2016
N-glycosylation critically regulates function of oxalate transporter SLC26A6
Thomson RB, Thomson CL, Aronson PS. N-glycosylation critically regulates function of oxalate transporter SLC26A6. American Journal Of Physiology - Cell Physiology 2016, 311: c866-c873. PMID: 27681177, PMCID: PMC5206297, DOI: 10.1152/ajpcell.00171.2016.Peer-Reviewed Original ResearchConceptsPlasma membraneIntegral membrane proteinsCell surface deliverySLC26A6 functionTissue-specific differencesGlycosylation mutantsMembrane proteinsN-glycosylationSurface deliveryBiotinylation studiesOxalate transporterOxalate homeostasisSecond extracellular loopExtracellular loopIntact cellsEnzymatic deglycosylation studiesTransport activityEnzymatic deglycosylationFunctional studiesDeglycosylation studiesGlycosylationPutative second extracellular loopTransport functionFunctional significanceEssential role
2014
Cyclic GMP Kinase II (cGKII) Inhibits NHE3 by Altering Its Trafficking and Phosphorylating NHE3 at Three Required Sites IDENTIFICATION OF A MULTIFUNCTIONAL PHOSPHORYLATION SITE*
Chen T, Kocinsky HS, Cha B, Murtazina R, Yang J, Tse CM, Singh V, Cole R, Aronson PS, de Jonge H, Sarker R, Donowitz M. Cyclic GMP Kinase II (cGKII) Inhibits NHE3 by Altering Its Trafficking and Phosphorylating NHE3 at Three Required Sites IDENTIFICATION OF A MULTIFUNCTIONAL PHOSPHORYLATION SITE*. Journal Of Biological Chemistry 2014, 290: 1952-1965. PMID: 25480791, PMCID: PMC4303652, DOI: 10.1074/jbc.m114.590174.Peer-Reviewed Original ResearchAnimalsBinding SitesCaco-2 CellsCell MembraneCyclic GMP-Dependent Protein Kinase Type IIDexamethasoneHumansIntestinal MucosaMass SpectrometryMiceMicrovilliMutagenesisPhosphorylationProtein Structure, TertiaryProtein TransportSerineSodium-Hydrogen Exchanger 3Sodium-Hydrogen ExchangersSurface PropertiesTransfection
2013
Ezrin Is Required for the Functional Regulation of the Epithelial Sodium Proton Exchanger, NHE3
Hayashi H, Tamura A, Krishnan D, Tsukita S, Suzuki Y, Kocinsky HS, Aronson PS, Orlowski J, Grinstein S, Alexander RT. Ezrin Is Required for the Functional Regulation of the Epithelial Sodium Proton Exchanger, NHE3. PLOS ONE 2013, 8: e55623. PMID: 23405179, PMCID: PMC3566197, DOI: 10.1371/journal.pone.0055623.Peer-Reviewed Original ResearchMeSH KeywordsActin CytoskeletonAnimalsColonCyclic AMPCytoskeletal ProteinsDogsEpithelial CellsFluorescence Recovery After PhotobleachingHumansMadin Darby Canine Kidney CellsMaleMembrane ProteinsMiceMice, KnockoutMicrofilament ProteinsMicrovilliOctoxynolPhosphorylationProtein TransportRNA, Small InterferingSodiumSodium-Hydrogen Exchanger 3Sodium-Hydrogen ExchangersConceptsApical actin cytoskeletonNHE3 activitySodium hydrogen exchanger isoform 3CAMP-dependent inhibitionEzrin knockdown miceERM proteinsActin cytoskeletonSodium-proton exchangerApical cytoskeletonApical localizationFunctional regulationWild-type animalsEpithelial cell culture modelEzrinProton exchangersFluorescent recoveryEpithelial phenotypeCytoskeletonMolecular determinantsCell culture modelExchanger isoform 3Functional studiesNon-targeting siRNAApical membraneIsoform 3
2011
Cholinergic signaling inhibits oxalate transport by human intestinal T84 cells
Hassan HA, Cheng M, Aronson PS. Cholinergic signaling inhibits oxalate transport by human intestinal T84 cells. American Journal Of Physiology - Cell Physiology 2011, 302: c46-c58. PMID: 21956166, PMCID: PMC3328906, DOI: 10.1152/ajpcell.00075.2011.Peer-Reviewed Original ResearchConceptsC-SrcT84 cellsHuman intestinal cell line T84PKC-δ inhibitor rottlerinSrc inhibitor PP2Intestinal cell line T84Human intestinal T84 cellsSurface expressionMuscarinic receptorsRegulation downstreamInhibitor PP2Phosphorylation studiesBiotinylation studiesInhibitor rottlerinKnockdown studiesPharmacological inhibitorsIntestinal T84 cellsIntestinal oxalate secretionPhospholipase CIntestinal ion transportPKC activationSignificant translocationCalcium oxalate urolithiasisPKCAnion exchanger SLC26A6
2006
Regulation of anion exchanger Slc26a6 by protein kinase C
Hassan HA, Mentone S, Karniski LP, Rajendran VM, Aronson PS. Regulation of anion exchanger Slc26a6 by protein kinase C. American Journal Of Physiology - Cell Physiology 2006, 292: c1485-c1492. PMID: 17151144, DOI: 10.1152/ajpcell.00447.2006.Peer-Reviewed Original ResearchMeSH KeywordsAcetophenonesAnimalsAnion Transport ProteinsAntiportersBenzopyransBiological Transport, ActiveCarbazolesCell MembraneChloridesCytoplasmEnzyme ActivationFemaleFormatesIn Vitro TechniquesIndolesMaleimidesMiceOocytesOxalatesProtein Kinase C-deltaProtein TransportSulfate TransportersTetradecanoylphorbol AcetateXenopusConceptsPKC activationOxalate secretionIntestinal oxalate secretionFormate exchangeRenal proximal tubulesAnion exchanger pendrinPancreatic ductExchanger pendrinProximal tubulesSmall intestineSLC26A6 expressionNaCl reabsorptionCalcium independentSimilar extentPotential rolePKC-delta activationProtein kinase CActivationSecretionSlc26a6Immunofluorescence microscopyXenopus oocytesPMAPhysiological significanceOocyte plasma membrane