Featured Publications
Commensal microbiota from patients with inflammatory bowel disease produce genotoxic metabolites
Cao Y, Oh J, Xue M, Huh WJ, Wang J, Gonzalez-Hernandez JA, Rice TA, Martin AL, Song D, Crawford JM, Herzon SB, Palm NW. Commensal microbiota from patients with inflammatory bowel disease produce genotoxic metabolites. Science 2022, 378: eabm3233. PMID: 36302024, PMCID: PMC9993714, DOI: 10.1126/science.abm3233.Peer-Reviewed Original ResearchConceptsColorectal cancerInflammatory bowel disease patientsBowel disease patientsInflammatory bowel diseaseIndigenous gut microbesBowel diseaseDisease patientsCommensal microbiotaDNA damageColon tumorigenesisElicit DNA damageGut microbesGenotoxic metabolitesGut commensalsMorganella morganiiPatientsGenotoxic chemicalsDiseaseMicrobiotaMetabolitesGenotoxicityCancerMiceFull spectrumDamageInterspecies commensal interactions have nonlinear impacts on host immunity
Rice TA, Bielecka AA, Nguyen MT, Rosen CE, Song D, Sonnert ND, Yang Y, Cao Y, Khetrapal V, Catanzaro JR, Martin AL, Rashed SA, Leopold SR, Hao L, Yu X, van Dijk D, Ring AM, Flavell RA, de Zoete MR, Palm NW. Interspecies commensal interactions have nonlinear impacts on host immunity. Cell Host & Microbe 2022, 30: 988-1002.e6. PMID: 35640610, PMCID: PMC9283318, DOI: 10.1016/j.chom.2022.05.004.Peer-Reviewed Original ResearchConceptsImmunological outcomesCell activationIntestinal epithelial cell activationInflammatory bowel disease patientsBowel disease patientsDendritic cell activationMesenteric lymph nodesSystemic antibody responsesEpithelial cell activationImmunological milieuLymph nodesAntibody responseDisease patientsAkkermansia muciniphilaGnotobiotic miceHost immunityCommensal microbesHuman cohortsHuman gut bacteriaGut bacteriaMiceAllobaculumMuciniphilaDiseaseIncomplete penetranceA Forward Chemical Genetic Screen Reveals Gut Microbiota Metabolites That Modulate Host Physiology
Chen H, Nwe PK, Yang Y, Rosen CE, Bielecka AA, Kuchroo M, Cline GW, Kruse AC, Ring AM, Crawford JM, Palm NW. A Forward Chemical Genetic Screen Reveals Gut Microbiota Metabolites That Modulate Host Physiology. Cell 2019, 177: 1217-1231.e18. PMID: 31006530, PMCID: PMC6536006, DOI: 10.1016/j.cell.2019.03.036.Peer-Reviewed Original ResearchConceptsHost physiologyBioactive microbial metabolitesHuman gut bacteriaHost sensingProlific producersG proteinsGut microbiota metabolitesBlood-brain barrierL-PheMicrobial metabolitesOrphan GPCRsGut bacteriaColonic motilityInhibitor administrationMicrobiota metabolitesIntestinal microbiotaSmall moleculesDietary histidineBacteriaPhysiologyMicrobiota metabolomeMetabolitesGPR97Orthogonal approachGPCRsImmunoglobulin A Coating Identifies Colitogenic Bacteria in Inflammatory Bowel Disease
Palm NW, de Zoete MR, Cullen TW, Barry NA, Stefanowski J, Hao L, Degnan PH, Hu J, Peter I, Zhang W, Ruggiero E, Cho JH, Goodman AL, Flavell RA. Immunoglobulin A Coating Identifies Colitogenic Bacteria in Inflammatory Bowel Disease. Cell 2014, 158: 1000-1010. PMID: 25171403, PMCID: PMC4174347, DOI: 10.1016/j.cell.2014.08.006.Peer-Reviewed Original ResearchConceptsInflammatory bowel diseaseBowel diseaseIgA coatingIntestinal microbiotaIntestinal bacteriaGerm-free miceIBD patientsIntestinal diseaseImmunoglobulin AMouse modelDiseaseAnaerobic culturingDramatic susceptibilityTargeted eliminationDisease developmentDisease susceptibilityMiceCell sortingMicrobiotaBacterial cell sortingFecal bacteriaSuch bacteriaColitisPatientsIgA
2013
Bee Venom Phospholipase A2 Induces a Primary Type 2 Response that Is Dependent on the Receptor ST2 and Confers Protective Immunity
Palm NW, Rosenstein RK, Yu S, Schenten DD, Florsheim E, Medzhitov R. Bee Venom Phospholipase A2 Induces a Primary Type 2 Response that Is Dependent on the Receptor ST2 and Confers Protective Immunity. Immunity 2013, 39: 976-985. PMID: 24210353, PMCID: PMC3852615, DOI: 10.1016/j.immuni.2013.10.006.Peer-Reviewed Original ResearchMeSH KeywordsAnaphylaxisAnimalsBee VenomsCrotalid VenomsGenes, ReporterImmunity, InnateImmunoglobulin EImmunoglobulin GInsect ProteinsInterleukin-1 Receptor-Like 1 ProteinInterleukin-33Interleukin-4InterleukinsLymphocyte ActivationLysophospholipidsMelittenMembrane LipidsMiceMice, Inbred BALB CMice, KnockoutMyeloid Differentiation Factor 88OvalbuminPhospholipases A2PhospholipidsReceptors, IgEReceptors, InterleukinTh2 CellsConceptsInnate immune systemBee venom phospholipase A2Components of venomPhospholipase A2Immune responseGroup 2 Innate Lymphoid Cell ActivationVenom phospholipase A2Immune systemInnate lymphoid cell activationType 2 immune responsesLymphoid cell activationType 2 responsesProtective immune responseConfer protective immunityIgE responseInterleukin-33Receptor ST2Protective immunityCell type responsesCell activationLethal doseMajor allergenBee venomAllergensVenom toxins