1998
ATP releases HSP-72 from protein aggregates after renal ischemia
Aufricht C, Lu E, Thulin G, Kashgarian M, Siegel N, Van Why S. ATP releases HSP-72 from protein aggregates after renal ischemia. American Journal Of Physiology 1998, 274: f268-f274. PMID: 9486221, DOI: 10.1152/ajprenal.1998.274.2.f268.Peer-Reviewed Original ResearchHeat-shock protein 25 induction and redistribution during actin reorganization after renal ischemia
Aufricht C, Ardito T, Thulin G, Kashgarian M, Siegel N, Van Why S. Heat-shock protein 25 induction and redistribution during actin reorganization after renal ischemia. American Journal Of Physiology 1998, 274: f215-f222. PMID: 9458842, DOI: 10.1152/ajprenal.1998.274.1.f215.Peer-Reviewed Original ResearchConceptsHSP-25Renal ischemiaHeat shock protein 25Ischemic renal injuryH reflowRat renal cortexControl proximal tubulesRenal injuryPostischemic recoveryRenal cortexIschemiaProximal tubulesIntracytoplasmic accumulationPeak levelsHeat shock proteinsProtein 25Actin stainingInsoluble cytoskeletal fractionPunctate accumulationsCytoskeletal disruptionSmall heat shock proteinsRegulatory roleInductionIntracellular distributionCytoskeletal fraction
1995
Postischemic thyroxin stimulates renal mitochondrial adenine nucleotide translocator activity.
Boydstun I, Najjar S, Kashgarian M, Carpenter T, Siegel N. Postischemic thyroxin stimulates renal mitochondrial adenine nucleotide translocator activity. American Journal Of Physiology 1995, 268: e651-6. PMID: 7733309, DOI: 10.1152/ajprenal.1995.268.4.f651.Peer-Reviewed Original Research
1994
Activation of heat-shock transcription factor by graded reductions in renal ATP, in vivo, in the rat.
Van Why S, Mann A, Thulin G, Zhu X, Kashgarian M, Siegel N. Activation of heat-shock transcription factor by graded reductions in renal ATP, in vivo, in the rat. Journal Of Clinical Investigation 1994, 94: 1518-1523. PMID: 7929828, PMCID: PMC295298, DOI: 10.1172/jci117492.Peer-Reviewed Original ResearchConceptsRenal cortexHsp-70 mRNA inductionCortical ATP levelsRenal ischemia resultsPartial aortic occlusionActivation of HSFATP levelsCellular ATPHSF activationHSP-70 mRNAReduction of ATPAortic occlusionPreocclusion levelsProfound fallTotal occlusionIschemia resultsPreocclusion valuesHeat shock transcription factorLow-level expressionMetabolic consequencesVivo 31P NMR spectroscopyControl valuesHSP-70Vigorous responseRenal ATPExpression and molecular regulation of Na(+)-K(+)-ATPase after renal ischemia
Van Why S, Mann A, Ardito T, Siegel N, Kashgarian M. Expression and molecular regulation of Na(+)-K(+)-ATPase after renal ischemia. American Journal Of Physiology 1994, 267: f75-f85. PMID: 8048568, DOI: 10.1152/ajprenal.1994.267.1.f75.Peer-Reviewed Original Research
1993
Expression of parathyroid hormone-related protein in the rat glomerulus and tubule during recovery from renal ischemia.
Soifer N, Van Why S, Ganz M, Kashgarian M, Siegel N, Stewart A. Expression of parathyroid hormone-related protein in the rat glomerulus and tubule during recovery from renal ischemia. Journal Of Clinical Investigation 1993, 92: 2850-2857. PMID: 8254039, PMCID: PMC288486, DOI: 10.1172/jci116905.Peer-Reviewed Original ResearchMeSH KeywordsActinsAmino Acid IsomerasesAnimalsBlotting, NorthernCarrier ProteinsGene ExpressionImmunohistochemistryIschemiaKidneyKidney GlomerulusKidney TubulesMaleParathyroid Hormone-Related ProteinPeptidylprolyl IsomeraseProtein BiosynthesisProteinsRatsRats, Sprague-DawleyReceptors, Parathyroid HormoneReference ValuesRenal ArteryReperfusionRNA, MessengerConceptsHormone-related proteinMesangial cellsTubular cellsAcute renal ischemic injuryBilateral renal artery occlusionMale Sprague-Dawley ratsParathyroid hormone-related proteinAutocrine/paracrine fashionPTHrP mRNA levelsRenal artery occlusionRenal ischemic injuryMRNA levelsSprague-Dawley ratsDistal tubular cellsSham-operated animalsCyclophilin mRNA levelsProximal tubular cellsLocalization of PTHrPCultured mesangial cellsLocal growth factorsAdult rat kidneyArtery occlusionGlomerular epithelial cellsRenal injuryIschemic injuryAlterations in mitochondrial RNA expression after renal ischemia
Van Itallie C, Van Why S, Thulin G, Kashgarian M, Siegel N. Alterations in mitochondrial RNA expression after renal ischemia. American Journal Of Physiology 1993, 265: c712-c719. PMID: 7692737, DOI: 10.1152/ajpcell.1993.265.3.c712.Peer-Reviewed Original Research
1992
Induction and intracellular localization of HSP-72 after renal ischemia
