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 diversityExploring the impact of clonal definition on B-cell diversity: implications for the analysis of immune repertoires
Pelissier A, Luo S, Stratigopoulou M, Guikema J, MartÃnez 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
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
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