Organoid News Volume 3.39 | Oct 6 2022

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    2022-10-06 | ON 3.39


    Organoid News by STEMCELL Technologies
    Vol. 3.39 – 6 October, 2022
    TOP STORY

    Inferring and Perturbing Cell Fate Regulomes in Human Brain Organoids

    Investigators developed Pando—a flexible framework that incorporates multi-omic data and predictions of transcription-factor-binding sites to infer a global gene regulatory network describing organoid development.
    [Nature]

    Full Article
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    PUBLICATIONSRanked by the impact factor of the journal

    The γδ IEL Effector API5 Masks Genetic Susceptibility to Paneth Cell Death

    The authors showed that the subset of intraepithelial lymphocytes that expressed γ and δ T cell receptor subunits promoted the viability of Paneth cells deficient in the Crohn’s disease susceptibility gene ATG16L1.
    [Nature]

    AbstractPress Release

    Proper Acquisition of Cell Class Identity in Organoids Allows Definition of Fate Specification Programs of the Human Cerebral Cortex

    Scientists present a comprehensive single-cell transcriptomic, epigenetic, and spatial atlas of human cortical organoid development, comprising over 610,000 cells, from generation of neural progenitors through production of differentiated neuronal and glial subtypes.
    [Cell]

    AbstractGraphical AbstractPress Release

    SARS-CoV-2 Promotes Microglial Synapse Elimination in Human Brain Organoids

    Researchers defined the microglial responses to SARS-CoV-2 infection by single-cell transcriptomic profiling and observed an upregulation of interferon-responsive genes as well as genes promoting migration and synapse engulfment.
    [Molecular Psychiatry]

    Full Article

    Interleukin-22 Regulates Neutrophil Recruitment in Ulcerative Colitis and Is Associated with Resistance to Ustekinumab Therapy

    The authors showed that IL-22 regulated pro-inflammatory pathways were involved in microbial recognition, cancer and immune cell chemotaxis— most prominently those involving CXCR2+ neutrophils.
    [Nature Communications]

    Full Article

    Modeling Human Telencephalic Development and Autism-Associated SHANK3 Deficiency Using Organoids Generated from Single Neural Rosettes

    Researchers produced human telencephalic organoids from stem cell-derived single neural rosettes and investigated telencephalic development under normal and pathological conditions.
    [Nature Communications]

    Full Article

    Helicobacter pylori Shows Tropism to Gastric Differentiated Pit Cells Dependent on Urea Chemotaxis

    Investigators reporedt that H. pylori preferentially attached to differentiated cells in the pit region of gastric units. Single-cell RNA-seq showed that organoid-derived monolayers recapitulate the pit region, while organoids capture the gland region of the gastric units.
    [Nature Communications]

    Full Article

    Human Neutrophil IL1β Directs Intestinal Epithelial Cell Extrusion During Salmonella Infection

    To determine mechanisms by which neutrophils, as early responders to bacterial challenge, direct inflammatory programming of human intestinal epithelium, scientists established a multi-component human intestinal organoid model of Salmonella enterica Typhimurium infection.
    [PLoS Pathogens]

    Full Article

    iPSC-Derived Mesenchymal Cells That Support Alveolar Organoid Development

    Investigators generated iPSC-derived mesenchymal cells that had the ability to develop alveolar organoids with the aim of modeling niche environments and diseases.
    [Cell Reports Methods]

    Full Article
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    REVIEWS

    Organoids as a Novel Tool in Modeling Infectious Diseases

    The authors discuss the applicability of the organoid technology for modeling pathogenesis, host response and features, which can be explored for the development of preventive and therapeutic treatments.
    [Seminars in Cell & Developmental Biology]

    Abstract

    Human Cellular Models for Retinal Disease: From Induced Pluripotent Stem Cells to Organoids

    Scientists review models of human retinal disease, including animal models, and hPSC–derived models for their role in gene discovery and treatment of inherited retinal diseases.
    [Retina-the Journal of Retinal and Vitreous Diseases]

    Abstract
    INDUSTRY AND POLICY NEWS

    ISS National Lab Research Announcement Seeking Tissue Engineering and Biomanufacturing Proposals Opens

    A research announcement to leverage the unique microgravity environment of the International Space Station for in-space production applications within the biomedical community is now open.
    [ISS National Laboratory]

    Press Release

    Columbia Scientists Receive Prestigious New Innovator Awards from NIH

    Four young faculty members at Columbia University have received prestigious “New Innovator” awards from the NIH’s High-Risk, High-Reward program, including Dr. Christopher Makinson who is studying brain organoid maturation.
    [Columbia University]

    Press Release
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    JOB OPPORTUNITIES

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    Aarhus University – Aarhus C, Denmark

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    European Molecular Biology Laboratory – Barcelona, Spain

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