2023
Single cell analysis via mass cytometry of spontaneous intestinal perforation reveals alterations in small intestinal innate and adaptive mucosal immunity
Olaloye O, Eke C, Jolteus A, Konnikova L. Single cell analysis via mass cytometry of spontaneous intestinal perforation reveals alterations in small intestinal innate and adaptive mucosal immunity. Frontiers In Immunology 2023, 14: 995558. PMID: 36825028, PMCID: PMC9941693, DOI: 10.3389/fimmu.2023.995558.Peer-Reviewed Original ResearchConceptsSpontaneous intestinal perforationMucosal immune dysfunctionSevere gastrointestinal complicationsSmall intestinal mucosaMass cytometry timeGastrointestinal complicationsIntestinal perforationEnteral feedsImmune dysfunctionPremature infantsWeeks' gestationTerminal ileumCytometry timeIntestinal mucosaDisease pathogenesisLocalized perforationFirst weekPatientsSurgeryGestationPerforationPrematurityComplicationsDysfunctionMucosa
2022
Immune landscape of human placental villi using single-cell analysis
Toothaker JM, Olaloye O, McCourt BT, McCourt CC, Silva TN, Case RM, Liu P, Yimlamai D, Tseng G, Konnikova L. Immune landscape of human placental villi using single-cell analysis. Development 2022, 149 PMID: 35050308, PMCID: PMC8935213, DOI: 10.1242/dev.200013.Peer-Reviewed Original ResearchMeSH KeywordsAntigens, CDAntigens, Differentiation, MyelomonocyticB7-H1 AntigenB-LymphocytesChorionic VilliFemaleFetusFlow CytometryHLA-DR AntigensHumansKiller Cells, NaturalLeukocyte Common AntigensLymphocyte ActivationMacrophagesMemory T CellsPlacentaPregnancyPregnancy Trimester, SecondReceptors, Cell SurfaceReceptors, ChemokineSingle-Cell AnalysisT-LymphocytesConceptsT cellsHuman placental villiPlacental villiImmune systemFetal immune systemMaternal immune systemFetal immune cellsAdult T-cellT cell receptor stimulationCell receptor stimulationHealthy pregnancyImmune landscapeMemory phenotypeImmune cellsFetal organsEnhanced proliferative capacityReceptor stimulationMultiple subtypesPV tissueComplex immune systemImaging modalitiesMass cytometryProliferative capacityMaternal mechanismsRecent reports
2021
CD16+CD163+ monocytes traffic to sites of inflammation during necrotizing enterocolitis in premature infants
Olaloye OO, Liu P, Toothaker JM, McCourt BT, McCourt CC, Xiao J, Prochaska E, Shaffer S, Werner L, Faculty U, Faculty U, Gringauz J, Good M, Goldsmith JD, An X, Wang F, Snapper SB, Shouval D, Chen K, Tseng G, Konnikova L. CD16+CD163+ monocytes traffic to sites of inflammation during necrotizing enterocolitis in premature infants. Journal Of Experimental Medicine 2021, 218: e20200344. PMID: 34269788, PMCID: PMC8289692, DOI: 10.1084/jem.20200344.Peer-Reviewed Original ResearchMeSH KeywordsAntigens, CDAntigens, Differentiation, MyelomonocyticBlood VesselsCase-Control StudiesChemotaxisEnterocolitis, NecrotizingGastric MucosaGPI-Linked ProteinsHumansInfantInfant, NewbornIntestine, SmallMonocytesNeutropeniaNeutrophilsPhagocytosisReactive Oxygen SpeciesReceptors, Cell SurfaceReceptors, IgGSequence Analysis, RNASingle-Cell AnalysisConceptsSurgical NECCirculation of infantsDistinct neutrophil phenotypesSevere gastrointestinal complicationsAreas of inflammationSites of inflammationMonocyte trafficGastrointestinal complicationsPremature infantsNeutrophil phenotypeSevere inflammationInflammatory genesPotential biomarkersSingle-cell RNA sequencingOxygen species generationInflammationNovel subtypeBlood vesselsMass cytometryNECEnterocolitisMucosaInfantsMϕsSpecies generation