2014
The PAR complex controls the spatiotemporal dynamics of F-actin and the MTOC in directionally migrating leukocytes
Crespo CL, Vernieri C, Keller PJ, Garrè M, Bender JR, Wittbrodt J, Pardi R. The PAR complex controls the spatiotemporal dynamics of F-actin and the MTOC in directionally migrating leukocytes. Journal Of Cell Science 2014, 127: 4381-4395. PMID: 25179599, PMCID: PMC4197085, DOI: 10.1242/jcs.146217.Peer-Reviewed Original ResearchMeSH KeywordsActin CytoskeletonActinsAdaptor Proteins, Signal TransducingAnimalsAnimals, Genetically ModifiedCarrier ProteinsCell MovementCell PolarityCells, CulturedLeukocytesMicrotubule-Organizing CenterMultiprotein ComplexesMutationOryziasProtein Kinase CProtein TransportRho-Associated KinasesZebrafishZebrafish ProteinsConceptsAtypical protein kinase CMicrotubule organizing centerPAR-6Par complexPAR-3Protein kinase CRegulated interactionFish larvaeMyeloid cellsGenetic manipulationPolarizing cuesKinase activationCytoskeletal changesF-actinKinase COrganizing centerFunctional polarizationRho kinase activationThree-dimensional environmentTraction forceCellsSpatiotemporal dynamicsLeukocyte migrationMigrationComplexes
1997
Cytoskeletal rearrangement mediates human microvascular endothelial tight junction modulation by cytokines
Blum M, Toninelli E, Anderson J, Balda M, Zhou J, O'Donnell L, Pardi R, Bender J. Cytoskeletal rearrangement mediates human microvascular endothelial tight junction modulation by cytokines. American Journal Of Physiology 1997, 273: h286-h294. PMID: 9249502, DOI: 10.1152/ajpheart.1997.273.1.h286.Peer-Reviewed Original ResearchMeSH Keywords1-Methyl-3-isobutylxanthineActinsBucladesineCells, CulturedCytokinesCytoskeletonElectrophysiologyEndothelium, VascularHumansInfant, NewbornInterferon-gammaMaleMembrane PotentialsMembrane ProteinsMicrocirculationPhosphoproteinsSkinTight JunctionsTumor Necrosis Factor-alphaUmbilical VeinsZonula Occludens-1 ProteinConceptsTransmonolayer electrical resistanceSpecialized intercellular structuresTight junctionsF-actin cytoskeletonLarge vessel ECActin cytoskeletonEndothelial cell typesMicrovascular endothelial cellsCytoskeletal rearrangementsStriking fragmentationF-actinProtein distributionCytochalasin DCell typesIntercellular structuresBarrier regulationCytoskeletal alterationsConfocal microscopyMVEC monolayersZO-1Macromolecular fluxCentral roleEC permeabilityEndothelial cellsPrimary cultures
1996
Feedback modulation of ligand-engaged alpha L/beta 2 leukocyte integrin (LFA-1) by cyclic AMP-dependent protein kinase.
Rovere P, Inverardi L, Bender J, Pardi R. Feedback modulation of ligand-engaged alpha L/beta 2 leukocyte integrin (LFA-1) by cyclic AMP-dependent protein kinase. The Journal Of Immunology 1996, 156: 2273-9. PMID: 8690918, DOI: 10.4049/jimmunol.156.6.2273.Peer-Reviewed Original ResearchConceptsProtein kinase CAdhesion receptorsKinase CCyclic AMP-dependent protein kinaseAMP-dependent protein kinaseCytoskeletal anchoring proteinsIntegrin-dependent activationCAMP-dependent kinase activationIntracellular cAMP elevationCAMP elevationHeterologous cell linesLeukocyte integrinsAnchoring proteinsRegulated processProtein kinaseAdenylyl cyclase isoformsMolecular basisKinase activationIntercellular adhesionF-actinCell deadhesionHuman intercellular adhesion molecule-1LFA-1 receptorsDependent adhesionShort-term regulation
1992
Antigen-receptor complex stimulation triggers protein kinase C-dependent CD11a/CD18-cytoskeleton association in T lymphocytes.
Pardi R, Inverardi L, Rugarli C, Bender J. Antigen-receptor complex stimulation triggers protein kinase C-dependent CD11a/CD18-cytoskeleton association in T lymphocytes. Journal Of Cell Biology 1992, 116: 1211-1220. PMID: 1346786, PMCID: PMC2289356, DOI: 10.1083/jcb.116.5.1211.Peer-Reviewed Original ResearchMeSH KeywordsActinsAdultAntigens, CDAntigens, Differentiation, T-LymphocyteCD18 AntigensCD3 ComplexChild, PreschoolCytoskeletal ProteinsCytoskeletonHumansLymphocyte ActivationLymphocyte Function-Associated Antigen-1PhosphorylationProtein Kinase CReceptors, Antigen, T-CellSignal TransductionT-LymphocytesConceptsProtein kinase C inhibitor staurosporineProtein kinase CT cell receptor complexCell receptor complexC inhibitor staurosporineHigh avidity stateSignal transductionCytoskeletal rearrangementsActin polymerizationIntercellular adhesionIntracellular signalsF-actinMolecular eventsInhibitor staurosporineKinase CAvidity stateLFA-1Membrane fractionCD11a/CD18 complexTCR complexTCR crosslinkingPKC desensitizationComplex activationReceptor complexFluorescence microscopy