2015
Human Polycystin-2 Transgene Dose-Dependently Rescues ADPKD Phenotypes in Pkd2 Mutant Mice
Li A, Tian X, Zhang X, Huang S, Ma Y, Wu D, Moeckel G, Somlo S, Wu G. Human Polycystin-2 Transgene Dose-Dependently Rescues ADPKD Phenotypes in Pkd2 Mutant Mice. American Journal Of Pathology 2015, 185: 2843-2860. PMID: 26435415, PMCID: PMC4607765, DOI: 10.1016/j.ajpath.2015.06.014.Peer-Reviewed Original ResearchConceptsAutosomal dominant polycystic kidney diseaseMouse modelADPKD phenotypeSevere cystic phenotypeWild-type miceDose-dependent mannerPolycystic kidney diseaseForms of ADPKDKidney diseasePancreatic cystsEffective treatmentFunctional restorationMutant miceTransgene doseMiceCyst formationReduced proliferationEpithelial cellsCystic phenotypeKidneyLiverFurther ameliorationPC2 activityPhenotypeMolecular genetic mechanisms
2013
NALP3-mediated inflammation is a principal cause of progressive renal failure in oxalate nephropathy
Knauf F, Asplin JR, Granja I, Schmidt IM, Moeckel GW, David RJ, Flavell RA, Aronson PS. NALP3-mediated inflammation is a principal cause of progressive renal failure in oxalate nephropathy. Kidney International 2013, 84: 895-901. PMID: 23739234, PMCID: PMC3772982, DOI: 10.1038/ki.2013.207.Peer-Reviewed Original ResearchConceptsProgressive renal failureRenal failureCalcium oxalate crystal depositionCrystal-associated diseasesOverproduction of oxalateWild-type miceHigh-oxalate dietNephropathy resultsOxalate nephropathyRenal histologyKidney diseaseOxalate dietInflammatory responseNALP3 expressionDietary oxalateIntestinal oxalateOxalate homeostasisSoluble oxalateNephropathyCrystal depositionMiceMultiple disordersNALP3DietInflammation
2012
Acute Podocyte Vascular Endothelial Growth Factor (VEGF-A) Knockdown Disrupts alphaVbeta3 Integrin Signaling in the Glomerulus
Veron D, Villegas G, Aggarwal PK, Bertuccio C, Jimenez J, Velazquez H, Reidy K, Abrahamson DR, Moeckel G, Kashgarian M, Tufro A. Acute Podocyte Vascular Endothelial Growth Factor (VEGF-A) Knockdown Disrupts alphaVbeta3 Integrin Signaling in the Glomerulus. PLOS ONE 2012, 7: e40589. PMID: 22808199, PMCID: PMC3396653, DOI: 10.1371/journal.pone.0040589.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBlood PressureCells, CulturedDown-RegulationDoxycyclineEndotheliumFibronectinsGene Knockdown TechniquesIntegrin alphaVbeta3MiceModels, AnimalNeuropilin-1PhenotypePodocytesProtein BindingProteinuriaRenal InsufficiencyRNA, Small InterferingSignal TransductionVascular Endothelial Growth Factor AVascular Endothelial Growth Factor Receptor-2ConceptsAcute renal failureVEGF receptor 2Renal failureEndothelial cell swellingPodocyte VEGFUrine VEGFGlomerular filtration barrierLocal injuryPodocyte effacementGlomerular ultrastructureAdult miceDoxycycline exposureReceptor 2Knockdown micePodocyte cell lineControl valuesGlomeruliNeuropilin-1MiceVEGFProtein levelsCell swellingVEGF knockdownProteinuriaFiltration barrier
2010
TGF-β Receptor Deletion in the Renal Collecting System Exacerbates Fibrosis
Gewin L, Bulus N, Mernaugh G, Moeckel G, Harris RC, Moses HL, Pozzi A, Zent R. TGF-β Receptor Deletion in the Renal Collecting System Exacerbates Fibrosis. Journal Of The American Society Of Nephrology 2010, 21: 1334-1343. PMID: 20576806, PMCID: PMC2938601, DOI: 10.1681/asn.2010020147.Peer-Reviewed Original ResearchConceptsRenal collecting systemTGF-beta signalingRenal fibrosisReceptor deletionCollecting systemTGF-beta type II receptorUnilateral ureteral obstructionReceptor-mediated functionsRenal interstitial fibroblastsTGF-beta activationType II receptorParadoxic increaseUreteral obstructionII receptorsInterstitial fibroblastsInterstitial cellsFibrosisDuct cellsCollagen synthesisUreteric bud developmentInjuryMiceMatrix productionEnhanced levelsSignaling
