Extracellular Matrix News Volume 11.45 | Nov 17 2022

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    2022-11-16 | ECM 13.45


    Extracellular Matrix News by STEMCELL Technologies
    Vol. 11.45 – 17 November, 2022
    TOP STORY

    Programmable Integrin and N-Cadherin Adhesive Interactions Modulate Mechanosensing of Mesenchymal Stem Cells by Cofilin Phosphorylation

    Scientists established a DNA-driven cell culture platform that could be programmed to present the RGD peptide from fibronectin, mimicking cell-ECM interactions, and the HAVDI peptide from N-cadherin, mimicking cell-cell interactions.
    [Nature Communications]

    Full Article
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    PUBLICATIONSRanked by the impact factor of the journal

    EpCAM Proteolysis and Release of Complexed Claudin-7 Repair and Maintain the Tight Junction Barrier

    Investigators showed that proteinases played an important role in the maintenance of the epithelial barrier. Their results revealed a novel mechanism of tight junction (TJ) maintenance through the localized proteolysis of EpCAM at TJ leaks.
    [Journal of Cell Biology]

    Abstract

    Biomimetic Extracellular Matrix Nanofibers Electrospun with Calreticulin Promote Synergistic Activity for Tissue Regeneration

    The authors incorporated calreticulin (CRT) via polyblend electrospinning into polycaprolactone/type 1 collagen nanofibers as biomimetic ECMs to provide a novel mode of delivery and protection of CRT with enhanced synergistic activities for tissue regeneration.
    [ACS Applied Materials & interfaces]

    AbstractGraphical Abstract

    Radiofrequency Ablation Remodels the Tumor Microenvironment and Promotes Neutrophil-Mediated Abscopal Immunomodulation in Pancreatic Cancer

    Investigators found that radiofrequency ablation reduced pancreatic ductal adenocarcinoma tumor progression in vivo and promoted strong tumor microenvironment remodeling.
    [Cancer Immunology Research]

    Abstract

    Lipoplex-Functionalized Thin-Film Surface Coating Based on Extracellular Matrix Components as Local Gene Delivery System to Control Osteogenic Stem Cell Differentiation

    The functionalization of the multilayer with lipoplexes encapsulating DNA encoding for transient expression of bone morphogenetic protein 2 induced osteogenic differentiation of MSCs.
    [Advanced Healthcare Materials]

    Abstract

    Characterization of a Bioscaffold Containing Polysaccharide Acemannan and Native Collagen for Pulp Tissue Regeneration

    The acemannan and native collagen-scaffold’s biocompatibility, growth factor secretion, osteogenic protein expression, and calcification were evaluated in vitro.
    [International Journal of Biological Macromolecules]

    Abstract

    Bioengineering Strategies for 3D Bioprinting of Tubular Construct Using Tissue-Specific Decellularized Extracellular Matrix

    Researchers used an innovative approach to recycle the discarded varicose vein for isolation of endothelial cells and decellularization of the same sample to formulate the decellularized ECM bioink.
    [International Journal of Biological Macromolecules]

    Full ArticleGraphical Abstract

    Efficiency and Safety of Dextran-PAMAM/siMMP-9 Complexes for Decreasing Matrix Metalloproteinase-9 Expression and Promoting Wound Healing in Diabetic Rats

    Investigators used dextran conjugated with poly(amidoamine) (Dextran-PAMAM) as a gene carrier to deliver MMP-9 targeted siRNA (siMMP-9). The prepared complexes could be endocytosed with low cytotoxicity to HaCat cells.
    [Bioconjugate Chemistry]

    Abstract

    The Optimization of PLGA Knitted Mesh Reinforced-Collagen/Chitosan Scaffold for the Healing of Full-Thickness Skin Defects

    A full-thickness skin wound model was established in Sprague Dawley rats to evaluate the therapeutic effects of different poly(lactic-co-glycolic) acid (PLGA) knitted mesh-collagen-chitosan scaffold against collagen-based scaffold.
    [Journal of Biomedical Materials Research Part B-Applied Biomaterials]

    Full Article
    Activate, expand, and differentiate your cells with cytokines, chemokines, and growth factors from STEMCELL Technologies.
    REVIEWS

    Extracellular-Matrix Mechanics Regulate Cellular Metabolism: A Ninja Warrior behind Mechano-Chemo Signaling Crosstalk

    Scientists summarize the establishment and regulation of ECM stiffness, the mechanisms underlying how ECM stiffness is sensed by cells, and signals to modulate diverse cell metabolic pathway.
    [Reviews in Endocrine and Metabolic Disorders]

    Abstract
    INDUSTRY AND POLICY NEWS

    Study Examines Role of Arterial Stiffness in Disease

    A University at Buffalo researcher has been awarded a National Heart, Lung and Blood Institute grant to explore how changes in arterial stiffness elicit vascular smooth muscle cell behaviors that contribute to cardiovascular disease.
    [University at Buffalo]

    Press Release
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