2019
LACC1 Required for NOD2-Induced, ER Stress-Mediated Innate Immune Outcomes in Human Macrophages and LACC1 Risk Variants Modulate These Outcomes
Huang C, Hedl M, Ranjan K, Abraham C. LACC1 Required for NOD2-Induced, ER Stress-Mediated Innate Immune Outcomes in Human Macrophages and LACC1 Risk Variants Modulate These Outcomes. Cell Reports 2019, 29: 4525-4539.e4. PMID: 31875558, PMCID: PMC7372507, DOI: 10.1016/j.celrep.2019.11.105.Peer-Reviewed Original ResearchMeSH KeywordsActivating Transcription Factor 6EIF-2 KinaseEndoplasmic ReticulumEndoplasmic Reticulum StressEndoribonucleasesEnterococcus faecalisEscherichia coliGene Expression RegulationHeLa CellsHost-Pathogen InteractionsHumansImmunity, InnateIntracellular Signaling Peptides and ProteinsMacrophagesNod2 Signaling Adaptor ProteinPhagocytosisPrimary Cell CultureProtein Serine-Threonine KinasesRiskSignal TransductionConceptsEndoplasmic reticulumER stressER stress sensorsHuman macrophagesInnate immune outcomesDisease risk variantsMultiple immune-mediated diseasesLaccase domainPattern recognition receptor NOD2HeLa cellsAntimicrobial pathwaysRisk variantsGenetic variantsLACC1Critical roleVariantsMacrophagesATF6IRE1αArg284SignalingReticulumStressTransfectionPERK
2016
IRF5 and IRF5 Disease-Risk Variants Increase Glycolysis and Human M1 Macrophage Polarization by Regulating Proximal Signaling and Akt2 Activation
Hedl M, Yan J, Abraham C. IRF5 and IRF5 Disease-Risk Variants Increase Glycolysis and Human M1 Macrophage Polarization by Regulating Proximal Signaling and Akt2 Activation. Cell Reports 2016, 16: 2442-2455. PMID: 27545875, PMCID: PMC5165654, DOI: 10.1016/j.celrep.2016.07.060.Peer-Reviewed Original ResearchMeSH KeywordsAcetylmuramyl-Alanyl-IsoglutamineAdjuvants, ImmunologicAnimalsCell DifferentiationGene Expression RegulationGlycolysisHumansHypoxia-Inducible Factor 1, alpha SubunitInterferon Regulatory FactorsInterleukin-1 Receptor-Associated KinasesIntracellular Signaling Peptides and ProteinsMacrophagesMiceMice, Inbred C57BLMice, KnockoutMutationNod2 Signaling Adaptor ProteinPrimary Cell CultureProtein BindingProto-Oncogene Proteins c-aktReceptor-Interacting Protein Serine-Threonine Kinase 2Signal TransductionTNF Receptor-Associated Factor 6ConceptsInterferon regulatory factor 5Akt2 activationPro-inflammatory cytokinesM1 macrophage polarizationGlycolytic pathway genesHuman macrophagesDisease-associated polymorphismsM1 polarizationMacrophage polarizationInflammatory M1 macrophage polarizationPathway genesProximal signalingOligomerization domainRegulatory factor 5Glycolytic pathwayEnhanced glycolysisGenetic variantsGlycolysisMetabolic outcomesIRF5 expressionM1 macrophagesCentral mediatorFactor 5CytokinesMacrophages
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 cellsJNKTwist1 and Twist2 Contribute to Cytokine Downregulation following Chronic NOD2 Stimulation of Human Macrophages through the Coordinated Regulation of Transcriptional Repressors and Activators
Zheng S, Hedl M, Abraham C. Twist1 and Twist2 Contribute to Cytokine Downregulation following Chronic NOD2 Stimulation of Human Macrophages through the Coordinated Regulation of Transcriptional Repressors and Activators. The Journal Of Immunology 2015, 195: 217-226. PMID: 26019273, PMCID: PMC4501480, DOI: 10.4049/jimmunol.1402808.Peer-Reviewed Original ResearchMeSH KeywordsAcetylmuramyl-Alanyl-IsoglutamineActivating Transcription Factor 4Antibodies, NeutralizingCCAAT-Enhancer-Binding ProteinsCore Binding Factor Alpha 1 SubunitCore Binding Factor Alpha 2 SubunitGene Expression RegulationHumansInterleukin-10Macrophage ActivationMacrophagesNod2 Signaling Adaptor ProteinNuclear ProteinsPolycomb Repressive Complex 1Primary Cell CulturePromoter Regions, GeneticProtein BindingProto-Oncogene Proteins c-mafRepressor ProteinsRNA, Small InterferingSignal TransductionTranscription, GeneticTransforming Growth Factor betaTwist-Related Protein 1ConceptsChronic NOD2 stimulationCytokine downregulationNOD2 stimulationTwist2 expressionHuman macrophagesTGF-β dependentIntestinal immune homeostasisC-MafOligomerization domain 2IL-10Intestinal macrophagesImmune homeostasisTranscription factor 4PRR stimulationAcute stimulationDecreased expressionMacrophagesBMI1 expressionCytokinesNOD2StimulationTwist1DownregulationTranscriptional repressor Bmi1Factor 4
2014
Activation of Pattern Recognition Receptors Up-Regulates Metallothioneins, Thereby Increasing Intracellular Accumulation of Zinc, Autophagy, and Bacterial Clearance by Macrophages
Lahiri A, Abraham C. Activation of Pattern Recognition Receptors Up-Regulates Metallothioneins, Thereby Increasing Intracellular Accumulation of Zinc, Autophagy, and Bacterial Clearance by Macrophages. Gastroenterology 2014, 147: 835-846. PMID: 24960189, PMCID: PMC4170054, DOI: 10.1053/j.gastro.2014.06.024.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnti-Bacterial AgentsAutophagyCaspase 1Cells, CulturedDNA-Binding ProteinsGene Expression RegulationHumansIntestinal MucosaIntestinesMacrophagesMetallothioneinMiceMice, Inbred C57BLMice, KnockoutNF-kappa BNod2 Signaling Adaptor ProteinRNA InterferenceTime FactorsToll-Like ReceptorsTranscription FactorsTransfectionZincConceptsMetal-regulatory transcription factor 1Human monocyte-derived macrophagesPattern recognition receptorsMonocyte-derived macrophagesIntracellular zincMyeloid-derived cellsSmall interfering RNAsBacterial clearanceGentamicin protection assaysInduction of autophagyTranscription factor 1Metallothionein geneMultiple genesInterfering RNAsIntestinal macrophagesSpecific proteinsOligomerization domain 2Domain 2Toll-like receptor 5AutophagyIntestinal lamina propria cellsContinuous stimulationSpecific pathogen-free facilityProtection assaysInduces expression