2023
Rhesus macaque Bcl-6/Bcl-xL B cell immortalization: Discovery of HIV-1 neutralizing antibodies from lymph node
Samsel J, Boswell K, Watkins T, Ambrozak D, Mason R, Yamamoto T, Ko S, Yang Y, Zhou T, Doria-Rose N, Foulds K, Roederer M, Mascola J, Kwong P, Gama L, Koup R. Rhesus macaque Bcl-6/Bcl-xL B cell immortalization: Discovery of HIV-1 neutralizing antibodies from lymph node. Journal Of Immunological Methods 2023, 516: 113445. PMID: 36848985, DOI: 10.1016/j.jim.2023.113445.Peer-Reviewed Original ResearchConceptsB cellsLymph nodesRhesus macaquesHIV-1HIV-1 vaccineExpression of CD40Surface B-cell receptorB-cell immortalizationPre-clinical testingB cell receptorIL-21CD40 ligandAntigen specificityBCL-6Cell receptorIdentification of cellsAntibodiesFunctional assaysCell immortalizationBcl-xLAntigen probeCellsRetroviral vectorsSomatic hypermutationAntibody discovery
2022
Application of B cell immortalization for the isolation of antibodies and B cell clones from vaccine and infection settings
Boswell K, Watkins T, Cale E, Samsel J, Andrews S, Ambrozak D, Driscoll J, Messina M, Narpala S, Hopp C, Cagigi A, Casazza J, Yamamoto T, Zhou T, Schief W, Crompton P, Ledgerwood J, Connors M, Gama L, Kwong P, McDermott A, Mascola J, Koup R. Application of B cell immortalization for the isolation of antibodies and B cell clones from vaccine and infection settings. Frontiers In Immunology 2022, 13: 1087018. PMID: 36582240, PMCID: PMC9794141, DOI: 10.3389/fimmu.2022.1087018.Peer-Reviewed Original ResearchConceptsB cell subsetsB cell clonesB-cell immortalizationMemory B cellsB cellsCell subsetsCell clonesHIV-1 infected individualsMemory B cell subsetsDifferent B cell populationsIsolation of antibodiesRecent malaria infectionFuture vaccine designCell immortalizationB cell populationsB cell survivalMalaria infectionPrimary B cellsVaccine settingInfection settingsImmunoglobulin secretionHealthy individualsTonsil tissueAntibody secretionBCL-6
2020
Telomerase Reverse Transcriptase Promoter Mutations Identify a Genomically Defined and Highly Aggressive Human Pleural Mesothelioma Subgroup
Pirker C, Bilecz A, Grusch M, Mohr T, Heidenreich B, Laszlo V, Stockhammer P, Lötsch-Gojo D, Gojo J, Gabler L, Spiegl-Kreinecker S, Dome B, Steindl A, Klikovits T, Hoda MA, Jakopovic M, Samarzija M, Mohorcic K, Kern I, Kiesel B, Brcic L, Oberndorfer F, Müllauer L, Klepetko W, Schmidt WM, Kumar R, Hegedus B, Berger W. Telomerase Reverse Transcriptase Promoter Mutations Identify a Genomically Defined and Highly Aggressive Human Pleural Mesothelioma Subgroup. Clinical Cancer Research 2020, 26: 3819-3830. PMID: 32317288, DOI: 10.1158/1078-0432.ccr-19-3573.Peer-Reviewed Original ResearchMeSH KeywordsAgedBiomarkers, TumorCell Line, TumorCell SurvivalCell Transformation, NeoplasticComparative Genomic HybridizationDisease ProgressionDNA Mutational AnalysisExome SequencingFemaleGene Expression ProfilingHumansKaplan-Meier EstimateMaleMesothelioma, MalignantMiddle AgedMutationPleuraPleural NeoplasmsPrognosisPromoter Regions, GeneticRetrospective StudiesTelomeraseConceptsHuman malignant pleural mesotheliomaMalignant pleural mesotheliomaPromoter mutationsLuciferase promoter assaysGene expression profilingImmortalized cell linesArray comparative genomic hybridizationComparative genomic hybridizationWild-type samplesGene promoterExpression profilingPromoter assaysPromoter activityTelomerase reverse transcriptase gene promoterCell immortalizationMolecular mechanismsMutations/deletionsMalignant transformation processMPM casesSpecific mutation patternsGenomic hybridizationTelomerase activityGenomic alteration patternsMutationsChromosomal alterations
2010
An ATM/Chk2-Mediated DNA Damage-Responsive Signaling Pathway Suppresses Epstein-Barr Virus Transformation of Primary Human B Cells
Nikitin P, Yan C, Forte E, Bocedi A, Tourigny J, White R, Allday M, Patel A, Dave S, Kim W, Hu K, Guo J, Tainter D, Rusyn E, Luftig M. An ATM/Chk2-Mediated DNA Damage-Responsive Signaling Pathway Suppresses Epstein-Barr Virus Transformation of Primary Human B Cells. Cell Host & Microbe 2010, 8: 510-522. PMID: 21147465, PMCID: PMC3049316, DOI: 10.1016/j.chom.2010.11.004.Peer-Reviewed Original ResearchMeSH KeywordsAtaxia Telangiectasia Mutated ProteinsB-LymphocytesCell Cycle ProteinsCell ProliferationCell Transformation, ViralCells, CulturedCheckpoint Kinase 2DNA DamageDNA-Binding ProteinsEpstein-Barr Virus Nuclear AntigensHerpesvirus 4, HumanHumansProtein Serine-Threonine KinasesSignal TransductionTumor Suppressor ProteinsConceptsDNA damage responseEpstein-Barr virusPrimary human B cellsHuman B cellsB cellsTumor suppressor mechanismSuppressor mechanismViral latency productsProliferating lymphoblastoid cell linesPrimary B cellsInduce cell immortalizationLymphoblastoid cell linesDDR kinase ATMEarly cell divisionsDNA damage response activationLytic viral replicationIncreased transformation efficiencyLatent episomeKinase ATMImmortalization efficiencyCell divisionHuman malignanciesDamage responseCell immortalizationViral replication
2000
Carboxy Terminus of Human Herpesvirus 8 Latency-Associated Nuclear Antigen Mediates Dimerization, Transcriptional Repression, and Targeting to Nuclear Bodies
Schwam D, Luciano R, Mahajan S, Wong L, Wilson A. Carboxy Terminus of Human Herpesvirus 8 Latency-Associated Nuclear Antigen Mediates Dimerization, Transcriptional Repression, and Targeting to Nuclear Bodies. Journal Of Virology 2000, 74: 8532-8540. PMID: 10954554, PMCID: PMC116365, DOI: 10.1128/jvi.74.18.8532-8540.2000.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAntigens, ViralCell LineCell NucleusConserved SequenceDimerizationGene Expression Regulation, ViralGenes, ReporterHerpesvirus 8, HumanHumansImmunoblottingLuciferasesMicroscopy, FluorescenceMolecular Sequence DataNuclear ProteinsSequence AlignmentTranscription, GeneticVirionConceptsLatency-associated nuclear antigenC-terminusHeterologous DNA-binding domainDNA-binding domainForms stable dimersPotent transcriptional repressorViral lytic genesC-terminal regionSeries of truncationsHigher-order multimersViral gene expressionNuclear specklesSubnuclear specklesTranscriptional repressionTranscriptional repressorCellular genesCertain B-cell lymphomasNuclear bodiesActive promotersCarboxy terminusGene expressionCell immortalizationFunctional similarityViral episomesIntact protein
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