Intestinal Cell News Volume 9.15 | Apr 28 2023

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    2023-04-28 | ICN 9.15


    Intestinal Cell News by STEMCELL Technologies
    Vol. 9.15 – 28 April, 2023
    TOP STORY

    Glutamate Dehydrogenase1 Supports HIF-1α Stability to Promote Colorectal Tumorigenesis under Hypoxia

    To explore the contribution of dehydrogenases to the low oxygen concentration response of tumor cells, scientists used siRNAs targeting 163 dehydrogenase-coding genes and discovered that glutamate dehydrogenase 1 played a critical role in regulating colorectal cancer cell survival under hypoxia.
    [EMBO Journal]

    AbstractGraphical Abstract
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    Hypoxia Induces Downregulation of the Tumor-Suppressive sST2 in Colorectal Cancer Cells via the HIF–Nuclear IL-33–GATA3 Pathway

    Investigators discovered that hypoxia reduced soluble ST2 (sST2) expression in colorectal cancer (CRC) cells and explored the associated molecular mechanisms, including the expression of key regulators of ST2 gene transcription in hypoxic CRC cells.
    [Proceedings Of The National Academy Of Sciences Of The United States Of America]

    Abstract

    Cinnamaldehyde Induces Apoptosis and Enhances Anti-Colorectal Cancer Activity via Covalent Binding to HSPD1

    The authors found that cinnamaldehyde (CA) could exert an antitumor effect in HCT-116 cell lines. Target fishing, molecular imaging, and live-cell tracing using an alkynyl–CA probe revealed that the heat shock 60 kDa protein 1 (HSPD1) protein was the target of CA.
    [Phytotherapy Research]

    Full Article

    Visinin-Like 1, a Novel Target Gene of the Wnt/β-Catenin Signaling Pathway, Is Involved in Apoptosis Resistance in Colorectal Cancer

    Using the haploid chronic myelogenous leukemia cell line HAP1, RNA sequencing was performed to identify genes whose expression was increased by APC disruption and reversed by β-catenin knockdown.
    [Cancer Medicine]

    Full Article

    Effects of SMC1A on Immune Microenvironment and Cancer Stem Cells in Colon Adenocarcinoma

    Flow cytometry and immunohistochemical analysis were checked for immune infiltration on MC38 mice model. Human colorectal cancer tissues were tested with RT-qPCR.
    [Cancer Medicine]

    Full Article

    HAMLET Effect on Cell Death and Mitochondrial Respiration in Colorectal Cancer Cell Lines with KRAS/BRAF Mutations

    Scientists treated three cell lines with HAMLET to evaluate cell metabolic activity and viability, flow cytometry of apoptotic and necrotic cells, pro- and anti-apoptotic genes, and protein expressions.
    [Journal of Cancer Research and Clinical Oncology]

    Full Article

    Targeting CDK12 Obviates the Malignant Phenotypes of Colorectal Cancer through the Wnt/β-Catenin Signaling Pathway

    Researchers investigated whether CDK12 could be a potential therapeutic target for patients with colorectal cancer and clarified its underlying mechanism. They found that CDK12, but not CDK13, was required for CRC survival.
    [Experimental Cell Research]

    Full ArticleGraphical Abstract

    LXR Inhibitor SR9243-Loaded Immunoliposomes Modulate Lipid Metabolism and Stemness in Colorectal Cancer Cells

    LXR inhibitor SR9243-loaded immunoliposomes improved the reduction of clonogenicity, stemness, and lipogenesis in CD133 + cancer stem cells in vitro, boosted reactive oxygen species generation, and induced apoptosis.
    [Medical Oncology]

    AbstractGraphical Abstract

    The Role and Molecular Mechanism of Metabolic Reprogramming of Colorectal Cancer by UBR5 through PYK2 Regulation of OXPHOS Expression Study

    UBR5 and proline-rich tyrosine kinase 2 (PYK2) expression levels were detected by RT-qPCR. The levels of UBR5, PYK2, and mitochondrial oxidative phosphorylation complexes were detected by western blot analysis.
    [Journal of Biochemical and Molecular Toxicology]

    Full Article
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    REVIEWS

    Cell-Free RNA for the Liquid Biopsy of Gastrointestinal Cancer

    The authors introduce the origins and applications of cell-free RNA (cfRNA), describe its detection and qualification methods in liquid biopsy, and summarize a comprehensive list of cfRNA biomarkers in different gastrointestinal cancer types.
    [WIREs RNA]

    AbstractGraphical Abstract

    Effects of Hormones on Intestinal Stem Cells

    Scientists summarize recent progress in the identification of hormones associated with intestinal stem cells. Several hormones, including thyroid hormone, glucagon-like peptide-2, androgens, and progastrin promote the development of intestinal stem cells.
    [Stem Cell Research & Therapy]

    Full Article

    Gastric Juice Non-Coding RNAs as Potential Biomarkers for Gastric Cancer

    Investigators present the characteristics of circulating or extracellular miRNAs, lncRNAs, and circRNAs in gastric juice, allowing their use in gastric cancer prevention, diagnosis, prognosis, and monitoring therapy.
    [Frontiers in Physiology]

    Full Article
    INDUSTRY AND POLICY NEWS

    Mount Sinai Launches Institute for Regenerative Medicine

    The Icahn School of Medicine at Mount Sinai announced the creation of the Institute for Regenerative Medicine to foster innovative research into new pathways to cure a host of diseases from leukemia to Alzheimer’s disease, breast cancer, and airway diseases.
    [Mount Sinai]

    Press Release
    FEATURED EVENT

    Advances in Cancer Immunotherapy™: A Focus on Pediatric Cancers

    May 3, 2023
    Virtual

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    JOB OPPORTUNITIES

    Senior Research Scientist – Rectal, Colon, and Anal Cancer Biology

    Memorial Sloan Kettering Cancer Center – New York City, New York, United States

    Postdoctoral Training Fellow – Colorectal Cancer

    Francis Crick Institute – London, England, United Kingdom

    Faculty Scientist Positions – Perioperative Medicine

    The University of Texas Health Science Center at Houston – Houston, Texas, United States

    Specialist – StainsFile

    STEMCELL Technologies, Inc. – Vancouver, British Columbia, Canada

    Research Technician – Health Science

    Oklahoma Medical Research Foundation – Oklahoma City, Oklahoma, United States

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