1998
Effects of okadaic acid, calyculin A, and PDBu on state of phosphorylation of rat renal Na+-K+-ATPase
Li D, Cheng S, Fisone G, Caplan M, Ohtomo Y, Aperia A. Effects of okadaic acid, calyculin A, and PDBu on state of phosphorylation of rat renal Na+-K+-ATPase. American Journal Of Physiology 1998, 275: f863-f869. PMID: 9843902, DOI: 10.1152/ajprenal.1998.275.6.f863.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsDopamine and cAMP-Regulated Phosphoprotein 32Dose-Response Relationship, DrugEnzyme ActivationEnzyme InhibitorsIn Vitro TechniquesKidneyMaleMarine ToxinsNerve Tissue ProteinsOkadaic AcidOxazolesPhorbol 12,13-DibutyratePhosphoprotein PhosphatasesPhosphoproteinsPhosphorylationProtein Kinase CRatsRats, Sprague-DawleySodium-Potassium-Exchanging ATPaseConceptsState of phosphorylationOkadaic acidPP-2ACalyculin AProtein kinasePP-1PP-1 activityATPase alpha subunitProtein kinase C activatorProtein phosphatasePresence of PDBuAlpha subunitATPase phosphorylationPhosphorylationC activatorProtein 1Anti-alpha antibodyATPaseATPase activityKinaseSuch regulationPDBu inhibitionPDBuPhosphataseFK-506Differential localization of colonic H+-K+-ATPase isoforms in surface and crypt cells
Rajendran V, Singh S, Geibel J, Binder H. Differential localization of colonic H+-K+-ATPase isoforms in surface and crypt cells. American Journal Of Physiology 1998, 274: g424-g429. PMID: 9486199, DOI: 10.1152/ajpgi.1998.274.2.g424.Peer-Reviewed Original ResearchConceptsCrypt cellsColonic cryptsRat distal colonSurface cellsSurface epithelial cellsATPase isoformsOuabain-insensitive componentApical membraneDistal colonAcid loadDependent intracellularEpithelial cellsATPase activityCryptsDifferential localizationOuabainATPase alpha subunitCellsAlpha subunitCompelling evidenceIsoformsColonActivityRecovery
1994
Identification of the phosphorylation site for cAMP-dependent protein kinase on Na+,K(+)-ATPase and effects of site-directed mutagenesis.
Fisone G, Cheng S, Nairn A, Czernik A, Hemmings H, Höög J, Bertorello A, Kaiser R, Bergman T, Jörnvall H. Identification of the phosphorylation site for cAMP-dependent protein kinase on Na+,K(+)-ATPase and effects of site-directed mutagenesis. Journal Of Biological Chemistry 1994, 269: 9368-9373. PMID: 7510709, DOI: 10.1016/s0021-9258(17)37117-x.Peer-Reviewed Original ResearchMeSH Keywords1-Methyl-3-isobutylxanthineAmino Acid SequenceAnimalsBase SequenceColforsinCyclic AMP-Dependent Protein KinasesDNA PrimersKineticsMolecular Sequence DataMutagenesis, Site-DirectedPeptide MappingPeptidesPhosphoserineRatsRecombinant ProteinsSodium-Potassium-Exchanging ATPaseStructure-Activity RelationshipConceptsCAMP-dependent protein kinasePhosphorylation sitesProtein kinaseSignal transduction pathwaysWild-type enzymeSite-directed mutagenesisATPase alpha subunitAlpha 1 isoformCatalytic subunitTransduction pathwaysDependent phosphorylationSeryl residuesCOS cellsAlpha subunitIntact cellsATPaseKinasePhosphorylationEnzymeSubunitsCellsExperimental approachMutagenesisCDNAIsoforms
1987
Localization of Na+,K+-ATPase alpha-subunit to the sinusoidal and lateral but not canalicular membranes of rat hepatocytes.
Sztul ES, Biemesderfer D, Caplan MJ, Kashgarian M, Boyer JL. Localization of Na+,K+-ATPase alpha-subunit to the sinusoidal and lateral but not canalicular membranes of rat hepatocytes. Journal Of Cell Biology 1987, 104: 1239-1248. PMID: 3032985, PMCID: PMC2114466, DOI: 10.1083/jcb.104.5.1239.Peer-Reviewed Original ResearchConceptsAlpha-subunit bandsRat liver plasma membrane fractionsPlasma membraneAlpha subunitCatalytic activityMembrane fractionEntire plasma membranePlasma membrane fractionATPase alpha subunitIon-transporting epitheliaMonoclonal antibodiesWestern blotLiver plasma membrane fractionsBasolateral domainBasolateral distributionPolyclonal antibodies
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