Extracellular Matrix News Volume 12.24 | Jun 24 2021

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    2021-06-24 | ECM 12.24


    Extracellular Matrix News by STEMCELL Technologies
    Vol. 12.24 – 24 June, 2021
    TOP STORY

    Mechanical Compartmentalization of the Intestinal Organoid Enables Crypt Folding and Collective Cell Migration

    Scientists mapped 3D cellular forces in mouse intestinal organoids grown on soft hydrogels and showed that these organoids exhibited a non-monotonic stress distribution that defined mechanical and functional compartments.
    [Nature Cell Biology]

    Abstract

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    Vimentin Intermediate Filaments Stabilize Dynamic Microtubules by Direct Interactions

    Investigators showed in a reconstituted in vitro system that vimentin intermediate filaments stabilized microtubules against depolymerization and supported microtubule rescue.
    [Nature Communications]

    Full ArticlePress Release

    Co-Evolution of Matrisome and Adaptive Adhesion Dynamics Drives Ovarian Cancer Chemoresistance

    Using cell models from systematic ECM screen to collagen-based 2D and 3D cultures, the authors demonstrated that both specific ECM substrates and stiffness increased resistance to platinum-mediated, apoptosis-inducing DNA damage via FAK and β1 integrin-pMLC-YAP signaling.
    [Nature Communications]

    Abstract

    The Spatial Arrangement of Cells in a 3D-Printed Biomimetic Spinal Cord Promotes Directional Differentiation and Repairs the Motor Function after Spinal Cord Injury

    Scientists investigated the benefit of a combined-tissue engineering strategy by loading homologous bone MSCs and Schwann cells in 3D scaffolds.
    [Biofabrication]

    Abstract

    Msi1 Promotes Breast Cancer Metastasis by Regulating Invadopodia-Mediated Extracellular Matrix Degradation via the Timp3–Mmp9 Pathway

    Investigators found that the RNA-binding protein Musashi1 (Msi1) deficiency decreased the expression and activity of Mmp9, an important enzyme in ECM degradation.
    [Oncogene]

    Abstract

    Pan-Cancer Characterization of lncRNA Modifiers of Immune Microenvironment Reveals Clinically Distinct De Novo Tumor Subtypes

    The impact of long noncoding RNA expression on immune-related molecular and cellular components in the tumor immune microenvironment (TIME) at the pan-cancer level was systematically investigated and lncRNA modifier candidates of infiltrating immune cells within the TIME were identified.
    [npj Genomic Medicine]

    Full Article

    Inhibition of Host Ogr1 Enhances Effector CD8+ T-cell Function by Modulating Acidic Microenvironment

    A highly acidified microenvironment of melanoma induced the expression of G-protein-coupled receptor in T cells, which weakened their effective function and promoted tumor growth.
    [Cancer Gene Therapy]

    Full Article

    Glucocorticoid-Mediated Induction of Caveolin-1 Disrupts Cytoskeletal Organization, Inhibits Cell Migration and Re-Epithelialization of Non-Healing Wounds

    Scientists demonstrated that both diabetic foot ulcers and venous leg ulcers exhibited global deregulation of cytoskeletal organization in genomic comparison to normal skin and acute wounds.
    [Communications Biology]

    Full Article

    Assessment of Reliability and Validity of the 5-Scale Grading System of the Point-of-Care Immunoassay for Tear Matrix Metalloproteinase-9

    Researchers evaluated the reliability and validity of the 5-scale grading system to interpret the point-of-care immunoassay for tear matrix metalloproteinase-9.
    [Scientific Reports]

    Full Article

    Desmoglein-2 Harnesses a PDZ-GEF2/Rap1 Signaling Axis to Control Cell Spreading and Focal Adhesions Independent of Cell–Cell Adhesion

    The authors found that cells lacking the desmosomal cadherin Desmoglein-2 displayed a significant increase in spreading area on both fibronectin and collagen, compared to control A431 cells.
    [Scientific Reports]

    Full Article

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    REVIEWS

    Spindle Positioning and Its Impact on Vertebrate Tissue Architecture and Cell Fate

    Investigators focus on epithelial tissues, discussing the molecular mechanisms of mitotic spindle orientation in vertebrate cells, and how this machinery is regulated by epithelial cues and extracellular signals to maintain tissue cohesiveness during mitosis.
    [Nature Reviews Molecular Cell Biology]

    Abstract

    Building a Stem Cell-Based Primate Uterus

    Scientists discuss how stem cell-based uteri may be engineered from constituent cell parts, either as advanced self-organizing cultures, or by controlled assembly through microfluidic and print-based technologies.
    [Communications Biology]

    Full Article

    INDUSTRY AND POLICY NEWS

    3D Systems and CollPlant Enter Co-Development Agreement to Deliver Bioprinted Solutions for Improved Breast Reconstruction Treatments

    3D Systems, Inc.and CollPlant Biotechnologies announced they have signed a co-development agreement for a 3D bioprinted regenerative soft tissue matrix for use in breast reconstruction procedures in combination with an implant.
    [3D Systems, Inc.]

    Press Release

    FEATURED EVENT

    Genome Engineering and Synthetic Biology

    September 22 – 24, 2021
    Virtual

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    JOB OPPORTUNITIES

    Research Associate – Pulmonary

    Cedars-Sinai – Los Angeles, California, United States

    Research Assistant – Cancer Biology

    Eastern Virginia Medical School – Norfolk, Virginia, United States

    Postdoctoral Research Associate – Tissue Development and Regeneration

    University of Southern California – Los Angeles, California, United States

    Postdoctoral Position – Protective Tissue Factors in Autoimmune Diseases

    BioMed X Research Institute – Heidelberg, Germany

    Postdoctoral Fellow – Precision Oncology of Gastrointestinal Cancers

    City of Hope – Monrovia, California, United States

    > See All Jobs

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