2022
Urine Uromodulin as a Biomarker of Kidney Tubulointerstitial Fibrosis
Melchinger H, Calderon-Gutierrez F, Obeid W, Xu L, Shaw MM, Luciano RL, Kuperman M, Moeckel GW, Kashgarian M, Wilson FP, Parikh CR, Moledina DG. Urine Uromodulin as a Biomarker of Kidney Tubulointerstitial Fibrosis. Clinical Journal Of The American Society Of Nephrology 2022, 17: 1284-1292. PMID: 35948365, PMCID: PMC9625093, DOI: 10.2215/cjn.04360422.Peer-Reviewed Original ResearchConceptsInterstitial fibrosis/tubular atrophyUrine uromodulinTubular atrophyThick ascending limbUrine albuminSerum creatinineKidney biopsyTubulointerstitial fibrosisMultivariable linear regression modelsTime of biopsyKidney's thick ascending limbAcademic medical centerHuman kidney biopsiesKidney tubulointerstitial fibrosisTubular healthMultivariable analysisHistologic featuresHistologic findingsHistologic changesKidney fibrosisIndependent associationFibrotic modelMultivariable modelMedical CenterMurine model
2019
Urine TNF-α and IL-9 for clinical diagnosis of acute interstitial nephritis
Moledina DG, Wilson FP, Pober JS, Perazella MA, Singh N, Luciano RL, Obeid W, Lin H, Kuperman M, Moeckel GW, Kashgarian M, Cantley LG, Parikh CR. Urine TNF-α and IL-9 for clinical diagnosis of acute interstitial nephritis. JCI Insight 2019, 4: e127456. PMID: 31092735, PMCID: PMC6542610, DOI: 10.1172/jci.insight.127456.Peer-Reviewed Original ResearchConceptsAcute interstitial nephritisAcute kidney diseasePrebiopsy diagnosisKidney biopsyKidney diseaseIL-9AIN diagnosisUrine TNFInterstitial nephritisSpecific T cell subsetsAcute tubular injuryDiabetic kidney diseaseIL-9 levelsTNF-α levelsT cell subsetsAddition of biomarkersPlasma cytokinesCytokine levelsTubular injuryHighest quartileMultivariable analysisCell subsetsUrinary TNFBlood eosinophilsGlomerular disease
2005
HSP70 binding modulates detachment of Na-K-ATPase following energy deprivation in renal epithelial cells
Riordan M, Sreedharan R, Wang S, Thulin G, Mann A, Stankewich M, Van Why S, Kashgarian M, Siegel NJ. HSP70 binding modulates detachment of Na-K-ATPase following energy deprivation in renal epithelial cells. American Journal Of Physiology. Renal Physiology 2005, 288: f1236-f1242. PMID: 15701813, DOI: 10.1152/ajprenal.00438.2004.Peer-Reviewed Original ResearchConceptsRenal epithelial cellsATP depletionMolecular chaperone Hsp70Binding of Hsp70Na-K-ATPaseFundamental cellular mechanismsRenal epithelial polarityCultured renal epithelial cellsEpithelial cellsHeat shock protein 70Protein clathrinEpithelial polarityMolecular chaperonesOverexpression of HSP70Chaperone Hsp70Shock protein 70Energy deprivationLLC-PK1 cellsStress proteinsMolecular mechanismsHSP bindingHSP70Cell lysatesCellular mechanismsATP turnover
1999
Thresholds for cellular disruption and activation of the stress response in renal epithelia
van Why S, Kim S, Geibel J, Seebach F, Kashgarian M, Siegel N. Thresholds for cellular disruption and activation of the stress response in renal epithelia. American Journal Of Physiology 1999, 277: f227-f234. PMID: 10444577, DOI: 10.1152/ajprenal.1999.277.2.f227.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAnimalsCalciumCysteine EndopeptidasesDetergentsDifferential ThresholdDNA-Binding ProteinsEpithelial CellsHeat Shock Transcription FactorsHeat-Shock ProteinsIntracellular MembranesKidneyL-Lactate DehydrogenaseLLC-PK1 CellsMultienzyme ComplexesOctoxynolProteasome Endopeptidase ComplexSodium-Potassium-Exchanging ATPaseSolubilityStress, PhysiologicalSwineTranscription FactorsConceptsATP depletionRenal epitheliumLactate dehydrogenase releaseCellular ATPReduction of ATPRenal ischemiaIntracellular calciumActivation of HSF1Heat shock transcription factorDehydrogenase releaseControl ATPStress responseControl levelsProgressive accumulationProteasome inhibitionAdaptive inductionHSF activationRapid fallActivationEpitheliumIncremental increaseCellular disruptionResponseATPIschemia
1998
Indinavir nephropathy in an AIDS patient with renal insufficiency and pyuria.
