Organoid News Volume 1.06 | Aug 20 2020

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    ON 1.06 | Aug 20 2020


    Organoid News by STEMCELL Technologies
    Vol. 1.06 – 20 August, 2020
    TOP STORY

    Immune-Evasive Human Islet-Like Organoids Ameliorate Diabetes

    Researchers generated human islet-like organoids from induced pluripotent stem cells and showed that non-canonical WNT4 signaling drove the metabolic maturation necessary for robust ex vivo glucose-stimulated insulin secretion.
    [Nature]

    Abstract

    New mTeSR™ Plus hPSC Maintenance Medium
    PUBLICATIONSRanked by the impact factor of the journal

    An In Vivo
    KRAS Allelic Series Reveals Distinct Phenotypes of Common Oncogenic Variants

    Scientists showed that KRASG13D mutants were sensitive to EGFR inhibition, while KRASG12C mutant organoids were selectively responsive to covalent G12C inhibitors only when EGFR was suppressed.
    [Cancer Discovery]

    Abstract

    Next-Generation
    Surrogate Wnts Support Organoid Growth and Deconvolute Frizzled Pleiotropy In Vivo

    Researchers designed and engineered water-soluble, Frizzled (Fzd) subtype-specific “next-generation surrogate” Wnts that hetero-dimerize Fzd and Lrp6.
    [Cell Stem Cell]

    AbstractGraphical Abstract

    Dynamic
    Full-Field Optical Coherence Tomography: 3D Live-Imaging of Retinal Organoids

    Researchers present dynamic full-field optical coherence tomography as a technique to noninvasively image living human iPSC-derived retinal organoids.
    [Light-Science & Applications]

    Full Article

    Histone Methyltransferase DOT1L Coordinates AR and MYC Stability in Prostate Cancer

    Genetic and chemical inhibition of DOT1L selectively impaired the viability of androgen receptor-positive prostate cancer cells and organoids, including castration-resistant and enzalutamide-resistant cells.
    [Nature Communications]

    Full Article

    Suppression
    of Membranous LRP5 Recycling, Wnt/β-Catenin Signaling, and Colon Carcinogenesis by 15-LOX-1 Peroxidation of Linoleic Acid in PI3P

    Scientists report that high dietary linoleic acid promoted colorectal carcinogenesis in mice treated with azoxymethane or with an intestinally targeted Apc mutation by upregulating Wnt receptor LRP5 protein expression and β-catenin activation.
    [Cell Reports]

    Full ArticleGraphical Abstract

    Acute Stress Disrupts Intestinal Homeostasis via GDNF-RET

    In vitro, glial cell‐derived neurotrophic factor (GDNF) treatment amplified Wnt signal and increased serotonin levels in colonic organoids in a dose‐dependent manner.
    [Cell Proliferation]

    Full Article

    Inhibition
    of Alk Signaling Promotes the Induction of Human Salivary Gland-Derived Organoids

    Investigators clarified that inhibition of Activin receptor-like kinase signaling was essential for the induction of human salivary gland-derived organoids and showed their usefulness as an inflammatory disease model.
    [Disease Models & Mechanisms]

    AbstractFull Article

    Regulation of Colonic Epithelial Cell Homeostasis by mTORC1

    Scientists showed that ablation of tuberous sclerosis complex 2, a negative regulator of mammalian target of rapamycin complex 1 (mTORC1), specifically in intestinal epithelial cells of mice resulted in increased activity of mTORC1 of, as well as increased proliferative activity of, colonic epithelial cells.
    [Scientific Reports]

    Full Article

    Download an e-book covering the evolution of organoids, from their development to updated applications and future outlooks.
    REVIEWS

    Somatic Cell-Derived Organoids As Prototypes of Human Epithelial Tissues and Diseases

    The authors describe multidisciplinary approaches for creating organoid models of human genetic, neoplastic, immunological and infectious diseases.
    [Nature Materials]

    Full Article

    Animal and Translational Models of SARS-CoV-2 Infection and COVID-19

    The authors explore and discuss the diverse animal, cell and tissue models that are being used and developed and collectively recapitulate many critical aspects of disease manifestation in humans to develop and test new preventions and treatments.
    [Mucosal Immunology]

    Full Article

    Applications of Organoids for Cancer Biology and Precision Medicine

    Scientists describe recent advances in organoid technologies and their application to cancer biology, clinical translation and precision medicine.
    [Nature Cancer]

    Abstract

    INDUSTRY AND POLICY NEWS

    How
    Do You Separate Scientifically Sound Stem Cell Therapies from Scams?

    For patients who’ve run out of other options, experimental, unproven therapies like stem cell treatments offer new hope. But how do you sort the scientifically legitimate from the dangerous?
    [STAT News]

    Press Release

    FEATURED EVENT

    NCRI 2020: Virtual Showcase

    November 2 – November 3
    Virtual


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    JOB OPPORTUNITIES


    Postdoctoral
    Scholar – Biomedical Engineering in Regenerative Medicine

    Pennsylvania State University – Philadelphia, Pennsylvania, United States

    Postdoctoral
    Position – Lung Regeneration

    Institut Mondor de Recherche Biomédicale (IMRB) – Creteil, France

    Faculty
    Position – Reproductive Origins of Health and Disease

    Wayne State University – Detroit, Michigan, United States

    Research
    Scientist – Breast Cancer and Organoid Cultures

    Icahn School of Medicine, Mount Sinai – New York City, New York, United States

    Postdoctoral
    Fellow – National CRISPR Screening Platform

    University Medical Centre Groningen (UMCG) – Groningen, Netherlands

    > See All Jobs

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