2014
Semaphorin3a Promotes Advanced Diabetic Nephropathy
Aggarwal PK, Veron D, Thomas DB, Siegel D, Moeckel G, Kashgarian M, Tufro A. Semaphorin3a Promotes Advanced Diabetic Nephropathy. Diabetes 2014, 64: 1743-1759. PMID: 25475434, PMCID: PMC4407856, DOI: 10.2337/db14-0719.Peer-Reviewed Original ResearchMeSH KeywordsActinsAnimalsChromonesCollagen Type IVDiabetes Mellitus, ExperimentalDiabetic NephropathiesEnzyme-Linked Immunosorbent AssayGene Expression RegulationGene Knockdown TechniquesHumansIntegrin alphaVbeta3LamininMembrane ProteinsMiceMice, KnockoutMicrofilament ProteinsMicrotubule-Associated ProteinsMixed Function OxygenasesNerve Tissue ProteinsPodocytesProteinuriaReceptors, Cell SurfaceRenal InsufficiencySemaphorin-3AWT1 ProteinsXanthonesConceptsAdvanced diabetic nephropathyDiabetic nephropathyRenal insufficiencyDiffuse podocyte foot process effacementPodocyte foot process effacementSevere diabetic nephropathyCollagen IV accumulationPotential therapeutic targetFoot process effacementGlomerular nodulesKimmelstiel-WilsonRenal biopsyGlomerular filtration barrierNodular glomerulosclerosisDiabetic miceMassive proteinuriaNovel therapiesDisease outcomePathogenic factorsTargetable pathwaysTherapeutic targetProcess effacementBarrier abnormalitiesFunction miceNephropathy
2013
Excess Podocyte Semaphorin-3A Leads to Glomerular Disease Involving PlexinA1–Nephrin Interaction
Reidy KJ, Aggarwal PK, Jimenez JJ, Thomas DB, Veron D, Tufro A. Excess Podocyte Semaphorin-3A Leads to Glomerular Disease Involving PlexinA1–Nephrin Interaction. American Journal Of Pathology 2013, 183: 1156-1168. PMID: 23954273, PMCID: PMC3791681, DOI: 10.1016/j.ajpath.2013.06.022.Peer-Reviewed Original Research
2011
Vascular Endothelial Growth Factor Receptor 2 Direct Interaction with Nephrin Links VEGF-A Signals to Actin in Kidney Podocytes*
Bertuccio C, Veron D, Aggarwal PK, Holzman L, Tufro A. Vascular Endothelial Growth Factor Receptor 2 Direct Interaction with Nephrin Links VEGF-A Signals to Actin in Kidney Podocytes*. Journal Of Biological Chemistry 2011, 286: 39933-39944. PMID: 21937443, PMCID: PMC3220571, DOI: 10.1074/jbc.m111.241620.Peer-Reviewed Original ResearchMeSH KeywordsActinsAdaptor Proteins, Signal TransducingAnimalsChlorocebus aethiopsCOS CellsMass SpectrometryMembrane ProteinsMiceMice, TransgenicMultiprotein ComplexesOncogene ProteinsPhosphorylationPodocytesProtein Structure, TertiarySignal TransductionVascular Endothelial Growth Factor AVascular Endothelial Growth Factor Receptor-2ConceptsVEGF receptor 2Cytoplasmic domainTransmembrane protein nephrinBlot overlay experimentsSpecialized cell junctionsFoot process structurePodocyte actin cytoskeletonExtracellular cuesActin cytoskeletonGrowth factorMultiprotein interactionsTyrosine phosphorylationOverlay experimentsPodocyte cytoskeletonPodocyte foot processesCell junctionsPodocyte shapeCultured cellsKidney podocytesProtein nephrinSlit diaphragmDirect interactionCytoskeletonEpithelial cellsCultured podocytes
2010
Overexpression of VEGF-A in podocytes of adult mice causes glomerular disease
Veron D, Reidy KJ, Bertuccio C, Teichman J, Villegas G, Jimenez J, Shen W, Kopp JB, Thomas DB, Tufro A. Overexpression of VEGF-A in podocytes of adult mice causes glomerular disease. Kidney International 2010, 77: 989-999. PMID: 20375978, DOI: 10.1038/ki.2010.64.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAnimalsAutocrine CommunicationDiabetic NephropathiesGenotypeGlomerular Basement MembraneKidney DiseasesMatrix Metalloproteinase 9Membrane ProteinsMiceMice, TransgenicParacrine CommunicationPhenotypePhosphorylationPodocytesProtein BindingProteinuriaSignal TransductionUp-RegulationVascular Endothelial Growth Factor AVascular Endothelial Growth Factor Receptor-2ConceptsGlomerular diseaseAdult miceGlomerular basement membrane thickeningMurine diabetic nephropathyBasement membrane thickeningGlomerular endothelial cellsAdult transgenic miceOverexpression of VEGFExcessive VEGFDiabetic nephropathyGlomerular filtration barrierMesangial expansionPathogenic roleMetalloproteinase-9Functional abnormalitiesMembrane thickeningPodocyte effacementNephrin expressionReceptor 2Transgenic miceWhole kidneyGlomerular phenotypeEndothelial cellsParacrine VEGFVEGF
