2020
Characterization of circulating and cultured Tfh-like cells in sickle cell disease in relation to red blood cell alloimmunization status
Balbuena-Merle R, Santhanakrishnan M, Devine L, Gibb DR, Tormey CA, Siddon AJ, Curtis SA, Gallagher PG, Weinstein JS, Hendrickson JE. Characterization of circulating and cultured Tfh-like cells in sickle cell disease in relation to red blood cell alloimmunization status. Transfusion And Apheresis Science 2020, 59: 102778. PMID: 32439490, PMCID: PMC7483805, DOI: 10.1016/j.transci.2020.102778.Peer-Reviewed Original ResearchConceptsTfh-like cellsNaïve CD4 T cellsSickle cell diseaseCD4 T cellsCD4 T cell subsetsT cell subsetsT cellsCell diseaseRed blood cell alloimmunizationPeripheral blood mononuclear cellsBlood mononuclear cellsCD3/CD28Electronic medical recordsAlloimmunization statusHLA alloantibodiesRBC autoantibodiesRBC alloantibodiesFollicular helperIL-12Mononuclear cellsMedical recordsIL-7Antigen specificityB cellsAlloantibodies
2018
Marginal Zone B Cells Induce Alloantibody Formation Following RBC Transfusion
Patel SR, Gibb DR, Girard-Pierce K, Zhou X, Rodrigues LC, Arthur CM, Bennett AL, Jajosky RP, Fuller M, Maier CL, Zerra PE, Chonat S, Smith NH, Tormey CA, Hendrickson JE, Stowell SR. Marginal Zone B Cells Induce Alloantibody Formation Following RBC Transfusion. Frontiers In Immunology 2018, 9: 2516. PMID: 30505302, PMCID: PMC6250814, DOI: 10.3389/fimmu.2018.02516.Peer-Reviewed Original ResearchConceptsMZ B cellsMarginal zone B cellsRBC transfusionB cellsKEL RBCsImmune factorsAntibody formationRBC antigensRed blood cell alloimmunizationKey immune factorsSpecific immune compartmentCD4 T cellsFollicular B cellsAlloantibody formationImmune compartmentAntibody responseT cellsTherapeutic modalitiesTransfusionImmunological challengeImmune pathwaysMarginal sinusSplenic compartmentsImmune constituentsAlloimmunizationFalse-Positive Light Chain Clonal Restriction by Flow Cytometry in Patients Treated With Alemtuzumab
Chen PP, Tormey CA, Eisenbarth SC, Torres R, Richardson SS, Rinder HM, Smith BR, Siddon AJ. False-Positive Light Chain Clonal Restriction by Flow Cytometry in Patients Treated With Alemtuzumab. American Journal Of Clinical Pathology 2018, 151: 154-163. PMID: 30307483, DOI: 10.1093/ajcp/aqy129.Peer-Reviewed Original ResearchConceptsHealthy donor bloodAlemtuzumab treatmentDonor bloodBone marrowFlow cytometryLight chain restrictionT-cell prolymphocytic leukemiaB-cell neoplasmsLight chain clonalityFlow cytometry analysisAutoimmune diseasesHematologic malignanciesImmunophenotypic analysisChain restrictionAlemtuzumabT cellsB cellsProlymphocytic leukemiaImmunoglobulin G1PatientsMonoclonal antibodiesCytometry analysisSimilar findingsBloodClonal restriction
2016
Bridging channel dendritic cells induce immunity to transfused red blood cells
Calabro S, Gallman A, Gowthaman U, Liu D, Chen P, Liu J, Krishnaswamy JK, Nascimento MS, Xu L, Patel SR, Williams A, Tormey CA, Hod EA, Spitalnik SL, Zimring JC, Hendrickson JE, Stowell SR, Eisenbarth SC. Bridging channel dendritic cells induce immunity to transfused red blood cells. Journal Of Experimental Medicine 2016, 213: 887-896. PMID: 27185856, PMCID: PMC4886363, DOI: 10.1084/jem.20151720.Peer-Reviewed Original ResearchConceptsSplenic dendritic cellsDendritic cellsRBC transfusionT cellsImmune responseRed blood cell transfusionBlood cell transfusionT cell primingConventional dendritic cellsDetrimental immune responsesB cell responsesNaive T cellsT cell helpMurine transfusion modelRBC transfusion supportTime of transfusionRBC alloantigensCell transfusionDC subsetsAllogeneic RBCsRed blood cellsRenal failureTransfusion supportMajor complicationsCell primingCD8+ T cells mediate antibody-independent platelet clearance in mice
Arthur CM, Patel SR, Sullivan HC, Winkler AM, Tormey CA, Hendrickson JE, Stowell SR. CD8+ T cells mediate antibody-independent platelet clearance in mice. Blood 2016, 127: 1823-1827. PMID: 26787734, PMCID: PMC4825415, DOI: 10.1182/blood-2015-10-673426.Peer-Reviewed Original ResearchConceptsPlatelet clearancePlatelet removalImportant therapeutic interventionPlatelet transfusionsNonimmune mechanismsT cellsTherapeutic outcomesAlloantibodiesTherapeutic interventionsAppropriate managementTransfusionClearanceSole mediatorPatientsVariety of mechanismsComplete absenceNumerous studiesCD8Clear mechanismCellsAbsenceMiceIndividualsPrevention