Organoid News Volume 3.23 | Jun 16 2022

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    2022-06-16 | ON 3.23


    Organoid News by STEMCELL Technologies
    Vol. 3.23 – 16 June, 2022
    TOP STORY

    Automated High-Speed 3D Imaging of Organoid Cultures with Multi-Scale Phenotypic Quantification

    Researchers presented an automated multi-scale 3D imaging platform synergizing high-density organoid cultures with rapid and live 3D single-objective light-sheet imaging.
    [Nature Methods]

    Full Article
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    PUBLICATIONSRanked by the impact factor of the journal

    Enhanced Cortical Neural Stem Cell Identity through Short SMAD and WNT Inhibition in Human Cerebral Organoids Facilitates Emergence of Outer Radial Glial Cells

    Investigators showed that a short and early Dual SMAD and WNT inhibition course was necessary and sufficient to establish robust and lasting cortical organoid neural stem cells (NSC) identity, efficiently suppressing non-cortical NSC fates.
    [Nature Cell Biology]

    Full Article

    Escape from Cell-Cell and Cell-Matrix Adhesion Dependence Underscores Disease Progression in Gastric Cancer Organoid Models

    Scientists explored cell-cell and cell-matrix dependence in 58 gastric cancer organoids by withdrawing either ROCK inhibitor, matrix or both to evaluate their tumorigenic potential.
    [Gut]

    Abstract

    3D Interfacial and Spatiotemporal Regulation of Human Neuroepithelial Organoids

    The authors established a simple 3D culture system that allowed for the generation and manipulation of neuroepithelial (NE) organoids from hiPSCs, displaying developmental phases of hiPSC differentiation and self-aggregation, first into NE cysts with lumen structure and then toward NE organoids with floor-plate patterning.
    [Advanced Science]

    Full Article

    Chimeric Cerebral Organoids Reveal the Essentials of Neuronal and Astrocytic APOE4 for Alzheimer’s Tau Pathology

    Investigators developed a novel engineering method of creating the chimeric human cerebral organoids to assess the differential roles of APOE4 in neurons and astrocytes.
    [Signal Transduction and Targeted Therapy]

    Full Article

    RNF43 G659fs Is an Oncogenic Colorectal Cancer Mutation and Sensitizes Tumor Cells to PI3K/mTOR Inhibition

    Investigators found that RNF43_p.G659fs promoted cell growth independent of Wnt signaling. PI3K/mTOR inhibitors yielded promising antitumor activity in RNF43659mut isogenic cell lines and xenograft models, as well as in patient-derived organoids harboring RNF43_p.G659fs mutations.
    [Nature Communications]

    Full Article

    Salivary Gland Organoid Culture Maintains Distinct Glandular Properties of Murine and Human Major Salivary Glands

    Scientists established long-term murine and human salivary gland organoid cultures that expressed gland-specific genes and proteins of acinar, myoepithelial, and duct cells, and exhibited gland functions when stimulated with neurotransmitters.
    [Nature Communications]

    Full Article

    Systematically Quantifying Morphological Features Reveals Constraints on Organoid Phenotypes

    Investigators established a framework to identify constraints on an organoid’s morphological features by quantifying them from microscopy images of organoids exposed to a range of perturbations.
    [Cell Systems]

    Abstract

    Immuno-Reactive Cancer Organoid Model to Assess Effects of the Microbiome on Cancer Immunotherapy

    Researchers developed a novel immune-enhanced tumor organoid system to study factors affecting immune checkpoint blockade response.
    [Scientific Reports]

    Full Article
    Free Wallchart: Dynamic Modeling in Organoids
    REVIEWS

    Forebrain Organoids to Model the Cell Biology of Basal Radial Glia in Neurodevelopmental Disorders and Brain Evolution

    The authors review the molecular and cell biological features of basal radial glia that have recently been elucidated using brain organoids.
    [Frontiers in Cell and Developmental Biology]

    Full Article
    INDUSTRY AND POLICY NEWS

    Umoja Biopharma and TreeFrog Therapeutics Announce Collaboration to Address Current Challenges Facing Ex Vivo Allogeneic Therapies in Immuno-Oncology

    Umoja Biopharma, Inc. and TreeFrog Therapeutics announced that they have entered into a collaboration to evaluate Umoja’s iPSC platform within TreeFrog’s C-Stem™ technology for scalable expansion and immune cell differentiation in bioreactors.
    [Umoja Biopharma, Inc.]

    Press Release
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    JOB OPPORTUNITIES

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    University Hospital of Würzburg – Würzburg, Germany

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    Uppsala University – Uppsala, Sweden

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    Francis Crick Institute – London, England, United Kingdom

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    Temple University – Philadelphia, Pennsylvania, United States

    Scientific Director – Electrophysiology and Heart Modeling

    Electrophysiology and Heart Modeling Institute – Bordeaux, France

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