Hepatic Cell News Volume 6.37 | Oct 14 2022

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    2022-10-13 | HCN 6.37


    Hepatic Cell News by STEMCELL Technologies
    Vol. 6.37 – 14 October, 2022
    TOP STORY

    TP53 R249S Mutation in Hepatic Organoids Captures the Predisposing Cancer Risk

    Scientists used human liver organoids in experimental systems to mimic the early stages of human liver carcinogenesis from the genetic lesions of TP53 loss and L3 loop R249S mutation.
    [Hepatology]

    Full Article
    He needed a better model system. So he invented a new organoid. Watch James Wells' webinar.
    PUBLICATIONSRanked by the impact factor of the journal

    Emergence of Highly Profibrotic and Proinflammatory Lrat+Fbln2+ Hepatic Stellate Cell Subpopulation in Alcoholic Hepatitis

    Lrat+Fbln2+ cells had 3-15x inductions of profibrotic, myofibroblastic, and immunoregulatory genes vs. Lrat+Fbln2 cells, but 2-4x repressed hepatic stellate cell-selective genes.
    [Hepatology]

    Abstract

    Lipid Droplet Turnover at the Lysosome Inhibits Growth of Hepatocellular Carcinoma in a BNIP3-Dependent Manner

    Low BNIP3 expression in human HCC correlated with increased lipid content and worse prognosis than HCC expressing high BNIP3. BNIP3 suppressed HCC cell growth by promoting lipid droplet turnover at the lysosome in a manner dependent on BNIP3 binding LC3.
    [Science Advances]

    Full Article

    TrkC-Mediated Inhibition of DJ-1 Degradation Is Essential for Direct Regulation of Pathogenesis of Hepatocellular Carcinoma

    Researchers demonstrated the possible association between upregulation of TrkC and acquisition of cancer stem cells traits or chemoresistance in HCC. They showed that upregulation of TrkC was closely associated with the survival and progression of HCC in vivo and in vitro.
    [Cell Death & Disease]

    Full Article

    Single-Cell Dissection of Remodeled Inflammatory Ecosystem in Primary and Metastatic Gallbladder Carcinoma

    Investigators validated significant overexpression of PLA2G2A across in situ gallbladder carcinoma (GBC) cells, together with increased proliferation and cancer stemness in PLA2G2A-overexpressing GBC cells, indicating an important role for PLA2G2A during early carcinogenesis.
    [Cell Discovery]

    Full Article

    Folic Acid Depletion As Well as Oversupplementation Helps in the Progression of Hepatocarcinogenesis in HepG2 Cells

    HepG2 cells were administered with three different concentrations of folic acid for 10 days. Fluorescence-activated cell sorting was done to evaluate cell viability and apoptosis. Agarose-coated plates were used to access cancer stem cells number.
    [Scientific Reports]

    Full Article

    HK1 from Hepatic Stellate Cell–Derived Extracellular Vesicles Promotes Progression of Hepatocellular Carcinoma

    Scientists demonstrated that in hepatic fibrosis, TGF-β stimulated the palmitoylation of hexokinase 1 (HK1) in hepatic stellate cells, which facilitated the secretion of HK1 via large extracellular vesicles in a TSG101-dependent manner.
    [Nature Metabolism]

    Full Article
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    REVIEWS

    Ferroptosis in Hepatocellular Carcinoma: Mechanisms and Targeted Therapy

    The authors discuss molecular mechanisms and signaling pathways involved in ferroptosis and offer their opinions on druggable targets and new therapeutic strategy in an attempt to restrain the growth and progression of hepatocellular carcinoma through induction of ferroptotic cell death.
    [British Journal of Cancer]

    Abstract

    Liver Organoids, Novel and Promising Modalities for Exploring and Repairing Liver Injury

    Investigators review the history of the development of liver organoids and summarize the application of liver organoids and recent studies using organoids to explore and further repair the liver injury.
    [Stem Cell Reviews and Reports]

    Full ArticleGraphical Abstract
    INDUSTRY AND POLICY NEWS

    Kezar Life Sciences Receives FDA Clearance of IND for Zetomipzomib for the Treatment of Autoimmune Hepatitis

    Kezar Life Sciences, Inc. announced that it received clearance of its Investigational New Drug (IND) application from the US FDA for zetomipzomib, its first-in-class, selective immunoproteasome inhibitor, for the treatment of autoimmune hepatitis.
    [Kezar Life Sciences, Inc.]

    Press Release
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