1996
Na:K:2Cl Cotransporter (NKCC) of Intestinal Epithelial Cells SURFACE EXPRESSION IN RESPONSE TO cAMP*
D'Andrea L, Lytle C, Matthews J, Hofman P, Forbush B, Madara J. Na:K:2Cl Cotransporter (NKCC) of Intestinal Epithelial Cells SURFACE EXPRESSION IN RESPONSE TO cAMP*. Journal Of Biological Chemistry 1996, 271: 28969-28976. PMID: 8910547, DOI: 10.1074/jbc.271.46.28969.Peer-Reviewed Original ResearchConceptsChloride secretionSurface expressionBumetanide-sensitive NaMonoclonal antibodiesIntestinal chloride secretionIncreased surface expressionCell surface expressionEpithelial cell lineNKCC activityT84 monolayersCotransport activityAgonist stimulationCAMP agonistsEpithelial uptakeCotransporterBasolateral domainIntestinal epitheliaSurface biotinylationNKCCConfocal localizationApproximately 6-foldCell linesF-actin cytoskeletonSecretionImmunoelectron microscopyRegulatory phosphorylation of the secretory Na-K-Cl cotransporter: modulation by cytoplasmic Cl
Lytle C, Forbush B. Regulatory phosphorylation of the secretory Na-K-Cl cotransporter: modulation by cytoplasmic Cl. American Journal Of Physiology 1996, 270: c437-c448. PMID: 8779905, DOI: 10.1152/ajpcell.1996.270.2.c437.Peer-Reviewed Original ResearchConceptsNa-K-Cl cotransporterNa-K-ClCotransport activityNa-K-Cl cotransport proteinResponse to cell shrinkageIncreased cotransport activityExtracellular K concentrationBlocking activityRefractory to forskolinPhosphatase inhibitor calyculin AInhibitor calyculin AShark rectal glandCotransporter proteinCytoplasmic Cl-CotransporterCell ClSecretory stimuliCell shrinkageCalyculin APhosphorylationRate of entryRegulatory phosphorylationPhosphorylation stateSecretory tubulesRectal gland
1992
The Na-K-Cl cotransporter of avian salt gland. Phosphorylation in response to cAMP-dependent and calcium-dependent secretogogues.
Torchia J, Lytle C, Pon D, Forbush B, Sen A. The Na-K-Cl cotransporter of avian salt gland. Phosphorylation in response to cAMP-dependent and calcium-dependent secretogogues. Journal Of Biological Chemistry 1992, 267: 25444-25450. PMID: 1281159, DOI: 10.1016/s0021-9258(19)74061-7.Peer-Reviewed Original ResearchMeSH Keywords1-Methyl-3-isobutylxanthine8-Bromo Cyclic Adenosine MonophosphateAnimalsBlotting, WesternCalciumCarbacholCarrier ProteinsCell MembraneColforsinCyclic AMPDucksKineticsMembrane ProteinsPhosphatesPhosphorylationSalt GlandSodium-Potassium-Chloride SymportersTime FactorsVasoactive Intestinal PeptideConceptsNa-K-Cl cotransporterPhosphorylation of pp170Avian salt glandMonoclonal antibodiesResponse to carbacholEffect of forskolinNa-K-ClIntact cell preparationsConcentration-dependent increaseStimulation of secretionIncreased approximately 5-foldCAMP accumulationExposure of cellsCAMP-dependent protein kinasePp170Approximately 5-foldCell preparationsCAMP-dependentSalt gland cellsGland membranesWestern blottingForskolinSecretogoguesVIPAntibodiesThe Na-K-Cl cotransport protein of shark rectal gland. II. Regulation by direct phosphorylation.
Lytle C, Forbush B. The Na-K-Cl cotransport protein of shark rectal gland. II. Regulation by direct phosphorylation. Journal Of Biological Chemistry 1992, 267: 25438-25443. PMID: 1334094, DOI: 10.1016/s0021-9258(19)74060-5.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsCarrier ProteinsChromatography, High Pressure LiquidCyclic AMPDogfishHypertonic SolutionsIsoquinolinesKineticsMembrane ProteinsMolecular Sequence DataPeptide FragmentsPhosphorylationProtein Kinase InhibitorsRectumSebaceous GlandsSodium-Potassium-Chloride SymportersSulfanilamidesThionucleotidesConceptsNa-K-Cl cotransport proteinNa-K-ClCotransporter proteinShark rectal glandCell shrinkageCAMP-dependent secretagoguesRectal gland tubulesOsmotically induced changesCotransporter phosphorylationCotransport activityKinase inhibitorsProtein kinase inhibitorsCotransporterPhosphorylation stateRectal glandActive stateH-8K-252aTubulesGlandPhosphorylationCDNA analysisCellsIncreased 5Protein phosphorylationNa-K-Cl cotransport in the shark rectal gland. II. Regulation in isolated tubules
Lytle C, Forbush B. Na-K-Cl cotransport in the shark rectal gland. II. Regulation in isolated tubules. American Journal Of Physiology 1992, 262: c1009-c1017. PMID: 1314482, DOI: 10.1152/ajpcell.1992.262.4.c1009.Peer-Reviewed Original ResearchConceptsNa-K-Cl cotransporterNa-K-ClShark rectal glandInhibitor of Na-K-Cl cotransportApical Cl- channelsCell shrinkageEffects of secretagoguesOsmotically induced changesSensitivity to cAMPCl- channelsExtracellular sodiumIsolated tubulesCotransporterHormonal modulationSecretory stimuliSignal transduction pathwaysSecretagoguesRectal glandTubulesRectal gland secretionHypertonicityCell volumeTransduction pathwaysGlandCells