2007
Semaphorin3a disrupts podocyte foot processes causing acute proteinuria
Tapia R, Guan F, Gershin I, Teichman J, Villegas G, Tufro A. Semaphorin3a disrupts podocyte foot processes causing acute proteinuria. Kidney International 2007, 73: 733-740. PMID: 18075495, DOI: 10.1038/sj.ki.5002726.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAnimalsCytoskeletal ProteinsDown-RegulationGlomerular Basement MembraneGlomerular Filtration RateIntracellular Signaling Peptides and ProteinsMaleMembrane ProteinsMiceMice, Inbred StrainsPermeabilityPodocytesProteinuriaRecombinant ProteinsSemaphorin-3AVascular Endothelial Growth Factor AVascular Endothelial Growth Factor Receptor-1Vascular Endothelial Growth Factor Receptor-2ConceptsPodocyte foot process effacementNephrotic range proteinuriaEndothelial cell damageVascular endothelial growth factorSlit diaphragm protein podocinFoot process effacementEndothelial growth factorReceptor 2 signalingVascular endothelial growth factor receptor 2 signalingAcute proteinuriaRange proteinuriaReceptor expressionVascular endothelial growth factor 165Process effacementBarrier homeostasisAdult mouse kidneyUltrastructural abnormalitiesSemaphorin3AEndothelial cellsCell damageGrowth factorMouse kidneyGuidance proteinsProteinuriaDownregulation
2006
Autocrine class 3 semaphorin system regulates slit diaphragm proteins and podocyte survival
Guan F, Villegas G, Teichman J, Mundel P, Tufro A. Autocrine class 3 semaphorin system regulates slit diaphragm proteins and podocyte survival. Kidney International 2006, 69: 1564-1569. PMID: 16541019, DOI: 10.1038/sj.ki.5000313.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAnimalsApoptosisAutocrine CommunicationCells, CulturedCytoskeletal ProteinsDown-RegulationIntracellular Signaling Peptides and ProteinsKidney GlomerulusMembrane ProteinsMicePhosphorylationPodocytesProteinsProto-Oncogene Proteins c-aktReceptors, Cell SurfaceReceptors, ImmunologicSemaphorin-3ASemaphorinsConceptsReverse transcriptase-polymerase chain reactionClass 3 semaphorinsPodocyte survivalSlit diaphragm proteinsSema 3APodocyte apoptosisDiaphragm proteinsTranscriptase-polymerase chain reactionDifferentiated podocytesSema 3A.Activity markersAkt survival pathwayDifferentiated mouse podocytesSemaphorin 3ASemaphorin 3BGuidance proteinsMouse podocytesPodocytesMRNA levelsSurvival pathwaysUndetectable levelsChain reactionPlexin-A1SurvivalSemaphorin RegulationAutocrine VEGF-A system in podocytes regulates podocin and its interaction with CD2AP
Guan F, Villegas G, Teichman J, Mundel P, Tufro A. Autocrine VEGF-A system in podocytes regulates podocin and its interaction with CD2AP. American Journal Of Physiology. Renal Physiology 2006, 291: f422-f428. PMID: 16597608, DOI: 10.1152/ajprenal.00448.2005.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAnimalsCell DifferentiationCell LineCell SurvivalC-Reactive ProteinCytoskeletal ProteinsGene Expression RegulationIntracellular Signaling Peptides and ProteinsMembrane ProteinsMiceNerve Tissue ProteinsNeuropilin-2PodocytesProteinsProto-Oncogene Proteins c-aktReceptors, Vascular Endothelial Growth FactorRNA, MessengerSignal TransductionVascular Endothelial Growth Factor AVascular Endothelial Growth Factor Receptor-1Vascular Endothelial Growth Factor Receptor-2ConceptsWestern analysisAutocrine VEGFPodocyte VEGFGrowth factor signalingVEGFR2 mRNA levelsMRNA levelsEndothelial cell differentiationVascular endothelial growth factor signalingCompletion of developmentVascular patterningKidney morphogenesisFactor signalingPodocyte differentiationUndifferentiated podocytesLigand availabilityCell differentiationVEGFR2 phosphorylationDifferentiated conditionsImmortalized mouse podocytesProtein levelsProtein expressionMouse podocytesVEGFR2 mRNADifferentiated podocytesCD2AP