2021
Endothelial Stromal PD-L1 (Programmed Death Ligand 1) Modulates CD8+ T-Cell Infiltration After Heart Transplantation
Bracamonte-Baran W, Gilotra N, Won T, Rodriguez K, Talor M, Oh B, Griffin J, Wittstein I, Sharma K, Skinner J, Johns R, Russell S, Anders R, Zhu Q, Halushka M, Brandacher G, Čiháková D. Endothelial Stromal PD-L1 (Programmed Death Ligand 1) Modulates CD8+ T-Cell Infiltration After Heart Transplantation. Circulation Heart Failure 2021, 14: e007982. PMID: 34555935, PMCID: PMC8550427, DOI: 10.1161/circheartfailure.120.007982.Peer-Reviewed Original ResearchConceptsPD-L1 expressionT cell infiltrationPD-L1Heart transplantationEndothelial cellsHemodynamic parametersPD1/PD-L1 axisCD8 T-cell ratioMultivariate logistic regression analysisPeripheral blood mononuclear cellsMurine model resultsGraft endothelial cellsHeart transplant patientsPD-L1 axisT cell frequenciesT cell ratioHeart transplantation modelSurveillance endomyocardial biopsiesBlood mononuclear cellsHuman heart transplantationLogistic regression analysisGraft expressionLeukocyte compartmentLeukocyte patternModulates CD8
2017
Modification of host dendritic cells by microchimerism-derived extracellular vesicles generates split tolerance
Bracamonte-Baran W, Florentin J, Zhou Y, Jankowska-Gan E, Haynes W, Zhong W, Brennan T, Dutta P, Claas F, van Rood J, Burlingham W. Modification of host dendritic cells by microchimerism-derived extracellular vesicles generates split tolerance. Proceedings Of The National Academy Of Sciences Of The United States Of America 2017, 114: 1099-1104. PMID: 28096390, PMCID: PMC5293109, DOI: 10.1073/pnas.1618364114.Peer-Reviewed Original ResearchMeSH KeywordsAdoptive TransferAnimalsB7-2 AntigenB7-H1 AntigenCD4-Positive T-LymphocytesChimerismDendritic CellsExtracellular VesiclesFemaleFetomaternal TransfusionH-2 AntigensHistocompatibility Antigen H-2DHistocompatibility Antigens Class IIImmune ToleranceIsoantigensMaleMaternal-Fetal ExchangeMiceMice, Inbred C57BLMice, TransgenicModels, ImmunologicalPregnancyT-Cell Antigen Receptor SpecificityConceptsHost dendritic cellsCD4 T cellsDendritic cellsPD-L1Maternal microchimerismT cellsMyeloid DCsPlasmacytoid DCsMHC alloantigensTransgenic CD4 T cellsMyeloid dendritic cellsPlasmacytoid dendritic cellsExtracellular vesiclesAdoptive transferAntitumor immunityMaternal antigensTransplant toleranceTumor immunityMurine modelSerum EVsPhysiologic linkMHC complexesMiceSerum fractionsMode of action