2009
Deletion of the Met receptor in the collecting duct decreases renal repair following ureteral obstruction
Ma H, Saenko M, Opuko A, Togawa A, Soda K, Marlier A, Moeckel GW, Cantley LG, Ishibe S. Deletion of the Met receptor in the collecting duct decreases renal repair following ureteral obstruction. Kidney International 2009, 76: 868-876. PMID: 19675527, DOI: 10.1038/ki.2009.304.Peer-Reviewed Original ResearchConceptsUreteral obstructionFibrotic responseKnockout miceMet receptorAcute tubular necrosisPlasminogen activator inhibitor-1Unilateral ureteral obstructionTubular cell proliferationActivator inhibitor-1Conditional knockout miceHepatocyte growth factorKidney injuryRenal injuryTubular necrosisFunctional recoveryInterstitial fibrosisCre miceRenal repairNephron injuryControl littermatesObstructionGrowth factorMiceInhibitor-1InjuryDistinct Roles for Basal and Induced COX-2 in Podocyte Injury
Cheng H, Fan X, Guan Y, Moeckel GW, Zent R, Harris RC. Distinct Roles for Basal and Induced COX-2 in Podocyte Injury. Journal Of The American Society Of Nephrology 2009, 20: 1953-1962. PMID: 19643929, PMCID: PMC2736764, DOI: 10.1681/asn.2009010039.Peer-Reviewed Original ResearchMeSH KeywordsAlbuminuriaAnimalsAntibiotics, AntineoplasticApoptosisCell AdhesionCell Line, TransformedCell SurvivalCyclooxygenase 2DinoprostoneDoxorubicinGlomerulonephritisMaleMiceMice, Inbred StrainsMice, TransgenicPodocytesPuromycinReceptors, Prostaglandin EReceptors, ThromboxaneRNA, MessengerThromboxanesConceptsCyclooxygenase-2Thromboxane receptorCOX-2 knockout miceSelective deletionCOX-2 deletionInduced COX-2Receptor subtype 4COX-2 metabolitesFoot process effacementGlomerular injuryPodocyte injuryProstanoid receptorsAttenuated albuminuriaWild-type podocytesSubtype 4Transgenic miceProcess effacementTP antagonistPodocyte survivalInjuryMore prostaglandinsGenetic deletionMicePodocytesGreater expressionPlacental Insufficiency Associated with Loss of Cited1 Causes Renal Medullary Dysplasia
Sparrow DB, Boyle SC, Sams RS, Mazuruk B, Zhang L, Moeckel GW, Dunwoodie SL, de Caestecker MP. Placental Insufficiency Associated with Loss of Cited1 Causes Renal Medullary Dysplasia. Journal Of The American Society Of Nephrology 2009, 20: 777-786. PMID: 19297558, PMCID: PMC2663829, DOI: 10.1681/asn.2008050547.Peer-Reviewed Original ResearchConceptsRenal medullary dysplasiaPlacental insufficiencyTissue oxygenationLower urinary tract obstructionUrinary tract obstructionCITED1 expressionIntrauterine growth retardationTract obstructionRenal functionMedullary growthRenal dysplasiaDysplasiaGrowth retardationRenal medullaMutant miceDecreased numberInsufficiencyEarly nephrogenesisNumber of studiesMiceGenetic lossOxygenationUreteric budCircumstantial evidenceInfants
2008
NFATc1 Identifies a Population of Proximal Tubule Cell Progenitors
Langworthy M, Zhou B, de Caestecker M, Moeckel G, Baldwin HS. NFATc1 Identifies a Population of Proximal Tubule Cell Progenitors. Journal Of The American Society Of Nephrology 2008, 20: 311-321. PMID: 19118153, PMCID: PMC2637056, DOI: 10.1681/asn.2008010094.Peer-Reviewed Original ResearchConceptsProximal tubular cell injuryBALB/c miceAcute kidney injuryTubular cell injuryWild-type miceProximal tubule segmentsKidney injurySerum creatinineCalcineurin inhibitorsC miceSustained injuryNFATc1 activityPTC proliferationCell injuryProximal tubulesNFATc1 expressionSevere injuriesTubule cellsInjuryMercuric chlorideEpithelial regenerationNephron segmentsCyclosporin AMiceTubule segmentsβ1 integrin expression by podocytes is required to maintain glomerular structural integrity
