36 results found
    1. Cell Biology
    2. Immunology and Inflammation

    Wiskott Aldrich syndrome protein regulates non-selective autophagy and mitochondrial homeostasis in human myeloid cells

    Elizabeth Rivers, Rajeev Rai ... Adrian J Thrasher
    WASp is an immunometabolic regulator of human myeloid cells and regulates autophagy and mitochondrial homeostasis.
    1. Neuroscience

    Alpha protocadherins and Pyk2 kinase regulate cortical neuron migration and cytoskeletal dynamics via Rac1 GTPase and WAVE complex in mice

    Li Fan, Yichao Lu ... Qiang Wu
    A general cytoplasmic signaling mechanism for the novel functions of diverse alpha protocadherins in cortical neuron migration and actin cytoskeletal dynamics as well as dendrite morphogenesis in the brain.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Three-color single molecule imaging shows WASP detachment from Arp2/3 complex triggers actin filament branch formation

    Benjamin A Smith, Shae B Padrick ... Jeff Gelles
    New insights into the mechanism responsible for the nucleation of branches on networks of actin filaments shed light on a process that is essential for eukaryotic cell motility and endocytosis.
    1. Cell Biology
    2. Neuroscience

    Genetic disruption of WASHC4 drives endo-lysosomal dysfunction and cognitive-movement impairments in mice and humans

    Jamie L Courtland, Tyler WA Bradshaw ... Scott H Soderling
    Cellular etiology of a human WASH complex mutation in mice reveals its specific roles in neuronal organelle trafficking and a surprising role in motor impairments.
    1. Immunology and Inflammation

    Tuning of in vivo cognate B-T cell interactions by Intersectin 2 is required for effective anti-viral B cell immunity

    Marianne Burbage, Francesca Gasparrini ... Facundo D Batista
    Intersectin2 deficiency is associated with impaired humoral responses to viral infection and B-cell-intrisic defects in germinal centre formation, resulting from the reduced ability of intersectin2-KO B cells to establish cognate interactions with helper T cells.
    1. Cell Biology
    2. Immunology and Inflammation

    Arp2/3 complex-driven spatial patterning of the BCR enhances immune synapse formation, BCR signaling and B cell activation

    Madison Bolger-Munro, Kate Choi ... Michael R Gold
    Arp2/3 complex-mediated actin polymerization shapes how B lymphocytes probe the surface of antigen-presenting cells, promotes coalescence of B cell receptor (BCR) microclusters, amplifies BCR signaling, and enhances B cell activation.
    1. Cell Biology
    2. Developmental Biology

    miR-142 orchestrates a network of actin cytoskeleton regulators during megakaryopoiesis

    Elik Chapnik, Natalia Rivkin ... Eran Hornstein
    miR-142 is instrumental for actin homeostasis, and its loss disrupts the cytoskeleton organization and thrombopoiesis of megakaryocytes.
    1. Medicine

    Miniaturized 3D bone marrow tissue model to assess response to Thrombopoietin-receptor agonists in patients

    Christian A Di Buduo, Pierre-Alexandre Laurent ... Alessandra Balduini
    A 3D bone marrow niche that reproduces megakaryocyte differentiation and ex vivo platelet production from hematopoietic progenitors and iPSCs of thrombocytopenic patients predicts individual response to Eltrombopag accurately.
    1. Developmental Biology
    2. Neuroscience

    Sticks and Stones, a conserved cell surface ligand for the Type IIa RPTP Lar, regulates neural circuit wiring in Drosophila

    Namrata Bali, Hyung-Kook (Peter) Lee, Kai Zinn
    The immunoglobulin superfamily cell surface protein Sticks and Stones is a binding partner for the Lar Drosophila receptor tyrosine phosphatase that mediates Lar's developmental functions at the larval neuromuscular junction, mushroom body, and adult optic lobe.
    1. Biochemistry and Chemical Biology

    A distributed residue network permits conformational binding specificity in a conserved family of actin remodelers

    Theresa Hwang, Sara S Parker ... Amy E Keating
    A peptide from PCARE achieves >100-fold binding specificity for the EVH1 domain of ENAH, a protein important for metastasis, using a conformational shift mechanism unavailable to ENAH's closely related paralogs VASP and EVL.

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