2023
Prior immunization against an intracellular antigen enhances subsequent red blood cell alloimmunization in mice
Jajosky R, Patel S, Wu S, Patel K, Covington M, Vallecillo-Zúniga M, Ayona D, Bennett A, Luckey C, Hudson K, Hendrickson J, Eisenbarth S, Josephson C, Zerra P, Stowell S, Arthur C. Prior immunization against an intracellular antigen enhances subsequent red blood cell alloimmunization in mice. Blood 2023, 141: 2642-2653. PMID: 36638335, PMCID: PMC10356576, DOI: 10.1182/blood.2022016588.Peer-Reviewed Original ResearchConceptsCD4 T cell responsesT cell responsesIntracellular antigensB cellsImmune primingRed blood cell alloimmunizationBlood cell alloantigensRate of alloimmunizationAdditional alloantibodiesAlloimmunization rateRBC alloantigensSubsequent transfusionsSame alloantigensPrior immunizationTransfusion recipientsDonor RBCsMouse modelNumerous antigensRBC antigensAlloantigensAlloimmunizationAntigenTransfusionAlloantibodiesRBCs
2007
An Intact Spleen Is Required for Alloimmunization to Transfused Red Blood Cells Due to Intrasplenic Activation of CD4+ T Cells.
Hendrickson J, Roback J, Hillyer C, Zimring J. An Intact Spleen Is Required for Alloimmunization to Transfused Red Blood Cells Due to Intrasplenic Activation of CD4+ T Cells. Blood 2007, 110: 453. DOI: 10.1182/blood.v110.11.453.453.Peer-Reviewed Original ResearchNon-splenectomized miceRBC alloimmunizationT cellsSplenectomized miceDivision of CD4Adoptive transferRed blood cellsPrecursor frequencyHelper T-cell precursor frequencyT cell precursor frequencyHelper T cell functionHelper T cell responsesBlood cellsHuman dose equivalentRate of alloimmunizationAntigen-specific CD4T cell responsesIgG-specific ELISACell precursor frequencyT cell functionDetectable alloantibodiesPatient populationIntact spleenLymphatic preparationsMurine model