2012
Activation of Soluble Adenylyl Cyclase Protects against Secretagogue Stimulated Zymogen Activation in Rat Pancreaic Acinar Cells
Kolodecik TR, Shugrue CA, Thrower EC, Levin LR, Buck J, Gorelick FS. Activation of Soluble Adenylyl Cyclase Protects against Secretagogue Stimulated Zymogen Activation in Rat Pancreaic Acinar Cells. PLOS ONE 2012, 7: e41320. PMID: 22844459, PMCID: PMC3402497, DOI: 10.1371/journal.pone.0041320.Peer-Reviewed Original ResearchConceptsProtein kinase AActivation of SACZymogen activationPancreatic acinar cellsSpecific subcellular domainsAcinar cellsActivation of zymogensCerulein-treated cellsSubcellular domainsDownstream targetsKinase ASAC activitySAC inhibitorAdenylyl cyclaseDistinct mechanismsAdenylyl cyclase inhibitorElevates levelsApical regionAmylase secretionCellsActivationAcinar cell vacuolizationCAMPCAMP accumulationCell vacuolizationCerulein hyperstimulation decreases AMP-activated protein kinase levels at the site of maximal zymogen activation
Shugrue C, Alexandre M, de Villalvilla A, Kolodecik TR, Young LH, Gorelick FS, Thrower EC. Cerulein hyperstimulation decreases AMP-activated protein kinase levels at the site of maximal zymogen activation. AJP Gastrointestinal And Liver Physiology 2012, 303: g723-g732. PMID: 22821946, PMCID: PMC3468535, DOI: 10.1152/ajpgi.00082.2012.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAminoimidazole CarboxamideAMP-Activated Protein KinasesAnimalsCells, CulturedCeruletideCyclic AMP-Dependent Protein KinasesEnzyme PrecursorsGene Expression RegulationMaleMetforminOctoxynolPancreasPhosphorylationPyrazolesPyrimidinesRatsRats, Sprague-DawleyRibonucleotidesSodium Dodecyl SulfateConceptsAdenosine monophosphate-activated protein kinaseZymogen activationAMPK activityPancreatic acinar cellsMonophosphate-activated protein kinaseVacuolar ATPase activityAMPK levelsDigestive enzyme zymogensAMPK effectsProtein kinaseProtein kinase levelsE subunitAcinar cellsTime-dependent translocationCompound CCellular modelPancreatitis responsesATPase activityDifferential centrifugationPremature activationChymotrypsin activityActivationInitiating eventSoluble fractionCerulein hyperstimulation
2007
Cyclic AMP-dependent protein kinase and Epac mediate cyclic AMP responses in pancreatic acini
Chaudhuri A, Husain SZ, Kolodecik TR, Grant WM, Gorelick FS. Cyclic AMP-dependent protein kinase and Epac mediate cyclic AMP responses in pancreatic acini. AJP Gastrointestinal And Liver Physiology 2007, 292: g1403-g1410. PMID: 17234888, PMCID: PMC2975017, DOI: 10.1152/ajpgi.00478.2005.Peer-Reviewed Original ResearchConceptsProtein kinaseZymogen activationCAMP-dependent protein kinaseStimulation of PKACyclic AMP-dependent protein kinasePancreatic acinar cellsAMP-dependent protein kinaseApical actin cytoskeletonCAMP-binding proteinsRole of PKAMuscarinic agonist carbacholIntracellular zymogen activationSupraphysiological concentrationsCAMP-dependent pathwayActin cytoskeletonApical cytoskeletonPhenotypic responsesPKA responseAgonist carbacholCarbachol-induced activationAcinar cellsDecreased secretionEpacCAMP pathwayPancreatic acini