166 results found
    1. Neuroscience

    Huntingtin recruits KIF1A to transport synaptic vesicle precursors along the mouse axon to support synaptic transmission and motor skill learning

    Hélène Vitet, Julie Bruyère ... Frédéric Saudou
    Studies in mice and neurons reveal how modulation of the axonal transport of synaptic vesicles via huntingtin phosphorylation influences the number of vesicles accumulating at the synapse, subsequent glutamate release, and behavior in mice.
    1. Neuroscience

    APP and APLP2 interact with the synaptic release machinery and facilitate transmitter release at hippocampal synapses

    Tomas Fanutza, Dolores Del Prete ... Luciano D’Adamio
    A naturally occurring intracellular peptide, derived by processing the Alzheimer's protein APP, reduces synaptic transmission by acting as a dominant negative of APP.
    1. Neuroscience

    Imaging neuropeptide release at synapses with a genetically engineered reporter

    Keke Ding, Yifu Han ... David J Anderson
    A series of genetically-encoded fluorescent reporters that allow imaging of neuropeptide release in vivo, with sub-second temporal and nerve terminal-level spatial resolution are developed.
    1. Cell Biology
    2. Neuroscience

    Restraint of presynaptic protein levels by Wnd/DLK signaling mediates synaptic defects associated with the kinesin-3 motor Unc-104

    Jiaxing Li, Yao V Zhang ... Catherine A Collins
    Synaptic defects previously attributed to loss of kinesin function are found to be mediated by the Wnd/DLK axonal injury signaling pathway, which restrains the total levels of presynaptic proteins in response to their accumulation.
    1. Neuroscience

    Differential 3’ processing of specific transcripts expands regulatory and protein diversity across neuronal cell types

    Saša Jereb, Hun-Way Hwang ... Robert B Darnell
    Differential expression of 3'UTR isoforms expands regulatory and protein diversity in cerebellar Purkinje and granule cells and during granule cell development.
    1. Cell Biology
    2. Neuroscience

    Tadr is an axonal histidine transporter required for visual neurotransmission in Drosophila

    Yongchao Han, Lei Peng, Tao Wang
    TADR (torn and diminished rhabdomeres)-dependent histidine transporting is required for de novo synthesis of histamine and for maintaining synaptic transmission of photoreceptor neurons in Drosophila.
    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.
    1. Developmental Biology
    2. Neuroscience

    Developmental single-cell transcriptomics of hypothalamic POMC neurons reveal the genetic trajectories of multiple neuropeptidergic phenotypes

    Hui Yu, Marcelo Rubinstein, Malcolm J Low
    Single-cell transcriptomic analyses of hypothalamic POMC neurons performed at seven developmental ages revealed marked cellular heterogeneity and divergent developmental pathways into alternative neuronal phenotypes that lack POMC.
    1. Developmental Biology
    2. Neuroscience

    Robo2 regulates synaptic oxytocin content by affecting actin dynamics

    Savani Anbalagan, Janna Blechman ... Gil Levkowitz
    Real-time monitoring of oxytocin-loaded vesicles and synaptic actin dynamics in zebrafish reveal that Slit3-Robo2-Cdc42 signalling maintains steady-state levels of mature oxytocin neuropeptide readily primed to be secreted upon physiological demand.
    1. Developmental Biology
    2. Neuroscience

    Signalling through AMPA receptors on oligodendrocyte precursors promotes myelination by enhancing oligodendrocyte survival

    Eleni Kougioumtzidou, Takahiro Shimizu ... William D Richardson
    Electrically active axons in white matter stimulate their own myelination by releasing glutamate, which signals through AMPA-type glutamate receptors on nearby oligodendrocyte precursors and newly-differentiating oligodendrocytes, enhancing their survival and hence their ability to myelinate.

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