Marginal zone B cells mediate a CD4 T-cell–dependent extrafollicular antibody response following RBC transfusion in mice
Zerra PE, Patel SR, Jajosky RP, Arthur CM, McCoy JW, Allen JWL, Chonat S, Fasano RM, Roback JD, Josephson CD, Hendrickson J, Stowell SR. Marginal zone B cells mediate a CD4 T-cell–dependent extrafollicular antibody response following RBC transfusion in mice. Blood 2021, 138: 706-721. PMID: 33876205, PMCID: PMC8394907, DOI: 10.1182/blood.2020009376.Peer-Reviewed Original ResearchConceptsMarginal zone B cellsRBC transfusionMZ B cellsB cellsHOD RBCsAlloantibody formationAntibody responseAntibody formationAntigen-specific germinal center B cellsB cell-deficient recipientsCD4 T-cell depletionRed blood cell transfusionCD4 T cell activationRBC alloantibody formationBlood cell transfusionT-cell depletionCD4 T cellsProbability of complicationsExtrafollicular antibody responsesGerminal center B cellsFollicular B cellsT cell activationRBC alloimmunizationCell transfusionSubsequent transfusions