2024
Stochastic modeling of a gene regulatory network driving B cell development in germinal centers
Koshkin A, Herbach U, MartÃnez M, Gandrillon O, Crauste F. Stochastic modeling of a gene regulatory network driving B cell development in germinal centers. PLOS ONE 2024, 19: e0301022. PMID: 38547073, PMCID: PMC10977792, DOI: 10.1371/journal.pone.0301022.Peer-Reviewed Original ResearchMeSH KeywordsB-LymphocytesGene Expression ProfilingGene Regulatory NetworksGerminal CenterHumansSystems BiologyConceptsGene regulatory network structureGene regulatory networksGene expression dataExpression dataB cell differentiationSingle-cellAssociated with cell developmentGC B cell differentiationStages of B-cell differentiationB cell developmentSelection of B cellsGene regulationRegulatory networksTranscriptome dataSystems biologyHigh-affinity antibodiesRegulatory mechanismsCell developmentGenesAdaptive immune systemMRNA distributionPlasmablast stageGerminal centersDifferentiationImmune system
2023
Convergent evolution and B-cell recirculation in germinal centers in a human lymph node
Pelissier A, Stratigopoulou M, Donner N, Dimitriadis E, Bende R, Guikema J, Martinez M, van Noesel C. Convergent evolution and B-cell recirculation in germinal centers in a human lymph node. Life Science Alliance 2023, 6: e202301959. PMID: 37640448, PMCID: PMC10462906, DOI: 10.26508/lsa.202301959.Peer-Reviewed Original ResearchConceptsGerminal centersLymph nodesHuman lymph nodesGC responseHuman LNImmune responseDevelopment of autoimmune diseasesConvergent evolutionB cell clonesB cell recirculationEffective immune responseExpanded clonesLaser capture microdissectionPhylogenetic tree analysisIndividual germinal centersB cellsAutoimmune diseasesAntigen responseMouse modelModel antigenAntigenClonal diversity
2021
Multiscale Modeling of Germinal Center Recapitulates the Temporal Transition From Memory B Cells to Plasma Cells Differentiation as Regulated by Antigen Affinity-Based Tfh Cell Help
Tejero E, Lashgari D, GarcÃa-Valiente R, Gao X, Crauste F, Robert P, Meyer-Hermann M, MartÃnez M, van Ham S, Guikema J, Hoefsloot H, van Kampen A. Multiscale Modeling of Germinal Center Recapitulates the Temporal Transition From Memory B Cells to Plasma Cells Differentiation as Regulated by Antigen Affinity-Based Tfh Cell Help. Frontiers In Immunology 2021, 11: 620716. PMID: 33613551, PMCID: PMC7892951, DOI: 10.3389/fimmu.2020.620716.Peer-Reviewed Original ResearchMeSH KeywordsAsymmetric Cell DivisionB-LymphocytesCD40 AntigensCell LineageComputer SimulationGene Regulatory NetworksGerminal CenterHumansImmunologic MemoryInterferon Regulatory FactorsLymphopoiesisModels, ImmunologicalPlasma CellsPositive Regulatory Domain I-Binding Factor 1Proto-Oncogene Proteins c-bcl-6Signal TransductionT Follicular Helper CellsTime FactorsConceptsB cell to plasma cell differentiationAsymmetric divisionRegulatory interactions of transcription factorsPlasma cell differentiationInteraction of transcription factorsCore gene regulatory networkGene regulatory networksCell differentiationCell-fate decisionsTemporal switchB cell receptor affinityGerminal center reactionB cellsCD40 signaling pathwayRegulatory networksRegulatory interactionsTranscription factorsEffective immune protectionCenter reactionSignaling pathwayAdaptive immune systemT follicular helper cellsPlasma cell generationMemory B cellsMolecular modules
2020
Computational Model Reveals a Stochastic Mechanism behind Germinal Center Clonal Bursts
Pélissier A, Akrout Y, Jahn K, Kuipers J, Klein U, Beerenwinkel N, MartÃnez M. Computational Model Reveals a Stochastic Mechanism behind Germinal Center Clonal Bursts. Cells 2020, 9: 1448. PMID: 32532145, PMCID: PMC7349200, DOI: 10.3390/cells9061448.Peer-Reviewed Original ResearchConceptsClonal diversityB cell receptorSequence of nucleotidesEvolutionary phylogenetic treesGC dynamicsIn silico vaccine designPhylogenetic treeClonal dominanceAffinity to antigenB cell differentiationSpecialized compartmentsAntibody genesGenetic eventsInterclonal competitionClonal burstEvolutionary processB cell maturationIntracellular componentsB-cell variantsClonal dynamicsSomatic hypermutationB cellsIncreased affinityAffinity maturationGerminal centers
2019
A Probabilistic Model of the Germinal Center Reaction
Thomas M, Klein U, Lygeros J, MartÃnez M. A Probabilistic Model of the Germinal Center Reaction. Frontiers In Immunology 2019, 10: 689. PMID: 31001283, PMCID: PMC6456718, DOI: 10.3389/fimmu.2019.00689.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsB-LymphocytesGerminal CenterHumansImmunologic MemoryLymphocyte ActivationModels, ImmunologicalModels, StatisticalConceptsB cell differentiationMemory B cell differentiationSpecialized compartmentsAntibody genesPlasma cell differentiationFate selectionB cellsIndividual cell propertiesCell differentiationB cell maturationMolecular eventsEfficient stochastic simulationExtracellular dynamicsQuantitative stochastic modelMemory B cell formationAntigen affinityB cell formationGillespie algorithmDifferentiationCell propertiesCell productionMemory B cells
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