Pozzi A, Jarad G, Moeckel GW, Coffa S, Zhang X, Gewin L, Eremina V, Hudson BG, Borza DB, Harris RC, Holzman LB, Phillips CL, Fassler R, Quaggin SE, Miner JH, Zent R. β1 integrin expression by podocytes is required to maintain glomerular structural integrity. Developmental Biology 2008, 316: 288-301. PMID: 18328474, PMCID: PMC2396524, DOI: 10.1016/j.ydbio.2008.01.022.Peer-Reviewed Original ResearchConceptsEnd-stage renal failureStage renal failureGlomerular structural integrityWeeks of agePodocin-cre miceGlomerular basement membraneGlomerular filtration barrier integrityNormal glomerular basement membraneExpression of beta1Renal failureGlomerular pathologyFiltration barrier integrityProgressive podocyte lossPodocyte lossGlomerular filtrationΒ1 integrin expressionBarrier integrityPodocyte abnormalitiesHeteromeric receptorsCapillary loopsGlomerular capillary formationMiceIntegrin expressionExtracellular matrixPodocytes
2007
Puromycin Induces Reversible Proteinuric Injury in Transgenic Mice Expressing Cyclooxygenase-2 in Podocytes
Jo YI, Cheng H, Wang S, Moeckel GW, Harris RC. Puromycin Induces Reversible Proteinuric Injury in Transgenic Mice Expressing Cyclooxygenase-2 in Podocytes. Nephron 2007, 107: e87-e94. PMID: 17890881, DOI: 10.1159/000108653.Peer-Reviewed Original ResearchConceptsCOX-2 expressionCOX-2-specific inhibitorsCOX-2 mRNATransgenic miceFoot process effacementDay 3COX-2Process effacementEndogenous COX-2 mRNAImmunoreactive COX-2Progressive renal diseaseCOX-2 overexpressionFoot process fusionCyclooxygenase-2 inhibitorRenal diseaseGlomerular injurySignificant albuminuriaCyclooxygenase-2Further injuryReal-time PCRDay 1Nephrin mRNADay 10AlbuminuriaMice
2004
Lack of Integrin α1β1 Leads to Severe Glomerulosclerosis after Glomerular Injury
Chen X, Moeckel G, Morrow JD, Cosgrove D, Harris RC, Fogo AB, Zent R, Pozzi A. Lack of Integrin α1β1 Leads to Severe Glomerulosclerosis after Glomerular Injury. American Journal Of Pathology 2004, 165: 617-630. PMID: 15277235, PMCID: PMC1618576, DOI: 10.1016/s0002-9440(10)63326-3.Peer-Reviewed Original ResearchConceptsSevere glomerulosclerosisGlomerular injuryIntegrin alpha1-null miceSeverity of fibrosisCollagen IV accumulationWild-type miceHost genetic susceptibilityMetabolism of collagenReactive oxygen species productionFibrotic lesionsIntegrin alpha1beta1Oxygen species productionAdriamycin treatmentMesangial cellsMatrix accumulationGenetic susceptibilityInjuryGlomerulosclerosisFibrosisCell proliferationROS productionSpecies productionROS synthesisIntegrin α1β1Mice
2003
Importance of Functional EGF Receptors in Recovery from Acute Nephrotoxic Injury
Wang Z, Chen JK, Wang SW, Moeckel G, Harris RC. Importance of Functional EGF Receptors in Recovery from Acute Nephrotoxic Injury. Journal Of The American Society Of Nephrology 2003, 14: 3147-3154. PMID: 14638913, DOI: 10.1097/01.asn.0000098681.56240.1a.Peer-Reviewed Original ResearchConceptsAcute nephrotoxic injuryTubular injuryNephrotoxic injurySerum blood urea nitrogenEGF receptorDUTP nick end labeling stainingNick end labeling stainingRenal tubular injuryBlood urea nitrogenWild-type miceReceptor tyrosine kinase activityTubule injuryRenal compromiseCreatinine levelsRenal expressionAcute injuryHistologic evidenceExogenous administrationSuch injuriesLabeling stainingKidney's abilityUrea nitrogenRate of recoveryInjuryMice