2019
Filamin A mediates isotropic distribution of applied force across the actin network
Kumar A, Shutova MS, Tanaka K, Iwamoto DV, Calderwood DA, Svitkina TM, Schwartz MA. Filamin A mediates isotropic distribution of applied force across the actin network. Journal Of Cell Biology 2019, 218: 2481-2491. PMID: 31315944, PMCID: PMC6683746, DOI: 10.1083/jcb.201901086.Peer-Reviewed Original ResearchConceptsTalin tension sensorStress fibersActin networkFilamin ACortical actin networkCortical actin filamentsIntegrin-mediated adhesionActin cytoskeletonFocal adhesionsCortical actinFLNA knockdownActin filamentsTalinKnockdownCell sensingDirection of stretchTension sensorPhysiology of muscleUniaxial stretchForce transmissionCytoskeletonStrainsStretchAdhesionReexpression
2018
Local Tension on Talin in Focal Adhesions Correlates with F-Actin Alignment at the Nanometer Scale
Kumar A, Anderson KL, Swift MF, Hanein D, Volkmann N, Schwartz MA. Local Tension on Talin in Focal Adhesions Correlates with F-Actin Alignment at the Nanometer Scale. Biophysical Journal 2018, 115: 1569-1579. PMID: 30274833, PMCID: PMC6372196, DOI: 10.1016/j.bpj.2018.08.045.Peer-Reviewed Original ResearchConceptsActin organizationLocal actin organizationTalin tension sensorFocal adhesion dynamicsLinear actin filamentsIndividual focal adhesionsCellular force transmissionF-actin alignmentFocal adhesionsAdhesion dynamicsCell centerVinculin localizationActin intensityActin filamentsF-actinAdhesion centersNormal physiologyTalinSame cellsAdhesion correlatesStable adhesionTension sensor
2016
Talin tension sensor reveals novel features of focal adhesion force transmission and mechanosensitivity
Kumar A, Ouyang M, Van den Dries K, McGhee EJ, Tanaka K, Anderson MD, Groisman A, Goult BT, Anderson KI, Schwartz MA. Talin tension sensor reveals novel features of focal adhesion force transmission and mechanosensitivity. Journal Of Cell Biology 2016, 213: 371-383. PMID: 27161398, PMCID: PMC4862330, DOI: 10.1083/jcb.201510012.Peer-Reviewed Original ResearchConceptsTalin tension sensorFar C-terminusIntegrin-dependent adhesionPeripheral adhesionsTension sensorFocal adhesionsCellular mechanosensingMechanosensitive structuresTalin functionC-terminusDistinct functionsRod domainStiffness sensingTalinVinculinActin filamentsABS3Site 2Soft substratesAdhesionForce transmissionMechanosensingNew lightTerminus