1987
Mitochondrial Respiratory and Calcium Studies
SUMPIO B, BAUE A, CHAUDRY I. Mitochondrial Respiratory and Calcium Studies. Annals Of Surgery 1987, 206: 655-660. PMID: 3499878, PMCID: PMC1493310, DOI: 10.1097/00000658-198711000-00017.Peer-Reviewed Original ResearchConceptsRespiratory control ratioVerapamil pretreatmentTotal tissue Ca2Tissue ATP levelsCyA-induced nephrotoxicityCyA treatmentPharmacologic regimenRenal functionMitochondrial respiratory functionSimultaneous administrationCalcium studiesRespiratory functionKrebs bufferCortical mitochondriaMumol/Tissue Ca2Rat kidneyADP/O ratioCyANephrotoxicityATP levelsControl ratioVerapamilMitochondrial respiratoryCa2
1985
Reduction of the drug-induced nephrotoxicity by ATP-MgCl2. 1. Effects on the cis-Diamminedichloroplatinum-treated isolated perfused kidneys
Sumpio B, Chaudry I, Baue A. Reduction of the drug-induced nephrotoxicity by ATP-MgCl2. 1. Effects on the cis-Diamminedichloroplatinum-treated isolated perfused kidneys. Journal Of Surgical Research 1985, 38: 429-437. PMID: 3872963, DOI: 10.1016/0022-4804(85)90058-7.Peer-Reviewed Original ResearchConceptsAcute renal failureATP-MgCl2Hr of perfusionCis-DiamminedichloroplatinumNephrotoxic effectsReabsorptive capacityCDDP treatmentRat kidneyATP-MgCl2 treatmentIsolated rat kidneyDrug-induced nephrotoxicityDirect nephrotoxic effectNew therapeutic modalitiesProximal tubule cellsCancer chemotherapeutic agentsCDDP therapyRenal failureMarked diuresisProtein reabsorptionTherapeutic modalitiesTubule cellsChemotherapeutic agentsMicrograms/KidneyMarked inhibitionReduction of the drug-induced nephrotoxicity by ATP-MgCl2. II. Effects on gentamicin-treated isolated perfused kidneys
Sumpio B, Chaudry I, Baue A. Reduction of the drug-induced nephrotoxicity by ATP-MgCl2. II. Effects on gentamicin-treated isolated perfused kidneys. Journal Of Surgical Research 1985, 38: 438-445. PMID: 3872964, DOI: 10.1016/0022-4804(85)90059-9.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAnimalsGentamicinsGlomerular Filtration RateIn Vitro TechniquesKidneyMaleNephronsPerfusionRatsRats, Inbred StrainsConceptsDrug-induced nephrotoxicityGlomerular filtration rateRenal perfusate flowATP-MgCl2Filtration ratePerfusate flowMM ATP-MgCl2Prevention of nephrotoxicityGentamicin-induced nephrotoxicitySignificant clinical problemNon-pulsatile perfusionIsolated kidney preparationMin of perfusionHr of perfusionDose-dependent mannerTubular absorptionUrinary flowGentamicin treatmentProtein reabsorptionClinical problemNephrotoxicityPerfusate concentrationFractional clearanceClearance periodSodium absorption
1984
Accelerated functional recovery of isolated rat kidney with ATP-MgCl2 after warm ischemia
Sumpio BE, Chaudry IH, Clemens MG, Baue AE. Accelerated functional recovery of isolated rat kidney with ATP-MgCl2 after warm ischemia. American Journal Of Physiology 1984, 247: r1047-r1053. PMID: 6334446, DOI: 10.1152/ajpregu.1984.247.6.r1047.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAnimalsIn Vitro TechniquesInulinIschemiaKidneyKidney Function TestsMalePerfusionRatsRats, Inbred StrainsTime FactorsConceptsRenal perfusate flow rateMM ATP-MgCl2Min of perfusionIsolated rat kidneyATP-MgCl2Renal functionWarm ischemiaWhole kidney inulin clearanceRat kidneyAccelerated functional recoveryMin of reperfusionMin of ischemiaUrine flow rateTissue ATP levelsFractional absorptionFunctional recoveryNormothermic ischemiaIschemia resultsMin ischemiaPerfusate flow rateInulin clearanceEarly recoverySystemic effectsIschemiaSodium valuesRenal hydrolysis of absorbed protein: influence of load and lysosomal pH
Camargo MJ, Sumpio BE, Maack T. Renal hydrolysis of absorbed protein: influence of load and lysosomal pH. American Journal Of Physiology 1984, 247: f656-f664. PMID: 6093557, DOI: 10.1152/ajprenal.1984.247.4.f656.Peer-Reviewed Original ResearchConceptsNormal filtered loadEfflux of radioactivityRenal tubular cellsEffect of alkalinizationProtein absorption dropletsRenal catabolismNormal lysosomal functionLysosomotropic weak basesFiltered loadTubular cellsKidney 1Abnormal depositionRat kidneyKidneyAbsorption dropletsSaturable processIntracellular hydrolysisSaturable functionLysosomal functionPerfusateLysosomal pHLow uptake rateSephadex chromatographyReversible mannerHalf times
1982
Kinetics, competition, and selectivity of tubular absorption of proteins
Sumpio BE, Maack T. Kinetics, competition, and selectivity of tubular absorption of proteins. American Journal Of Physiology 1982, 243: f379-f392. PMID: 7124951, DOI: 10.1152/ajprenal.1982.243.4.f379.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBinding, CompetitiveCytochalasin BEndocytosisIn Vitro TechniquesKidneyKidney TubulesKineticsMalePerfusionProteinsRatsRats, Inbred StrainsConceptsBeta 2MTubular absorptionHuman growth hormoneLow perfusate calcium concentrationsPerfusate calcium concentrationMorphologic damageTubular epitheliumProximal tubulesGrowth hormoneRat kidneyCationic proteinCalcium concentrationSaturable processSaturating loadSelective effectLuminal wallLow apparent affinityTubulesImportant determinantReversible mannerApparent affinityMicrovilliProteinKidney