Van Why S, Hildebrandt F, Ardito T, Mann A, Siegel N, Kashgarian M. Induction and intracellular localization of HSP-72 after renal ischemia. American Journal Of Physiology 1992, 263: f769-f775. PMID: 1443167, DOI: 10.1152/ajprenal.1992.263.5.f769.Peer-Reviewed Original ResearchConceptsHSP 72Renal ischemiaHeat shock proteinsIschemic renal injuryMin of reperfusionProtein elaborationHSP mRNA expressionHSP-70 mRNARenal injuryIschemic injuryTransient ischemiaProximal tubulesIschemiaRat kidneyMRNA expressionIntracellular localizationMRNA inductionInjuryTubule morphologyImmunofluorescent localizationShock proteinsVesicular patternCellular recoveryHSP proteinsCellular remodeling
1991
Redistribution of cellular energy following renal ischemia
Gaudio K, Thulin G, Ardito T, Kashgarian M, Siegel N. Redistribution of cellular energy following renal ischemia. Pediatric Nephrology 1991, 5: 591-596. PMID: 1911145, DOI: 10.1007/bf00856647.Peer-Reviewed Original Research
1989
Metabolic alterations in proximal tubule suspensions obtained from ischemic kidneys
Gaudio K, Thulin G, Ardito T, Kashgarian M, Siegel N. Metabolic alterations in proximal tubule suspensions obtained from ischemic kidneys. American Journal Of Physiology 1989, 257: f383-f389. PMID: 2551186, DOI: 10.1152/ajprenal.1989.257.3.f383.Peer-Reviewed Original ResearchConceptsProximal tubule suspensionsIschemic injuryTubule suspensionsRenal artery ischemiaVivo ischemic injurySprague-Dawley ratsMin of reflowOxygen consumptionPresence of ouabainBasal O2 consumptionArtery ischemiaIschemic kidneyHistopathological appearanceMetabolic alterationsProximal tubulesControl levelsProtein 1Protection of the kidney against ischemic injury by inhibition of 5'-nucleotidase
Van Waarde A, Stromski M, Thulin G, Gaudio K, Kashgarian M, Shulman R, Siegel N. Protection of the kidney against ischemic injury by inhibition of 5'-nucleotidase. American Journal Of Physiology 1989, 256: f298-f305. PMID: 2537026, DOI: 10.1152/ajprenal.1989.256.2.f298.Peer-Reviewed Original ResearchConceptsRenal ischemic insultResidual nucleotide poolMin of ischemiaRenal ATP contentFunctional recoveryIschemic injuryIschemic insultKidney functionRenal ischemiaIntramuscular injectionUntreated ratsRapid initial recoveryATP restorationRat kidneyRenal ATPIschemiaInitial recoveryKidneyRatsATP contentInsultFunctional consequencesNucleotide poolMagnetic resonanceAMPCP
1988
Metabolic and functional consequences of inhibiting adenosine deaminase during renal ischemia in rats.
Stromski M, van Waarde A, Avison M, Thulin G, Gaudio K, Kashgarian M, Shulman R, Siegel N. Metabolic and functional consequences of inhibiting adenosine deaminase during renal ischemia in rats. Journal Of Clinical Investigation 1988, 82: 1694-1699. PMID: 3263396, PMCID: PMC442739, DOI: 10.1172/jci113782.Peer-Reviewed Original ResearchConceptsPostischemic restorationFunctional recoveryBilateral renal artery occlusionAdenosine deaminaseResidual nucleotide poolRenal artery occlusionEnd of ischemiaMin of ischemiaMin of reflowArtery occlusionAdenine nucleotide poolPostischemic recoveryRenal ischemiaNucleotide poolIschemia resultsUntreated animalsDegradation of ATPIschemiaBasal levelsRenal ATPATP levelsInitial recoveryRatsInsultFunctional consequencesBeneficial effect of thyroxin in the treatment of ischemic acute renal failure
Sutter P, Thulin G, Stromski M, Ardito T, Gaudio K, Kashgarian M, Siegel N. Beneficial effect of thyroxin in the treatment of ischemic acute renal failure. Pediatric Nephrology 1988, 2: 1-7. PMID: 2856365, DOI: 10.1007/bf00870370.Peer-Reviewed Original ResearchConceptsAcute renal failureIschemic acute renal failureRenal failureIschemic controlsNormal salineSaline-treated ischemic controlsBeneficial effectsBetter kidney functionDose of T4Min of reflowT4-treated ratsEffect of thyroxinRenal functionKidney functionNS animalsRenal ischemiaInulin clearanceSaline controlsDay 3Day 7IschemiaT4 animalsRenal ATPCellular mechanismsSignificant increase
1986
Postischemic hemodynamics and recovery of renal adenosine triphosphate
Gaudio K, Stromski M, Thulin G, Ardito T, Kashgarian M, Siegel N. Postischemic hemodynamics and recovery of renal adenosine triphosphate. American Journal Of Physiology 1986, 251: f603-f609. PMID: 3490185, DOI: 10.1152/ajprenal.1986.251.4.f603.Peer-Reviewed Original ResearchConceptsRenal blood flowIschemic acute renal injuryImportant pathophysiological componentRenal ATP levelsAcute renal injuryInfusion of dopamineSaline-treated ratsPostischemic enhancementRenal adenosineRenal vasoconstrictionRenal injuryTubular functionPathophysiological componentPostischemic infusionInulin clearanceATP-MgCl2Vasoactive compoundsTubular epitheliumBlood flowPharmacological agentsPostischemic hemodynamicsTubular cellsSaline ratsEnhances recoveryRats
1983
Accelerated cellular recovery after an ischemic renal injury.
