Neural Cell News Volume 15.08 | Mar 3 2021

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    2021-03-03 | NCN 15.08


    Neural Cell News by STEMCELL Technologies
    Vol. 15.08 – 3 March, 2021
    TOP STORY

    Declining Lamin B1 Expression Mediates Age-Dependent Decreases of Hippocampal Stem Cell Activity

    Researchers showed that the nuclear lamina protein lamin B1 was downregulated with age in mouse hippocampal neural stem cells, whereas protein levels of SUN-domain containing protein 1, previously implicated in Hutchinson-Gilford progeria syndrome, increased.
    [Cell Stem Cell]

    AbstractGraphical Abstract

    Explore scientific events this March with the Science Events Calendar.
    PUBLICATIONSRanked by the impact factor of the journal

    Single Molecule In Situ Hybridization Reveals Distinct Localizations of Schizophrenia Risk-Related Transcripts SNX19 and AS3MT in Human Brain

    Analyses revealed that both pan-Sorting nexin-19 (SNX19) and pan-Arsenic methyltransferase (AS3MT) were more highly expressed in neurons than non-neurons in layers II/III and VI of the dorsolateral prefrontal cortex.
    [Molecular Psychiatry]

    Abstract

    Loss of NPC1 Enhances Phagocytic Uptake and Impairs Lipid Trafficking in Microglia

    Loss of NPC1 triggered enhanced phagocytic uptake and impaired myelin turnover in microglia that precede neuronal death.
    [Nature Communications]

    Full ArticlePress Release

    Exon Junction Complex Dependent mRNA Localization Is Linked to Centrosome Organization during Ciliogenesis

    The authors report that exon junction complexes accumulated at basal bodies of mouse neural stem cells or retinal pigment epithelial cells and declined when these cells differentiated or resumed growth.
    [Nature Communications]

    Full Article

    Bardet-Biedl Syndrome Proteins Regulate Intracellular Signaling and Neuronal Function in Patient-Specific iPSC-Derived Neurons

    Researchers developed a cellular model of Bardet-Biedl Syndrome using induced pluripotent stem cell (iPSCs)-derived hypothalamic arcuate-like neurons.
    [Journal of Clinical Investigation]

    AbstractFull ArticleGraphical Abstract

    Activation of Endogenous Retroviruses during Brain Development Causes an Inflammatory Response

    Using CRISPR/Cas9‐based gene disruption of the epigenetic co‐repressor protein Trim28, scientists found a dynamic H3K9me3‐dependent regulation of endogenous retroviruses in proliferating neural progenitor cells, but not in adult neurons.
    [EMBO Journal]

    Full ArticleGraphical Abstract

    Cannabidiol Inhibits Human Glioma by Induction of Lethal Mitophagy through Activating TRPV4

    Researchers investigated the molecular mechanisms underlying the antitumor effect of cannabidiol in preclinical models of human glioma.
    [Autophagy]

    Abstract

    Neuronal Autophagy Controls the Axonal Endoplasmic Reticulum to Regulate Neurotransmission in Healthy Neurons

    Investigators showed that loss of neuronal autophagy facilitated presynaptic neurotransmission by controlling the axonal endoplasmic reticulum and, thereby, axonal and synaptic calcium homeostasis.
    [Autophagy]

    Abstract

    Progenitor Cell Diversity in the Developing Mouse Neocortex

    To determine whether temporal gene expression in neural progenitors correlates with neuron type specification, the authors performed a single-cell RNA sequencing analysis of the developing mouse neocortex.
    [Proceedings of the National Academy of Sciences of the United States of America]

    Abstract

    Optic Nerve Regeneration Screen Identifies Multiple Genes Restricting Adult Neural Repair

    Suppression of 40 genes using viral-driven short hairpin RNAs promoted retinal ganglion cell axon regeneration after optic nerve crush, and most were validated by separate CRISPR-Cas9 editing experiments.
    [Cell Reports]

    Full ArticleGraphical Abstract

    Transcriptional Networks Identify Synaptotagmin-Like 3 as a Regulator of Cortical Neuronal Migration during Early Neurodevelopment

    Synaptotagmin-like 3-knockout caused an abnormal distribution of deep-layer neurons in brain organoids and reduced presynaptic neurotransmitter release in human embryonic stem cell-derived neurons.
    [Cell Reports]

    Full ArticleGraphical Abstract

    A Novel Combination Therapy Targeting Ubiquitin-Specific Protease 5 in MYCN-Driven Neuroblastoma

    Effects of drug combinations on cell viability, proliferation, apoptosis, and colony forming were assessed in a panel of neuroblastoma cell lines.
    [Oncogene]

    Full Article

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    REVIEWS

    Neuromodulation by the Immune System: A Focus on Cytokines

    Scientists describe how the immune system relays information to the nervous system and how cytokine signaling occurs in neurons.
    [Nature Reviews Immunology]

    Abstract

    Formation and Integration of New Neurons in the Adult Hippocampus

    The authors review current knowledge of how levels of neurogenesis are regulated, discuss findings regarding survival and maturation of adult-born cells and describe how newborn neurons affect brain function.
    [Nature Reviews Neuroscience]

    Abstract

    Microglia in Cancer Therapy–Related Cognitive Impairment

    Investigators explore reactive microglial dysregulation of neural circuit structure and function following cancer therapy.
    [Trends in Neurosciences]

    Abstract

    INDUSTRY AND POLICY NEWS

    Orbus Therapeutics Announces Positive Outcome of Pre-Planned Interim Futility Analysis for Phase III Eflornithine STELLAR Study

    Orbus Therapeutics, Inc. announced a positive outcome of the pre-planned interim analysis for futility in its Phase III STELLAR clinical study of eflornithine in patients with recurrent anaplastic astrocytoma.
    [Orbus Therapeutics, Inc.]

    Press Release

    BioXcel Therapeutics Provides Update on its BXCL501 Program for the Acute Treatment of Dementia Related Agitation

    BioXcel Therapeutics, Inc. announced an update to its BXCL501 dementia program, including clinical updates and the scheduling of its end of Phase II meeting with the FDA.
    [BioXcel Therapeutics, Inc.]

    Press Release

    FEATURED EVENT

    Cell Symposia: 20 Years of the Human Genome – From Sequence to Substance

    April 11 – 13, 2021
    San Diego, California, United States

    > See All Events

    JOB OPPORTUNITIES

    Postdoctoral Research Associate – Sensory Neuroscience

    University of Maryland – College Park, Maryland, United States

    Assistant Professor – Cognitive Neuroscience

    Medical University of Vienna – Vienna, Austria

    Senior Scientist – Assay Development

    CyberCoders – San Diego, California, United States

    Postdoctoral Fellow – Neuroscience

    State University of New York College at Buffalo – Buffalo, New York, United States

    Scientist Positions – Neurodegenerative Disorders

    Verge Genomics – South San Francisco, California, United States

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