2006
Voltage-gated potassium channel Kv1.3 regulates GLUT4 trafficking to the plasma membrane via a Ca2+-dependent mechanism
Li Y, Wang P, Xu J, Desir GV. Voltage-gated potassium channel Kv1.3 regulates GLUT4 trafficking to the plasma membrane via a Ca2+-dependent mechanism. American Journal Of Physiology - Cell Physiology 2006, 290: c345-c351. PMID: 16403947, DOI: 10.1152/ajpcell.00091.2005.Peer-Reviewed Original ResearchConceptsPlasma membraneKv1.3 channel activityAmount of GLUT4GLUT4 protein translocationInsulin sensitivityChannel activityChannel inhibitionAddition of wortmanninGLUT4 traffickingInsulin-dependent pathwayProtein translocationPeripheral insulin sensitivityVoltage-gated potassium channel Kv1.3GLUT4 translocationPotassium channel Kv1.3Gene inactivationInsulin-sensitive tissuesGLUT4 proteinKv1.3 inhibitionGlucose transportPsora-4Channel Kv1.3Adipose tissueBody weightPharmacological inhibition
2002
Expression of KCNA10, a voltage-gated K channel, in glomerular endothelium and at the apical membrane of the renal proximal tubule.
Yao X, Tian S, Chan HY, Biemesderfer D, Desir GV. Expression of KCNA10, a voltage-gated K channel, in glomerular endothelium and at the apical membrane of the renal proximal tubule. Journal Of The American Society Of Nephrology 2002, 13: 2831-9. PMID: 12444201, DOI: 10.1097/01.asn.0000036866.37886.c5.Peer-Reviewed Original ResearchConceptsVascular smooth muscle cellsProximal tubular cellsSmooth muscle cellsApical membraneImportant cellular functionsSitu hybridization experimentsVascular toneVoltage-activated K channelsTubular cellsMuscle cellsImmunocytochemical studyCellular functionsHuman proximal tubular cellsRat proximal tubular cellsSubcellular localizationHybridization experimentsVoltage-gated K channelsK channelsNorthern blotRenal proximal tubulesCell membrane voltageVascular endothelial cellsKCNA10Cell membrane potentialVascular tissue
1993
Immunocytochemical characterization of the high-affinity thiazide diuretic receptor in rabbit renal cortex
Ellison DH, Biemesderfer D, Morrisey J, Lauring J, Desir GV. Immunocytochemical characterization of the high-affinity thiazide diuretic receptor in rabbit renal cortex. American Journal Of Physiology 1993, 264: f141-f148. PMID: 8430824, DOI: 10.1152/ajprenal.1993.264.1.f141.Peer-Reviewed Original ResearchConceptsThiazide diuretic receptorRenal distal tubulesDistal tubulesUrinary NaCl excretionRenal cortical membranesThick ascending limbRabbit kidney cortexApical membraneThiazide diureticsRenal cortexRabbit renal cortexCortical membranesProximal tubulesAscending limbSubpopulation of cellsNaCl excretionThiazide receptorKidney cortexIntense stainingWestern blotMonoclonal antibodiesRabbit kidneyImmunocytochemical characterizationPrincipal cellsReceptors
1992
Inhibition of Ca-activated K+ channels from renal microvillus membrane vesicles by amiloride analogs
Zweifach A, Desir G, Aronson P, Giebisch G. Inhibition of Ca-activated K+ channels from renal microvillus membrane vesicles by amiloride analogs. The Journal Of Membrane Biology 1992, 128: 115-122. PMID: 1501239, DOI: 10.1007/bf00231884.Peer-Reviewed Original Research
1991
Reconstitution and partial purification of an amiloride-sensitive, cation channel from rabbit kidney
Desir G. Reconstitution and partial purification of an amiloride-sensitive, cation channel from rabbit kidney. Biochimica Et Biophysica Acta 1991, 1067: 38-42. PMID: 1868102, DOI: 10.1016/0005-2736(91)90023-2.Peer-Reviewed Original ResearchConceptsBrush border membrane vesiclesCation channelsMembrane vesicle proteinsChannel activityAmiloride-sensitive cation channelVesicle proteinsBorder membrane vesiclesMembrane vesiclesRabbit brush border membrane vesiclesProteoliposomesNative brush border membranesBrush border membraneSensitive cation channelPotassium channelsProteinPartial purificationAcridine orangeRenal brush-border membrane vesiclesBorder membraneDiethylthiadicarbocyanine iodideReconstitutionRabbit kidneyHigh affinity binding of amiloride analogs at an internal site in renal microvillus membrane vesicles
Desir GV, Cragoe EJ, Aronson PS. High affinity binding of amiloride analogs at an internal site in renal microvillus membrane vesicles. Journal Of Biological Chemistry 1991, 266: 2267-2271. PMID: 1846621, DOI: 10.1016/s0021-9258(18)52238-9.Peer-Reviewed Original ResearchConceptsMembrane vesiclesMicrovillus membrane vesiclesRenal microvillus membrane vesiclesSimilar rank order potencyBinding sitesInternal sitesHigh-affinity inhibitorsMembrane localizationInternal binding siteAmiloride analoguesPlasma membraneRank order potencyHigh-affinity bindingAffinity inhibitorsHigh affinity-binding siteVesiclesBasolateral membrane vesiclesOrder potency