2018
Cigarette toxin 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) induces experimental pancreatitis through α7 nicotinic acetylcholine receptors (nAChRs) in mice
Alahmari AA, Sreekumar B, Patel V, Ashat M, Alexandre M, Uduman AK, Akinbiyi EO, Ceplenski A, Shugrue CA, Kolodecik TR, Tashkandi N, Messenger SW, Groblewski GE, Gorelick FS, Thrower EC. Cigarette toxin 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) induces experimental pancreatitis through α7 nicotinic acetylcholine receptors (nAChRs) in mice. PLOS ONE 2018, 13: e0197362. PMID: 29870540, PMCID: PMC5988302, DOI: 10.1371/journal.pone.0197362.Peer-Reviewed Original ResearchConceptsNNK treatmentHuman acinar cellsNicotinic acetylcholine receptorsTrypsinogen activationAcetylcholine receptorsΑ7 nicotinic acetylcholine receptorIndependent risk factorMarkers of inflammationAcinar cellsΑ7nAChR knockout miceΑ7nAChR activationNeutrophil infiltrationWT miceAcute pancreatitisC57BL/6 miceCigarette smokingPancreatic edemaRisk factorsClinical studiesPancreatitisCigarette smokeKnockout miceExperimental pancreatitisΑ7 isoformPyknotic nuclei
2016
Inhibition of pancreatic acinar mitochondrial thiamin pyrophosphate uptake by the cigarette smoke component 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone
Srinivasan P, Thrower EC, Gorelick FS, Said HM. Inhibition of pancreatic acinar mitochondrial thiamin pyrophosphate uptake by the cigarette smoke component 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone. AJP Gastrointestinal And Liver Physiology 2016, 310: g874-g883. PMID: 26999808, PMCID: PMC4888549, DOI: 10.1152/ajpgi.00461.2015.Peer-Reviewed Original ResearchMeSH KeywordsAcinar CellsAnimalsAnion Transport ProteinsBiological TransportCarcinogensCell LineHistonesMiceMice, Inbred C57BLMitochondrial Membrane Transport ProteinsMitochondrial ProteinsNitrosaminesPancreasPromoter Regions, GeneticProtein Processing, Post-TranslationalRNA, MessengerThiamine PyrophosphateTobacco Smoke PollutionConceptsPancreatic acinar cellsThiamin pyrophosphateEffect of NNKSpecific plasma membrane transporterPlasma membrane transportersNormal mitochondrial functionMTPPT proteinHistone modificationsH3K4 trimethylationNuclear RNAH3K9 acetylationHeterogenous nuclear RNAMethylation profilesPromoter activityMitochondrial functionChronic exposureReduced expressionNormal metabolismTranscriptionΑ7 nicotinic acetylcholine receptorAcetylcholine receptorsCigarette smoke toxinsTransportersAcinar cellsUptake process