Extracellular Matrix News Volume 12.07 | Feb 25 2021

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    2020-02-25 | ECM 12.07


    Extracellular Matrix News by STEMCELL Technologies
    Vol. 12.07 – 25 February, 2021
    TOP STORY

    Functional Skeletal Muscle Regeneration with Thermally Drawn Porous Fibers and Reprogrammed Muscle Progenitors for Volumetric Muscle Injury

    Muscle extracellular matrix (MEM) and induced skeletal myogenic progenitor cells (iMPCs) were integrated within thermally drawn fiber based microchannel scaffolds. The microchannel fibers decorated with MEM enhanced differentiation and maturation of iMPCs.
    [Advanced Materials]

    Abstract

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    KPT-330 Prevents Aortic Valve Calcification via a Novel C/EBPβ Signaling Pathway

    Researchers showed that KPT-330 prevented, attenuated and mitigated calcific nodule formation in heart valve interstitial cells in vitro, and prevented calcific aortic valve disease in Klotho-/- mice.
    [Circulation Research]

    Abstract

    Intraductal Xenografts Show Lobular Carcinoma Cells Rely on Their Own Extracellular Matrix and LOXL1

    Analysis of TCGA patient datasets showed matrisome signature was enriched in lobular carcinomas with overexpression of elastin, collagens, and the collagen modifying enzyme LOXL1.
    [EMBO Molecular Medicine]

    Full ArticleGraphical Abstract

    Tumor-Derived Osteopontin Drives the Resident Fibroblast to Myofibroblast Differentiation through Twist1 to Promote Breast Cancer Progression

    The authors report the crosstalk between cancer cells and stromal fibroblasts that leads to tumor progression. The process was initiated by secretion of a chemokine like protein, osteopontin from the cancer cells that differentiated the fibroblasts to myofibroblasts.
    [Oncogene]

    Abstract

    Elavl1 Impacts Osteogenic Differentiation and mRNA Levels of Genes Involved in ECM Organization

    Biological functions of Elavl1 during osteogenic differentiation of bone marrow derived MSCs (BMSCs) is not well-understood. The authors report that specific knockdown of nuclear localized Elavl1 by RNA interference in multipotent BMSCs led to increased osteogenic differentiation.
    [Frontiers in Cell and Developmental Biology]

    Full Article

    Basement Membrane Proteins Modulate Cell Migration on Bovine Pericardium Extracellular Matrix Scaffold

    By exploiting sideness (serous or fibrous surface) of antigen removed-bovine pericardium scaffolds, researchers aimed to determine the mechanism by which ECM niche influences human mesenchymal stem cell migration.
    [Scientific Reports]

    Full Article

    Mechano-Activation of Mesenchymal Stem Cells by Avoiding Intracellular Tensional Equilibrium on Matrix with Stiffness-Heterogeneity

    The authors showed that the mesenchymal stem cells (MSCs) nomadically migrating on a microelastically-patterned matrix with stiffness-heterogeneity markedly amplified intracellular stress dynamics fluctuations and clearly activated a wide variety of gene expressions relating to vigorousness of the cell.
    [Biophysical Journal]

    Abstract

    Fibronectin Fibril Alignment Is Established upon Initiation of Extracellular Matrix Assembly

    Researchers investigated the initiation of fibronectin (FN) matrix assembly using fibroblasts that assembled parallel extracellular matrix fibrils and found that matrix assembly sites, where FN fibrillogenesis is initiated, were oriented in parallel at the cell poles.
    [Molecular Biology of the Cell]

    Abstract

    Accelerated In Vitro Recellularization of Decellularized Porcine Pericardium for Cardiovascular Grafts

    Decellularized porcine pericardium scaffolds were modified by growing a fibrin mesh on the surface and inside the scaffolds, and by attaching heparin and human vascular endothelial growth factor to this mesh. Then the scaffolds were seeded with human adipose tissue-derived stem cells.
    [Biomedical Materials]

    Abstract

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    REVIEWS

    Targeting Tumor-Associated Macrophages to Synergize Tumor Immunotherapy

    Scientists summarize recent studies investigating the involvement of tumor-associated macrophages in immune checkpoint inhibition, tumor vaccines and adoptive cell transfer therapies.
    [Signal Transduction and Targeted Therapy]

    Full Article

    Advantages of Targeting the Tumor Immune Microenvironment over Blocking Immune Checkpoint in Cancer Immunotherapy

    Targeting the tumor immune microenvironment, alone or in combination with immune checkpoint-targeting drugs, might benefit cancer patients in the future.
    [Signal Transduction and Targeted Therapy]

    Full Article

    A Guide to the Composition and Functions of the Extracellular Matrix

    This guide on the composition and functions of the ECM gives a broad overview of the matrisome, the major ECM macromolecules and their interaction networks within the ECM and with the cell surface, summarizes their main structural features and their roles in tissue organization and cell functions, and emphasizes the importance of specific ECM constituents in disease development and progression as well as the advances in molecular targeting of ECM to design new therapeutic strategies.
    [FEBS Journal]

    Abstract

    INDUSTRY AND POLICY NEWS

    Jubilant Therapeutics Announces Research Collaboration with Boston Children’s Hospital, Harvard Medical School, to Evaluate PAD4 Inhibitors in Autoimmune/Inflammation Disease Models

    Jubilant Therapeutics Inc. announced a collaboration with Boston Children’s Hospital to evaluate peptidyl arginine deiminase 4 (PAD4) inhibitors under development by Jubilant Therapeutics to explore the modulation of neutrophil extracellular traps in preclinical models of neutrophil regulation and rheumatoid arthritis.
    [Jubilant Therapeutics Inc. (PR Newswire Association LLC.)]

    Press Release

    FEATURED EVENT

    ISSCR: Stem Cells – From Basic Science to Clinical Translation

    October 27 – 29, 2021
    Tokyo, Japan

    > See All Events

    JOB OPPORTUNITIES

    Postdoctoral Fellow – Wound Healing and/or Dermatology

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

    Postdoctoral Fellow – p53 and Metabolism

    The Francis Crick Institute – London, England, United Kingdom

    Postdoctoral Position – Osteoporosis

    University of Southern Denmark – Odense M, Denmark

    Postdoctoral Fellow – Immunogenetics and Tumor Immunology

    The University of Texas Southwestern Medical Center – Dallas, Texas, United States

    Postdoctoral Research Fellow – Scaffold-Based 3D Model of Neurodegeneration

    Merck Sharp and Dohme Limited – London, England, United Kingdom

    > See All Jobs

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