Intestinal Cell News Volume 9.04 | Feb 03 2023

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    2023-02-03 | ICN 9.04


    Intestinal Cell News by STEMCELL Technologies
    Vol. 9.04 – 3 February, 2023
    TOP STORY

    APOBEC Mutagenesis is a Common Process in Normal Human Small Intestine

    By whole-genome sequencing of 342 microdissected normal epithelial crypts from the small intestines of 39 individuals, investigators found that SBS2/SBS13 mutations were present in 17% of crypts, more frequent than most other normal tissues.
    [Nature Genetics]

    Full Article
    Webinar: Organoids as Models for Human Disease
    PUBLICATIONSRanked by the impact factor of the journal

    Dissection of Gastric Homeostasis In Vivo Facilitates Permanent Capture of Isthmus-Like Stem Cells In Vitro

    Researchers showed that cell types with equivalent functional roles in the corpus and antrum shared similar transcriptional states including the poorly characterized stem cells of the isthmus region.
    [Nature Cell Biology]

    Abstract

    Noncoding RNA circBtnl1 Suppresses Self-Renewal of Intestinal Stem Cells via Disruption of Atf4 mRNA Stability

    The authors identified a circular RNA, circBtnl1, that was highly expressed in intestinal stem cells. Loss of circBtnl1 in mice enhanced intestinal stem cell self-renewal capacity and epithelial regeneration, without changes in mRNA and protein levels of its parental gene Btnl1.
    [EMBO Journal]

    AbstractGraphical Abstract

    FUT2-Dependent Fucosylation of HYOU1 Protects Intestinal Stem Cells against Inflammatory Injury by Regulating Unfolded Protein Response

    The apoptosis, function, and stemness of intestinal stem cells were analyzed using intestinal organoids from wild type and Fut2ΔISC mice incubated with lipopolysaccharide and fucose.
    [Redox Biology]

    Full ArticleGraphical Abstract

    Deubiquitylation of Rab35 by USP32 Promotes the Transmission of Imatinib Resistance by Enhancing Exosome Secretion in Gastrointestinal Stromal Tumours

    Investigators revealed that exosomes released from imatinib-resistant gastrointestinal stromal tumors transmitted drug resistance to imatinib-sensitive tumors.
    [Oncogene]

    AbstractGraphical Abstract

    Inhibition of Multiple CDKs Potentiates Colon Cancer Chemotherapy via p73-Mediated DR5 Induction

    Scientists presented p73-mediated death receptor 5 induction as a potential tumor suppressive mechanism and a critical target engaged by different cyclin-dependent kinase inhibitors in potentiating therapy-induced apoptosis in colorectal cancer cells.
    [Oncogene]

    Abstract

    Ruxolitinib Alleviates Inflammation, Apoptosis, and Intestinal Barrier Leakage in Ulcerative Colitis via STAT3

    Investigators demonstrated that ruxolitinib alleviated colitis by inhibiting nuclear factor kappa B–related inflammation and apoptosis in addition to restoring epithelial barrier function via STAT3, providing a new strategy for ulcerative colitis treatment.
    [Inflammatory Bowel Diseases]

    Abstract

    α-Hederin Regulates Glucose Metabolism in Intestinal Epithelial Cells by Increasing SNX10 Expression

    Scientists explored the function of SNX10 in intestinal epithelial cells to provide a new target for the prevention and treatment of malignant transformation and the intervention mechanism of α-hederin for further development of potential novel agents targeting SNX10.
    [Phytomedicine]

    Full ArticleGraphical Abstract
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    REVIEWS

    Therapeutic Landscape and Future Direction of Metastatic Colorectal Cancer

    In patients with deficient mismatch repair and BRAFV600E metastatic colorectal cancer, randomized Phase III trials have established the efficacy of pembrolizumab as first-line therapy and the combination of encorafenib and cetuximab as second-line or third-line therapy.
    [Nature Reviews Gastroenterology & Hepatology]

    Abstract

    Role of Interleukin-22 in Ulcerative Colitis

    The authors summarize and analyze the latest knowledge to further elucidate the role of IL-22 in ulcerative colitis.
    [Biomedicine & Pharmacotherapy]

    Full ArticleGraphical Abstract
    INDUSTRY AND POLICY NEWS

    C4 Therapeutics Announces First Patient Dosed in Phase III Clinical Trial Evaluating CFT1946, an Orally Bioavailable BiDACâ„¢ Degrader, in BRAF V600 Mutant Solid Tumors

    C4 Therapeutics, Inc. announced the first patient had been dosed in its Phase I/II clinical trial of CFT1946, an orally bioavailable mutant-selective BiDACâ„¢ degrader for the treatment of BRAF V600 mutant solid tumors.
    [C4 Therapeutics (Globe Newswire)]

    Press Release
    FEATURED EVENT

    Heart Development and Disease: From Genes to Cures

    February 12 – 15, 2023
    Santa Fe, New Mexico, United States

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    JOB OPPORTUNITIES

    Staff Scientist – Genetics and Epigenetics of Gastrointestinal Cancers

    Beckman Research Institute – Monrovia, California, United States

    Senior Post-Doctoral Research Fellow – Intestinal Health Immunology

    University of Oxford – England, United Kingdom

    Research Associate – CAR T Immunotherapy

    Imperial College London – London, England, United Kingdom

    Research Associate – Digestion and Liver

    UT Southwestern Medical Center – Dallas, Texas, United States

    Postdoctoral Position – Spatial Omics Analysis

    European Molecular Biology Laboratory – Heidelberg, Germany

    > See All Jobs

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