2003
COX2 Activity Promotes Organic Osmolyte Accumulation and Adaptation of Renal Medullary Interstitial Cells to Hypertonic Stress*
Moeckel GW, Zhang L, Fogo AB, Hao CM, Pozzi A, Breyer MD. COX2 Activity Promotes Organic Osmolyte Accumulation and Adaptation of Renal Medullary Interstitial Cells to Hypertonic Stress*. Journal Of Biological Chemistry 2003, 278: 19352-19357. PMID: 12637551, DOI: 10.1074/jbc.m302209200.Peer-Reviewed Original ResearchMeSH KeywordsAdaptation, PhysiologicalAldehyde ReductaseAnimalsApoptosisBetaineCaspase 3CaspasesCell SurvivalCells, CulturedCyclooxygenase 2Cyclooxygenase 2 InhibitorsCyclooxygenase InhibitorsDehydrationDNA FragmentationGene ExpressionHeat-Shock ProteinsHypertonic SolutionsIn Situ Nick-End LabelingInositolIsoenzymesKidney MedullaMembrane ProteinsMiceMice, Inbred C57BLMice, KnockoutProstaglandin-Endoperoxide SynthasesRNA, MessengerSorbitolSymportersTritiumConceptsMedullary interstitial cellsRenal medullary interstitial cellsInterstitial cellsCOX2 activityCOX2 inhibitionReductase mRNA expressionCOX2-specific inhibitorsRenal cell survivalCell survivalAnalgesic nephropathyCOX2 inhibitorsRenal medullaMRNA expressionPmol/Sorbitol accumulationInner medullaOrganic osmolyte accumulationKidney inner medullaMedullaCell deathBetaine concentrationsHypertonic stressPresent studySurvivalInhibitors
1997
Distribution of de novo synthesized betaine in rat kidney: role of renal synthesis on medullary betaine accumulation
Moeckel G, Lien Y. Distribution of de novo synthesized betaine in rat kidney: role of renal synthesis on medullary betaine accumulation. American Journal Of Physiology 1997, 272: f94-f99. PMID: 9039054, DOI: 10.1152/ajprenal.1997.272.1.f94.Peer-Reviewed Original ResearchConceptsRenal cortexMale Sprague-Dawley ratsSprague-Dawley ratsHepatic arteryRenal arteryRenal synthesisFurosemide diuresisPortal veinOxidase inhibitorsRat kidneyKidneyTotal urineMedullary concentrationUrine samplesMedullaMedullary cellsCortexArteryDe novo synthesisBetaine concentrationsMammalian kidneyWater deprivationDe novoMinNovo synthesis