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
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
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 inhibits ureteric bud branching morphogenesis
Tufro A, Teichman J, Woda C, Villegas G. Semaphorin3a inhibits ureteric bud branching morphogenesis. Cells And Development 2007, 125: 558-568. PMID: 18249526, PMCID: PMC3992265, DOI: 10.1016/j.mod.2007.12.003.Peer-Reviewed Original ResearchConceptsUreteric budUreteric bud branchingAkt survival pathwayUreteric bud treeUreteric bud cellsAntisense morpholinoClass 3 semaphorinsVascular patterningMetanephric organ cultureFactor signalingMouse embryosNegative regulatorKidney developmentSurvival pathwaysGuidance proteinsNeurotrophic Factor SignalingSema3A effectBudsRenal epitheliumMorphogenesisBud cellsMutant miceRecombinant Sema3AGrowth factorSema3ACrosstalk between VEGF-A/VEGFR2 and GDNF/RET signaling pathways
Tufro A, Teichman J, Banu N, Villegas G. Crosstalk between VEGF-A/VEGFR2 and GDNF/RET signaling pathways. Biochemical And Biophysical Research Communications 2007, 358: 410-416. PMID: 17490619, DOI: 10.1016/j.bbrc.2007.04.146.Peer-Reviewed Original ResearchConceptsVascular endothelial growth factorCell proliferationEndothelial growth factorNeurotrophic factorGDNF/RETEmbryonic kidney explantsUreteric bud branchingUreteric bud cellsC-RetGrowth factorRT-PCRVEGFNovel cooperative interactionVEGFR2Branching morphogenesisRETVEGFR2 autophosphorylationGDNFKidney developmentBud cellsUreteric budAdditive effectMajor regulatorKidney explantsPhosphorylation
2006
Autocrine 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 TransducingAnimalsC-Reactive ProteinCell DifferentiationCell LineCell SurvivalCytoskeletal 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
2005
Autocrine and paracrine functions of vascular endothelial growth factor (VEGF) in renal tubular epithelial cells
Villegas G, Lange-Sperandio B, Tufro A. Autocrine and paracrine functions of vascular endothelial growth factor (VEGF) in renal tubular epithelial cells. Kidney International 2005, 67: 449-457. PMID: 15673292, DOI: 10.1111/j.1523-1755.2005.67101.x.Peer-Reviewed Original Research