Neural Cell News Volume 14.33 | 2 Sept 2020

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    NCN 14.33 | 2 Sept 2020


    Neural Cell News by STEMCELL Technologies
    Vol. 14.33 – 2 September, 2020
    TOP STORY

    The Innate Immunity Protein IFITM3 Modulates γ-Secretase in Alzheimer’s Disease

    Investigators identified interferon-induced transmembrane protein 3 (IFITM3) as a γ-secretase modulatory protein, and established a mechanism by which inflammation affected the generation of amyloid-β.
    [Nature]

    Full Article

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    PUBLICATIONSRanked by the impact factor of the journal

    Neuropeptides
    Modulate Local Astrocytes to Regulate Adult Hippocampal Neural Stem Cells

    Researchers report the role of endogenous neuropeptide cholecystokinin (CCK), released from dentate CCK interneurons, in regulating neurogenic niche cells and neural stem cells.
    [Neuron]

    AbstractGraphical Abstract

    Transcriptional
    Regulatory Networks of Tumor-Associated Macrophages That Drive Malignancy in Mesenchymal Glioblastoma

    Macrophage receptor with collagenous structurehigh TAMs induced a phenotypic shift towards mesenchymal cellular state of glioma stem cells, promoting both invasive and proliferative activities, as well as therapeutic resistance to irradiation.
    [Genome Biology]

    Full Article

    RNA-Binding Proteins Musashi and Tau Soluble Aggregates Initiate Nuclear Dysfunction

    Researchers investigated the expression and cellular localization of Musashi (MSI)1 and MSI2 in the brain tissues of Alzheimer’s disease, amyotrophic lateral sclerosis and frontotemporal dementia.
    [Nature Communications]

    Full Article

    ABHD4-Dependent Developmental Anoikis Safeguards the Embryonic Brain

    The authors report that developmental anoikis distinguished the pathological detachment of progenitor cells from the normal delamination of daughter neuroblasts in the developing mouse neocortex.
    [Nature Communications]

    Full Article

    Primate-Restricted
    KRAB Zinc Finger Proteins and Target Retrotransposons Control Gene Expression in Human Neurons

    Expressed in specific regions of the human developing and adult brain, ZNF417/587 kept controlling transposable element-embedded regulatory sequences in embryonic stem cells-derived neurons and brain organoids.
    [Science Advances]

    Full ArticlePress Release

    SARS-CoV-2 Targets Neurons of 3D Human Brain Organoids

    Scientists showed that a Düsseldorf isolate of SARS‐CoV‐2 entered 3D human brain organoids within two days of exposure. They identified that SARS‐CoV‐2 preferably targeted neurons of brain organoids.
    [EMBO Journal]

    Abstract

    Age-Related
    Loss of Neural Stem Cell O-GlcNAc Promotes a Glial Fate Switch through STAT3 Activation

    Researchers report that age-related loss of the posttranslational modification, O-linked β-N-acetylglucosamine, in neural stem cells promoted a glial fate switch.
    [Proceedings of the National Academy of Sciences of the United States of America]

    Full Article

    Isocitrate
    Dehydrogenase 1 Mutation Enhances 24(S)-Hydroxycholesterol Production and Alters Cholesterol Homeostasis in Glioma

    In isocitrate dehydrogenase 1-mutant glioma cells, the elevated 24(S)-hydroxycholesterol activated liver X receptors, which consequently accelerated the low-density lipoprotein receptor (LDLR) degradation by upregulating the inducible degrader of the LDLR.
    [Oncogene]

    Abstract

    Metabolic Alterations in Parkinson’s Disease Astrocytes

    The authors reveal an important role for astrocytes in Parkinson’s disease pathology and highlight the potential of iPSC-derived cells in disease modeling and drug discovery.
    [Scientific Reports]

    Full Article

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    REVIEWS

    Making Sense of Astrocytic Calcium Signals – from Acquisition to Interpretation

    Researchers describe experimental preparations and methods for recording and studying Ca2+ activity in astrocytes, focusing on the analysis of Ca2+ signalling events in single astrocytes and in astrocytic networks.
    [Nature Reviews Neuroscience]

    Abstract

    Delta-Secretase
    Cleavage of Tau Mediates Its Pathology and Propagation in Alzheimer’s Disease

    Scientists summarize the current understanding of the crucial role of δ-secretase in driving and spreading Alzheimer’s disease (AD) pathologies by cleaving multiple critical players, including APP and Tau, supporting that blockade of δ-secretase may provide an innovative disease-modifying therapeutic strategy for treating AD.
    [Experimental and Molecular Medicine]

    Full Article

    Epigenetic Pathways and Plasticity in Brain Tumors

    The authors summarize some of the epigenetic pathways that have been shown to be active in three different primary brain tumors, glioblastoma, medulloblastoma, and diffuse intrinsic pontine glioma.
    [Neurobiology of Disease]

    Full Article

    INDUSTRY AND POLICY NEWS

    Enigma
    Biomedical Group Signs Agreement to License Novel Neuro Imaging Biomarkers from Janssen

    Enigma Biomedical Group announced execution of a Master Development, License and Option Agreement and two Project Agreements to evaluate novel neuroimaging biomarkers from Janssen Pharmaceutica N.V.
    [Enigma Biomedical Group (BusinessWire, Inc.)]

    Press Release

    FEATURED EVENT

    Building
    Brain Organoids and Assembloids

    September 24 2020
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    JOB OPPORTUNITIES

    Postdoctoral Research Fellow – Brain Tumor Dormancy/Metastasis

    Fred Hutchinson Cancer Research Center – Seattle, Washington, United States

    Research Fellow – Neural Cell Therapy

    Nanyang Technological University – Singapore, Singapore


    Postdoctoral Research Fellow – Molecular Neuroscience

    Fred Hutchinson Cancer Research Center – Seattle, Washington, United States


    Project Officer – Spinal Cord Injury and Neural Tissue Engineering

    Nanyang Technological University – Singapore, Singapore

    Postdoctoral Researcher – Neurobiology and Neurodegeneration Research

    Klinikum rechts der Isar of the Technische Universität München – Munich, Germany

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