Gaudio K, Ardito T, Reilly H, Kashgarian M, Siegel N. Accelerated cellular recovery after an ischemic renal injury. American Journal Of Pathology 1983, 112: 338-46. PMID: 6604459, PMCID: PMC1916386.Peer-Reviewed Original ResearchConceptsProximal tubular pressureCellular morphologic featuresRenal ischemiaATP-MgCl2Back leakTubular integrityMorphologic featuresCellular damageIschemic cellular damageProgressive ischemic injurySevere ischemic damageIschemic renal injurySaline-treated ratsGroups of ratsEarly regenerative changesRenal injuryIschemic damageIschemic injuryIschemic alterationsNormal salineRegenerative changesSaline ratsEnhances recoverySalutary effectsHistomorphometric analysis
1982
Accelerated recovery of single nephron function by the postischemic infusion of ATP-MgCl2
Gaudio K, Taylor M, Chaudry I, Kashgarian M, Siegel N. Accelerated recovery of single nephron function by the postischemic infusion of ATP-MgCl2. Kidney International 1982, 22: 13-20. PMID: 7120752, DOI: 10.1038/ki.1982.126.Peer-Reviewed Original ResearchConceptsClearance of inulinSingle nephron functionATP-MgCl2Proximal tubular pressureNephron functionTubular pressureBeneficial effectsRenal artery ischemiaSaline-treated animalsSaline-treated ratsCourse of recoveryGroups of animalsPostischemic administrationArtery ischemiaPattern of recoveryCIN 1Postischemic infusionInitial insultInulin clearanceInitial improvementControl animalsMost epithelial cellsEnhanced recoveryWhole kidneyTubular fluid
1980
Enhanced recovery from acute renal failure by the postischemic infusion of adenine nucleotides and magnesium chloride in rats
Siegel N, Glazier W, Chaudry I, Gaudio K, Lytton B, Baue A, Kashgarian M. Enhanced recovery from acute renal failure by the postischemic infusion of adenine nucleotides and magnesium chloride in rats. Kidney International 1980, 17: 338-349. PMID: 7401453, DOI: 10.1038/ki.1980.39.Peer-Reviewed Original ResearchConceptsAcute renal failureRenal injuryRenal failureAcute renal injuryIschemic renal injuryAdenine nucleotidesFocal cellular necrosisElevated FENaRenal insultIschemic kidneyIschemic periodTubular functionAcute insultNonischemic kidneysPostischemic infusionFunctional impairmentTubular cellsDegree of improvementCellular necrosisRatsInfusionCINUltrastructural changesUltrastructural studyFENa
1977
Renal cortical blood flow distribution in obstructive nephropathy in rats.
Siegel N, Feldman R, Lytton B, Hayslett J, Kashgarian M. Renal cortical blood flow distribution in obstructive nephropathy in rats. Circulation Research 1977, 40: 379-384. PMID: 844151, DOI: 10.1161/01.res.40.4.379.Peer-Reviewed Original ResearchConceptsCortical blood flow distributionBilateral ureteral occlusionUnilateral ureteral occlusionRenal blood flowGlomerular filtration rateOuter cortical perfusionBlood flow distributionCortical perfusionObstructive nephropathyUreteral occlusionRenal cortical blood flow distributionRelease of obstructionIntrarenal hemodynamicsCortical ischemiaUUO ratsRapid normalizationFiltration ratePostobstructive diuresisBlood flowComplete returnRapid returnObstructionRatsNormal patternNephropathy
1976
Hemodynamic aspects in development and recovery phases of experimental postischemic acute renal failure.
Kashgarian M, Siegel N, Ries A, DiMeola H, Hayslett J. Hemodynamic aspects in development and recovery phases of experimental postischemic acute renal failure. Kidney International Supplement 1976, 6: s160-8. PMID: 1068320.Peer-Reviewed Original Research
1974
Intrarenal hemodynamics in postobstructive diuresis.
Feldman R, Siegel N, Kashgarian M, Hayslett J, Lytton B. Intrarenal hemodynamics in postobstructive diuresis. Journal Of Urology 1974, 12: 172-5. PMID: 4443183.Peer-Reviewed Original Research