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
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
2012
Arg/Abl2 promotes invasion and attenuates proliferation of breast cancer in vivo
Gil-Henn H, Patsialou A, Wang Y, Warren MS, Condeelis JS, Koleske AJ. Arg/Abl2 promotes invasion and attenuates proliferation of breast cancer in vivo. Oncogene 2012, 32: 2622-2630. PMID: 22777352, PMCID: PMC3473103, DOI: 10.1038/onc.2012.284.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBreast NeoplasmsCell Line, TumorCell ProliferationErbB ReceptorsFemaleGene Knockdown TechniquesHumansLung NeoplasmsMAP Kinase Signaling SystemMiceMice, SCIDNeoplasm InvasivenessNeoplasm MetastasisNeoplasm TransplantationProto-Oncogene Proteins c-ablSrc-Family KinasesTransplantation, HeterologousConceptsTumor cell invasionBreast cancer cellsTyrosine kinaseCancer cellsCell invasionNon-receptor tyrosine kinaseRas-MAPK signalingRas-MAPK pathwayGene expression patternsSrc tyrosine kinaseInvasion-associated genesUncontrolled cell divisionProliferation-associated genesMetastatic cancer cellsCell divisionExpression patternsEGF receptorTumor cell proliferationPromotes InvasionMouse xenograft modelCell proliferationMultistep processGenetic aberrationsKinaseGenes