Neural Cell News Volume 18.40 | Oct 16 2024

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    2024-10-16 | NCN 18.40


    Neural Cell News by STEMCELL Technologies
    Vol. 18.40 – 16 October, 2024
    TOP STORY

    Prediction of Brain Metastasis Development with DNA Methylation Signatures

    Researchers explored the utility and accuracy of noninvasive plasma biomarkers for early brain metastasis (BM) identification. They showed that plasma cell-free circulating tumor DNA methylomes could noninvasively differentiate BM from other main differential diagnoses via peripheral blood sampling.
    [Nature Medicine]

    Full ArticlePress Release
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    PUBLICATIONSListed by the impact factor of the journal

    Modeling Parkinson’s Disease Pathology in Human Dopaminergic Neurons by Sequential Exposure to α-Synuclein Fibrils and Proinflammatory Cytokines

    Scientists found that induced pluripotent stem cell-derived human dopaminergic neurons form lewy body-like inclusions after treatment with α-synuclein preformed fibrils but only when coupled to a model of immune challenge or when co-cultured with activated microglia-like cells.
    [Nature Neuroscience]

    AbstractPress Release

    Integrated Multimodal Cell Atlas of Alzheimer’s Disease

    The authors used multiomics, spatial genomics, and reference atlases from the BRAIN Initiative to study middle temporal gyrus cell types in 84 donors with varying Alzheimer’s disease pathologies.
    [Nature Neuroscience]

    Full ArticlePress Release

    Synaptic Neoteny of Human Cortical Neurons Requires Species-Specific Balancing of SRGAP2-SYNGAP1 Cross-Inhibition

    Researchers studied SLIT-ROBO Rho GTPase Activating Protein 2 (SRGAP2) B/C, two human-specific gene duplications of the ancestral synaptic gene SRGAP2A, in human cortical pyramidal neurons xenotransplanted in the mouse cortex, which led to strongly accelerated synaptic development.
    [Neuron]

    Full ArticleGraphical AbstractPress Release

    In Vivo Perturb-Seq of Cancer and Microenvironment Cells Dissects Oncologic Drivers and Radiotherapy Responses in Glioblastoma

    The authors developed a multiplex in vivo perturb-seq CRISPRi platform for single-cell genetic screens in cancer and tumor microenvironment cells that leveraged intracranial convection enhanced delivery of sgRNA libraries into mouse models of glioblastoma.
    [Genome Biology]

    Full Article

    Spatiotemporal Modeling Reveals High-Resolution Invasion States in Glioblastoma

    Investigators applied a novel computational workflow to a spatiotemporally profiled glioblastoma xenograft cohort, leveraging the ability to distinguish human tumor from mouse tumor microenvironment to overcome previous limitations in the analysis of diffuse invasion.
    [Genome Biology]

    Full Article

    Dysregulation of Protein SUMOylation Networks in Huntington’s Disease R6/2 Mouse Striatum

    To evaluate how modulation of SUMOylation might influence functional measures of neuronal activity in Huntington’s disease cells in vitro, scientists utilized primary neuronal cultures from R6/2 transgenic and non-transgenic mice.
    [Brain]

    Abstract

    Schizophrenia-Associated Changes in Neuronal Subpopulations in the Human Midbrain

    Researchers characterized the transcriptional diversity of distinct NEUN+ populations in the human ventral midbrain and then tested for schizophrenia-associated changes in neuronal subset proportions and gene activity changes within neuronal subsets.
    [Brain]

    Abstract

    Dual-Carbon Dots Composite: A Multifunctional Photo-Propelled Nanomotor against Alzheimer’s β-Amyloid

    Investigators fabricated sub-10nm multifunctional dual-carbon dots composites (ERCD) with photo-propelled nanomotor behavior. Near-infrared-activated ERCD-1 imaged Aβ plaques in vivo and prolonged nematode lifespan by six sdays at 2 µg mL-1.
    [Small]

    Abstract

    Tissue-Adaptive BSA Hydrogel with Dual Release of PTX and bFGF Promotes Spinal Cord Injury Repair via Glial Scar Inhibition and Axon Regeneration

    The authors fabricated a novel elastic bovine serum albumin hydrogel, which was used to deliver paclitaxel together with basic fibroblast growth factor to inhibit glial scar formation as well as promote axon regeneration and motor function for spinal cord injury repair.
    [Small]

    Abstract

    Blood Biomarkers of Neuronal Injury and Astrocytic Reactivity in Electroconvulsive Therapy

    Scientists examined the effects of electroconvulsive therapy on blood-based biomarkers of neuronal injury and astrocytic reactivity.
    [Molecular Psychiatry]

    Full Article
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    REVIEWS

    Cell Therapy for Neurological Disorders

    With all the remarkable new approaches to treat neurological disorders, the authors take a critical look at the state of current clinical trials and how challenges may be overcome with the evolving technology and innovation occurring in the stem cell field.
    [Nature Medicine]

    Abstract

    Consequences of Trisomy 21 for Brain Development in Down Syndrome

    Recent technical advances, such as single-cell omics and the development of induced pluripotent stem cell models of Down syndrome (DS), now enable in-depth analyses of the biochemical and molecular drivers of altered brain development in DS.
    [Nature Reviews Neuroscience]

    Abstract

    Glia in Tissue Engineering: From Biomaterial Tools to Transplantation

    Scientists explore the therapeutic potential of glia in transplantation with an emphasis on novel bioengineered tools for enhancement of their reparative properties.
    [Acta Biomaterialia]

    AbstractGraphical Abstract
    INDUSTRY AND POLICY NEWS

    Dr. Vidhya Rangaraju Wins Prestigious NIH Director’s New Innovator Award for Research on Brain Energy Mechanisms

    Dr. Vidhya Rangaraju, research group leader at the Max Planck Florida Institute for Neuroscience (MPFI) has been awarded the prestigious NIH Director’s New Innovator Award for her research on how the brain generates and regulates energy.
    [MPFI]

    Press Release

    Allyx Therapeutics Awarded $3.3 Million NIH Grant to Support Further Clinical Studies of Lead Candidate ALX-001

    Allyx Therapeutics announced that it has been awarded a $3.3 million grant from the National Institutes of Health. This funding will support further investigation of Allyx’s lead clinical asset, ALX-001, a highly-selective oral therapy in development for the treatment of Alzheimer’s disease and Parkinson’s disease.
    [Allyx Therapeutics (GlobeNewswire)]

    Press Release

    Emory Researchers Receive Grant to Explore Early Treatment Options for Alzheimer’s Disease

    Emory University researchers from Dr. Thota Ganesh’s lab are looking at inflammation in the brain – also known as neuroinflammation – and how it contributes to cognitive decline.
    [Emory University]

    Press Release
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    JOB OPPORTUNITIES

    Scientist – Epigenetic Basis of Pediatric Brain Disease

    St. Jude Children’s Research Hospital – Memphis, Tennessee, United States

    Postdoctoral Fellow – Neurotechnologies for Memory & Aging

    University of Michigan – Ann Arbor, Michigan, United States

    Cleaner – Tissue Culture

    Wellcome Trust – Cambridge, England, United Kingdom

    Assistant Professor – Cellular and Molecular Neuroscience

    Colorado State University – Fort Collins, Colorado, United States

    Lead Researcher – Tumor Cell Biology

    St. Jude Children’s Research Hospital – Memphis, Tennessee, United States

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