2017
Phosphorylated cortactin recruits Vav2 guanine nucleotide exchange factor to activate Rac3 and promote invadopodial function in invasive breast cancer cells
Rosenberg BJ, Gil-Henn H, Mader CC, Halo T, Yin T, Condeelis J, Machida K, Wu YI, Koleske AJ. Phosphorylated cortactin recruits Vav2 guanine nucleotide exchange factor to activate Rac3 and promote invadopodial function in invasive breast cancer cells. Molecular Biology Of The Cell 2017, 28: 1347-1360. PMID: 28356423, PMCID: PMC5426849, DOI: 10.1091/mbc.e16-12-0885.Peer-Reviewed Original ResearchConceptsInvasive breast cancer cellsInvadopodium maturationBreast cancer cellsActin nucleation-promoting factorCancer cellsSH2 domain bindsHuman SH2 domainsMatrix degradationNucleation-promoting factorsGuanine nucleotide exchange factor Vav2Actin-rich protrusionsSubsequent cell invasionExchange factor Vav2Active Rac3Invasive MDA-MB-231 breast cancer cellsMDA-MB-231 breast cancer cellsInvadopodial functionSH2 domainDomain bindsExchange factorKinase cascadeCortactin phosphorylationActin polymerizationMutant formsInvadopodia
2014
Abelson phosphorylation of CLASP2 modulates its association with microtubules and actin
Engel U, Zhan Y, Long JB, Boyle SN, Ballif BA, Dorey K, Gygi SP, Koleske AJ, VanVactor D. Abelson phosphorylation of CLASP2 modulates its association with microtubules and actin. Cytoskeleton 2014, 71: 195-209. PMID: 24520051, PMCID: PMC4054870, DOI: 10.1002/cm.21164.Peer-Reviewed Original ResearchMeSH KeywordsActin CytoskeletonActinsAmino Acid SequenceAnimalsCell AdhesionChlorocebus aethiopsCOS CellsGrowth ConesHEK293 CellsHumansMicrotubule-Associated ProteinsMicrotubulesMolecular Sequence DataPhosphorylationPhosphotyrosinePlatelet-Derived Growth FactorProtein BindingProto-Oncogene Proteins c-ablSignal TransductionSubcellular FractionsSubstrate SpecificityXenopusConceptsAbelson non-receptor tyrosine kinasesNon-receptor tyrosine kinaseBona fide substrateF-actin structuresVertebrate cellsFide substrateProtein CLASPInteraction domainPDGF stimulationCLASP2Tyrosine residuesF-actinTyrosine kinaseNeural developmentAbl phosphorylationMicrotubulesPhosphorylationGrowth conesCytoskeletonABLFunctional relationshipDrosophilaMultiple stagesKinaseNeurulation