2013
β1 integrin regulates Arg to promote invadopodial maturation and matrix degradation
Beaty BT, Sharma VP, Bravo-Cordero JJ, Simpson MA, Eddy RJ, Koleske AJ, Condeelis J. β1 integrin regulates Arg to promote invadopodial maturation and matrix degradation. Molecular Biology Of The Cell 2013, 24: 1661-1675. PMID: 23552693, PMCID: PMC3667720, DOI: 10.1091/mbc.e12-12-0908.Peer-Reviewed Original ResearchMeSH KeywordsActin Depolymerizing FactorsActinsCell Line, TumorCell MovementCortactinExtracellular MatrixGene Expression Regulation, NeoplasticHumansIntegrin beta1PhosphorylationProtein BindingProtein MultimerizationProtein-Tyrosine KinasesPseudopodiaRNA, Small InterferingSignal TransductionTyrosineConceptsΒ1 integrinBarbed end formationInvasive membrane protrusionsMatrix degradationΒ1 integrin activationMature invadopodiaInvadopodial functionMetastatic human breast cancer cellsMembrane protrusionsExtracellular matrix degradationCortactin phosphorylationTyrosine 421InvadopodiaIntegrin activationMatrix proteolysisHuman breast cancer cellsThree-dimensional matrixPrecursor maturationBreast cancer cellsMetastatic tumor cellsIntegrinsCancer cellsPhosphorylationMaturationFundamental role
2011
Cortactin phosphorylation regulates cell invasion through a pH-dependent pathway
Magalhaes MA, Larson DR, Mader CC, Bravo-Cordero JJ, Gil-Henn H, Oser M, Chen X, Koleske AJ, Condeelis J. Cortactin phosphorylation regulates cell invasion through a pH-dependent pathway. Journal Of Cell Biology 2011, 195: 903-920. PMID: 22105349, PMCID: PMC3257566, DOI: 10.1083/jcb.201103045.Peer-Reviewed Original ResearchMeSH KeywordsActin Depolymerizing FactorsAdaptor Proteins, Signal TransducingCation Transport ProteinsCell Line, TumorCell Surface ExtensionsCortactinHumansHydrogen-Ion ConcentrationModels, BiologicalNeoplasm InvasivenessOncogene ProteinsPhosphorylationSodium-Hydrogen Exchanger 1Sodium-Hydrogen ExchangersConceptsCortactin phosphorylationCell invasionInvadopodia maturationCortactin tyrosine phosphorylationPH-dependent regulationInvasive protrusionsPH-dependent pathwayCofilin activityCofilin regulationTyrosine phosphorylationExchanger NHE1Cofilin activationPhosphorylationInvadopodiaProteolytic activityPrecise mechanismInvasionNHE1RegulationDynamic cyclePathwayMaturationTumor cellsNck1Cofilin
2009
Cortactin regulates cofilin and N-WASp activities to control the stages of invadopodium assembly and maturation
Oser M, Yamaguchi H, Mader CC, Bravo-Cordero JJ, Arias M, Chen X, DesMarais V, van Rheenen J, Koleske AJ, Condeelis J. Cortactin regulates cofilin and N-WASp activities to control the stages of invadopodium assembly and maturation. Journal Of Cell Biology 2009, 186: 571-587. PMID: 19704022, PMCID: PMC2733743, DOI: 10.1083/jcb.200812176.Peer-Reviewed Original ResearchMeSH KeywordsActin Depolymerizing FactorsActin-Related Protein 2-3 ComplexActinsAdaptor Proteins, Signal TransducingAnimalsCell Line, TumorCortactinEpidermal Growth FactorExtracellular MatrixHumansMammary Neoplasms, AnimalMatrix Metalloproteinase 14Neoplasm InvasivenessOncogene Protein pp60(v-src)Oncogene ProteinsPhosphorylationProtein Structure, TertiaryRatsRecombinant Fusion ProteinsRNA, Small InterferingTyrosineWiskott-Aldrich Syndrome Protein, NeuronalConceptsInvadopodium assemblyActin polymerizationCortactin phosphorylationArp2/3 complex-dependent actin polymerizationArp2/3-dependent actin polymerizationComplex-dependent actin polymerizationBarbed end formationN-WASP activityCarcinoma cellsMembrane protrusionsEnd formationSevering activityInvadopodiaMaster switchActin filamentsBarbed endsCortactinInvasive carcinoma cellsMetastatic carcinoma cellsNovel mechanismPhosphorylationCofilinMatrix degradationMaturationAssembly