Neural Cell News Volume 18.07 | Feb 28 2023

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    2024-02-28 | NCN 18.07


    Neural Cell News by STEMCELL Technologies
    Vol. 18.07 – 28 February, 2024
    TOP STORY

    Sustained Antidepressant Effects of Ketamine Metabolite Involve GABAergic Inhibition-Mediated Molecular Dynamics in aPVT Glutamatergic Neurons

    Researchers demonstrated that the sustained antidepressant-like behavioral effects of (2S,6S)-hydroxynorketamine in repeatedly stressed animal models involved neurobiological changes in the anterior paraventricular nucleus of the thalamus.
    [Neuron]

    Abstract
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    HuM195 and Its Single-Chain Variable Fragment Increase Aβ Phagocytosis in Microglia via Elimination of CD33 Inhibitory Signaling

    Scientists investigated the mechanism of anti-CD33 antibody HuM195 and its single-chain variable fragment and examined their therapeutic potential.
    [Molecular Psychiatry]

    Abstract

    The lncRNA Snhg11, a New Candidate Contributing to Neurogenesis, Plasticity, and Memory Deficits in Down Syndrome

    Investigators showed that that trisomy manifested as a highly specific modification of the transcriptome within distinct cell types. They observed a significant shift in the transcriptomic profile of granule cells in the dentate gyrus associated with trisomy.
    [Molecular Psychiatry]

    Abstract

    Dissecting the Spatiotemporal Diversity of Adult Neural Stem Cells

    Scientists combined single-cell transcriptomics of dissected brain regions with massively parallel lineage tracing and in vivo RNA metabolic labeling to analyze the regulation of neural stem cells in space and time.
    [Molecular Systems Biology]

    Full ArticleGraphical Abstract

    ESCRT-I Protein UBAP1 Controls Ventricular Expansion and Cortical Neurogenesis via Modulating Adherens Junctions of Radial Glial Cells

    The authors showed that conditional disruption of ubiquitin-associated protein 1 (UBAP1), a component of endosomal sorting complex required for transport (ESCRT), caused severe brain dysplasia and prenatal ventriculomegaly.
    [Cell Reports]

    Full Article

    RFX4 Is an Intrinsic Factor for Neuronal Differentiation through Induction of Proneural Genes POU3F2 and NEUROD1

    Investigators utilized a combination of multi-omics data, to identify RFX4 as an upstream regulator of proneural genes. They further validated the role of RFX4 using an in vitro model of neuronal differentiation with RFX4 knock-in and a CRISPR-Cas9 knock-out system.
    [Cellular and Molecular Life Sciences]

    Full Article

    Comparing Tonic and Phasic Dendritic Calcium in Cholinergic Pedunculopontine Neurons and Dopaminergic Substantia Nigra Neurons

    Scientists used two-photon dendritic calcium imaging and whole-cell electrophysiology to evaluate the role of L-type calcium channels in tonic and phasic dendritic calcium signals in pedunculopontine nucleus and substantia nigra pars compacta neurons.
    [European Journal of Neuroscience]

    Full Article
    A Labroots 2021 Webinar: iPSCs As Models, Part 2: Modeling the Human Brain with Organoids, presented by Dr. Anjana Nityanandam, Director of the Human Stem Cell Lab core facility at St. Jude Children’s Research Hospital. Click to Watch Now.
    REVIEWS

    GFAP-Isoforms in the Nervous System: Understanding the Need for Diversity

    Glial fibrillary acidic protein (GFAP) (post-)transcriptional regulation is likely a mechanism by which radial glia, astrocytes, and glioma cells can modulate cellular function.
    [Current Opinion in Cell Biology]

    Full ArticleGraphical Abstract
    INDUSTRY AND POLICY NEWS

    Neuralink Brain Chip: Advance Sparks Safety and Secrecy Concerns

    The first person to receive a brain-monitoring device from Neuralink can control a computer cursor with their min. However, researchers say that this is not a major feat — and they are concerned about the secrecy around the device’s safety and performance.
    [Nature]

    Editorial
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    JOB OPPORTUNITIES

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    University of Southern California – Los Angeles, California, United States

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    University of Amsterdam – Amsterdam, Netherlands

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