The lysophospholipid‐binding molecule CD1D is not required for the alloimmunization response to fresh or stored RBCs in mice despite RBC storage driving alterations in lysophospholipids
Medved J, Knott BM, Tarrah SN, Li AN, Shah N, Moscovich TC, Boscia AR, Salazar JE, Santhanakrishnan M, Hendrickson JE, Fu X, Zimring JC, Luckey CJ. The lysophospholipid‐binding molecule CD1D is not required for the alloimmunization response to fresh or stored RBCs in mice despite RBC storage driving alterations in lysophospholipids. Transfusion 2021, 61: 2169-2178. PMID: 34181769, PMCID: PMC8856511, DOI: 10.1111/trf.16554.Peer-Reviewed Original ResearchMeSH KeywordsAlarminsAnimalsAntibody SpecificityAntigens, CD1dBlood PreservationBlood TransfusionDuffy Blood-Group SystemErythrocytesFemaleImmunizationImmunoglobulin GImmunoglobulin MIsoantibodiesIsoantigensLysophospholipidsMaleMass SpectrometryMiceMice, Inbred StrainsMice, KnockoutMice, TransgenicMuramidaseOvalbuminReceptors, Cell SurfaceTransfusion ReactionConceptsCD1d-deficient miceCD1d deficiencyRBC alloimmunizationImmune activationNonclassical major histocompatibility complex class IWild-type control miceMajor histocompatibility complex class IHistocompatibility complex class IAdverse clinical consequencesSignificant adverse clinical consequencesLow baseline levelsRBC storageComplex class IHOD RBCsMolecule CD1dRBC transfusionWT miceControl miceImmune responseClinical consequencesMouse modelCD1dCD1d recognitionPolyclonal immunoglobulinsBaseline levelsMarginal 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