2021
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
2014
CD4 T cell activation by B cells in human Leishmania (Viannia)infection
Rodriguez-Pinto D, Saravia NG, McMahon-Pratt D. CD4 T cell activation by B cells in human Leishmania (Viannia)infection. BMC Infectious Diseases 2014, 14: 108. PMID: 24568275, PMCID: PMC3937821, DOI: 10.1186/1471-2334-14-108.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedB-LymphocytesBiotinCD4-Positive T-LymphocytesColombiaFemaleFlow CytometryFluorescein-5-isothiocyanateGene Expression RegulationHumansImmunoglobulin MInterferon-gammaInterleukin-6Leishmania braziliensisLeishmaniasis, CutaneousLeukocytes, MononuclearLymphocyte ActivationMaleMiddle AgedOvalbuminTumor Necrosis Factor-alphaYoung AdultConceptsCD4 T cellsCutaneous leishmaniasis patientsT cellsB cellsLeishmaniasis patientsT cell activationLeishmania antigenImmune responseCell activationT-cell activation parametersSpecific CD4 T cellsEffective adaptive immune responseCD4 T cell activationB-cell activation markersCultures of PBMCUpregulation of CD86Cell activation markersCostimulatory molecule CD86Activation markers CD25Adaptive immune responsesHuman cutaneous leishmaniasisPurified B cellsT cell culturesHuman B cell linesHuman B cells
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