Intestinal Cell News Volume 6.40 | Oct 16 2020

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    2020-10-16 | ICN 6.40


    Intestinal Cell News by STEMCELL Technologies
    Vol. 6.40 – 16 October, 2020
    TOP STORY

    Volumetric Compression Induces Intracellular Crowding to Control Intestinal Organoid Growth via Wnt/β-Catenin Signaling

    Researchers showed that volumetric compression regulated the growth of intestinal organoids by modifying intracellular crowding and elevating Wnt/β-catenin signaling.
    [Cell Stem Cell]

    AbstractPress ReleaseGraphical Abstract

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    PUBLICATIONSRanked by the impact factor of the journal

    SIRT1-Mediated Expression of CD24 and Epigenetic Suppression of Novel Tumor Suppressor miR-1185-1 Increases Colorectal Cancer Stemness

    Scientists report that NAD-dependent deacetylase sirtuin-1 (SIRT1) signaling regulated colorectal cancer (CRC) stemness by enhancing expression of CD24, a CRC stemness promoter.
    [Cancer Research]

    Abstract

    Elevated miR‐124‐3p in the Aging Colon Disrupts Mucus Barrier and Increases Susceptibility to Colitis by Targeting T‐Synthase

    Investigators evaluated alterations in the colon mucus layer in two, 16‐, and 24‐month‐old mice and aged humans. Aged colons showed defective intestinal mucosal barrier and changed mucus properties.
    [Aging Cell]

    Full Article

    LncRNA SNHG11 Promotes Gastric Cancer Progression by Activating Wnt/β-Catenin Pathway and Oncogenic Autophagy

    Long non-coding RNA small nucleolar host gene 11 (SNHG11) post-transcriptionally upregulated catenin beta 1 and autophagy related 12 through miR-483-3p/miR-1276, while the processing of pre-miR-483/pre-miR-1276 was hindered by SNHG11. SNHG11 induced GSK-3β ubiquitination through interacting with Cullin 4A to further activate the Wnt/β-catenin pathway.
    [Molecular Therapy]

    AbstractGraphical Abstract

    Molecular Biological Analysis of 5-FU-Resistant Gastric Cancer Organoids; KHDRBS3 Contributes to the Attainment of Features of Cancer Stem Cell

    Scientists established GC organoids (GCOs) and gradually treated them with higher concentrations of 5-FU. They successfully harvested four 5-FU-resistant GCOs, which were supported by significant changes in the expression of molecules related to 5-FU metabolism. Microarray analysis was peformed using three normal gastric organoids and three pairs of 5-FU-resistant and parental GCOs.
    [Oncogene]

    Abstract

    Long Noncoding RNA LINC01578 Drives Colon Cancer Metastasis through a Positive Feedback Loop with the NF‐κB/YY1 Axis

    Gain‐and loss‐of function assays revealed that LINC01578 enhanced colon cancer cell viability and mobility in vitro and colon cancer liver metastasis in vivo. Mechanistically, NF‐κB and YY1 directly bound to the LINC01578 promoter, enhanced its activity, and activated LINC01578 expression.
    [Molecular Oncology]

    Abstract

    Cir-ITCH Inhibits Gastric Cancer Migration, Invasion and Proliferation by Regulating the Wnt/β-Catenin Pathway

    cir-ITCH was shown to prevent gastric cancer tumourgenesis through the Wnt/β-catenin signalling pathway by sequestering miR-17.
    [Scientific Reports]

    Full Article

    Application of Smart Solid Lipid Nanoparticles to Enhance the Efficacy of 5-Fluorouracil in the Treatment of Colorectal Cancer

    The solid lipid nanoparticle(SLN)-loaded 5-FU was developed by utilizing a Strategic and unique Method to Advance and Refine the Treatment of colorectal cancer through hot and cold homogenization approach. The SLN was made of unique PEGylated lipids and combination of the surfactants.
    [Scientific Reports]

    Full Article

    BATF3 Promotes Malignant Phenotype of Colorectal Cancer through the S1PR1/p-STAT3/miR-155-3p/WDR82 Axis

    Artificial modulation of BATF3 was conducted to measure the malignant phenotypes of colorectal cancerc cells, while tumor-bearing mice were examined to determine the in vivo effects.
    [Cancer Gene Therapy]

    Abstract

    Long Noncoding RNA CA3-AS1 Suppresses Gastric Cancer Migration and Invasion by Sponging miR-93-5p and Targeting BTG3

    Luciferase reporter assays results showed that miR-93-5p was a direct target of CA3-AS1 in SGC-7901 and BCG-823. BTG3 was identified as a direct target gene of miR-93-5p. Restore experiments showed that CA3-AS1 upregulated the expression level of BTG3 and inhibited the gastric cancer cells invasion by sponging miR-93-5p.
    [Gene Therapy]

    Abstract

    Virtual Conference Exhibition: Organoids
    REVIEWS

    Transcriptional Programmes Underlying Cellular Identity and Microbial Responsiveness in the Intestinal Epithelium

    The authors review insights from mice and other vertebrate models into the transcriptional regulatory mechanisms underlying intestinal epithelial identity and microbial responsiveness, including DNA methylation, chromatin accessibility, histone modifications and transcription factors.
    [Nature Reviews Gastroenterology & Hepatology]

    Abstract

    INDUSTRY AND POLICY NEWS

    Targovax Announces that the ONCOS-102 and Durvalumab Trial Successfully Completes Part 1 in Colorectal Cancer

    Targovax ASA announced that the colorectal cancer cohort in part 1 of the ONCOS-102 and durvalumab trial in colorectal and platinum-resistant ovarian cancer that has spread to the peritoneum has met the pre-defined efficacy threshold of patients without progression at the end of week 24. The second part of the colorectal expansion cohort is now open for recruitment.
    [Tragovax]

    Press Release

    FEATURED EVENT

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    November 11 – November 13
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    JOB OPPORTUNITIES

    Postdoctoral Associate – Microbiome Analytics

    University of Minnesota – Minneapolis, Minnesota, United States

    Senior Research Technologist – Inflammation and immunity

    Lerner Research Institute – Cleveland, Ohio, United States

    Research Associate – Ex Vivo and In Vivo models of Colorectal Cancer

    Moffitt Cancer Center – Tempa, Florida, United States

    Postdoctoral Associate – The Relationship between Diet, Metabolism, Microbiome, and Colorectal Cancer

    Baylor College of Medicine – Houston, Texas, United States

    Assistant Research Professor – Molecular Diagnostics and Experimental Therapeutics

    City of Hope – Monrovia, California, United States

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