Perazella M, Kashgarian M, Cooney E. Indinavir nephropathy in an AIDS patient with renal insufficiency and pyuria. Clinical Nephrology 1998, 50: 194-6. PMID: 9776425.Peer-Reviewed Original ResearchConceptsRenal biopsy findingsRenal insufficiencyBiopsy findingsMild renal insufficiencyAcute renal failureIndinavir crystalsIndinavir therapyRenal failureAntiretroviral agentsUrinary obstructionAIDS patientsCellular castsPatientsPyuriaInsufficiencyRecent reportsSmall percentDiscontinuationNephropathyMedicationsSecond caseDiuresisNephrolithiasisIndinavirObstructionATP 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
1997
Regulation of colonic H-K-ATPase in large intestine and kidney by dietary Na depletion and dietary K depletion
Sangan P, Rajendran V, Mann A, Kashgarian M, Binder H. Regulation of colonic H-K-ATPase in large intestine and kidney by dietary Na depletion and dietary K depletion. American Journal Of Physiology 1997, 272: c685-c696. PMID: 9124313, DOI: 10.1152/ajpcell.1997.272.2.c685.Peer-Reviewed Original ResearchConceptsDietary K depletionDistal colonNA depletionK-ATPase activityProximal colonLarge intestineRat distal colonActive K absorptionK-ATPaseRenal collecting ductsDietary NaK-ATPase expressionK-ATPase isoformsK depletionRat colonCollecting ductsOuter medullaColonProtein expressionProtein levelsKidneyPolyclonal antibodiesIntestineDuctMRNA
1996
The Role of the Kidney Biopsy in the Treatment of Lupus Nephritis
Kashgarian M. The Role of the Kidney Biopsy in the Treatment of Lupus Nephritis. Renal Failure 1996, 18: 765-773. PMID: 8903091, DOI: 10.3109/08860229609047705.Peer-Reviewed Original ResearchConceptsLupus nephritisRenal biopsyLupus erythematosusLong-term outcomesCourse of diseaseWorld Health OrganizationMorphologic modalitiesKidney biopsyRenal diseaseRenal histopathologyClinical outcomesRenal lesionsClinical evaluationHistologic classificationClinical correlationImmune responseIndividual patientsSame patientBiopsy interpretationNephritisPatientsBiopsySemiquantitative assessmentDifferent patientsHealth Organization
1995
Heat-insoluble cryoglobulin in a patient with essential type I cryoglobulinemia and massive cryoglobulin-occlusive glomerulonephritis
Ishimura E, Nishizawa Y, Shoji S, Okumura M, Nishitani H, Kim C, Watanabe Y, Wakasa K, Morii H, Kashgarian M. Heat-insoluble cryoglobulin in a patient with essential type I cryoglobulinemia and massive cryoglobulin-occlusive glomerulonephritis. American Journal Of Kidney Diseases 1995, 26: 654-657. PMID: 7573022, DOI: 10.1016/0272-6386(95)90604-5.Peer-Reviewed Original ResearchConceptsEnd-stage renal failureMonoclonal IgG-kappaType I cryoglobulinemiaOnset of diseaseElectron-dense depositsEssential cryoglobulinemiaRenal failureClinical courseRenal biopsyNephrotic syndromeIgG kappaLower extremitiesCryoglobulinsGelatinous appearanceGlomerular capillariesCryoglobulinemiaGlomerulonephritisInitial onsetBiopsyDiseaseOnsetYearsPostischemic 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
The benefit of early treatment with immunosuppressive agents in lupus nephritis.
