Organoid News Volume 3.17 | May 5 2022

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    2022-05-05 | ON 3.17


    Organoid News by STEMCELL Technologies
    Vol. 3.17 – 5 May, 2022
    TOP STORY

    In Situ Detection of Kidney Organoid Generation From Stem Cells Using a Simple Electrochemical Method

    The authors proposed a new method that enabled the real-time assessment of kidney organoids derived from stem cells. When placed on a conductive surface, these organoids generated unique electrochemical signals at ≈0.3 V with intensities proportional to the amount of kidney-specific cell types.
    [Advanced Science]

    Full Article
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    Periodic Formation of Epithelial Somites from Human Pluripotent Stem Cells

    Researchers reported the generation of human somitoids, organoids that periodically formed pairs of epithelial somite-like structures.
    [Nature Communications]

    Full Article

    Generation of Vascularized Brain Organoids to Study Neurovascular Interactions

    Investigators induced vessel and brain organoids respectively, and then fused two types of organoids together to obtain vascularized brain organoids.
    [eLife]

    Abstract

    Lipid Exposure Activates Gene Expression Changes Associated with Estrogen Receptor Negative Breast Cancer

    Utilizing both an in vitro model and samples from women at high risk for estrogen receptor negative breast cancer (ER− BC), researchers showed that lipid exposure engendered gene expression, signaling pathway activation, and histone marks associated with the development of ER− BC.
    [npj Breast Cancer]

    Full Article

    Hepatocyte-Derived VEGFA Accelerates the Progression of Non-Alcoholic Fatty Liver Disease to Hepatocellular Carcinoma via Activating Hepatic Stellate Cells

    LX2 cells could be activated by conditioned medium from non-alcoholic fatty liver disease-derived organoids, but not from hepatitis B virus livers, whereas this activation was blocked by a VEGFA antibody.
    [Acta Pharmacologica Sinica]

    Abstract

    Computational Profiling of hiPSC-Derived Heart Organoids Reveals Chamber Defects Associated with NKX2-5 Deficiency

    Scientists showed that their systems generated chamber-specific organoids comprising of the major cardiac cell types, and they used single cell RNA sequencing together with sample multiplexing to characterize the cells they generated.
    [Communications Biology]

    Full Article

    Growth Factor Dependency in Mammary Organoids Regulates Ductal Morphogenesis during Organ Regeneration

    Investigators showed organoids grown in suspension with minimal concentration of Matrigel and in the presence of a cocktail of growth factors regulating EGF and FGF signaling could recapitulate key epithelial layers of adult mammary gland.
    [Scientific Reports]

    Full Article

    Establishment of Patient-Derived Organoids and a Characterization-Based Drug Discovery Platform for Treatment of Pancreatic Cancer

    Patient-derived organoids were established from pancreatic tumor surgical specimens, and the mutations were examined using a panel sequence. Expression of markers was assessed by PCR, immunoblotting, and immunohistochemistry.
    [BMC Cancer]

    Full Article
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    REVIEWS

    3D Cell Cultures toward Quantitative High-Throughput Drug Screening

    The authors review recent progress and breakthroughs in the automation and high-throughput imaging of 3D culture models, which can be integrated with machine-learning tools to aid quantitative high-throughput screening for drug discovery and development.
    [Trends in Pharmacological Sciences]

    Abstract

    Development of Patient Derived Organoids for Cancer Drug Screening Applications

    Scientists discuss the pre-clinical model and different types of human organoids as models for the development of high throughput drug screening and also highlight how organoids are shaping the future of cancer research.
    [Acta Histochemica]

    Abstract
    INDUSTRY AND POLICY NEWS

    Accelerated Biosciences and Pluristyx Announce Availability of Human Trophoblast Stem Cell (hTSC) Derived iPSCs

    Accelerated Biosciences announced an agreement for Pluristyx, Inc. to provide iPSCs derived from human trophoblast stem cells procured under Good Tissue Practices for research evaluation.
    [Accelerated Biosciences (BioSpace, Inc.)]

    Press Release
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