Neural Cell News Volume 16.30 | Aug 3 2022

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    2022-08-03 | NCN 16.30


    Neural Cell News by STEMCELL Technologies
    Vol. 16.30 – 3 August, 2022
    TOP STORY

    Glioblastoma Hijacks Neuronal Mechanisms for Brain Invasion

    Scientists demonstrated that whole-brain colonization was fueled by glioblastoma cells that lacked connections with other tumor cells and astrocytes yet received synaptic input from neurons.
    [Cell]

    Full ArticleGraphical Abstract
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    PUBLICATIONSRanked by the impact factor of the journal

    EGFR Ligand Shifts the Role of EGFR from Oncogene to Tumor Suppressor in EGFR-Amplified Glioblastoma by Suppressing Invasion through BIN3 Upregulation

    Investigators demonstrated a new tumor-suppressive function of epidermal growth factor receptor (EGFR) in EGFR-amplified glioblastomas regulated by EGFR ligands.
    [Nature Cell Biology]

    Abstract

    SPTLC1 Variants Associated with ALS Produce Distinct Sphingolipid Signatures through Impaired Interaction with ORMDL Proteins

    Scientists showed that ORMDL binding to the holoenzyme complex was impaired in cells expressing pathogenic SPTLC1-ALS alleles, resulting in increased sphingolipid synthesis and a distinct lipid signature.
    [Journal of Clinical Investigation]

    AbstractFull Article

    SDC1-Dependent TGM2 Determines Radiosensitivity in Glioblastoma by Coordinating EPG5-Mediated Fusion of Autophagosomes with Lysosomes

    It was found that SDC1 and TGM2 proteins were overexpressed in radioresistant glioblastoma cells and tissues and they contributed to the poor prognosis of radiotherapy.
    [Autophagy]

    Full Article

    De Novo Mutations in KIF1A-Associated Neuronal Disorder (KAND) Dominant-Negatively Inhibit Motor Activity and Axonal Transport of Synaptic Vesicle Precursors

    Researchers developed in vitro assays to analyze the motility of heterodimeric motors composed of wild-type and mutant KIF1A.
    [Proceedings of the National Academy of Sciences of the United States of America]

    Abstract

    A Patient-Designed Tissue-Engineered Model of the Infiltrative Glioblastoma Microenvironment

    Scientists used patient-derived glioma stem cells and human glial cells to create a four-component 3D model of this environment informed by resected patient tumors.
    [npj Precision Oncology]

    Full ArticlePress Release

    Conducting Polymer-ECM Scaffolds for Human Neuronal Cell Differentiation

    Using the freeze-drying technique, porous 3D composite scaffolds consisting of poly (3,4-ethylene-dioxythiophene) doped with polystyrene sulfonate, containing extracellular matrix (ECM) components were engineered for hosting neuronal cells.
    [Advanced Healthcare Materials]

    Abstract

    Gonadal Sex Patterns p21-Induced Cellular Senescence in Mouse and Human Glioblastoma

    The authors showed that female cells were more sensitive to radiation, and that senescence represented a major component of the radiation therapeutic response in both sexes.
    [Communications Biology]

    Full Article

    Targeted Inhibition of Ubiquitin Signaling Reverses Metabolic Reprogramming and Suppresses Glioblastoma Growth

    Using an integrated approach that includes proteomics, transcriptomics and metabolic profiling, scientists identified praja2, a RING E3 ubiquitin ligase, as the key component of a signaling network that regulates glioblastoma cell growth and metabolism.
    [Communications Biology]

    Full Article

    CD95 Gene Deletion May Reduce Clonogenic Growth and Invasiveness of Human Glioblastoma Cells in a CD95 Ligand-Independent Manner

    Researchers characterized CD95 and CD95L expression in human glioma-initiating cells, a glioblastoma cell population with stem cell features, and investigated the consequences of CRISPR-Cas9-mediated CD95 or CD95L gene deletion.
    [Cell Death Discovery]

    Full Article

    Webinar: Advances in Human Brain Organoid Models
    REVIEWS

    The Role of Genetic Risk Factors of Alzheimer’s Disease in Synaptic Dysfunction

    Investigators discuss the functional roles of these genes in synaptogenesis and synaptic functions under physiological conditions, and how their functions are dysregulated in Alzheimer’s disease.
    [Seminars in Cell & Developmental Biology]

    Abstract
    INDUSTRY AND POLICY NEWS

    Brain & Behavior Research Foundation Honors Outstanding Psychiatric Researchers

    The Brain & Behavior Research Foundation announced the winners of its 2022 Klerman and Freedman Prizes, recognizing exceptional clinical and basic research in mental illness.
    [Brain & Behavior Research Foundation]

    Press Release
    FEATURED EVENT

    Neurotechnologies

    September 27 – 29, 2022
    Leuven, Belgium

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    JOB OPPORTUNITIES

    Medical Researcher – Molecular Neurobiology

    Karolinska Institutet – Solna, Sweden

    Master Thesis – Biohybrid Synapse on Flexible Substrates

    Jülich Research Centre – Jülich, Germany

    Postdoctoral Scientist – Systems Oncology Group

    CRUK Manchester Institute – Manchester, United Kingdom

    Postdoctoral Position – Cancer Biology and Immunotherapies

    Sanford Research – Sioux Falls, South Dakota, United States

    Postdoctoral Positions – Vascular Pathomechanisms

    University of Lausanne – Lausanne, Switzerland

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