Intestinal Cell News Volume 8.40 | Nov 18 2022

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    2022-11-18 | ICN 8.40


    Intestinal Cell News by STEMCELL Technologies
    Vol. 8.40 – 18 November, 2022
    TOP STORY

    Colon Tumor Cell Death Causes mTOR Dependence by Paracrine P2X4 Stimulation

    Investigators demonstrated that chemotherapy-induced tumor cell death in patient-derived colorectal tumor organoids caused ATP release triggering P2X4 to mediate an mTOR-dependent pro-survival program in neighboring cancer cells, which rendered surviving tumor epithelia sensitive to mTOR inhibition.
    [Nature]

    AbstractPress Release
    Immunofluorescence image of adult stem cell-derived intestinal organoids.
    PUBLICATIONSRanked by the impact factor of the journal

    Metastatic Recurrence in Colorectal Cancer Arises From Residual EMP1+ Cells

    Researchers uncovered the identity and features of the residual tumor cells responsible for colorectal cancer relapse.
    [Nature]

    AbstractPress Release

    GZMKhigh CD8+ T Effector Memory Cells Are Associated with CD15high Neutrophil Abundance in Non-Metastatic Colorectal Tumors and Predict Poor Clinical Outcome

    Scientists found that colorectal cancer tumors highly infiltrated by neutrophils contained a population of CD8+ T effector memory cells characterized by high levels of Granzyme K, which led to a worse prognosis.
    [Nature Communications]

    Full Article

    iASPP Suppression Mediates Terminal UPR and Improves BRAF-Inhibitor Sensitivity of Colon Cancers

    Researchers examined whether oncogene inhibitor of apoptosis stimulating protein of p53 (iASPP) regulated the adaptation-death switch and how the mechanisms could be used in colon cancer treatment.
    [Cell Death & Differentiation]

    Abstract

    EXOSC8 Promotes Colorectal Cancer Tumorigenesis via Regulating Ribosome Biogenesis-Related Processes

    Scientists investigated proliferation-prompting functions and mechanisms of EXOSC8 in colorectal cancer by performing in silico analysis and wet-lab experiments.
    [Oncogene]

    Abstract

    CXCL16 Inhibits Epithelial Regeneration and Promotes Fibrosis During the Progression of Radiation Enteritis

    The authors reported that CXCL16 was up-regulated in the injured intestinal tissues of radiation enteritis patients and in a mouse model.
    [Journal of Pathology]

    Abstract

    Rac1 Promotes the Reprogramming of Glucose Metabolism and the Growth of Colon Cancer Cells Through Up-Regulating SOX9

    Researchers revealed that Ras-related C3 botulinum toxin substrate 1 (Rac1) was highly expressed in colon cancer tissues and cell lines. Rac1 promoted the proliferation, migration, and invasion of colon cancer cells by upregulating SOX9.
    [Cancer Science]

    Abstract

    ERR-Activated GPR35 Promotes Immune Infiltration Level of Macrophages in Gastric Cancer Tissues

    Investigators found enhancer release and retargeting (ERR) event activated GPR35 resulted in gastric cancer cells proliferation and migration, and partly immune cells significance exhaustion and/or infiltration.
    [Cell Death Discovery]

    Full Article

    A Mitophagy-Related Gene Signature Associated with Prognosis and Immune Microenvironment in Colorectal Cancer

    Scientists examined the association between mitophagy-related genes and the prognosis of colorectal cancer patients.
    [Scientific Reports]

    Full Article

    Ribosomal Protein RPL5 Regulates Colon Cancer Cell Proliferation and Migration Through MAPK/ERK Signaling Pathway

    The expression level of ribosomal protein L5 (RPL5) in colon cancer tissues and cell lines was significantly higher than that in adjacent tissues and NCM460 cells, respectively, and its expression level was higher in HCT116 cells and RKO cells.
    [BMC Molecular and Cell Biology]

    Full Article

    Suspension Culture in a Rotating Bioreactor for Efficient Generation of Human Intestinal Organoids

    Researchers established a robust differentiation method into suspension-cultured human intestinal organoids by seeding dissociated cells on a spheroid-forming plate.
    [Cell Reports Methods]

    Full ArticleGraphical Abstract
    Webinar: Organoids as Models for Human Disease
    REVIEWS

    Bioelectric Regulation of Intestinal Stem Cells

    Scientists review and discuss the significance of in vivo studies which used the Drosophila gut to identify conserved pathways that link regulators of Ca2+, Na+, and Cl– with intestinal stem cell roliferation.
    [Trends in Cell Biology]

    Abstract

    Intestinal Epithelium in Early Life

    The authors discuss the normal development and function of the intestinal epithelium in early life as well as how disruption of these processes can lead to necrotizing enterocolitis.
    [Mucosal Immunology]

    Full Article

    Mouse Models of Kras Activation in Gastric Cancer

    Investigators summarize the genetically engineered mouse models in which Kirsten rat sarcoma viral oncogene homolog (Kras) is activated with cell-type and/or tissue-type specificity that are utilized for studying carcinogenic processes in gastric cancer as well as pancreatic cancer and colorectal cancer.
    [Experimental & Molecular Medicine]

    Full Article
    INDUSTRY AND POLICY NEWS

    Applied Molecular Transport Announces FDA Orphan Drug Designation Granted to AMT-101 for Treatment of Pouchitis

    Applied Molecular Transport, Inc. announced that the US FDA has granted Orphan Drug Designation for AMT-101 in patients with pouchitis, an indication with significant unmet medical needs and no current FDA-approved products.
    [Applied Molecular Transport, Inc.]

    Press Release

    Organovo Announces Target Validation Ahead of Schedule, Accelerating Timeline for First Crohn’s Disease Drug Candidates

    Organovo Holdings, Inc. announced that it has successfully advanced the use of its first inflammatory bowel disease model and has achieved the next milestone, target validation.
    [Organovo Holdings, Inc.]

    Press Release
    FEATURED EVENT

    ESMO Immuno-Oncology Congress 2022

    December 7 – 9, 2022
    Geneva, Switzerland

    > See All Events

    JOB OPPORTUNITIES

    PhD Student – Intestinal Cellular Plasticity

    Philipps-University Marburg – Marburg, Germany

    Postdoctoral Position – Molecular Epidemiology

    International Agency for Research on Cancer, WHO – Lyon, France

    Postdoctoral Associate – Human Intestinal Biology

    Baylor College of Medicine – Houston, Texas, United States

    Postdoctoral Fellow – Colorectal Cancer

    University of Texas MD Anderson Cancer Center – Houston, Texas, United States

    Senior Program Associate – Science in the City

    STEMCELL Technologies, Inc. – Boston, Massachusetts, United States

    > See All Jobs

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