Intestinal Cell News Volume 7.46 | Dec 03 2021

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    2021-12-03 | ICN 7.46


    Intestinal Cell News by STEMCELL Technologies
    Vol. 7.46 – 3 December, 2021
    TOP STORY

    Microbiota-Specific T Follicular Helper Cells Drive Tertiary Lymphoid Structures and Anti-tumor Immunity against Colorectal Cancer

    The composition of the intestinal microbiota is associated with both the development of tumors and the efficacy of anti-tumor immunity. Researchers examined the impact of microbiota-specific T cells in anti-colorectal cancer immunity.
    [Immunity]

    AbstractGraphical AbstractPress Release

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    A Tumor-Resident Lgr5+ Stem-Cell-Like Pool Drives the Establishment and Progression of Advanced Gastric Cancers

    Scientists showed that Cldn18 tumors accurately recapitulated advanced human gastric cancer in terms of disease morphology, aberrant gene expression, molecular markers and sites of distant metastases.
    [Nature Cell Biology]

    Abstract

    Dietary Excess Regulates Absorption and Surface of Gut Epithelium through Intestinal PPARα

    Researchers reported that food amount was a positive determinant of the gut surface area contributing to an increased absorptive function, reversible by reducing daily food.
    [Nature Communications]

    Full ArticlePress Release

    SMAD4 Mutations Do Not Preclude Epithelial–Mesenchymal Transition in Colorectal Cancer

    It was widely assumed that SMAD4-mutant (SMAD4mut) cancer cells were unable to undergo epithelial-mesenchymal transition (EMT). The authors scrutinized this notion and probed for potential SMAD4-independent EMT execution using SMAD4mut colorectal cancer cell lines.
    [Oncogene]

    Full Article

    JNK-Mediated Ser27 Phosphorylation and Stabilization of SIRT1 Promote Growth and Progression of Colon Cancer through Deacetylation-Dependent Activation of Snail

    Scientists found that both Sirtuin 1 (SIRT1) and SIRT1 phosphorylated on serine 27 were coordinately upregulated in colon cancer patients’ tissues and human colon cancer cell lines.
    [Molecular Oncology]

    AbstractFull Abstract

    A Combination of Circulating microRNA-375-3p and Chemokines CCL11, CXCL12, and G-CSF Differentiate Crohn’s Disease and Intestinal Tuberculosis

    miR-375-3p, the pulmonary tuberculosis specific marker was found in higher amount in the plasma of intestinal tuberculosis patients than Crohn’s disease while reverse expression was observed in the ileocaecal/terminal ileal tissues of the same patients.
    [Scientific Reports]

    Full Article

    Responses of Increasingly Complex Intestinal Epithelium In Vitro Models to Bacterial Toll-Like Receptor Agonists

    Researchers studied IL-8 secretion, as a marker of pro-inflammatory response through the Toll-like receptor (TLR) pathway, in a Caco-2 monoculture, Caco-2/HT29-MTX di-culture, Caco-2/HT29-MTX/HMVEC-d tri-culture and in a HT29-p monoculture in response to exposure to various TLR agonists.
    [Toxicology in Vitro]

    Full Article

    Effects of Valerate on Intestinal Barrier Function in Cultured Caco-2 Epithelial Cell Monolayers

    Valerate, a short-chain fatty acids mainly converted from proteins or amino acids, was demonstrated to promote intestinal barrier function at its physiological concentrations of 0–4 mM in the Caco-2 cell monolayer model of intestinal barrier.
    [Molecular Biology Reports]

    Abstract

    MicroRNA miR-145-5p Regulates Cell Proliferation and Cell Migration in Colon Cancer by Inhibiting Chemokine (C-X-C Motif) Ligand 1 and Integrin α2

    Scientists investigated the regulatory function of microRNA miR-145-5p in colon cancer (CC) cells. Bioinformatics analysis was used to screen key genes in CC.
    [Bioengineered]

    Full Article

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    REVIEWS

    An Overview and Bibliometric Analysis on the Colorectal Cancer Therapy by Magnetic Functionalized Nanoparticles for the Responsive and Targeted Drug Delivery

    The authors outline the current challenges and forthcoming research perspective for high performance and fostering advanced magnetic nanoparticles in colorectal cancer treatment.
    [Journal of Nanobiotechnology]

    Full ArticleGraphical Abstract

    Interaction between Commensal Bacteria, Immune Response and the Intestinal Barrier in Inflammatory Bowel Disease

    Scientists summarize the changes brought about by the changes of commensal bacteria to the inflammation of the intestines and their mutual influence.
    [Frontiers in Immunology]

    Full Article

    INDUSTRY AND POLICY NEWS

    Medtronic Receives Health Canada Licence for GI Genius Intelligent Endoscopy Module with Artificial Intelligence System for Colonoscopy

    Medtronic Canada ULC, announced that it has received a Health Canada licence for the GI Geniusâ„¢ intelligent endoscopy module. GI Genius is a computer-aided detection system that uses artificial intelligence to highlight regions of the colon suspected to have visual characteristics consistent with different types of mucosal abnormalities.
    [Medtronic Canada ULC (BioSpace, Inc.)]

    Press Release

    FEATURED EVENT

    The Autoimmunity Conference

    December 5 – 9, 2021
    Jupiter, Florida, United States

    > See All Events

    JOB OPPORTUNITIES

    PhD Scholar – Translational Biomedicine

    Technical University of Denmark – Lyngby, Denmark

    Postdoctoral Fellow – Cancers and Infections

    Lund University РMalm̦, Sweden

    Professor – Gut-Liver Axis

    KU Leuven – Leuven, Belgium

    Postdoctoral Research Fellow – Bioinformatics

    The University of British Columbia – Vancouver, British Columbia, Canada

    Postdoctoral Fellow – Epithelial Cell Physiology

    University of Houston – Houston, Texas, United States

    > See All Jobs

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