2017
Human LACC1 increases innate receptor-induced responses and a LACC1 disease-risk variant modulates these outcomes
Lahiri A, Hedl M, Yan J, Abraham C. Human LACC1 increases innate receptor-induced responses and a LACC1 disease-risk variant modulates these outcomes. Nature Communications 2017, 8: 15614. PMID: 28593945, PMCID: PMC5472760, DOI: 10.1038/ncomms15614.Peer-Reviewed Original ResearchMeSH KeywordsBacteriaCells, CulturedCrohn DiseaseCytokinesElectron Transport Complex IIExtracellular Signal-Regulated MAP KinasesHumansImmunity, InnateIntracellular Signaling Peptides and ProteinsJNK Mitogen-Activated Protein KinasesMacrophagesNF-kappa BNod2 Signaling Adaptor ProteinP38 Mitogen-Activated Protein KinasesProteinsReactive Oxygen SpeciesReceptors, Pattern RecognitionRNA InterferenceRNA, Small InterferingSuccinate DehydrogenaseConceptsBacterial clearanceCytokine secretionDisease risk variantsReceptor-induced responsesMyeloid-derived cellsNOD2 stimulationRecognition receptorsHuman macrophagesSuccinate dehydrogenaseMtROS productionMitochondrial ROS productionROS productionOutcomesSDH activityMacrophagesSecretionFunctional consequencesClearanceLACC1PRRImportant contributorCellsDisease-associated lociReceptors
2015
MTMR3 risk allele enhances innate receptor-induced signaling and cytokines by decreasing autophagy and increasing caspase-1 activation
Lahiri A, Hedl M, Abraham C. MTMR3 risk allele enhances innate receptor-induced signaling and cytokines by decreasing autophagy and increasing caspase-1 activation. Proceedings Of The National Academy Of Sciences Of The United States Of America 2015, 112: 10461-10466. PMID: 26240347, PMCID: PMC4547281, DOI: 10.1073/pnas.1501752112.Peer-Reviewed Original ResearchMeSH KeywordsAllelesAutophagyCaspase 1CytokinesEnzyme ActivationGene Expression RegulationGenetic Predisposition to DiseaseGenotypeHomeostasisHumansInflammationInflammatory Bowel DiseasesLeukocytes, MononuclearLigandsMacrophagesMonocytesProtein Structure, TertiaryProtein Tyrosine Phosphatases, Non-ReceptorRisk FactorsRNA, Small InterferingSignal TransductionToll-Like ReceptorsConceptsPattern recognition receptorsCaspase-1 activationInflammatory bowel diseaseMTMR3 expressionReceptor-induced signalingHost pattern recognition receptorsCytokine secretionMultiple genetic lociPhosphatase domainMicrobial interactionsGenetic lociMTMR3Undefined roleAutophagyIL-1β secretionRecognition receptorsHuman macrophagesAutophagy levelEnhanced autophagyProtein 3Bowel diseaseCytokine productionRisk polymorphismsRisk allelesAltered functionA TPL2 (MAP3K8) disease-risk polymorphism increases TPL2 expression thereby leading to increased pattern recognition receptor-initiated caspase-1 and caspase-8 activation, signalling and cytokine secretion
Hedl M, Abraham C. A TPL2 (MAP3K8) disease-risk polymorphism increases TPL2 expression thereby leading to increased pattern recognition receptor-initiated caspase-1 and caspase-8 activation, signalling and cytokine secretion. Gut 2015, 65: 1799. PMID: 26215868, PMCID: PMC5106344, DOI: 10.1136/gutjnl-2014-308922.Peer-Reviewed Original ResearchConceptsCaspase-8 activationMonocyte-derived macrophagesAutocrine IL-1βIL-18 secretionHost-microbial interactionsCytokine secretionHuman monocyte-derived macrophagesHuman myeloid cellsMyeloid cellsCaspase-1Intestinal myeloid cellsPattern recognition receptorsOligomerisation domainIL-1βPrimary human myeloid cellsReal-time PCRFunctional consequencesTpl2NFκB signalingRecognition receptorsRNA expressionIntestinal immune homeostasisERKMyeloid-derived cellsJNK
2014
A TNFSF15 disease-risk polymorphism increases pattern-recognition receptor-induced signaling through caspase-8–induced IL-1
