2019
Filamin A mediates isotropic distribution of applied force across the actin network
Kumar A, Shutova MS, Tanaka K, Iwamoto DV, Calderwood DA, Svitkina TM, Schwartz MA. Filamin A mediates isotropic distribution of applied force across the actin network. Journal Of Cell Biology 2019, 218: 2481-2491. PMID: 31315944, PMCID: PMC6683746, DOI: 10.1083/jcb.201901086.Peer-Reviewed Original ResearchConceptsTalin tension sensorStress fibersActin networkFilamin ACortical actin networkCortical actin filamentsIntegrin-mediated adhesionActin cytoskeletonFocal adhesionsCortical actinFLNA knockdownActin filamentsTalinKnockdownCell sensingDirection of stretchTension sensorPhysiology of muscleUniaxial stretchForce transmissionCytoskeletonStrainsStretchAdhesionReexpression
2016
Defective fluid shear stress mechanotransduction mediates hereditary hemorrhagic telangiectasia
Baeyens N, Larrivée B, Ola R, Hayward-Piatkowskyi B, Dubrac A, Huang B, Ross TD, Coon BG, Min E, Tsarfati M, Tong H, Eichmann A, Schwartz MA. Defective fluid shear stress mechanotransduction mediates hereditary hemorrhagic telangiectasia. Journal Of Cell Biology 2016, 214: 807-816. PMID: 27646277, PMCID: PMC5037412, DOI: 10.1083/jcb.201603106.Peer-Reviewed Original ResearchActivin Receptors, Type IIArteriovenous MalformationsArteriovenous Shunt, SurgicalBone Morphogenetic ProteinsCell ProliferationEndoglinEndothelial CellsGene DeletionHEK293 CellsHemorheologyHuman Umbilical Vein Endothelial CellsHumansMechanotransduction, CellularPericytesRegional Blood FlowRetinaSignal TransductionSolubilityStress, MechanicalTelangiectasia, Hereditary Hemorrhagic
2015
Targeting NCK-Mediated Endothelial Cell Front-Rear Polarity Inhibits Neovascularization
Dubrac A, Genet G, Ola R, Zhang F, Pibouin-Fragner L, Han J, Zhang J, Thomas JL, Chedotal A, Schwartz MA, Eichmann A. Targeting NCK-Mediated Endothelial Cell Front-Rear Polarity Inhibits Neovascularization. Circulation 2015, 133: 409-421. PMID: 26659946, PMCID: PMC4729599, DOI: 10.1161/circulationaha.115.017537.Peer-Reviewed Original ResearchConceptsFront-rear polaritySprouting angiogenesisSignal integration mechanismImportant drug targetsNck adaptorsCytoskeletal dynamicsEndothelial cell migrationEmbryonic developmentAngiogenesis defectsPAK2 activationVessel sproutsNumber of diseasesBlood vessel growthDrug targetsCell migrationPostnatal retinaAngiogenic growthNckNck1AdaptorVessel growthKey processesEndothelial cellsPathological ocular neovascularizationInhibits neovascularizationKLF4 is a key determinant in the development and progression of cerebral cavernous malformations
Cuttano R, Rudini N, Bravi L, Corada M, Giampietro C, Papa E, Morini MF, Maddaluno L, Baeyens N, Adams RH, Jain MK, Owens GK, Schwartz M, Lampugnani MG, Dejana E. KLF4 is a key determinant in the development and progression of cerebral cavernous malformations. EMBO Molecular Medicine 2015, 8: 6-24. PMID: 26612856, PMCID: PMC4718159, DOI: 10.15252/emmm.201505433.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBone Morphogenetic Protein 6Cell ProliferationDisease Models, AnimalDisease ProgressionEndothelial CellsHEK293 CellsHemangioma, Cavernous, Central Nervous SystemHumansKRIT1 ProteinKruppel-Like Factor 4Kruppel-Like Transcription FactorsMiceMice, Inbred C57BLMice, KnockoutMicrotubule-Associated ProteinsMitogen-Activated Protein Kinase 7MutationProto-Oncogene ProteinsRNA InterferenceSignal TransductionSmad1 ProteinTransforming Growth Factor betaConceptsKruppel-like factor 4Cerebral cavernous malformationsEndothelial cellsCavernous malformationsFamilial cerebral cavernous malformationsCentral nervous systemDouble knockout miceGrowth factor-beta/bone morphogenetic protein signalingCerebral hemorrhageMouse mortalityPharmacological treatmentCurrent therapiesVascular malformationsKnockout miceTherapeutic targetNervous systemMesenchymal transitionKLF4 transcriptional activityMalformationsCCM3 genesFactor 4Function mutationsEndMTMorphogenetic protein signalingBone morphogenetic protein (BMP) signalingIntramembrane binding of VE-cadherin to VEGFR2 and VEGFR3 assembles the endothelial mechanosensory complex
Coon BG, Baeyens N, Han J, Budatha M, Ross TD, Fang JS, Yun S, Thomas JL, Schwartz MA. Intramembrane binding of VE-cadherin to VEGFR2 and VEGFR3 assembles the endothelial mechanosensory complex. Journal Of Cell Biology 2015, 208: 975-986. PMID: 25800053, PMCID: PMC4384728, DOI: 10.1083/jcb.201408103.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigens, CDCadherinsCell MovementCells, CulturedEndothelium, VascularHEK293 CellsHuman Umbilical Vein Endothelial CellsHumansMechanotransduction, CellularMiceMice, Inbred C57BLNeovascularization, PhysiologicPlaque, AtheroscleroticPlatelet Endothelial Cell Adhesion Molecule-1Protein Structure, TertiaryRNA InterferenceRNA, Small InterferingStress, MechanicalStress, PhysiologicalVascular Endothelial Growth Factor Receptor-2Vascular Endothelial Growth Factor Receptor-3
2014
Regulation of Rac1 translocation and activation by membrane domains and their boundaries
Moissoglu K, Kiessling V, Wan C, Hoffman BD, Norambuena A, Tamm LK, Schwartz MA. Regulation of Rac1 translocation and activation by membrane domains and their boundaries. Journal Of Cell Science 2014, 127: 2565-2576. PMID: 24695858, PMCID: PMC4038948, DOI: 10.1242/jcs.149088.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell MembraneFluorescence Resonance Energy TransferGTPase-Activating ProteinsHEK293 CellsHumansMembrane MicrodomainsMiceNIH 3T3 CellsProtein BindingProtein TransportRac1 GTP-Binding ProteinRho-Specific Guanine Nucleotide Dissociation InhibitorsSignal TransductionUnilamellar LiposomesConceptsFluorescence resonance energy transferMembrane domainsRac1 translocationGDP dissociation inhibitor proteinLiquid-ordered membrane domainsGTPase-activating proteinsNon-raft regionsNon-raft domainsBinding of Rac1Activation of Rac1Single-molecule analysisGTP loadingRho GTPasesLipid raftsRac1 localizationRho GTPaseInhibitor proteinResult of inactivationRac1Resonance energy transferFunctional studiesNovel mechanismLipid bilayersTranslocationRafts