CD1a selectively captures endogenous cellular lipids that broadly block T cell response
Cotton R, Wegrecki M, Cheng T, Chen Y, Veerapen N, Le Nours J, Orgill D, Pomahac B, Talbot S, Willis R, Altman J, de Jong A, Van Rhijn I, Clark R, Besra G, Ogg G, Rossjohn J, Moody D. CD1a selectively captures endogenous cellular lipids that broadly block T cell response. Journal Of Experimental Medicine 2021, 218: e20202699. PMID: 33961028, PMCID: PMC8111460, DOI: 10.1084/jem.20202699.Peer-Reviewed Original ResearchConceptsNatural endogenous inhibitorsEndogenous lipidsCD1a proteinCellular lipidsT cell activationMembrane phospholipidsLonger lipidsSurface residuesEndogenous inhibitorLipidomics methodDetailed chemical structureCell activationLipidsCellsNatural blockerSphingolipidsDisplay platformProteinCrystal structureResiduesCell responsesBindingTetramerC42SphingomyelinImmunoregulatory and lipid presentation pathways are upregulated in human face transplant rejection
Win T, Crisler W, Dyring-Andersen B, Lopdrup R, Teague J, Zhan Q, Barrera V, Sui S, Tasigiorgos S, Murakami N, Chandraker A, Tullius S, Pomahac B, Riella L, Clark R. Immunoregulatory and lipid presentation pathways are upregulated in human face transplant rejection. Journal Of Clinical Investigation 2021, 131 PMID: 33667197, PMCID: PMC8262560, DOI: 10.1172/jci135166.Peer-Reviewed Original ResearchConceptsVCA rejectionTransplant rejectionT cellsTissue injuryGene expression profilingAntigen-presenting cell activationT-cell receptor sequencingSolid organ transplantsCell receptor sequencingT cell activation pathwaysAntigen-specific activationProliferative T cellsCell activation pathwaysNovo Nordisk FoundationAmerican SocietyExpression profilingFace transplant patientsTransplant patientsImmunologic pathwaysImmunoregulatory networkSkin biopsiesImmunomodulatory pathwaysLimb transplantsLundbeck FoundationTransplant Research