2016
Spider Silk Peptide Is a Compact, Linear Nanospring Ideal for Intracellular Tension Sensing
Brenner MD, Zhou R, Conway DE, Lanzano L, Gratton E, Schwartz MA, Ha T. Spider Silk Peptide Is a Compact, Linear Nanospring Ideal for Intracellular Tension Sensing. Nano Letters 2016, 16: 2096-2102. PMID: 26824190, PMCID: PMC4851340, DOI: 10.1021/acs.nanolett.6b00305.Peer-Reviewed Original ResearchConceptsSingle-molecule fluorescence-force spectroscopyFluorescence-force spectroscopyFluorescence resonance energy transferResonance energy transferRodlike structureSensor constructsShort peptidesIndividual chainsAccessible forcesEnergy transferSilk peptideCell imagingSpider silk proteinsBiological systemsRemarkable elasticitySilk proteinsFRETPN.PeptidesSpider silkPolymersSpectroscopyRecent developmentsForce sensitivityWide range
2014
Regulation of Rac1 translocation and activation by membrane domains and their boundaries
Moissoglu K, Kiessling V, Wan C, Hoffman BD, Norambuena A, Tamm LK, Schwartz MA. Regulation of Rac1 translocation and activation by membrane domains and their boundaries. Journal Of Cell Science 2014, 127: 2565-2576. PMID: 24695858, PMCID: PMC4038948, DOI: 10.1242/jcs.149088.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell MembraneFluorescence Resonance Energy TransferGTPase-Activating ProteinsHEK293 CellsHumansMembrane MicrodomainsMiceNIH 3T3 CellsProtein BindingProtein TransportRac1 GTP-Binding ProteinRho-Specific Guanine Nucleotide Dissociation InhibitorsSignal TransductionUnilamellar LiposomesConceptsFluorescence resonance energy transferMembrane domainsRac1 translocationGDP dissociation inhibitor proteinLiquid-ordered membrane domainsGTPase-activating proteinsNon-raft regionsNon-raft domainsBinding of Rac1Activation of Rac1Single-molecule analysisGTP loadingRho GTPasesLipid raftsRac1 localizationRho GTPaseInhibitor proteinResult of inactivationRac1Resonance energy transferFunctional studiesNovel mechanismLipid bilayersTranslocationRafts
2008
Regulation of LKB1/STRAD Localization and Function by E-Cadherin
Sebbagh M, Santoni MJ, Hall B, Borg JP, Schwartz MA. Regulation of LKB1/STRAD Localization and Function by E-Cadherin. Current Biology 2008, 19: 37-42. PMID: 19110428, PMCID: PMC2773019, DOI: 10.1016/j.cub.2008.11.033.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Vesicular TransportAdherens JunctionsAMP-Activated Protein Kinase KinasesAMP-Activated Protein KinasesBlotting, WesternCaco-2 CellsCadherinsCell FractionationDNA PrimersFluorescence Resonance Energy TransferHumansMultiprotein ComplexesPhosphorylationProtein Serine-Threonine KinasesReverse Transcriptase Polymerase Chain ReactionConceptsAdherens junctionsLKB1 complexE-cadherinE-cadherin-mediated adherens junctionsAMPK phosphorylationEpithelial apicobasal polarityCell-matrix contactsCell energy metabolismPseudokinase STRADLKB1 kinaseProtein MO25Apicobasal polarityEpithelial polarityCellular processesFluorescence resonance energy transferFamily kinasesKinase activityTumor suppressionTumor suppressorResonance energy transferKinaseUpstream factorsEnergy metabolismSTRADEpithelial cells
2002
Activation of Rac1 by shear stress in endothelial cells mediates both cytoskeletal reorganization and effects on gene expression
Tzima E, Del Pozo MA, Kiosses WB, Mohamed SA, Li S, Chien S, Schwartz MA. Activation of Rac1 by shear stress in endothelial cells mediates both cytoskeletal reorganization and effects on gene expression. The EMBO Journal 2002, 21: 6791-6800. PMID: 12486000, PMCID: PMC139108, DOI: 10.1093/emboj/cdf688.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCattleCell AdhesionCells, CulturedCytoskeletonDimerizationEnergy TransferEnzyme ActivationGene Expression RegulationGenes, DominantGreen Fluorescent ProteinsGTP PhosphohydrolasesIntercellular Adhesion Molecule-1LeukocytesLuciferasesLuminescent ProteinsMicroscopy, FluorescenceNF-kappa BPlasmidsProtein TransportRac GTP-Binding ProteinsRac1 GTP-Binding ProteinSpectrometry, FluorescenceStress, MechanicalTime FactorsTransfectionConceptsGene expressionFluorescence resonance energy transferSmall GTPase RacActivation of Rac1Endothelial cellsFocal adhesionsCytoskeletal organizationCytoskeletal reorganizationGTPase RacRac1 activationAdhesion receptorsResonance energy transferExtracellular matrixNuclear factor-kappaBNew integrinRac1Hemodynamic shear stressSubsequent expressionFactor-kappaBCell alignmentExpressionUnifying modelHemodynamic forcesCell adhesion molecule-1Cells