Extracellular Matrix news Volume 14.29 | Jun 29 2023

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    2023-06-29 | DCN 14.29


    Extracellular Matrix News by STEMCELL Technologies
    Vol. 14.29 – 29 June, 2023
    TOP STORY

    Generation of Functionally Distinct T Cell Populations by Altering the Viscoelasticity of Their Extracellular Matrix

    Researchers showed that functionally distinct T cell populations can be generated from T cells that received the same stimulation by altering the viscoelasticity of their surrounding ECM.
    [Nature Biomedical Engineering]

    AbstractPress Release
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    Adhesion Tunes Speed and Persistence by Coordinating Protrusions and Extracellular Matrix Remodeling

    Using a multiplexed biophysical imaging approach for single-cell analysis of human cell lines, wthe authors showed how the subprocesses of adhesion, contractility, actin cytoskeletal dynamics, and matrix remodeling integrate to produce heterogeneous migration behaviors.
    [Developmental Cell]

    Full ArticleGraphical Abstract

    MXene Functionalized Collagen Biomaterials for Cardiac Tissue Engineering Driving iPSC-Derived Cardiomyocyte Maturation

    Conductive biohybrid platforms were engineered by blending collagen type I and 2D MXene (Ti3C2Tx) and afterwards covalently crosslinking; to harness the biofunctionality of the protein component and the increased stiffness and enhanced electrical conductivity that 2Dl titanium carbide provides.
    [NPJ 2D Materials And Applications]

    Abstract

    Collagen VI Deposition Mediates Stromal T Cell Trapping through Inhibition of T Cell Motility in the Prostate Tumor Microenvironmen

    Investigators showed that Collagen VI (Col VI) deposition correlated with stromal T cell density in human prostate cancer specimens. Motility of CD4+ T cells was completely ablated on purified Col VI surfaces when compared with Fibronectin and Collagen I.
    [Matrix Biology]

    Full Article

    Constriction Imposed by Basement Membrane Regulates Developmental Cell Migration

    The authors used the migration of the border cells of the Drosophila egg chamber to unravel a new role of encasing basement membrances in cell migration.
    [PLOS Biology]

    Full Article

    Loss of the Extracellular Matrix Protein Perlecan Disrupts Axonal and Synaptic Stability During Drosophila Development

    Researchers identified a role for Drosophila Perlecan in the maintenance of larval motoneuron axonal and synaptic stability. Loss of Perlecan caused alterations in the axonal cytoskeleton, followed by axonal breakage and synaptic retraction of neuromuscular junctions.
    [eLife]

    Full Article

    Differential Effects of Sugar and Fat on Adipose Tissue Inflammation

    To separate glucose effects from lipid effects on adipose tissue, researchers used an adipose-specific TXNIP knockout model where excess basal glucose influx into adipocytes led to modest increase in adiposity without using high fat diet.
    [iScience]

    AbstractFull ArticleGraphical Abstract

    Quantitative Proteomics Identifies Tumor Matrisome Signatures in Patients with Non-Small Cell Lung Cancer

    Using tissue from non-small cell lung cancer patients undergoing curative intent surgery, the authors characterized quantitative tumor-specific ECM proteome signatures by mass spectrometry.
    [Frontiers In Oncology]

    Full Article

    Development of a Novel Air–Liquid Interface Airway Tissue Equivalent Model for In Vitro Respiratory Modeling Studies

    Scientists reported the development and characterization of a physiologically relevant air–liquid interface 3D airway ‘organ tissue equivalent’ model with three novel features: native pulmonary fibroblasts, solubilized lung ECM, and hydrogel substrate with tunable stiffness and porosity.
    [Scientific Reports]

    Full Article

    Suspended Hydrogel Culture as a Method to Scale Up Intestinal Organoids

    The authors developed a method of culturing intestinal organoids within suspended basement membrane extracted hydrogels of various geometries, which streamlined the protocol, increases the scalability, enabled kinetic sampling, and improved culture uniformity without specialized equipment or additional expertise.
    [Scientific Reports]

    Full Article

    HTRA1 from OVX Rat Osteoclasts Causes Detrimental Effects on Endplate Chondrocytes Through NF-κB

    A rat ovariectomy model was used to induce estrogen deficiency. The experiments indicated that ovariectomy significantly promoted osteoclastogenesis and anabolism and catabolism changes in endplate chondrocytes.
    [Heliyon]

    Full Article
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    REVIEWS

    Biological Principles of Adult Degenerative Scoliosis

    The authors investigate the molecular mechanisms underlying adult degenerative scoliosis , with a focus on angiogenesis, inflammation, ECM remodeling, osteoporosis, sarcopenia, and biomechanical stress.
    [Trends In Molecular Medicine]

    Abstract

    Reshaping of the Tumor Microenvironment by Cellular Senescence: An Opportunity for Senotherapies

    Scientists discuss the different types of senescent cells present in the tumor microenvironment (TME) and how these senescent cells and their senescence-associated secretory phenotype reshape the TME, affect immune responses, and influence cancer progression.
    [Developmental Cell]

    AbstractGraphical Abstract
    INDUSTRY AND POLICY NEWS

    University Hospitals and Case Western Reserve University Research Teams Receive Collaborative Science Pilot Awards

    Three University Hospitals and Case Western Reserve University School of Medicine research teams recently received Collaborative Science Pilot Awards. The teams each received $50,000, funded by both institutions.
    [Case Western University]

    Press Release

    Engineering Team Wins 2023 Armstrong Fund for Science Award

    The interdisciplinary team of Cathal Kearney, assistant professor of biomedical engineering, and Govind Srimathveeravalli, assistant professor in mechanical and industrial engineering, has received the 2023 Armstrong Fund for Science Award.
    [University of Massachusetts Amherst]

    Press Release
    FEATURED EVENT

    2023 Biomechanics in Vascular Biology and Disease Conference GRC

    August 6 – 11, 2023
    South Hadley, Massachusetts, United States

    > See All Events

    JOB OPPORTUNITIES

    Postdoctoral Fellow – Tumor Microenvironment

    Francis Crick Institute – London, England, United Kingdom

    Assistant Professor – Biomanufacturing

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

    PhD Position – Metabolic Alterations in Skeletal Progenitors

    KU Leuven – Leuven, Belgium

    Lecturer – Bioengineering

    King’s College London – London, England, United Kingdom

    PhD Positions – Mechanical Pressure and Cell Regulation

    LAAS-CNRS – Toulouse, France

    > See All Jobs

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