Extracellular Matrix News Volume 13.15 | Apr 21 2022

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    2022-04-21 | ECM 13.15


    Extracellular Matrix News by STEMCELL Technologies
    Vol. 13.15 – 21 April, 2022
    TOP STORY

    Macrophages Direct Cancer Cells through a LOXL2-Mediated Metastatic Cascade in Pancreatic Ductal Adenocarcinoma

    Researchers showed that while Loxl2 ablation had little effect on primary tumour development and growth, its loss significantly decreased metastasis and increased overall survival. They attributed this effect to non-cell autonomous factors, primarily ECM remodeling.
    [Gut]

    Full Article

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    Pressure and Stiffness Sensing Together Regulate Vascular Smooth Muscle Cell Phenotype Switching

    Scientists systematically studied the impact of matrix stiffness and hemodynamic pressure on vascular smooth muscle cells (VSMCs). They found that pressure and stiffness individually affected the VSMC phenotype.
    [Science Advances]

    Full Article

    Egr1 Is a 3D Matrix-Specific Mediator of Mechanosensitive Stem Cell Lineage Commitment

    The authors found a 3D matrix-specific mechanoresponsive mechanism for neural stem cell differentiation. Egr1 knockdown enhanced neurogenesis in stiff ECMs by driving β-catenin nuclear localization and activity in 3D, but not in 2D.
    [Science Advances]

    Full Article

    Grem1 Accelerates Nucleus Pulposus Cell Apoptosis and Intervertebral Disc Degeneration by Inhibiting TGF-β-Mediated Smad2/3 Phosphorylation

    The regulatory effects of Gremlin-1 (Grem1) on apoptosis were examined using siRNAs, flow cytometry, immunofluorescence, and western blotting.
    [Experimental & Molecular Medicine]

    Full Article

    Extracellular ATP Promotes Angiogenesis and Adhesion of TNBC Cells to Endothelial Cells via Up-Regulation of CTGF

    Investigators demonstrated that extracellular ATP treatment could upregulate the expression of connective tissue growth factors in both triple-negative breast cancer (TNBC) cells and endothelial cells.
    [Cancer Science]

    Abstract

    Effects of Ivacaftor on Systemic Inflammation and the Plasma Proteome in People with CF and G551D

    Scientists investigated the biology of cystic fibrosis (CF) transmembrane conductance regulator (CFTR) modulation and systemic effects of CFTR restoration by examining changes in circulating measurements of inflammation and growth and novel proteins with ivacaftor treatment.
    [Journal of Cystic Fibrosis]

    Abstract

    SIRT1 Restoration Enhances Chondrocyte Autophagy in Osteoarthritis through PTEN-Mediated EGFR Ubiquitination

    Researchers demonstrated that sirtuin 1 (SIRT1) repressed the ubiquitination of epidermal growth factor receptor (EGFR) by down-regulating phosphatase and tensin homolog (PTEN), inhibited ECM degradation, and activated chondrocyte autophagy, thereby performing an osteoarthritis-alleviating role.
    [Cell Death Discovery]

    Full Article

    Liver Tumor-Initiating Cells Initiate the Formation of a Stiff Cancer Stem Cell Microenvironment Niche by Secreting LOX

    The authors reported that the voltage-gated calcium channel α2δ1 subunit-positive tumor-initiating cells of hepatocellular carcinoma specifically secreted LOX, which led to the crosslinking of collagen, forming a stiff ECM that was sufficient to drive the formation of tumor-initiating cells with a stiff mechanical trait.
    [Carcinogenesis]

    AbstractGraphical Abstract

    MFG-E8 Alleviates Intervertebral Disc Degeneration by Suppressing Pyroptosis and Extracellular Matrix Degradation in Nucleus Pulposus Cells via Nrf2/TXNIP/NLRP3 Axis

    Investigators found that milk fat globule-EGF factor-8 (MFG-E8)’s expression was reduced in degraded nucleus pulposus tissues of humans and rats as well as hydrogen peroxide-treated nucleus pulposus cells.
    [Cell Death Discovery]

    Full Article

    Coriander (Coriandrum sativum L.) Essential Oil and Oil-Loaded Nano-Formulations as an Anti-Aging Potentiality via TGFβ/SMAD Pathway

    Researchers investigated the biochemical effect of the cosmetic potential of selected Apiaceous essential oils, traditionally used for skincare, by evaluating their anti-wrinkle activity.
    [Scientific Reports]

    Full Article

    TRAF3IP2 Regulated by FOXO4 Affects Fibroblast Proliferation, Migration and Extracellular Matrix Deposition in Keloid through the TGF-β1/Smad Pathway

    IL-17 was utilized to induce human keloid fibroblasts and normal dermal fibroblasts. With the application of RT-qPCR and Western blot, TRAF3IP2 expression was detected.
    [Journal of Cosmetic Dermatology]

    Abstract

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    REVIEWS

    Viscoelastic Biomaterials for Tissue Regeneration

    The authors provide an overview of the role of matrix viscoelasticity in directing cell behavior towards regenerative outcomes, highlight recent strategies utilizing viscoelastic hydrogels for regenerative therapies.
    [Tissue Engineering Part C-Methods]

    Abstract

    Fibroblasts Orchestrate Cellular Crosstalk in the Heart through the ECM

    Investigators discuss how the development of therapeutics to combat cardiac diseases, specifically fibrosis, relies on a deeper understanding of how the cardiac ECM is intertwined with signaling processes that underlie cellular activation and behavior.
    [Nature Cardiovascular Research]

    Abstract

    INDUSTRY AND POLICY NEWS

    Rutgers Researchers Partner with Cultivated Meat Company to Create Sustainable, Environmentally Friendly, Low-Cost Meat

    A pair of Rutgers researchers will collaborate with Atelier Meats, a biotechnology company, to develop and produce lab-grown, structured meats. Mao and Freeman will assist in the development of Atelier’s proprietary technology to develop a process to produce lab-grown/cultivated meats.
    [Rutgers University]

    Press Release

    University of Iowa Professor to Research Collaborative Regenerative Medicine in Ireland

    A University of Iowa professor, Dr. James Ankrum, will travel to Ireland for a collaborative effort aimed at advancing research in the field of regenerative medicine.
    [The Daily Iowan]

    Press Release

    FEATURED EVENT

    Tissue Fibrosis and Repair

    June 12 – 16, 2022
    Keystone, Colorado, United States

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    JOB OPPORTUNITIES

    Research Associate – Circadian and Cell Biology

    University of Manchester – Manchester, England, United Kingdom

    Research Scientist – Pancreatic Adenocarcinoma Tumor Microenvironment

    Albert Einstein College of Medicine – New York, New York, United States

    PhD Position – Tumor Immunology

    University Hospital Carl Gustav Carus Dresden – Dresden, Germany

    Faculty Position – Tissue Engineering

    Mayo Clinic – Jacksonville, Florida, United States

    Postdoctoral Fellows – Molecular Cardiology

    University of California, San Diego – La Jolla, California, United States

    > See All Jobs

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