1989
Aldosterone induction of electrogenic sodium transport in the apical membrane vesicles of rat distal colon*
Rajendran V, Kashgarian M, Binder H. Aldosterone induction of electrogenic sodium transport in the apical membrane vesicles of rat distal colon*. Journal Of Biological Chemistry 1989, 264: 18638-18644. PMID: 2553716, DOI: 10.1016/s0021-9258(18)51514-3.Peer-Reviewed Original ResearchConceptsDistal colonRat distal colonNa-H exchangeElectrogenic sodium transportSodium transportExperimental ratsMicroM amilorideAmiloride-sensitive electrogenic sodium transportNormal rat distal colonEffects of aldosteroneElectroneutral sodium absorptionSodium concentrationApical membrane vesiclesAnalogues of amilorideVoltage-clamp conditionsDietary sodiumNormal ratsAldosterone inductionSodium absorptionColonComparable inhibitionRatsAmilorideAldosteronePotent inhibitorProtection 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 consequences
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
1984
Beneficial effect of thyroxin on recovery from toxic acute renal failure
Siegel N, Gaudio K, Katz L, Reilly H, Ardito T, Hendler F, Kashgarian M. Beneficial effect of thyroxin on recovery from toxic acute renal failure. Kidney International 1984, 25: 906-911. PMID: 6471672, DOI: 10.1038/ki.1984.108.Peer-Reviewed Original ResearchConceptsToxic acute renal failureAcute renal failureNormal salineRenal failureBeneficial effectsInjected ratsOnly normal salineT4-treated ratsEffect of thyroxinNonspecific systemic effectsT4-treated animalsRenal insultHemodynamic effectsRenal functionRenal injuryControl ratsGlomerular functionUrine flowSimilar doseSystemic effectsEnhanced recoveryPrompt recoveryKidney preparationRatsFENaHEMODYNAMIC EFFECT OF POST-ISCHEMIC ATP-MGCL2
Gaudio K, Thulin G, Kashgarian M, Siegel N. HEMODYNAMIC EFFECT OF POST-ISCHEMIC ATP-MGCL2. Pediatric Research 1984, 18: 362-362. DOI: 10.1203/00006450-198404001-01613.Peer-Reviewed Original ResearchRenal blood flowHemodynamic effectsATP-MgCl2Normal salineBlood flowInitial hemodynamic effectsAcute renal failureInfusion of dopamineRenal failureRenal ischemiaPostischemic infusionInulin clearanceVasoactive compoundsTubular cellsSalutary effectsCINInfusionHrDopamineCellular metabolismIschemiaInjuryRatsSalineClearance
1983
Disposal of ferritin in the glomerular mesangium of rats
Sterzel R, Perfetto M, Biemesderfer D, Kashgarian M. Disposal of ferritin in the glomerular mesangium of rats. Kidney International 1983, 23: 480-488. PMID: 6188874, DOI: 10.1038/ki.1983.45.Peer-Reviewed Original ResearchConceptsGlomerular mesangiumDay 3DE ratsVascular poleIa-negative cellsMacula densa cellsIa-positive cellsGlomerular stainingMacula densaMesangial patternIntravenous injectionRenal tissueFerritin injectionIa antigensGlomerular tuftBearing cellsMesangial matrixMesangial cellsLacis areaMesangiumRatsCryostat sectionsInterstitial areaStudy periodFerritin
1980
Renal perfusion and intratubular pressure during ureteral occlusion in the rat
Gaudio K, Siegel N, Hayslett J, Kashgarian M. Renal perfusion and intratubular pressure during ureteral occlusion in the rat. American Journal Of Physiology 1980, 238: f205-f209. PMID: 7369362, DOI: 10.1152/ajprenal.1980.238.3.f205.Peer-Reviewed Original ResearchConceptsTotal renal blood flowBilateral ureteral occlusionBody wt-1Tubular hydrostatic pressureUreteral occlusionKidney 1WT-1Renal blood flowRenal hemodynamicsRenal perfusionIntratubular pressureBlood flowControl animalsSustained increasePeak riseOcclusionMmHgIndomethacinSubsequent time intervalsRatsPatterns of changeAlterationsAnimalsPrimary roleSubsequent time periodsEnhanced 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
1978
Effects of potassium depletion on renal tubular chloride transport in the rat
Luke R, Wright F, Fowler N, Kashgarian M, Giebisch G. Effects of potassium depletion on renal tubular chloride transport in the rat. Kidney International 1978, 14: 414-427. PMID: 35645, DOI: 10.1038/ki.1978.146.Peer-Reviewed Original ResearchConceptsEarly distal tubuleLoop of HenleDistal tubulesKD groupChloride reabsorptionProximal tubulesPotassium depletionAbsolute chloride reabsorptionAdministration of DOCASingle nephron GFRRenal tubular reabsorptionPotassium-depleted ratsLate distal tubuleEffects of KDNephron GFRTubular reabsorptionChloride intakeFractional reabsorptionClearance studiesDay 2Fractional deliveryMuscle potassiumWhole kidneyDay 9RatsMicropuncture study on the effects of lithium on proximal and distal tubule function in the rat kiney
Hecht B, Kashgarian M, Forrest J, Hayslett J. Micropuncture study on the effects of lithium on proximal and distal tubule function in the rat kiney. Pflügers Archiv - European Journal Of Physiology 1978, 377: 69-74. PMID: 569282, DOI: 10.1007/bf00584376.Peer-Reviewed Original ResearchConceptsFractional reabsorptionDistal tubule functionProximal fractional reabsorptionPlasma lithium concentrationReabsorption of bicarbonateMultiple nephron segmentsEnd-proximal tubuleEffects of lithiumLithium treatmentPotassium secretionAntidiuretic hormoneDistal tubulesMicropuncture studiesTubule functionProximal tubulesDistal convolutionExperimental animalsNephron segmentsReabsorptionDistal portionTubulesPrevious studiesRatsSodiumHormone
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
1975
Effect of lithium on water and electrolyte metabolism.
