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
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