceptsRas expressionVariable region gene assemblyEmbryonic stem cellsIg light chain gene rearrangementGene rearrangementsB cell developmentWild-type B cellsB lineage cellsLight chain gene rearrangementsDevelopmental checkpointsHeavy chain geneGene productsGene assemblyExpression constructsB cell differentiationGene expressionBlastocyst complementationIg heavy chain genesCell developmentCell differentiationVariable region genesB cellsDifferentiation potentialLineage cellsChain geneActivated Ras Signals Developmental Progression of Recombinase-activating Gene (RAG)-deficient Pro-B Lymphocytes
Shaw A, Swat W, Ferrini R, Davidson L, Alt F. Activated Ras Signals Developmental Progression of Recombinase-activating Gene (RAG)-deficient Pro-B Lymphocytes. Journal Of Experimental Medicine 1999, 189: 123-129. PMID: 9874569, PMCID: PMC1887686, DOI: 10.1084/jem.189.1.123.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsB-LymphocytesCell DifferentiationCell SurvivalDNA-Binding ProteinsEnzyme ActivationGene Expression Regulation, DevelopmentalGenes, RAG-1Immunoglobulin Heavy ChainsImmunoglobulin kappa-ChainsMiceMice, KnockoutPhenotypeRas ProteinsRNA, MessengerStem CellsTranscription, GeneticUp-RegulationConceptsB cellsRAG-deficient backgroundPeripheral lymphoid tissuesB-cell lineageEarly B cell developmentB lineage cellsLymphoid tissueBcl-2 transgeneCD43 expressionRecombination-activating gene 1B cell developmentHeavy chain transgeneSurface markersB cell stageLineage cellsIntracellular pathwaysMature B-cell stageDeficient backgroundProgressionGene 1Survival signalsCell developmentOverall phenotypeResult of expressionCell lineages
1990
Mutations of immunoglobulin transmembrane and cytoplasmic domains: Effects on intracellular signaling and antigen presentation
Shaw A, Mitchell R, Weaver Y, Campos-Torres J, Abbas A, Leder P. Mutations of immunoglobulin transmembrane and cytoplasmic domains: Effects on intracellular signaling and antigen presentation. Cell 1990, 63: 381-392. PMID: 2119890, DOI: 10.1016/0092-8674(90)90171-a.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsAntibody FormationAntigensBase SequenceB-LymphocytesCalciumCell LineCell MembraneCytoplasmHumansImmunoglobulin mu-ChainsKineticsMiceMolecular Sequence DataMutagenesis, Site-DirectedOligonucleotide ProbesReceptors, Antigen, B-CellSequence Homology, Nucleic AcidSignal TransductionTransfectionConceptsCytoplasmic domainSignal transductionShort cytoplasmic domainDifferent protein interactionsMembrane-bound formMu chain geneProtein interactionsTransmembrane residuesIntracellular signalingChain geneSpecific mutationsTransductionAntigen presentationAntigen-specific receptorsMutationsTransmembraneB cellsGenesSignalingDomainResiduesCellsAssaysReceptors
1988
Allelic exclusion in transgenic mice carrying mutant human IgM genes.
Nussenzweig MC, Shaw AC, Sinn E, Campos-Torres J, Leder P. Allelic exclusion in transgenic mice carrying mutant human IgM genes. Journal Of Experimental Medicine 1988, 167: 1969-1974. PMID: 3133444, PMCID: PMC2189689, DOI: 10.1084/jem.167.6.1969.Peer-Reviewed Original ResearchConceptsAllelic exclusionHeavy chain geneChain geneMu chainsHuman mu chainsPrimary B cellsHybrid animalsIg heavy chain genesHuman heavy chainsMu expressionTransgenic mice resultsIgM geneGenesSimultaneous expressionSecreted versionTransgeneIg transgenesHeavy chainMice resultsTransgenic miceExpressionHuman Ig transgenesB cellsCellsVivo
1987
Allelic Exclusion in Transgenic Mice That Express the Membrane form of Immunoglobulin μ
Nussenzweig M, Shaw A, Sinn E, Danner D, Holmes K, Morse H, Leder P. Allelic Exclusion in Transgenic Mice That Express the Membrane form of Immunoglobulin μ. Science 1987, 236: 816-819. PMID: 3107126, DOI: 10.1126/science.3107126.Peer-Reviewed Original ResearchConceptsMembrane-bound formAllelic exclusionMembrane-bound proteinsMu chainsMu chain geneHeavy chainHeavy chain allelesHuman genesTransgenic miceImmunoglobulin μMessenger RNAMembrane formChain geneAntibody genesB cellsGenesImmunoglobulin M heavy chainHuman mu chainsMouse systemCellsRegulationMolecular formsRNATransgeneProtein