Esdaile J, Joseph L, MacKenzie T, Kashgarian M, Hayslett J. The benefit of early treatment with immunosuppressive agents in lupus nephritis. The Journal Of Rheumatology 1994, 21: 2046-51. PMID: 7869308.Peer-Reviewed Original ResearchConceptsHour urinary protein excretionUrinary protein excretionLead-time biasRenal biopsyLupus nephritisRenal insufficiencyRenal involvementSerum creatinineProtein excretionImmunosuppressive agentsEarly treatmentHigh-dose prednisoneLupus renal involvementSubsequent renal insufficiencyTime biasFirst renal biopsySelection biasDose prednisoneTubulointerstitial indexRenal diseaseLongterm prognosisImmunosuppressive drugsEffect of durationBiopsySignificant associationThe Time‐Dependence of Long‐Term Prediction in Lupus Nephritis
Esdaile J, Abrahamowicz M, Mackenzie T, Hayslett J, Kashgarian M. The Time‐Dependence of Long‐Term Prediction in Lupus Nephritis. Arthritis & Rheumatism 1994, 37: 359-368. PMID: 8129791, DOI: 10.1002/art.1780370309.Peer-Reviewed Original ResearchConceptsDisease activity measuresLupus nephritisRenal failureActivity measuresLupus nephritis patientsRenal failure outcomeObservation periodCox model analysisLong-term outcomesMean followup timeGood prognostic markerNonrenal outcomesTubulointerstitial indexChronicity indexNephritis patientsRenal outcomesExtended observation periodRenal involvementComorbid diseasesPrognostic factorsRenal functionDevelopment of diseaseRenal biopsyFollowup timeLaboratory predictors
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 injuryThe pathogenesis and prognosis of lupus nephritis: Information from repeat renal biopsy
Esdaile J, Joseph L, MacKenzie T, Kashgarian M, Hayslett J. The pathogenesis and prognosis of lupus nephritis: Information from repeat renal biopsy. Seminars In Arthritis And Rheumatism 1993, 23: 135-148. PMID: 8266110, DOI: 10.1016/s0049-0172(05)80019-8.Peer-Reviewed Original ResearchConceptsSecond biopsySubendothelial depositsLupus nephritisRenal biopsySubepithelial depositsDiffuse proliferative nephritisHealth activity indexRepeat renal biopsyActivity index scoreSerum creatinine levelsUrinary protein excretionImmune complex depositionLong-term outcomesPathogenesis of lupusChronicity indexTubulointerstitial indexRenal impairmentRenal insufficiencyCreatinine levelsInception cohortRenal functionProtein excretionComplex depositionMesangial hypercellularityMembranous patternAlterations 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
1991
Predictors of one year outcome in lupus nephritis: the importance of renal biopsy.
Esdaile J, Federgreen W, Quintal H, Suissa S, Hayslett J, Kashgarian M. Predictors of one year outcome in lupus nephritis: the importance of renal biopsy. QJM 1991, 81: 907-18. PMID: 1808631.Peer-Reviewed Original ResearchConceptsLupus nephritisRenal biopsyBiopsy variablesHigher activity index scoreDiffuse proliferative lupus nephritisSubepithelial electron-dense depositsDiffuse proliferative nephritisActivity index scoreProliferative lupus nephritisShort-term prognosisTime of biopsyClinical predictive modelClinical prediction modelElectron-dense depositsTubulointerstitial scoresNew predictive informationRenal injurySerum creatinineGroups of subjectsLaboratory predictorsPlatelet countUnivariate analysisClinical signsYear outcomesIndividual patientsRedistribution 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
The clinical and renal biopsy predictors of long-term outcome in lupus nephritis: a study of 87 patients and review of the literature.
Esdaile J, Levinton C, Federgreen W, Hayslett J, Kashgarian M. The clinical and renal biopsy predictors of long-term outcome in lupus nephritis: a study of 87 patients and review of the literature. QJM 1989, 72: 779-833. PMID: 2694209.Peer-Reviewed Original ResearchConceptsPresence of vasculitisLong-term outcomesLupus nephritisRenal diseaseClinical modelRenal insufficiencyRenal failurePrognostic markerRelevant long-term outcomesRenal systemic lupus erythematosusImmunologic disease activityNon-renal SLESystemic lupus erythematosusImportant prognostic markerChronicity indexRenal outcomesRenal severityDisease activityNew predictive informationSerum creatinineConsecutive patientsLupus erythematosusPrognostic factorsRenal biopsyComorbid conditionsAnkyrin links fodrin to the alpha subunit of Na,K-ATPase in Madin-Darby canine kidney cells and in intact renal tubule cells.
Morrow J, Cianci C, Ardito T, Mann A, Kashgarian M. Ankyrin links fodrin to the alpha subunit of Na,K-ATPase in Madin-Darby canine kidney cells and in intact renal tubule cells. Journal Of Cell Biology 1989, 108: 455-465. PMID: 2537316, PMCID: PMC2115445, DOI: 10.1083/jcb.108.2.455.Peer-Reviewed Original ResearchConceptsMadin-Darby canine kidney cellsCanine kidney cellsK-ATPaseAlpha subunitMolecular mechanismsMDCK cellsMinor membrane proteinsDistribution of fodrinErythrocyte ankyrinConfluent MDCK cellsBinding of ankyrinKidney cellsHuman erythrocyte ankyrinRenal epithelial cellsCytoplasmic domainNonerythroid cellsMembrane proteinsCortical cytoskeletonBasolateral domainMembrane skeletonPolarized distributionAnkyrinBasolateral marginsCell developmentErythrocyte band 3