Pancreatic Cell News Volume 14.01 | Jan 10 2023

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    2023-01-10 | PACN 14.01


    Pancreatic Cell News by STEMCELL Technologies
    Vol. 14.01 – 10 January, 2023
    TOP STORY

    Copper-Dependent Autophagic Degradation of GPX4 Drives Ferroptosis

    Scientists reported an unexpected role for copper in promoting ferroptotic cell death, but not cuproptosis, by inducing macroautophagic/autophagic degradation of glutathione peroxidase 4 (GPX4).
    [Autophagy]

    Full Article
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    CAMSAP2 Localizes to the Golgi Apparatus in Pancreatic β-Cells to Facilitate Golgi-Endoplasmic Reticulum Trafficking and Support Robust Insulin Secretion

    Researchers reported that knockdown of calmodulin-regulated Spectrin-Associated Protein (CAMSAP)2 in primary β-cells reduced total insulin content and attenuated GSIS without affecting the releasability of insulin vesicles.
    [iScience]

    AbstractFull ArticleGraphical Abstract

    Perfluorooctane Sulfonate-Induced Oxidative Stress Contributes to Pancreatic β-Cell Apoptosis by Inhibiting Cyclic Adenosine Monophosphate Pathway: Prevention by Pentoxifylline

    Chronic exposure of INS-1 cells or human pancreatic 1.1b4 β-cells to perfluorooctane sulfonate stimulated the small G-protein RAC1-guanosine triphosphate-dependent nicotinamide adenine dinucleotide phosphate oxidase subunit expression and activation.
    [Environmental Pollution]

    Full ArticleGraphical Abstract

    Enhanced Glutaminolysis Drives Hypoxia-Induced Chemoresistance in Pancreatic Cancer

    To identify antifibrotic drug targets, investigators integrated progressive transcriptomic and morphological responses that accompany hepatic stellate cells activation in advanced disease using single-nucleus RNA sequencing and tissue clearing in a robust murine NASH model.
    [Science Translational Medicine]

    AbstractPress Release

    Muc4 Loss Mitigates Epidermal Growth Factor Receptor Activity Essential for PDAC Tumorigenesis

    Scientists generated a unique Esai-CRISPR-based mucin4 (Muc4) conditional knockout murine model to evaluate its effect on PDAC pathology.
    [Oncogene]

    Abstract

    Generation of the Novel Anti-FXYD5 Monoclonal Antibody and Its Application to the Diagnosis of Pancreatic and Lung Cancer

    To generate specific antibodies that bind to proteins expressed on the surface of pancreatic cancer cells, researchers immunized mice with human pancreatic cancer MIA PaCa-2 cells, and isolated a hybridoma that produces a monoclonal antibody, named 12–13.8.
    [Biochimie]

    Full Article

    Islet Amyloid Polypeptide Does Not Suppress Pancreatic Cancer

    PANC-1, MIA PaCa-2, and H1299 cells were treated with rodent islet amyloid polypeptide (IAPP), and the IAPP analogs pramlintide and davalintide, and assayed for changes in proliferation, death, and glycolysis.
    [Molecular Metabolism]

    Full Article

    IL-6 Accelerates the Proliferation and Metastasis of Pancreatic Cancer Cells via the miR-455-5p/IGF-1R Axis

    miR-455-5p levels were first tested by RT-qPCR in pancreatic cancer (PaC) tissues or cells. Subsequently, PaC cell-related functions were identified through CCK-8, Transwell, and Western blotting.
    [Cancer Biotherapy And Radiopharmaceuticals]

    Abstract

    HNF4G Stimulates the Development of Pancreatic Cancer by Promoting IGF2BP2 Transcription

    HNF4G and IGF2BP2 expressions in pancreatic cancer were examined. The relationship between HNF4G expression and pancreatic cancer patients’ clinicopathological characteristics was evaluated.
    [Clinical And Translational Oncology]

    Abstract
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    REVIEWS

    Context-Specific Determinants of the Immunosuppressive Tumor Microenvironment in Pancreatic Cancer

    The authors provide evidence that the diverse tumor microenvironments of pancreatic cancer is a central executor of various different context-dependent modes of immunosuppression.
    [Cancer Discovery]

    Abstract

    Inflammatory and Immune Etiology of Type 2 Diabetes

    Investigators propose that a significant proportion of individuals may harbor an immune profile that renders them susceptible to developing type 2 diabetes.
    [Trends In Immunology]

    Abstract

    Preclinical to Clinical Utility of ROCK Inhibitors in Cancer

    ROCK belongs to the AGC family of Ser/Thr protein kinases that are involved in many cellular processes. ROCK-driven actomyosin contractility regulates cytoskeletal dynamics underpinning cell migration, proliferation, and survival in many cancer types.
    [Trends In Cancer]

    Full Article
    INDUSTRY AND POLICY NEWS

    Diabetes Artificial Pancreas Tech Recommended for Thousands on NHS

    More than 100,000 people in England and Wales with type 1 diabetes could soon be offered new technology to manage their condition on the NHS. The system uses a glucose sensor under the skin to automatically calculate how much insulin is delivered via a pump.
    [BBC]

    Press Release

    Professor Roy Taylor Awarded MBE for Services To Diabetes Research

    Congratulations to Diabetes UK-funded researcher Professor Roy Taylor, who has been awarded an MBE in the New Year Honors list, recognizing his world-leading work in diabetes research.
    [Diabetes UK]

    Press Release
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    JOB OPPORTUNITIES

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    Aspect Biosystems – Vancouver, British Columbia, Canada

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    Stanford Medicine – Stanford, California, United States

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