2010
Hypertonicity-induced Mitochondrial Membrane Permeability in Renal Medullary Interstitial Cells: Protective Role of Osmolytes
Zhang L, Chen D, Chen Z, Moeckel GW. Hypertonicity-induced Mitochondrial Membrane Permeability in Renal Medullary Interstitial Cells: Protective Role of Osmolytes. Cellular Physiology And Biochemistry 2010, 25: 753-760. PMID: 20511721, PMCID: PMC3030460, DOI: 10.1159/000315095.Peer-Reviewed Original ResearchConceptsPermeability transition poreHypertonicity-induced apoptosisOrganic osmolytesCytochrome cDelta psiFluorescence probe JC-1Cell deathMitochondrial membrane permeabilityMitochondrial membrane potentialHypertonic culture conditionsMajor organic osmolytesHypertonicity-induced changesHyperosmotic stressProtein abundanceMolecular mechanismsApoptotic pathwayTransition poreJC-1OsmolytesProapoptotic BaxCytoplasmApoptosisKidney cellsMembrane potentialImmunofluorescence labeling
2009
Urea promotes TonEBP expression and cellular adaptation in extreme hypertonicity
Kwon MS, Na KY, Moeckel G, Lee SD, Kwon HM. Urea promotes TonEBP expression and cellular adaptation in extreme hypertonicity. Pflügers Archiv - European Journal Of Physiology 2009, 459: 183. PMID: 19585141, DOI: 10.1007/s00424-009-0696-5.Peer-Reviewed Original ResearchConceptsCellular adaptationRegulation of TonEBPBody water homeostasisAmbient tonicityEpithelial cell lineCentral regulatorMDCK cellsTonEBPCellular proliferationWater homeostasisCell linesExpressionPrior adaptationInner medullaAdaptationRenal medullaAntidiuretic animalsHypertonicityRegulatorHomeostasisRegulationHigh levelsProliferationCellsModerate changes
2005
Role of integrin α1β1 in the regulation of renal medullary osmolyte concentration
Moeckel GW, Zhang L, Chen X, Rossini M, Zent R, Pozzi A. Role of integrin α1β1 in the regulation of renal medullary osmolyte concentration. American Journal Of Physiology. Renal Physiology 2005, 290: f223-f231. PMID: 16106035, DOI: 10.1152/ajprenal.00371.2004.Peer-Reviewed Original ResearchConceptsIntegrin alpha1-null miceOsmolyte accumulationTonicity enhancer-binding proteinExtracellular matrix receptors integrinsOrganic osmolytesProtective organic osmolytesMEK inhibitor PD 98059Inositol uptakeInhibitor PD 98059Enhancer-binding proteinRenal medullary cellsTubular necrosisGene transcriptionOsmolyte transportersReceptor integrinPD 98059Altered signalingDifferent osmotic conditionsOsmolyte concentrationMammalian kidneyCell behaviorImportant mediatorERK1/2 phosphorylationOsmotic conditionsDuct cells
2002
Organic osmolytes betaine, sorbitol and inositol are potent inhibitors of erythrocyte membrane ATPases
Moeckel GW, Shadman R, Fogel JM, Sadrzadeh SM. Organic osmolytes betaine, sorbitol and inositol are potent inhibitors of erythrocyte membrane ATPases. Life Sciences 2002, 71: 2413-2424. PMID: 12231402, DOI: 10.1016/s0024-3205(02)02035-0.Peer-Reviewed Original Research
1997
Kinetics and osmoregulation of Na(+)-and Cl(-)-dependent betaine transporter in rat renal medulla
Moeckel G, Lai L, Guder W, Kwon H, Lien Y. Kinetics and osmoregulation of Na(+)-and Cl(-)-dependent betaine transporter in rat renal medulla. American Journal Of Physiology 1997, 272: f100-f106. PMID: 9039055, DOI: 10.1152/ajprenal.1997.272.1.f100.Peer-Reviewed Original Research