Galla J, Forrest J, Hecht B, Kashgarian M, Hayslett J. Effect of lithium on water and electrolyte metabolism. The Yale Journal Of Biology And Medicine 1975, 48: 305-14. PMID: 1202760, PMCID: PMC2595176.Peer-Reviewed Original ResearchConceptsEffects of lithiumElectrolyte transportSame nephron segmentsAction of vasopressinChronic administrationOral intakeLithium administrationIntravenous infusionPlasma levelsPotassium secretionElectrolyte metabolismMaximum urineCorticomedullary gradientUrinary acidificationNephron segmentsSustained increaseDistal portionAdministrationNatriuresisInfusionRatsVasopressinIntakeNephronSecretion
1974
Compensatory adaptation of structure and function following progressive renal ablation
Kaufman J, DiMeola H, Siegel N, Lytton B, Kashgarian M, Hayslett J. Compensatory adaptation of structure and function following progressive renal ablation. Kidney International 1974, 6: 10-17. PMID: 4419711, DOI: 10.1038/ki.1974.72.Peer-Reviewed Original ResearchConceptsRenal ablationRenal tissueNephron glomerular filtration rateCompensatory adaptationGlomerular filtration rateClearance of inulinRenal insufficiencyUninephrectomized ratsFour-week intervalsFiltration rateRenal massesGroup BGroup AControl animalsGroup CLE ratsFunctional changesMass of tissueSegmental lossRatsSurgeryAdaptive changesAblationClearanceTissue
1973
The ultrastructure of the adrenal zona glomerulosa of rats on patassium-supplemented or sodium-depleted diets.
Domoto D, Boyd J, Mulrow P, Kashgarian M. The ultrastructure of the adrenal zona glomerulosa of rats on patassium-supplemented or sodium-depleted diets. American Journal Of Pathology 1973, 72: 433-46. PMID: 4728893, PMCID: PMC1904037.Peer-Reviewed Original ResearchConceptsSodium-deficient dietAldosterone productionPrincipal ultrastructural changesZona glomerulosa cellsAdrenal zona glomerulosaSodium-depleted animalsUltrastructural changesSodium-depleted dietGroups of animalsZona glomerulosaGlomerulosa cellsAdrenal cortexControl animalsMorphologic changesRatsSteroid synthesisMitochondrial changesDietAnimalsDaysInitial increaseGlomerulosaCortexCristae
1970
Effects of Chloride Restriction and Depletion on Acid-Base Balance and Chloride Conservation in the Rat
Luke R, Warren Y, Kashgarian M, Levitin H. Effects of Chloride Restriction and Depletion on Acid-Base Balance and Chloride Conservation in the Rat. Clinical Science 1970, 38: 385-396. PMID: 5442558, DOI: 10.1042/cs0380385.Peer-Reviewed Original ResearchConceptsUrinary net acid excretionNet acid excretionAcid excretionPlasma bicarbonateProximal tubulesBicarbonate absorptionDietary chloride restrictionProximal tubular absorptionUrinary acid excretionEndogenous acid productionLow chloride dietDegree of elevationAcid-base balanceDietary sodiumPlasma chlorideSerum bicarbonateTubular absorptionPhosphate excretionRespiratory acidosisMicropuncture experimentsDepleted ratsHypochloraemiaRatsExcretionRates of sodium
1969
Mechanism of change in the excretion of sodium per nephron when renal mass is reduced
Hayslett J, Kashgarian M, Epstein F. Mechanism of change in the excretion of sodium per nephron when renal mass is reduced. Journal Of Clinical Investigation 1969, 48: 1002-1006. PMID: 5771184, PMCID: PMC322314, DOI: 10.1172/jci106056.Peer-Reviewed Original ResearchConceptsSodium excretionRenal tissueProximal tubular absorptionExcretion of sodiumHealthy nephronsPopulation of nephronsRenal insufficiencyRenal ablationRenal failureTubular absorptionRenal massesSodium balanceGlomerular filtrationDistal tubulesExcretionNephronOsmotic loadEarly adjustmentStepwise increaseMechanisms of changeTissueUninephrectomyHyperfiltrationInsufficiencyRats
1967
Changes in Proximal and Distal Tubular Reabsorption Produced by Rapid Expansion of Extracellular Fluid*
Hayslett J, Kashgarian M, Epstein F. Changes in Proximal and Distal Tubular Reabsorption Produced by Rapid Expansion of Extracellular Fluid*. Journal Of Clinical Investigation 1967, 46: 1254-1263. PMID: 6027087, PMCID: PMC297124, DOI: 10.1172/jci105618.Peer-Reviewed Original ResearchConceptsTubular reabsorptionTubular diameterDistal tubular reabsorptionGlomerular filtration rateProximal tubular reabsorptionAdministration of aldosteroneLoop of HenleAcute infusionFiltration rateRenal contentSaline infusionGlomerular filtrationSegments of tubulesIsotonic salineProximal tubulesExcretion of saltTubular flowReabsorptionExtracellular fluidInfusionTubulesInterstitial volumeRatsTransit timeAldosterone
1965
Micropuncture study of proximal renal tubular chloride transport during hypercapnea in the rat
Kashgarian M, Warren Y, Levitin H. Micropuncture study of proximal renal tubular chloride transport during hypercapnea in the rat. American Journal Of Physiology 1965, 209: 655-658. PMID: 5837751, DOI: 10.1152/ajplegacy.1965.209.3.655.Peer-Reviewed Original Research