Intestinal Cell News Volume 9.47 | Dec 15 2023

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    2023-12-15 | ICN 9.47


    Intestinal Cell News by STEMCELL Technologies
    Vol. 9.47 – 15 December, 2023
    TOP STORY

    An Oncogenic Phenoscape of Colonic Stem Cell Polarization

    To functionally map how cell-intrinsic and cell-extrinsic cues co-regulate cell fate, scientists performed a systematic single-cell analysis of 1,107 colonic organoid cultures regulated by CRC oncogenic mutations, microenvironmental fibroblasts and macrophages, stromal ligands, and signaling inhibitors.
    [Cell]

    Full ArticleGraphical Abstract
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    Enhanced SREBP2-Driven Cholesterol Biosynthesis by PKCλ/ι Deficiency in Intestinal Epithelial Cells Promotes Aggressive Serrated Tumorigenesis

    Researchers demonstrated that the phosphorylation of SCAP by the atypical PKC, PKCλ/ι promoted its degradation and inhibited the processing and activation of SREBP2, the master regulator of cholesterol biosynthesis.
    [Nature Communications]

    Full Article

    Butyrate Reduces Adherent-Invasive E. coli-Evoked Disruption of Epithelial Mitochondrial Morphology and Barrier Function: Involvement of Free Fatty Acid Receptor 3

    Scientists hypothesized that butyrate would limit the epithelial mitochondrial disruption caused by E. coli-LF82. Human colonic organoids and the T84 epithelial cell line infected with E. coli-LF82 showed a significant increase in mitochondrial network fission that was reduced by butyrate co-treatment.
    [Gut Microbes]

    Full Article

    IGF2BP1/IMP1 Deletion Enhances a Facultative Stem Cell State via Regulation of MAP1LC3B

    Investigators evaluated stem cell composition, autophagic vesicle content, organoid formation, and in vivo regeneration in mice with intestinal epithelial deletion of the RNA-binding protein IMP1.
    [Cellular And Molecular Gastroenterology And Hepatology]

    AbstractGraphical Abstract

    Cepharanthine, a Regulator of keap1-Nrf2, Inhibits Gastric Cancer Growth through Oxidative Stress and Energy Metabolism Pathway

    Cepharanthine (CEP) inhibited the cellular activity of gastric cancer AGS, HGC27, and MFC cell lines in this study. CEP-induced apoptosis reduced Bcl-2 expression and increased cleaved caspase 3, cleaved caspase 9, Bax, and Bad expression.
    [Cell Death Discovery]

    Full Article

    1,8-Dihydroxy-3-Methoxy-Anthraquinone Inhibits Tumor Angiogenesis through HIF-1α Downregulation

    Investigators conducted comprehensive investigations utilizing human colorectal cancer HCT116 cells, human umbilical cord vascular endothelial cells, and zebrafish embryos to assess the potential benefits of DMA in suppressing tumor angiogenesis.
    [Biochemical Pharmacology]

    AbstractGraphical Abstract

    Unveiling the Role of miR-137-3p/miR-296-5p/SERPINA3 Signaling in Colorectal Cancer Progression: Integrative Analysis of Gene Expression Profiles and In Vitro Studies

    The role of miR-137-3p/miR-296-5p/ Serpin family A member 3 (SERPINA3) in CRC cell function was investigated using in vitro assays.
    [BMC Medical Genomics]

    Full Article

    Transient Receptor Potential Melastatin 2 Is Involved in Trinitrobenzene Sulfonic Acid-Induced Acute and Chronic Colitis-Associated Fibrosis Progression in Mice

    Scientists investigated the role of transient receptor potential melastatin 2 (TRPM2) in acute colitis and chronic colitis-associated fibrosis progression.
    [Journal Of Pharmacological Sciences]

    Full Article
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    REVIEWS

    Plastic Persisters: Revival Stem Cells in Colorectal Cancer

    The author focuses on a major emerging source of nongenetic plasticity in CRC, revival stem cells. New knowledge of revival colonic stem cell plasticity in CRC provides unique opportunities to treat CRC.
    [Trends in Cancer]

    Full Article
    INDUSTRY AND POLICY NEWS

    Immuneering Announces FDA Clearance of IND Application for Phase I/IIa Trial of IMM-6-415 to Treat Advanced Solid Tumors with RAF or RAS Mutations

    Immuneering Corporation announced that the US FDA has cleared its Investigational New Drug  (IND) application for IMM-6-415, paving the way for the company to initiate a Phase I/IIa clinical trial of this oral, twice-daily small molecule, in development for the treatment of advanced RAF or RAS mutant solid tumors.
    [Immuneering Corporation]

    Press Release
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    JOB OPPORTUNITIES

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    Uppsala University – Uppsala, Sweden

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    Francis Crick Institute – London, England, United Kingdom

    Postdoctoral Scholar – iPSC Disease Modeling

    University of California San Francisco – San Francisco, California, United States

    Animal Technician – Experimental Therapeutics

    BC Cancer – Vancouver, British Columbia, Canada

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