Intestinal Cell News Volume 10.05 | Feb 09 2024

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    2024-02-09 | ICN 10.05


    Intestinal Cell News by STEMCELL Technologies
    Vol. 10.05 – 9 February, 2024
    TOP STORY

    Targeted Activation of Ferroptosis in Colorectal Cancer via LGR4 Targeting Overcomes Acquired Drug Resistance

    Scientists established a colorectal cancer-derived organoid biobank and induced acquired drug resistance by repeated low-level exposures of chemo-agents.
    [Nature Cancer]

    Abstract
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    PUBLICATIONSRanked by the impact factor of the journal

    Delivery of Interferon β-Encoding Plasmid via Lipid Nanoparticle Restores Interferon β Expression to Enhance Antitumor Immunity in Colon Cancer

    Researchers tested the hypothesis that cationic lipid nanoparticle delivery of interferon β (IFNβ)-encoding plasmid to tumors was effective in restoring IFNβ expression to suppress tumor immune evasion.
    [ACS Nano]

    AbstractGraphical Abstract

    Age-, Sex-, and Proximal–Distal-Resolved Multi-omics Identifies Regulators of Intestinal Aging in Non-Human Primates

    While considering age, sex, and proximal–distal variations, investigators used a multi-omics approach in non-human primates to shed light on the heterogeneity of intestinal aging and identify potential regulators of gut aging.
    [Nature Aging]

    Full Article

    SLE Serum Induces Altered Goblet Cell Differentiation and Leakiness in Human Intestinal Organoids

    Researchers presented an in vitro model specifically designed to examine the effects of systemic lupus erythematosus (SLE) on epithelial cells. They utilized human colon organoids that were stimulated with serum from SLE patients.
    [EMBO Molecular Medicine]

    Full ArticleGraphical Abstract

    Pre-Existing Subclones Determine Radioresistance in Rectal Cancer Organoids

    Researchers employed organoids derived from rectal cancer and single-cell whole-genome sequencing to investigate the long-term evolution of subclones in response to radiation.
    [Cell Reports]

    Full ArticleGraphical Abstract

    FSTL3 Promotes Tumor Immune Evasion and Attenuates Response to Anti-PD1 Therapy by Stabilizing c-Myc in Colorectal Cancer

    Researchers revealed that follistatin-like 3 (FSTL3) was overexpressed in malignant cells in the colorectal cancer microenvironment, notably, the expression level of FSTL3 was related to tumor immune evasion and the clinical efficacy of anti-PD1 therapy.
    [Cell Death & Disease]

    Full Article

    GNAS Mutation Inhibits Growth and Induces Phosphodiesterase 4D Expression in Colorectal Cancer Cell Lines

    The authors investigated the effect of an activating GNAS mutation in colorectal cancer cell lines on gene expression and cell proliferation in vitro, and tumor growth in vivo. GNAS-mutated HCT116 cells showed stimulated synthesis of cAMP as compared to parental cells.
    [International Journal of Cancer]

    Full Article

    Discovery of a Nitroaromatic Nannocystin with Potent In Vivo Anticancer Activity against Colorectal Cancer by Targeting AKT1

    Scientists synthesized a nitroaromatic nannocystin through improved preparation of a key fragment, and characterized its in vitro activity and in vivo efficacy against colorectal cancer.
    [Acta Pharmacologica Sinica]

    Abstract

    PHGDH Knockdown Increases Sensitivity to SR1, an Aryl Hydrocarbon Receptor Antagonist, in Colorectal Cancer by Activating the Autophagy Pathway

    Investigators demonstrated that phosphoglycerate dehydrogenase (PHGDH) expression was significantly up-regulated in colorectal cancer (CRC). PHGDH expression was positively correlated with that of the aryl hydrocarbon receptor and its target genes, CYP1A1 and CYP1B1, in CRC cells.
    [FEBS Journal]

    Abstract

    DNA Demethylation and Tri-Methylation of H3K4 at the TACSTD2 Promoter Are Complementary Players for TROP2 Regulation in Colorectal Cancer Cells

    Trophoblast cell surface antigen 2 (TROP2) expression strongly correlated with promoter methylation in different colorectal tumor cell lines.
    [Scientific Reports]

    Full Article

    The Inhibition Effects of Lentilactobacillus buchneri-Derived Membrane Vesicles on AGS and HT-29 Cancer Cells by Inducing Cell Apoptosis

    The authors investigated the anticancer effects of membrane vesicles from Lentilactobacillus buchneri strain HBUM07105 probiotic isolated from conventional and unprocessed yogurt in Arak province, Iran, against gastric and colon cancer cell lines.
    [Scientific Reports]

    Full Article

    d-α-Tocopheryl Polyethylene Glycol 1000 Succinate Surface Scaffold Polysarcosine Based Polymeric Nanoparticles of Enzalutamide for the Treatment of Colorectal Cancer: In Vitro, In Vivo Characterizations

    Enzalutamide loaded poly lactic-co-glycolic acid nanoparticles coated with polysarcosine and d-α-Tocopheryl polyethylene glycol 1000 succinate were prepared using a three-step modified nanoprecipitation method combined with self-assembly.
    [Heliyon]

    Full Article

    Mechanism of miR-7 Mediating TLR4/TRAF6/NF-κB Inflammatory Pathway in Colorectal Cancer

    The relationship between miR-7 and toll-like receptor 4 (TLR4) was analyzed through dual luciferase reporter assays. MTT, wound healing, and cell invasion assays were conducted to examine the effects of TLR4 and miR-7 on CRC cell proliferation, migration, and invasion.
    [Functional & Integrative Genomics]

    Full Article
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    REVIEWS

    Clusterin: A Marker and Mediator of Chemoresistance in Colorectal Cancer

    Scientists discuss recent insights on clusterin (CLU) in colorectal cancer and its roles in enhancing the plasticity of cells and further consider the implications of CLU as a prospective target for therapeutic intervention.
    [Cancer and Metastasis Reviews]

    Full Article
    INDUSTRY AND POLICY NEWS

    Case Western Reserve University Researcher Awarded $2 Million Federal Grant to Further Explore Possible New Effective Treatments for Colorectal and Other Cancers

    With a new $2 million federal grant, a researcher with the Case Western Reserve University School of Medicine will lead a team to further explore preliminary findings of an effective treatment for colorectal and possibly other cancers.
    [Case Western Reserve University (EurekAlert)]

    Press Release

    Preventing Bowel Cancer by Reversing Aging in the Gut

    Monash Biomedicine Discovery Institute researcher Dr Lochlan Fennell has been awarded $100,000 over 12 months by Cure Cancer to investigate the possibility of restoring the youthfulness of the cells that cause bowel cancer.
    [Monah University]

    Press Release
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    University of Virginia – Charlottesville, Virginia, United States

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    Imperial College London – London, England, United Kingdom

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    Columbia University Irving Medical Center – New York, New York, United States

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    University of Birmingham – Birmingham, England, United Kingdom

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