2016
Differential expression of cytoskeletal regulatory factors in the adolescent prefrontal cortex: Implications for cortical development
Shapiro LP, Parsons RG, Koleske AJ, Gourley SL. Differential expression of cytoskeletal regulatory factors in the adolescent prefrontal cortex: Implications for cortical development. Journal Of Neuroscience Research 2016, 95: 1123-1143. PMID: 27735056, PMCID: PMC5352542, DOI: 10.1002/jnr.23960.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAge FactorsAnalysis of VarianceAnimalsBrain-Derived Neurotrophic FactorCytoskeletonDendritic SpinesFemaleGene Expression Regulation, DevelopmentalHumansIntegrin beta1MaleMembrane GlycoproteinsMiceMice, TransgenicNeural PathwaysNeuronsPrefrontal CortexReceptor, trkBSignal TransductionSynapsesSynaptophysinConceptsPrefrontal cortexDendritic spinesTropomyosin-related kinase receptor BDifferent adolescent agesKinase receptor BPrevalence of depressionMental health disordersDeep-layer excitatory neuronsRho kinase 2TrkB levelsVentral hippocampusOrbital prefrontal cortexAge-related differencesPsychiatric illnessReceptor BExcitatory neuronsPostnatal brainHealth disordersAnatomical connectionsNeuronal structuresWestern blottingAdolescent ageEarly adulthoodDramatic structural reorganizationPFC subregions
2015
Direct Interactions with the Integrin β1 Cytoplasmic Tail Activate the Abl2/Arg Kinase*
Simpson MA, Bradley WD, Harburger D, Parsons M, Calderwood DA, Koleske AJ. Direct Interactions with the Integrin β1 Cytoplasmic Tail Activate the Abl2/Arg Kinase*. Journal Of Biological Chemistry 2015, 290: 8360-8372. PMID: 25694433, PMCID: PMC4375489, DOI: 10.1074/jbc.m115.638874.Peer-Reviewed Original ResearchConceptsIntegrin β1 cytoplasmic tailExtracellular matrix adhesion receptorsSrc homology domainFibroblast cell motilityIntegrin β1Β1 cytoplasmic tailMembrane-proximal segmentAdhesion complex formationMatrix adhesion receptorsNonreceptor tyrosine kinaseArg kinase activityArg nonreceptor tyrosine kinaseCancer cell invasivenessHomology domainActin cytoskeletonCytoplasmic tailCytoskeletal remodelingDendrite morphogenesisTyr-783Kinase domainPhosphorylated regionAbl familyΒ1 tailArg kinaseCell motility
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
Integrin β1 Signals through Arg to Regulate Postnatal Dendritic Arborization, Synapse Density, and Behavior
Warren MS, Bradley WD, Gourley SL, Lin YC, Simpson MA, Reichardt LF, Greer CA, Taylor JR, Koleske AJ. Integrin β1 Signals through Arg to Regulate Postnatal Dendritic Arborization, Synapse Density, and Behavior. Journal Of Neuroscience 2012, 32: 2824-2834. PMID: 22357865, PMCID: PMC3313657, DOI: 10.1523/jneurosci.3942-11.2012.Peer-Reviewed Original ResearchMeSH KeywordsAlpha-FetoproteinsAnalysis of VarianceAnimalsAnimals, NewbornAvoidance LearningBasic Helix-Loop-Helix Transcription FactorsCells, CulturedCocaineDendritesEnzyme-Linked Immunosorbent AssayExploratory BehaviorGreen Fluorescent ProteinsGTPase-Activating ProteinsHippocampusImmunoprecipitationIntegrin beta1MaleMiceMice, KnockoutMutationNerve Tissue ProteinsNeuronsOrgan Culture TechniquesPost-Synaptic DensityProtein BindingRecognition, PsychologyRepressor ProteinsSignal TransductionSrc Homology DomainsSynapsesConceptsIntegrin β1Vertebrate nervous systemExtracellular matrix receptorsGenetic experimentsIntracellular tailGenetic manipulationRhoA GTPaseArg kinaseMatrix receptorsProper hippocampal functionProper developmentSynapse maintenanceDose-sensitive mannerImpaired hippocampus-dependent learningHippocampal dendritic arborsHippocampal synapse lossDendritic arbor sizeHippocampus-dependent learningΒ1ArgSelective lossGTPaseP190RhoGAPPsychomotor sensitivityKinase