2017
Molecular basis of tactile specialization in the duck bill
Schneider ER, Anderson EO, Mastrotto M, Matson JD, Schulz VP, Gallagher PG, LaMotte RH, Gracheva EO, Bagriantsev SN. Molecular basis of tactile specialization in the duck bill. Proceedings Of The National Academy Of Sciences Of The United States Of America 2017, 114: 13036-13041. PMID: 29109250, PMCID: PMC5724259, DOI: 10.1073/pnas.1708793114.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsAvian ProteinsBeakChickensCloning, MolecularDucksEmbryo, NonmammalianGene ExpressionGenetic VectorsHEK293 CellsHumansIon ChannelsKineticsMechanoreceptorsMechanotransduction, CellularMicePatch-Clamp TechniquesRecombinant ProteinsRNA, Small InterferingSequence Homology, Amino AcidSpecies SpecificityTouchTouch PerceptionTrigeminal GanglionConceptsMolecular basisHeterologous expression systemSpecialist birdsMouse orthologPiezo2 ion channelsTactile specializationExpression systemDuck billMolecular characterizationIon channelsFeeding behaviorEdible matterPiezo2BirdsElectrophysiological characterizationSlow inactivation kineticsOrthologsVertebratesMechanoMechanotransductionKnockdownInactivation kineticsMurky watersHigh densityNeuronsNovel mechanisms of PIEZO1 dysfunction in hereditary xerocytosis
Glogowska E, Schneider ER, Maksimova Y, Schulz VP, Lezon-Geyda K, Wu J, Radhakrishnan K, Keel SB, Mahoney D, Freidmann AM, Altura RA, Gracheva EO, Bagriantsev SN, Kalfa TA, Gallagher PG. Novel mechanisms of PIEZO1 dysfunction in hereditary xerocytosis. Blood 2017, 130: 1845-1856. PMID: 28716860, PMCID: PMC5649553, DOI: 10.1182/blood-2017-05-786004.Peer-Reviewed Original ResearchConceptsHereditary xerocytosisMembrane protein traffickingNext-generation sequencing-based techniquesSequencing-based techniquesMembrane protein expressionProtein traffickingFunction phenotypesCell biologyOsmotic stressWild typePIEZO1 variantsFunctional assaysNovel mechanismGenetic heterogeneityMutationsProtein expressionErythrocyte hydrationXerocytosisVivo systemTraffickingPartial gainPhenotypeChannel inactivationCation permeabilityCongenital hemolytic anemia
2009
The GPA-dependent, spherostomatocytosis mutant AE1 E758K induces GPA-independent, endogenous cation transport in amphibian oocytes
Stewart AK, Vandorpe DH, Heneghan JF, Chebib F, Stolpe K, Akhavein A, Edelman EJ, Maksimova Y, Gallagher PG, Alper SL. The GPA-dependent, spherostomatocytosis mutant AE1 E758K induces GPA-independent, endogenous cation transport in amphibian oocytes. American Journal Of Physiology - Cell Physiology 2009, 298: c283-c297. PMID: 19907019, PMCID: PMC2822494, DOI: 10.1152/ajpcell.00444.2009.Peer-Reviewed Original Research4,4'-Diisothiocyanostilbene-2,2'-Disulfonic AcidAmbystoma mexicanumAmino Acid SequenceAmphibiansAnemia, Hemolytic, CongenitalAnimalsAnion Exchange Protein 1, ErythrocyteBicarbonatesBumetanideCell MembraneCell Membrane PermeabilityChloridesCloning, MolecularDNA Mutational AnalysisFemaleGlycophorinsHeterozygoteHumansHydrogen-Ion ConcentrationKineticsMaleMembrane PotentialsMiddle AgedMolecular Sequence DataMutation, MissenseOocytesOuabainOxalic AcidRubidium RadioisotopesSeverity of Illness IndexSodium Potassium Chloride Symporter InhibitorsSodium-Potassium-Exchanging ATPaseSulfatesXenopus laevis
2000
Proton Block and Voltage Gating Are Potassium-dependent in the Cardiac Leak Channel Kcnk3*
Lopes C, Gallagher P, Buck M, Butler M, Goldstein S. Proton Block and Voltage Gating Are Potassium-dependent in the Cardiac Leak Channel Kcnk3*. Journal Of Biological Chemistry 2000, 275: 16969-16978. PMID: 10748056, DOI: 10.1074/jbc.m001948200.Peer-Reviewed Original ResearchConceptsExternal potassium levelsGenomic structureUnique functional attributesProton blockIndependent molecular entitiesP domainMurine examplesFunctional attributesBiophysical propertiesPhysiological voltage rangePhysiological levelsPotassium channelsLeak conductanceMolecular entitiesSubunitsPotassium leak conductanceKCNK3Conductance