Organoid News Volume 4.39 | Oct 05 2023

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    2023-10-05 | ON 4.39


    Organoid News by STEMCELL Technologies
    Vol. 4.39 – 5 October, 2023
    TOP STORY

    Generation of Proximal Tubule-Enhanced Kidney Organoids from Human Pluripotent Stem Cells

    The authors described a protocol for improved specification of nephron progenitors from hPSCs that resulted in kidney organoids with elongated proximalized nephrons displaying improved proximal tubule maturity compared with those generated using standard kidney organoid protocols.
    [Nature Protocols]

    Abstract
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    The Iron Matters: Aged Microplastics Disrupted the Iron Homeostasis in the Liver Organoids

    Scientists utilized the hPSC-derived liver organoids to compare the cytotoxicity of pristine polystyrene microplastics and aged polystyrene microplastics ranged from 20 to 200 ng/mL.
    [Science of The Total Environment]

    AbstractGraphical Abstract

    Bioactive and Chemically Defined Hydrogels with Tunable Stiffness Guide Cerebral Organoid Formation and Modulate Multi-Omics Plasticity in Cerebral Organoids

    Using cerebral organoids (COs) as exemplar, researchers demonstrated the possibility to create bio-instructive hydrogels with tunable stiffness ranging from 0.69 kPa to 2.24 kPa to culture and induce COs growth.
    [Acta Biomaterialia]

    Full ArticleGraphical Abstract

    Fisetin Induces the Upregulation of AKAP12 mRNA and Anti-Angiogenesis in a Patient-Derived Organoid Xenograft Model

    The authors investigated the anti-colorectal cancer (CRC) effects of fisetin, a natural plant flavonoid. Cytotoxicity was performed in CRC patient-derived organoids.
    [Biomedicine & Pharmacotherapy]

    Full ArticleGraphical Abstract

    Mapping Oto-Pharyngeal Development in a Human Inner Ear Organoid Model

    Using single-cell RNA sequencing at ten stages during the first 36 days of differentiation, researchers tracked the evolution from pluripotency to various ear cell types after exposure to specific signaling modulators.
    [Development]

    Full Article

    iPSC-Derived Type IV Collagen α5-Expressing Kidney Organoids Model Alport Syndrome

    Scientists established iPSC-derived collagen α5(IV)-expressing kidney organoids and confirmed that kidney organoids from COL4A5 mutation-corrected iPSCs restore collagen α5(IV) protein expression.
    [Communications Biology]

    Full Article

    Human Organoids Are Superior to Cell Culture Models for Intestinal Barrier Research

    Investigators performed a detailed functional characterization of human intestinal organoid cultures under different conditions with the aim to suggest an optimized ex-vivo model to further analyze inflammation-induced intestinal epithelial barrier dysfunction.
    [Frontiers in Cell and Developmental Biology]

    Full Article

    Evaluation of the Efficacy of Mitochondrial Fission Inhibitor (Mdivi-1) Using Nonalcoholic Steatohepatitis (NASH) Liver Organoids

    Researchers investigated the relationship between mitochondrial function and NASH disease by comparing NASH liver organoids and control liver organoids.
    [Frontiers in Pharmacology]

    Abstract

    Efficient Genetic Editing of Human Intestinal Organoids Using Ribonucleoprotein-Based CRISPR

    Scientists described an efficient method of intestinal organoid editing using a ribonucleoprotein CRISPR-based approach.
    [Disease Models & Mechanisms]

    Abstract

    Establishment of a 96-Well Transwell System Using Primary Human Gut Organoids to Capture Multiple Quantitative Pathway Readouts

    Investigators adapted human primary gut organoids grown as monolayers to quantify transcription factor phosphorylation, gene expression, cytokine production, and barrier function.
    [Scientific Reports]

    Full Article
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    REVIEWS

    Engineering the Physical Microenvironment into Neural Organoids for Neurogenesis and Neurodevelopment

    The authors discuss how the physical microenvironment modulates critical events during the periods of neurogenesis and neurodevelopment.
    [Small]

    Abstract

    Navigating the Kidney Organoid: Insights into Assessment and Enhancement of Nephron Function

    Scientists review the current state, recent advances, and future challenges in the functional characterization of kidney organoids, strategies to accelerate and enhance kidney organoid functions, and access to PSC resources to advance organoid research.
    [American Journal Of Physiology-Renal Physiology]

    Abstract
    INDUSTRY AND POLICY NEWS

    South Korean Scientists’ Outcry Over Planned R&D Budget Cuts

    South Korea’s scientists have been left reeling after the government proposed substantial cuts to the 2024 federal research budget. Government spending on research and development in the country has been among the highest in the world and the announcement has sparked a rare outcry from researchers.
    [Nature]

    Press Release
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    JOB OPPORTUNITIES

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    Helmholtz Association of German Research Centres – Berlin, Germany

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    KU Leuven – Leuven, Belgium

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