2011
Effects of integrin-mediated cell adhesion on plasma membrane lipid raft components and signaling
Norambuena A, Schwartz MA. Effects of integrin-mediated cell adhesion on plasma membrane lipid raft components and signaling. Molecular Biology Of The Cell 2011, 22: 3456-3464. PMID: 21795400, PMCID: PMC3172269, DOI: 10.1091/mbc.e11-04-0361.Peer-Reviewed Original ResearchConceptsLipid raft componentsRaft componentsLipid raftsCyclic adenosine monophosphateCell detachmentCell adhesionLipid raft markersGlycosylphosphatidylinositol-linked proteinsRaft associationRaft markersRho GTPasesNonraft fractionsDetachment of cellsElevation of cAMPStudy of integrinsTermination of growthPlasma membraneH-RasAnchorage dependenceKey defenseCell growthFlotillin2Sucrose gradientsCancer metastasisLipid tails
2009
RalA-Exocyst Complex Regulates Integrin-Dependent Membrane Raft Exocytosis and Growth Signaling
Balasubramanian N, Meier JA, Scott DW, Norambuena A, White MA, Schwartz MA. RalA-Exocyst Complex Regulates Integrin-Dependent Membrane Raft Exocytosis and Growth Signaling. Current Biology 2009, 20: 75-79. PMID: 20005108, PMCID: PMC2822103, DOI: 10.1016/j.cub.2009.11.016.Peer-Reviewed Original ResearchConceptsPlasma membraneRecycling endosomesGrowth signalingActivation of Arf6Small GTPase RalACaveolin-dependent internalizationLipid raft microdomainsAnchorage-independent growthEffects of integrinsExocyst complexActive RalARaft microdomainsMembrane raftsRaft markersIntegrin signalingPancreatic cancer cellsRalAAnchorage dependenceAnchorage independenceCell growthSignalingCell detachmentCancer cellsEndosomesExocytosis
2007
Rac, membrane heterogeneity, caveolin and regulation of growth by integrins
Del Pozo MA, Schwartz MA. Rac, membrane heterogeneity, caveolin and regulation of growth by integrins. Trends In Cell Biology 2007, 17: 246-250. PMID: 17363257, DOI: 10.1016/j.tcb.2007.03.001.Peer-Reviewed Original ResearchConceptsCholesterol-enriched membrane domainsAnchorage dependenceGrowth regulatory pathwaysRegulation of growthBlocks cell proliferationCancer cell invasionMembrane domainsRegulatory pathwaysCaveolin-1Cell invasionTyr-14Membrane heterogeneityNon-adherent cellsMultiple pathwaysCell proliferationBinding sitesRacImportant mechanismIntegrinsPathwayCaveolinCellsPtdInsCaveolaeEndocytosis
2000
Death Effector Domain Protein PEA-15 Potentiates Ras Activation of Extracellular Signal Receptor-activated Kinase by an Adhesion-independent Mechanism
Ramos J, Hughes P, Renshaw M, Schwartz M, Formstecher E, Chneiweiss H, Ginsberg M. Death Effector Domain Protein PEA-15 Potentiates Ras Activation of Extracellular Signal Receptor-activated Kinase by an Adhesion-independent Mechanism. Molecular Biology Of The Cell 2000, 11: 2863-2872. PMID: 10982386, PMCID: PMC14961, DOI: 10.1091/mbc.11.9.2863.Peer-Reviewed Original ResearchMeSH Keywords3T3 CellsAnimalsApoptosis Regulatory ProteinsCell AdhesionCell LineCHO CellsCricetinaeEnzyme ActivationGuanosine TriphosphateHumansIntracellular Signaling Peptides and ProteinsJNK Mitogen-Activated Protein KinasesMAP Kinase Kinase Kinase 1MiceMitogen-Activated Protein KinasesP38 Mitogen-Activated Protein KinasesPhosphoproteinsProtein Serine-Threonine KinasesRas ProteinsRecombinant Fusion ProteinsSignal TransductionConceptsPEA-15 expressionPEA-15ERK activationMitogen-activated protein kinase kinaseMitogen-activated protein kinase pathwayAdhesion-independent mechanismsRas-dependent mannerProtein kinase kinaseRegulation of apoptosisProtein kinase pathwayChinese hamster ovary cellsRas guanosineKinase kinaseRas activationSignal receptorHamster ovary cellsH-RasKinase pathwayERK activityIntegrin activationERK signalingAnchorage dependenceOncogenic processesOvary cellsApoptosis