2024
Stochastic modeling of a gene regulatory network driving B cell development in germinal centers
Koshkin A, Herbach U, Martínez 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 ResearchConceptsGene 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
Exploring the impact of clonal definition on B-cell diversity: implications for the analysis of immune repertoires
Pelissier A, Luo S, Stratigopoulou M, Guikema J, Martínez M. Exploring the impact of clonal definition on B-cell diversity: implications for the analysis of immune repertoires. Frontiers In Immunology 2023, 14: 1123968. PMID: 37138881, PMCID: PMC10150052, DOI: 10.3389/fimmu.2023.1123968.Peer-Reviewed Original ResearchConceptsClonal diversityB cell receptorB cellsB cell diversityHigh-throughput sequencing technologyAlignment-free methodsAnalysis of immune repertoiresAlignment-based methodsPatterns of variationB cell receptor sequencesSequencing technologiesClonal clustersClonal identificationB cell repertoireActivated B cellsAdaptive immune responsesDiversity indexHigh-throughput characterizationAdaptive immune systemShort sequencesClonal characterizationClonal familiesClonesRepertoire dataSomatic hypermutation
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, García-Valiente R, Gao X, Crauste F, Robert P, Meyer-Hermann M, Martínez 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