2017
Novel ecto-tagged integrins reveal their trafficking in live cells
Huet-Calderwood C, Rivera-Molina F, Iwamoto DV, Kromann EB, Toomre D, Calderwood DA. Novel ecto-tagged integrins reveal their trafficking in live cells. Nature Communications 2017, 8: 570. PMID: 28924207, PMCID: PMC5603536, DOI: 10.1038/s41467-017-00646-w.Peer-Reviewed Original ResearchConceptsIntegrin functionΒ1 integrinLive cellsCell surface adhesion receptorsHeterodimeric cell-surface adhesion receptorsIntegrin endocytosisMulticellular organismsNovel powerful toolFocal adhesionsKnockout fibroblastsIntegrin activationAdhesion receptorsExtracellular loopIntegrinsTraffickingMajor mysteriesCellsTagsAdhesionHaloTagEndocytosisPowerful toolExocytosisOrganismsVesicles
2014
Dynamin 2 regulation of integrin endocytosis, but not VEGF signaling, is crucial for developmental angiogenesis
Lee MY, Skoura A, Park EJ, Landskroner-Eiger S, Jozsef L, Luciano AK, Murata T, Pasula S, Dong Y, Bouaouina M, Calderwood DA, Ferguson SM, De Camilli P, Sessa WC. Dynamin 2 regulation of integrin endocytosis, but not VEGF signaling, is crucial for developmental angiogenesis. Development 2014, 141: 1465-1472. PMID: 24598168, PMCID: PMC3957370, DOI: 10.1242/dev.104539.Peer-Reviewed Original ResearchConceptsΒ1 integrinFocal adhesion sizeGrowth factor signalingVascular endothelial growth factor signalingEndocytic turnoverIntegrin endocytosisDynamin 2Adhesion sizeFactor signalingDevelopmental angiogenesisAngiogenic sproutingCell migrationCultured endothelial cellsMultiple integrinsInducible lossIntegrinsMorphogenesisActivation stateDNM2Endothelial cellsAngiogenesisVivoEndocytosisSurface levelSignalingPodocyte-associated talin1 is critical for glomerular filtration barrier maintenance
Tian X, Kim JJ, Monkley SM, Gotoh N, Nandez R, Soda K, Inoue K, Balkin DM, Hassan H, Son SH, Lee Y, Moeckel G, Calderwood DA, Holzman LB, Critchley DR, Zent R, Reiser J, Ishibe S. Podocyte-associated talin1 is critical for glomerular filtration barrier maintenance. Journal Of Clinical Investigation 2014, 124: 1098-1113. PMID: 24531545, PMCID: PMC3934159, DOI: 10.1172/jci69778.Peer-Reviewed Original ResearchConceptsNephrotic syndromeFoot process effacementLoss of talin1Glomerular filtration barrierGlomerular injuryMurine modelProcess effacementKidney's glomerular filtration barrierFiltration barrierGlomerular basement membraneSevere proteinuriaKidney failurePharmacologic inhibitionSyndromeBarrier maintenanceCalpain activityIntegrin activationEpithelial cellsPodocytesModest reductionΒ1 integrin activationBasement membranePathogenesisInjuryCytoskeletal protein talin1
2013
Kindlin Binds Migfilin Tandem LIM Domains and Regulates Migfilin Focal Adhesion Localization and Recruitment Dynamics*
Brahme NN, Harburger DS, Kemp-O'Brien K, Stewart R, Raghavan S, Parsons M, Calderwood DA. Kindlin Binds Migfilin Tandem LIM Domains and Regulates Migfilin Focal Adhesion Localization and Recruitment Dynamics*. Journal Of Biological Chemistry 2013, 288: 35604-35616. PMID: 24165133, PMCID: PMC3853305, DOI: 10.1074/jbc.m113.483016.Peer-Reviewed Original ResearchConceptsFocal adhesionsLIM domainsActin cytoskeletonFluorescence resonance energy transferFA localizationActin-rich stress fibersC-terminal LIM domainsLIM domain regionTandem LIM domainsTwo-hybrid screenDomain-containing adaptor proteinFocal adhesion localizationIntegrin-binding proteinsIntegrin adhesion receptorsPulldown assaysAdaptor proteinMigfilinFA formationKindlinRecruitment dynamicsStress fibersKindlin-2Integrin activationIntracellular proteinsAdhesion receptors
2011
The E3 ubiquitin ligase specificity subunit ASB2α targets filamins for proteasomal degradation by interacting with the filamin actin-binding domain
Razinia Z, Baldassarre M, Bouaouina M, Lamsoul I, Lutz PG, Calderwood DA. The E3 ubiquitin ligase specificity subunit ASB2α targets filamins for proteasomal degradation by interacting with the filamin actin-binding domain. Journal Of Cell Science 2011, 124: 2631-2641. PMID: 21750192, PMCID: PMC3138704, DOI: 10.1242/jcs.084343.Peer-Reviewed Original ResearchConceptsFilamin degradationProteasomal degradationCell differentiationDomain of filaminActin-rich structuresUbiquitin-proteasome pathwayExtracellular matrix connectionsActin cytoskeletonTransmembrane proteinSubcellular localizationMolecular basisSignaling cascadesASB2αActin filamentsFilaminAcute degradationBiochemical assaysMyeloid leukemia cellsImportant familyActinEarly eventsProteinLeukemia cellsImportant mechanismDifferentiation