Hedl M, Abraham C. A TNFSF15 disease-risk polymorphism increases pattern-recognition receptor-induced signaling through caspase-8–induced IL-1. Proceedings Of The National Academy Of Sciences Of The United States Of America 2014, 111: 13451-13456. PMID: 25197060, PMCID: PMC4169936, DOI: 10.1073/pnas.1404178111.Peer-Reviewed Original ResearchMeSH KeywordsAcetylmuramyl-Alanyl-IsoglutamineADAM ProteinsADAM17 ProteinCaspase 8Cells, CulturedGenetic Predisposition to DiseaseHumansInterleukin-1LigandsMacrophagesMitogen-Activated Protein KinasesMycobacteriumMyeloid CellsNF-kappa BNod2 Signaling Adaptor ProteinPhosphatidylinositol 3-KinasesPolymorphism, Single NucleotideReceptors, Pattern RecognitionReceptors, Tumor Necrosis Factor, Member 25Signal TransductionSolubilityTissue Inhibitor of Metalloproteinase-3Tumor Necrosis Factor Ligand Superfamily Member 15ConceptsMost risk lociCaspase-8-dependent pathwayCytokine secretionGain of functionIntestinal myeloid cellsInflammatory bowel diseaseRisk lociIL-1 secretionTNFSF15 expressionPI3KPRR responsesBowel diseaseSignalingCytokine productionImmune homeostasisInflammatory diseasesHuman macrophagesIL-1Myeloid cellsAltered functionCytokinesTNFSF15MacrophagesSecretionDiseasePattern Recognition Receptor Signaling in Human Dendritic Cells is Enhanced by ICOS Ligand and Modulated by the Crohn’s Disease ICOSLG Risk Allele
Hedl M, Lahiri A, Ning K, Cho JH, Abraham C. Pattern Recognition Receptor Signaling in Human Dendritic Cells is Enhanced by ICOS Ligand and Modulated by the Crohn’s Disease ICOSLG Risk Allele. Immunity 2014, 40: 734-746. PMID: 24837102, PMCID: PMC4157904, DOI: 10.1016/j.immuni.2014.04.011.Peer-Reviewed Original ResearchMeSH KeywordsCells, CulturedCrohn DiseaseDendritic CellsEnzyme ActivationGTP-Binding ProteinsHL-60 CellsHumansInducible T-Cell Co-Stimulator LigandInducible T-Cell Co-Stimulator ProteinJNK Mitogen-Activated Protein KinasesMacrophagesNeoplasm ProteinsNF-kappa BNod2 Signaling Adaptor ProteinPhosphorylationPolymorphism, Single NucleotideProtein Kinase CReceptors for Activated C KinaseReceptors, Cell SurfaceReceptors, Pattern RecognitionRNA InterferenceRNA, Small InterferingSignal TransductionConceptsMonocyte-derived dendritic cellsInflammatory bowel diseaseCytokine secretionDendritic cellsImmune homeostasisICOS ligandHuman monocyte-derived dendritic cellsPattern recognition receptor signalingRisk allelesIntestinal immune homeostasisCrohn's disease phenotypeHuman dendritic cellsCostimulatory molecule ICOSOligomerization domain 2NF-κB activationDisease phenotypePattern recognition receptorsICOSL expressionBowel diseaseReceptor signalingRisk carriersSecretionHomeostasisKinases PKCSignaling
2013
NF-κB1 Inhibits NOD2-Induced Cytokine Secretion through ATF3-Dependent Mechanisms
Zheng S, Abraham C. NF-κB1 Inhibits NOD2-Induced Cytokine Secretion through ATF3-Dependent Mechanisms. Molecular And Cellular Biology 2013, 33: 4857-4871. PMID: 24100018, PMCID: PMC3889551, DOI: 10.1128/mcb.00797-13.Peer-Reviewed Original ResearchMeSH KeywordsActivating Transcription Factor 3AnimalsCells, CulturedCytokinesEpigenesis, GeneticGene Knockdown TechniquesHistonesHumansIleumMacrophagesMiceMice, Inbred C57BLMice, KnockoutNF-kappa B p50 SubunitNod1 Signaling Adaptor ProteinNod2 Signaling Adaptor ProteinPrimary Cell CulturePromoter Regions, GeneticProtein Processing, Post-TranslationalToll-Like Receptor 2Toll-Like Receptor 4Transcriptional ActivationConceptsChronic NOD2 stimulationIntestinal immune homeostasisCytokine secretionNOD2 stimulationNF-κB1Immune homeostasisHuman macrophagesNF-κB pathwayNF-κB1 expressionCytokine downregulationInhibitory pathwaysNOD2ATF3 expressionSecretionIntestinal environmentGene promoterCytokine gene promotersStimulationInhibitory histone modificationsATF3MacrophagesKnockdown conditionsCritical mechanismHomeostasisCytokines