Search Results - "Gunning, Peter W."
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Tropomyosin - master regulator of actin filament function in the cytoskeleton
Published in Journal of cell science (15-08-2015)“…Tropomyosin (Tpm) isoforms are the master regulators of the functions of individual actin filaments in fungi and metazoans. Tpms are coiled-coil parallel…”
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The evolution of compositionally and functionally distinct actin filaments
Published in Journal of cell science (01-06-2015)“…The actin filament is astonishingly well conserved across a diverse set of eukaryotic species. It has essentially remained unchanged in the billion years that…”
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A Molecular Pathway for Myosin II Recruitment to Stress Fibers
Published in Current biology (12-04-2011)“…Cell migration and morphogenesis are driven by both protrusive and contractile actin filament structures. The assembly mechanisms of lamellipodial and…”
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Tropomyosin Isoforms Specify Functionally Distinct Actin Filament Populations In Vitro
Published in Current biology (06-03-2017)“…Actin filaments assemble into a variety of networks to provide force for diverse cellular processes [1]. Tropomyosins are coiled-coil dimers that form…”
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A systematic nomenclature for mammalian tropomyosin isoforms
Published in Journal of muscle research and cell motility (01-04-2015)“…Tropomyosin, a ubiquitous protein in animals and fungi, is associated with the actin cytoskeleton and is involved with stabilising actin filaments and…”
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Tropomodulin3 is a novel Akt2 effector regulating insulin-stimulated GLUT4 exocytosis through cortical actin remodeling
Published in Nature communications (09-01-2015)“…Akt2 and its downstream effectors mediate insulin-stimulated GLUT4-storage vesicle (GSV) translocation and fusion with the plasma membrane (PM). Using mass…”
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Focal adhesions contain three specialized actin nanoscale layers
Published in Nature communications (21-03-2024)“…Focal adhesions (FAs) connect inner workings of cell to the extracellular matrix to control cell adhesion, migration and mechanosensing. Previous studies…”
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Highly efficient platelet generation in lung vasculature reproduced by microfluidics
Published in Nature communications (07-07-2023)“…Platelets, small hemostatic blood cells, are derived from megakaryocytes. Both bone marrow and lung are principal sites of thrombopoiesis although underlying…”
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Drug Targeting the Actin Cytoskeleton Potentiates the Cytotoxicity of Low Dose Vincristine by Abrogating Actin-Mediated Repair of Spindle Defects
Published in Molecular cancer research (01-07-2020)“…Antimicrotubule vinca alkaloids are widely used in the clinic but their toxicity is often dose limiting. Strategies that enhance their effectiveness at lower…”
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Cell elasticity is regulated by the tropomyosin isoform composition of the actin cytoskeleton
Published in PloS one (15-05-2015)“…The actin cytoskeleton is the primary polymer system within cells responsible for regulating cellular stiffness. While various actin binding proteins regulate…”
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Fundamental differences
Published in eLife (01-02-2018)“…The differences between β- and γ-actin are deeper than those between the amino acid sequences of these two proteins…”
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Loss of ACTN3 gene function alters mouse muscle metabolism and shows evidence of positive selection in humans
Published in Nature genetics (01-10-2007)“…More than a billion humans worldwide are predicted to be completely deficient in the fast skeletal muscle fiber protein α-actinin-3 owing to homozygosity for a…”
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Overexpression of Tropomyosin Isoform Tpm3.1 Does Not Alter Synaptic Function in Hippocampal Neurons
Published in International journal of molecular sciences (01-09-2021)“…Tropomyosin (Tpm) has been regarded as the master regulator of actin dynamics. Tpms regulate the binding of the various proteins involved in restructuring…”
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Tropomyosin isoforms: divining rods for actin cytoskeleton function
Published in Trends in cell biology (01-06-2005)“…Actin filament functional diversity is paralleled by variation in the composition of isoforms of tropomyosin in these filaments. Although the role of…”
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A robust method for particulate detection of a genetic tag for 3D electron microscopy
Published in eLife (27-04-2021)“…Genetic tags allow rapid localization of tagged proteins in cells and tissues. APEX, an ascorbate peroxidase, has proven to be one of the most versatile and…”
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Arp2/3 complex is essential for actin network treadmilling as well as for targeting of capping protein and cofilin
Published in Molecular biology of the cell (15-09-2013)“…Lamellipodia are sheet-like protrusions formed during migration or phagocytosis and comprise a network of actin filaments. Filament formation in this network…”
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Intravital FRAP Imaging using an E-cadherin-GFP Mouse Reveals Disease- and Drug-Dependent Dynamic Regulation of Cell-Cell Junctions in Live Tissue
Published in Cell reports (Cambridge) (05-01-2016)“…E-cadherin-mediated cell-cell junctions play a prominent role in maintaining the epithelial architecture. The disruption or deregulation of these adhesions in…”
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Spatial localisation of actin filaments across developmental stages of the malaria parasite
Published in PloS one (28-02-2012)“…Actin dynamics have been implicated in a variety of developmental processes during the malaria parasite lifecycle. Parasite motility, in particular, is thought…”
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Tropomyosin Tpm3.1 Is Required to Maintain the Structure and Function of the Axon Initial Segment
Published in iScience (22-05-2020)“…The axon initial segment (AIS) is the site of action potential initiation and serves as a cargo transport filter and diffusion barrier that helps maintain…”
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Recruitment Kinetics of Tropomyosin Tpm3.1 to Actin Filament Bundles in the Cytoskeleton Is Independent of Actin Filament Kinetics
Published in PloS one (15-12-2016)“…The actin cytoskeleton is a dynamic network of filaments that is involved in virtually every cellular process. Most actin filaments in metazoa exist as a…”
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