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
2015
Chronic Nicotine Exposure In Vivo and In Vitro Inhibits Vitamin B1 (Thiamin) Uptake by Pancreatic Acinar Cells
Srinivasan P, Thrower EC, Loganathan G, Balamurugan AN, Subramanian VS, Gorelick FS, Said HM. Chronic Nicotine Exposure In Vivo and In Vitro Inhibits Vitamin B1 (Thiamin) Uptake by Pancreatic Acinar Cells. PLOS ONE 2015, 10: e0143575. PMID: 26633299, PMCID: PMC4669105, DOI: 10.1371/journal.pone.0143575.Peer-Reviewed Original ResearchConceptsHuman pancreatic acinar cellsPancreatic acinar cellsNormal cellular functionThiamin uptakeTHTR-1Chronic exposureMurine pancreatic acinar cellsThiamin uptake processCellular functionsAcinar cellsThiamin pyrophosphokinaseMolecular biologyThiamin transporter-1Mouse pancreatic acinar cellsSpecific carrier-mediated processMitochondrial dysfunctionTHTR-2Chronic nicotine exposureTransporter 1Oxidative stressProteinExpressionNicotine impairsUptake processNicotine exposure