2020
Enteric Nervous System-Derived IL-18 Orchestrates Mucosal Barrier Immunity
Jarret A, Jackson R, Duizer C, Healy ME, Zhao J, Rone JM, Bielecki P, Sefik E, Roulis M, Rice T, Sivanathan KN, Zhou T, Solis AG, Honcharova-Biletska H, Vélez K, Hartner S, Low JS, Qu R, de Zoete MR, Palm NW, Ring AM, Weber A, Moor AE, Kluger Y, Nowarski R, Flavell RA. Enteric Nervous System-Derived IL-18 Orchestrates Mucosal Barrier Immunity. Cell 2020, 180: 50-63.e12. PMID: 31923399, PMCID: PMC7339937, DOI: 10.1016/j.cell.2019.12.016.Peer-Reviewed Original ResearchConceptsEnteric nervous systemSingle-cell sequencingMucosal barrier immunitySingle-molecule fluorescenceIL-18Non-redundant roleSitu mRNA hybridization studiesEpithelial cellsUnbiased RNA sequencingRNA sequencingProtein responseBarrier immunityNervous systemConfocal microscopyCytokine IL-18Hybridization studiesInvasive bacterial infectionsSalmonella typhimurium infectionSequencingProfound consequencesIntestinal neuronsEnteric neuronsIntestinal immunityMucosal barrierTyphimurium infection
2016
Identifying species of symbiont bacteria from the human gut that, alone, can induce intestinal Th17 cells in mice
Tan T, Sefik E, Geva-Zatorsky N, Kua L, Naskar D, Teng F, Pasman L, Ortiz-Lopez A, Jupp R, Wu H, Kasper D, Benoist C, Mathis D. Identifying species of symbiont bacteria from the human gut that, alone, can induce intestinal Th17 cells in mice. Proceedings Of The National Academy Of Sciences Of The United States Of America 2016, 113: e8141-e8150. PMID: 27911839, PMCID: PMC5167147, DOI: 10.1073/pnas.1617460113.Peer-Reviewed Original ResearchConceptsIntestinal Th17 cellsB. adolescentisTh17 cell accumulationTh17 cellsHuman gutBifidobacterium strainsBifidobacterium adolescentisBacterial speciesTranscriptional programsIdentified speciesSymbiont bacteriaCell accumulationProbiotic preparationGut epitheliumInduce Th17 cellsMurine intestineK/BxN mouse modelFunctional microbesInoculation of miceFilamentous bacteriaMicrobesAttending inflammationBacteriaGutAutoimmune arthritis
2015
Individual intestinal symbionts induce a distinct population of RORγ+ regulatory T cells
Sefik E, Geva-Zatorsky N, Oh S, Konnikova L, Zemmour D, McGuire AM, Burzyn D, Ortiz-Lopez A, Lobera M, Yang J, Ghosh S, Earl A, Snapper SB, Jupp R, Kasper D, Mathis D, Benoist C. Individual intestinal symbionts induce a distinct population of RORγ+ regulatory T cells. Science 2015, 349: 993-997. PMID: 26272906, PMCID: PMC4700932, DOI: 10.1126/science.aaa9420.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBacteriaBacteroidetesColitis, UlcerativeColonForkhead Transcription FactorsHomeostasisHumansImmunity, MucosalIntestinal MucosaMice, Inbred C57BLMicrobiotaNuclear Receptor Subfamily 1, Group F, Member 3SymbiosisTh17 CellsT-Lymphocyte SubsetsT-Lymphocytes, RegulatoryTranscription, GeneticTranscriptomeConceptsRegulatory T cellsImmuno-inflammatory responseT helper 17 (Th17) cell differentiationTranscription factor Foxp3Important effector moleculeRegulatory cellsHuman gut microbiotaFactor Foxp3T cellsRelated cell typesGut microbiotaMouse colonRORγSymbiotic membersIntestinal symbiontsFoxp3Tissue homeostasisEffector moleculesCell differentiationCell typesDistinct populationsCellsDifferent outcomesInflammation