2022
Innate and Adaptive Immunity to Transfused Allogeneic RBCs in Mice Requires MyD88.
Soldatenko A, Hoyt LR, Xu L, Calabro S, Lewis SM, Gallman AE, Hudson KE, Stowell SR, Luckey CJ, Zimring JC, Liu D, Santhanakrishnan M, Hendrickson JE, Eisenbarth SC. Innate and Adaptive Immunity to Transfused Allogeneic RBCs in Mice Requires MyD88. The Journal Of Immunology 2022, 208: 991-997. PMID: 35039331, PMCID: PMC10107373, DOI: 10.4049/jimmunol.2100784.Peer-Reviewed Original ResearchConceptsPattern recognition receptorsDendritic cellsDC activationAdaptive immunityClass of PRRsNon-ABO alloantibodiesRecipient dendritic cellsSplenic dendritic cellsMouse RBCsInflammatory cytokine responseTreatment of anemiaRBC transfusion therapyTransfused RBCsAlloantibody responsesAllogeneic RBCsSerious complicationsCytokine responsesTransfusion therapyRecognition receptorsMyD88TransfusionAlloimmunizationRBCsTRIFUnknown mechanism
2018
Bacterial Lipoproteins Constitute the TLR2-Stimulating Activity of Serum Amyloid A
Burgess EJ, Hoyt LR, Randall MJ, Mank MM, Bivona JJ, Eisenhauer PL, Botten JW, Ballif BA, Lam YW, Wargo MJ, Boyson JE, Ather JL, Poynter ME. Bacterial Lipoproteins Constitute the TLR2-Stimulating Activity of Serum Amyloid A. The Journal Of Immunology 2018, 201: 2377-2384. PMID: 30158125, PMCID: PMC6179936, DOI: 10.4049/jimmunol.1800503.Peer-Reviewed Original ResearchConceptsEukaryotic cellsBacterial proteinsSerum amyloid ANumerous bacterial proteinsProteomic analysisMouse cellsRecombinant proteinsBacterial lipoproteinsProteinRecombinant serum amyloid ASAA1 proteinProinflammatory cytokine productionProduction of TNFCytokine productionProinflammatory functionsAmyloid ASerum amyloidCellsLipoprotein lipaseLipoproteinFuture studiesDifferentiationEscherichiaBindingLipopeptides
2017
Mitochondrial ROS induced by chronic ethanol exposure promote hyper-activation of the NLRP3 inflammasome
Hoyt LR, Randall MJ, Ather JL, DePuccio DP, Landry CC, Qian X, Janssen-Heininger YM, van der Vliet A, Dixon AE, Amiel E, Poynter ME. Mitochondrial ROS induced by chronic ethanol exposure promote hyper-activation of the NLRP3 inflammasome. Redox Biology 2017, 12: 883-896. PMID: 28463821, PMCID: PMC5413213, DOI: 10.1016/j.redox.2017.04.020.Peer-Reviewed Original ResearchConceptsChronic ethanol exposureEthanol exposureNLRP3 inflammasomeInflammasome activationPro-inflammatory cytokines IL-1βHuman peripheral blood mononuclear cellsPeripheral blood mononuclear cellsLong-term ethanol exposureInflammation-linked diseasesNLRP3 inflammasome hyperactivationAberrant NLRP3 inflammasome activationBlood mononuclear cellsExposure of leukocytesCytokines IL-1βNLRP3 inflammasome activationIL-1β secretionNO scavenger carboxy-PTIOAlcohol use disorderMetabolism of ethanolScavenger carboxy-PTIOMouse macrophage cell lineIL-18IL-1βMononuclear cellsProlonged administration
2016
Uricase Inhibits Nitrogen Dioxide–Promoted Allergic Sensitization to Inhaled Ovalbumin Independent of Uric Acid Catabolism
Ather JL, Burgess EJ, Hoyt LR, Randall MJ, Mandal MK, Matthews DE, Boyson JE, Poynter ME. Uricase Inhibits Nitrogen Dioxide–Promoted Allergic Sensitization to Inhaled Ovalbumin Independent of Uric Acid Catabolism. The Journal Of Immunology 2016, 197: 1720-1732. PMID: 27465529, PMCID: PMC4992621, DOI: 10.4049/jimmunol.1600336.Peer-Reviewed Original ResearchConceptsAllergic airway diseaseAllergic sensitizationAirway diseaseUric acidDevelopment of OVAOVA-specific responsesAirways of miceUric acid levelsAdaptive immune responsesOVA-specific AbT cell proliferationPowerful inhibitory effectEnvironmental air pollutantsImmune deviationOVA challengeOVA uptakeDendritic cellsCytokine productionAdjuvant activityImmune responseRespiratory diseaseMouse modelUric acid formationInhibitory effectAcid levelsEthanol and Other Short-Chain Alcohols Inhibit NLRP3 Inflammasome Activation through Protein Tyrosine Phosphatase Stimulation
Hoyt LR, Ather JL, Randall MJ, DePuccio DP, Landry CC, Wewers MD, Gavrilin MA, Poynter ME. Ethanol and Other Short-Chain Alcohols Inhibit NLRP3 Inflammasome Activation through Protein Tyrosine Phosphatase Stimulation. The Journal Of Immunology 2016, 197: 1322-1334. PMID: 27421477, PMCID: PMC4975963, DOI: 10.4049/jimmunol.1600406.Peer-Reviewed Original ResearchConceptsTyrosine phosphorylationPattern recognition receptor complexTyrosine phosphatase inhibitor sodiumPhosphatase inhibitor sodiumCellular tyrosine phosphorylationNLRP3 inflammasome activationApical eventsNLRP3 inflammasomeProtein tyrosineMouse macrophage cell lineCARD (ASC) speck formationApoptosis-associated speck-like proteinMacrophage cell lineIL-1βInflammasome activationSpeck-like proteinReceptor complexMouse bone marrow-derived dendritic cellsBone marrow-derived dendritic cellsPhosphorylationMarrow-derived dendritic cellsProinflammatory cytokines IL-1βCell linesInhibitory effectCaspase-1 cleavage