Intestinal Cell News Volume 10.13 | Apr 19 2024

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    2024-04-19 | ICN 10.13


    Intestinal Cell News by STEMCELL Technologies
    Vol. 10.13 – 19 April, 2024
    TOP STORY

    Recurrent RhoGAP Gene Fusion CLDN18-ARHGAP26 Promotes RHOA Activation and Focal Adhesion Kinase and YAP-TEAD Signaling in Diffuse Gastric Cancer

    Scientists developed a model to study the function of a fusion protein in the pathogenesis of diffuse gastric cancer (DGC). They evaluated its oncogenic activity and the biochemical effects of the fusion protein on the RHOA pathway and its downstream cell biological effects in the pathogenesis of DGC.
    [Gut]

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    DHX9 Maintains Epithelial Homeostasis by Restraining R-Loop-Mediated Genomic Instability in Intestinal Stem Cells

    The authors observed reduced DEAH-box helicase 9 (DHX9) protein levels in IBD patients, and mice with conditional DHX9 depletion in the intestinal epithelium exhibited an increased susceptibility to experimental colitis.
    [Nature Communications]

    Full Article

    PREX2 Contributes to Radiation Resistance by Inhibiting Radiotherapy-Induced Tumor Immunogenicity via cGAS/STING/IFNs Pathway in Colorectal Cancer

    Phosphatidylinositol-3,4,5-triphosphate-dependent Rac exchange factor 2 (PREX2) emerged as an upregulated gene in radioresistant colorectal cancer (CRC) cells. It augmented the radioresistant capacity of CRC cells and demonstrated potential as a marker for predicting radioresistance efficacy.
    [BMC Medicine]

    Full Article

    Combination of Bazedoxifene with Chemotherapy and SMAC-Mimetics for the Treatment of Colorectal Cancer

    Researchers provided evidence that bazedoxifene inhibited tumor growth via direct interaction with the gp130 receptor to suppress IL-6 and IL-11-mediated STAT3 signaling. Additionally, bazedoxifene combined with chemotherapy reduced cell proliferation and induced apoptosis in patient-derived organoids.
    [Cell Death & Disease]

    Full Article

    Chymotrypsin Activity Signals to Intestinal Epithelium by Protease-Activated Receptor-Dependent Mechanisms

    Researchers deciphered molecular pharmacological mechanisms and gene expression regulation for chymotrypsin signaling in intestinal epithelial cells.
    [British Journal Of Pharmacology]

    Full ArticleGraphical Abstract

    The Phosphatase Inhibitor LB-100 Creates Neoantigens in Colon Cancer Cells through Perturbation of mRNA Splicing

    Scientists reported a sensitivity of the mRNA splicing machinery to phosphorylation changes in response to LB-100 in colorectal adenocarcinoma.
    [EMBO Reports]

    Full ArticleGraphical Abstract
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    REVIEWS

    Organoids as a Tool to Study Homeostatic and Pathological Immune–Epithelial Interactions in the Gut

    Investigators provide an overview of how intestinal organoids are being co-cultured with immune cells leading to substantial advances in their understanding of immune–epithelial interactions in the gut.
    [Clinical & Experimental Immunology]

    Full Article
    INDUSTRY AND POLICY NEWS

    Palisade Bio Successfully Demonstrates Bioactivation of PALI-2108 in Ex-Vivo Study of Normal Healthy and Ulcerative Colitis Patients’ Stool

    Palisade Bio, Inc. announced the completion of its analysis evaluating ex-vivo bioactivation of PALI-2108, an orally administered, locally acting colon-specific phosphodiesterase-4 inhibitor prodrug in development for patients affected by ulcerative colitis.
    [Palisade Bio, Inc.]

    Press Release

    New Research from Case Western Reserve University Aims to Block Tumor Growth in Colorectal Cancer Patients

    With a new five-year, $1.84 million grant from the National Cancer Institute, researchers from Case Western Reserve University hope to take a step closer to developing new treatment options for people with metastatic colorectal cancer by studying how a protein involved in colorectal cancer growth functions.
    [Case Western Reserve University]

    Press Release
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    JOB OPPORTUNITIES

    Researcher – Permeability Biomarkers Intestinal, Liver, and Gastro-Intestinal Diseases

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    Cedars-Sinai Medical Center – Los Angeles, California, United States

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    Monash University – Melbourne, Australia

    Research Technician – Molecular Virology and Organoids

    Baylor College of Medicine – Houston, Texas, United States

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