Neural Cell News Volume 18.10 | Mar 20 2024

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    2024-03-20 | NCN 18.10


    Neural Cell News by STEMCELL Technologies
    Vol. 18.10 – 20 March, 2024
    TOP STORY

    APOE4/4 Is Linked to Damaging Lipid Droplets in Alzheimer’s Disease Microglia

    Through single-nucleus RNA sequencing of brain tissue in Alzheimer’s disease, researchers have identified a microglial state defined by the expression of the lipid droplet-associated enzyme ACSL1 with ACSL1-positive microglia being most abundant in patients with Alzheimer’s disease having the APOE4/4 genotype.
    [Nature]

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    Mitochondrial Complex I Activity in Microglia Sustains Neuroinflammation

    Using a multiomics approach, the authors identified a molecular signature that sustained the activation of microglia through mitochondrial complex I activity driving reverse electron transport and the production of reactive oxygen species.
    [Nature]

    Full ArticlePress Release

    Contrasting Somatic Mutation Patterns in Aging Human Neurons and Oligodendrocytes

    Investigators performed whole-genome sequencing of 86 single oligodendrocytes, 20 mixed glia, and 56 single neurons from neurotypical individuals spanning 0.4–104 years of age and identified >92,000 somatic single-nucleotide variants and small insertions/deletions.
    [Cell]

    Full Article

    Neuronal STING Activation in Amyotrophic Lateral Sclerosis and Frontotemporal Dementia

    Researchers documented neuronal activation of the stimulator of interferon genes (STING) pathway in human postmortem cortical and spinal motor neurons from individuals affected by familial or sporadic amyotrophic lateral sclerosis.
    [Acta Neuropathologica]

    Full Article

    Microglial Over-Pruning of Synapses during Development in Autism-Associated SCN2A-Deficient Mice and Human Cerebral Organoids

    Scientists reported that Scn2a-deficient mice had impaired learning and memory, accompanied by reduced synaptic transmission and lower spine density in neurons of the hippocampus.
    [Molecular Psychiatry]

    Abstract

    SRF Transcriptionally Regulates the Oligodendrocyte Cytoskeleton during CNS Myelination

    Investigators showed that serum response factor (SRF) was required cell autonomously in oligodendrocytes for myelination during development.
    [Proceedings Of The National Academy Of Sciences Of The United States Of America]

    Abstract

    N-Cadherin Dynamically Regulates Pediatric Glioma Cell Migration in Complex Environments

    The authors found that intercellular homotypic N-cadherin interactions differentially regulated glioma migration according to the microenvironment, stimulating migration on cultured neurons or astrocytes but inhibiting invasion into reconstituted or astrocyte-deposited extracellular matrix.
    [Journal Of Cell Biology]

    Full Article
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    REVIEWS

    Updates on Mouse Models of Alzheimer’s Disease

    Scientists summarize the phenotypes of commonly used as well as newly developed mouse models in translational research laboratories including the presence or absence of key pathological features of Alzheimer’s disease.
    [Molecular Neurodegeneration]

    Full Article

    Neuropathogenesis-on-Chips for Neurodegenerative Diseases

    The authors explore the interconnected pathogenic features of different types of neurodegenerative disease (ND), discuss the general strategy to modeling NDs using a microfluidic chip, and introduce the organoid-on-a-chip as the next advanced relevant model.
    [Nature Communications]

    Full Article
    INDUSTRY AND POLICY NEWS

    $3.3M Investment in Basic Mental Health Research

    Three recipients, along with their dedicated research teams, received $1.1 million each to advance our understanding of mental health conditions at a fundamental level.
    [Brain Canada Foundation]

    Press Release
    FEATURED EVENT

    AACR Annual Meeting 2024

    April 7 – 10, 2024
    San Diego, California, United States

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    JOB OPPORTUNITIES

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    NYU Langone Health – New York City, New York, United States

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    The Lundquist Institute – West Carson, California, United States

    Faculty Positions – Neurobiology

    Westlake University – Zhejiang, China

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    VIB – Ghent, Belgium

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