10 results found
    1. Cell Biology
    2. Neuroscience

    Endosomal sorting protein SNX4 limits synaptic vesicle docking and release

    Josse Poppinga, Nolan J Barrett ... Jan RT van Weering
    SNX4 influences synaptic vesicle recruitment at the active zone, linking endosomal sorting to docked vesicle density and modulating neurotransmission efficiency during sustained activity.
    1. Plant Biology

    Plant Trans-Golgi Network/Early Endosome pH regulation requires Cation Chloride Cotransporter (CCC1)

    Daniel W McKay, Heather E McFarlane ... Stefanie Wege
    Cation chloride cotransporter CCC1 has a central function in plant cells and is the missing ion efflux component of the transport circuit necessary to regulate pH in the lumen of the trans-Golgi-network/early endosome, the major cargo hub in plant cells.
    1. Cancer Biology
    2. Cell Biology

    A novel mitochondrial Kv1.3–caveolin axis controls cell survival and apoptosis

    Jesusa Capera, Mireia Pérez-Verdaguer ... Antonio Felipe
    The association of caveolin with the potassium channel Kv1.3 fine-tunes cell survival and apoptosis.
    1. Neuroscience

    Synaptotagmin-7 places dense-core vesicles at the cell membrane to promote Munc13-2- and Ca2+-dependent priming

    Bassam Tawfik, Joana S Martins ... Jakob Balslev Sørensen
    Synaptotagmin-7 acts synergistically with synaptotagmin-1 by placing vesicles close to the plasma membrane within reach of the SNARE/Munc13-complex, supporting their priming and setting the stage for fast and slow fusion.
    1. Neuroscience

    Correlating STED and synchrotron XRF nano-imaging unveils cosegregation of metals and cytoskeleton proteins in dendrites

    Florelle Domart, Peter Cloetens ... Richard Ortega
    The development of high-resolution correlative imaging of metals and proteins reveals the interaction of copper and zinc with the synaptic architecture of neurons.
    1. Neuroscience

    Ultrastructural comparison of dendritic spine morphology preserved with cryo and chemical fixation

    Hiromi Tamada, Jerome Blanc ... Graham W Knott
    Cryo preservation of brain tissue reveals dendritic spines with thinner necks compared to those prepared with chemical fixation.
    1. Neuroscience

    RIM-BP2 primes synaptic vesicles via recruitment of Munc13-1 at hippocampal mossy fiber synapses

    Marisa M Brockmann, Marta Maglione ... Dietmar Schmitz
    The active zone scaffold protein RIM-BP2 performs distinct functions in vesicle release at two hippocampal synapses, providing insights on how synapses express diversity in release properties.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    Membrane bridging by Munc13-1 is crucial for neurotransmitter release

    Bradley Quade, Marcial Camacho ... Josep Rizo
    Cryo-electron tomography, reconstitution, and electrophysiological data show that a fundamental function of Munc13-1 is to bridge synaptic vesicles to the presynaptic plasma membrane.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    High-quality ultrastructural preservation using cryofixation for 3D electron microscopy of genetically labeled tissues

    Tin Ki Tsang, Eric A Bushong ... Mark H Ellisman
    A broadly applicable method that faithfully preserves genetically labeled cellular structures for 3D electron microscopy (EM) and correlated light and electron microscopy (CLEM).
    1. Neuroscience

    Identification of a Munc13-sensitive step in chromaffin cell large dense-core vesicle exocytosis

    Kwun Nok M Man, Cordelia Imig ... Sonja M Wojcik
    Munc13 proteins are key determinants of large dense-core vesicle (LDCV)-dependent catecholamine release in chromaffin cells.

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