Neural Cell News Volume 17.48 | Dec 06 2023

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    2023-12-06 | NCN 17.48


    Neural Cell News by STEMCELL Technologies
    Vol. 17.48 – 6 December, 2023
    TOP STORY

    Cellular Development and Evolution of the Mammalian Cerebellum

    The authors generated single-nucleus RNA-sequencing data for ~400,000 cells to trace cerebellum development from early neurogenesis to adulthood in human, mouse, and the marsupial opossum.
    [Nature]

    AbstractPress Release
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    Temporal Morphogen Gradient-Driven Neural Induction Shapes Single Expanded Neuroepithelium Brain Organoids with Enhanced Cortical Identity

    Researchers showed that initiating neural induction in a temporal stepwise gradient guided the generation of brain organoids composed of a single, self-organized apical-out neuroepithelium.
    [Nature Communications]

    Full ArticlePress Release

    CerS6-Dependent Ceramide Synthesis in Hypothalamic Neurons Promotes ER/Mitochondrial Stress and Impairs Glucose Homeostasis in Obese Mice

    Scientists found increased expression of the C16:0 ceramide-producing ceramide synthase (CerS)6 in cultured hypothalamic neurons exposed to palmitate in vitro and in the hypothalamus of obese mice.
    [Nature Communications]

    Full Article

    Germline PTEN Genotype-Dependent Phenotypic Divergence during the Early Neural Developmental Process of Forebrain Organoids

    Investigators showed that the PTENG132D allele disrupted early neuroectoderm formation during the first several days of organoid generation, and results in deficient electrophysiology.
    [Molecular Psychiatry]

    Abstract

    HECW1 Induces NCOA4-Regulated Ferroptosis in Glioma through the Ubiquitination and Degradation of ZNF350

    The authors found that HECW1 decreased the survival rate of glioma cells and enhanced iron accumulation, lipid peroxidation, whereas ZNF350 showed the opposite effect.
    [Cell Death & Disease]

    Full Article

    Self-Assembled Nanoparticles of Natural Bioactive Molecules Enhance the Delivery and Efficacy of Paclitaxel in Glioblastoma

    Researchers developed a novel technique for creating self-assembled nanoparticles utilizing a range of natural bioactive molecules. These nanoparticles could encapsulate insoluble drugs and effectively cross the blood–brain barrier.
    [CNS Neuroscience & Therapeutics]

    Full Article

    Glial Cell Adhesion Molecule (GlialCAM) Determines Proliferative versus Invasive Cell States in Glioblastoma

    The authors reported using human tumor specimens and primary spheroids from male and female patients that GlialCAM, was differentially expressed in subpopulations of glioblastoma cells.
    [Journal Of Neuroscience]

    Abstract

    Amyloid Pathology Impairs Experience-Dependent Inhibitory Synaptic Plasticity

    Using multicolor two-photon microscopy, scientists tested how amyloid pathology altered the structural dynamics of excitatory and inhibitory synapses and their adaptation to altered visual experience in vivo in the visual cortex.
    [Journal Of Neuroscience]

    Abstract

    Functional Brain Region-Specific Neural Spheroids for Modeling Neurological Diseases and Therapeutics Screening

    Researchers described a method for generating functional neural spheroids by cell-aggregation of differentiated human iPSC-derived neurons and astrocytes at cell type compositions mimicking specific regions of the human brain.
    [Communications Biology]

    Full Article

    Ganglioside Micelles Affect Amyloid β Aggregation by Coassembly

    Investigators studied the coassembly of the ganglioside GM1 and the amyloid β (Aβ) peptides Aβ40 and 42 by means of microfluidic diffusional sizing, confocal microscopy, and cryogenic transmission electron microscopy.
    [ACS Chemical Neuroscience]

    Full ArticleGraphical Abstract

    Telomere Shortening Induces Aging-Associated Phenotypes in hiPSC-Derived Neurons and Astrocytes

    The authors explored the possibility of inducing aging-associated features in cell types of the central nervous system using hiPSC technology.
    [Biogerontology]

    Full Article
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    REVIEWS

    Targeting Synapse Function and Loss for Treatment of Neurodegenerative Diseases

    Investigators discuss recent advances in understanding the molecular and cellular pathways that impair synapses in neurodegenerative diseases, including the effects of protein aggregation and neuroinflammation.
    [Nature Reviews Drug Discovery]

    Abstract
    INDUSTRY AND POLICY NEWS

    NIH Puts Hold on $30 Million Trial of Potential Stroke Drug

    The NIH has paused the start of a major human trial of an experimental drug aimed at protecting the brain after a stroke and launched an investigation into recently aired concerns about the drug’s safety and whether lab studies supporting its promise contain manipulated images and data.
    [Science]

    Press Release
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