Organoid News Volume 3.36 | Sep 15 2022

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    2022-09-15 | ON 3.35


    Organoid News by STEMCELL Technologies
    Vol. 3.35 – 15 September, 2022
    TOP STORY

    Human TKTL1 Implies Greater Neurogenesis in Frontal Neocortex of Modern Humans than Neanderthals

    Knockout in genome-edited cerebral organoids, scientists found that the modern human variant, human Transketolase-like 1 (TKTL1), but not the Neanderthal variant, increases the abundance of basal radial glia but not that of intermediate progenitors
    [Science]

    AbstractGraphical AbstractPress Release
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    PUBLICATIONSRanked by the impact factor of the journal

    Human-Specific ARHGAP11B Ensures Human-Like Basal Progenitor Levels in Hominid Cerebral Organoids

    ARHGAP11B expression in chimpanzee cerebral organoids doubled basal progenitor levels, the class of cortical progenitors with a key role in neocortex expansion.
    [EMBO Reports]

    Full Article

    Rapid and Robust Directed Differentiation of Mouse Epiblast Stem Cells into Definitive Endoderm and Forebrain Organoids

    The authors examined the potential of mouse epiblast stem cells cultured in media containing Wnt pathway inhibitors as a starting point for directed differentiation.
    [Development]

    Abstract

    Humanized Cerebral Organoids-Based Ischemic Stroke Model for Discovering of Potential Anti-Stroke Agents

    Investigators compared the cell composition of cerebral organoids (COs) at different culture time and explored the cell types, cell ratios, and volume size of COs at 85 days.
    [Acta Pharmacologica Sinica]

    Abstract

    The Function of FUS in Neurodevelopment Revealed by the Brain and Spinal Cord Organoids

    Scientists reported a pivotal role of fused in sarcoma (FUS) in regulating the human cortical brain and spinal cord development via the human iPSCs-derived organoids.
    [Molecular and Cellular Neuroscience]

    AbstractGraphical Abstract

    An Experimental Model for Ovarian Cancer: Propagation of Ovarian Cancer Initiating Cells and Generation of Ovarian Cancer Organoids

    Tumor tissues were collected, and OCT4, SOX2, and NANOG expressions were assessed by immunohistochemistry staining to investigate the association of stemness markers with overall survival.
    [BMC Cancer]

    Full Article

    Effects of Stem Cell Secretome on Opioid Receptors and Neuroplasticity in Cerebral Organoids

    By using cerebral organoids, a self-organized, functional and multicellular 3D structure that resemble the brain, scientists were able to identify μ, δ, and κ opioid receptors at different stages of maturation.
    [Stem Cells and Development]

    Abstract

    Investigation of PTC124-Mediated Translational Readthrough in a Retinal Organoid Model of AIPL1-Associated Leber Congenital Amaurosis

    The authors generated retinal organoids using iPSCs from renal epithelial cells obtained from four children with AIPL1 nonsense mutations.
    [Cell Reports Methods]

    Full ArticleGraphical Abstract

    A Next-Generation iPSC-Derived Forebrain Organoid Model of Tauopathy with Tau Fibrils by AAV-Mediated Gene Transfer

    Researchers developed a technology to make forebrain organoids from feeder-free induced PSCs by regulating a FGF2 concentration.
    [Cell Reports Methods]

    Full ArticlePress Release

    An ISSCR 2022 Innovation Showcase Webinar: Advances in GI Organoid Applications: Drug Discovery and Immunotherapy, presented by Dr. Ryan Conder. Click to Watch Now.
    REVIEWS

    Intestinal Epithelial Organoids: Regeneration and Maintenance of the Intestinal Epithelium

    Scientists provide an overview of the current understanding of intestinal epithelial self-renewal during homeostasis and regeneration, and provide a perspective for future organoid medicine.
    [Current Opinion in Genetics & Development]

    AbstractGraphical Abstract
    INDUSTRY AND POLICY NEWS

    Bloomberg School Researchers Awarded $11.7 Million Five-Year NIH Grant to Build and Lead Autism Center of Excellence Network

    Researchers at the Johns Hopkins Bloomberg School of Public Health have been awarded a $11.7 million, five-year Autism Center of Excellence grant from the National Institutes of Health.
    [Johns Hopkins]

    Press Release
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