Muscle Cell News Volume 5.29 | Aug 17 2020

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    MUSCN 5.29 | Aug 17


    Muscle Cell News by STEMCELL Technologies
    Vol. 5.29 – 17 August, 2020
    TOP STORY

    Vulnerability of Progeroid Smooth Muscle Cells to Biomechanical Forces Is Mediated by MMP1

    The authors developed a microfluidic chip formed by Hutchinson-Gilford Progeria Syndrome-smooth muscle cells generated from induced pluripotent stem cells, to study their vulnerability to flow shear stress.
    [Nature Communications]

    Full Article

    a6b79c2b-118d-4b2b-a71e-6239c561b622_ON810MYO-MyoCult
    PUBLICATIONSRanked by the impact factor of the journal

    Endogenous Retrovirus-Derived lncRNA BANCR Promotes Cardiomyocyte Migration in Humans and Non-Human Primates

    Researchers used primate pluripotent stem-cell-derived cardiomyocytes that mimicked fetal cardiomyocytes in vitro to discover hundreds of endogenous retrovirus transcripts from the primate-specific MER41 family.
    [Developmental Cell]

    Full Article

    In Situ Differentiation of Human-Induced Pluripotent Stem Cells into Functional Cardiomyocytes on a Coaxial PCL-Gelatin Nanofibrous Scaffold

    Contractions of differentiated cardiomyocytes were observed in 2D cultures after two weeks and in 3D cultures after four weeks.
    [Materials Science and Engineering: C]

    Abstract

    Additive Manufacturing Enables Production of De Novo Cardiomyocytes by Controlling Embryoid Body Aggregation

    Investigators demonstrated the production of cardiomyocytes by using high definition direct writing technologies to influence embryoid bodies aggregation from stem cells.
    [Bioprinting]

    Abstract

    Baicalein Attenuates Cardiac Hypertrophy in Mice via Suppressing Oxidative Stress and Activating Autophagy in Cardiomyocytes

    In cardiomyocytes, isoproterenol treatment markedly increased reactive oxygen species and inhibited autophagy, which were greatly alleviated by pretreatment with baicalein.
    [Acta Pharmacologica Sinica]

    Abstract

    Aligned Nanofiber Scaffolds Improve Functionality of Cardiomyocytes Differentiated from Human Induced Pluripotent Stem Cell-Derived Cardiac Progenitor Cells

    Researchers focused on using Wnt inhibitors to study the differentiation of human iPSC-cardiac progenitor cells under 2D or 3D culture conditions.
    [Scientific Reports]

    Full Article

    Regulation of Myonuclear Positioning and Muscle Function by the Skeletal Muscle-Specific CIP Protein

    Skeletal muscle-specific CIP was localized to the centrosome in myoblasts and relocated to the outer nuclear envelope in myotubes upon differentiation.
    [Proceedings of the National Academy of Sciences of the United States of America]

    Full Article

    Large-Scale Spontaneous Self-Organization and Maturation of Skeletal Muscle Tissues on Ultra-Compliant Gelatin Hydrogel Substrates

    Scientists showed that C2C12 myoblasts spontaneously organized into highly aligned myotube tissues on the mm to cm scale, when cultured on sufficiently soft yet fully isotropic gelatin hydrogel substrates.
    [Scientific Reports]

    Full Article

    Preliminary Engineering for In Situ In Vivo Bioprinting: A Novel Micro Bioprinting Platform for In Situ In Vivo Bioprinting at a Gastric Wound Site

    The two-layer tissue scaffolds were printed in a stomach model. Gelatin-alginate hydrogels with human gastric epithelial cells and human gastric smooth muscle cells were used as bioinks to mimic the anatomical structure of a stomach.
    [Biofabrication]

    Full Article

    The MicroRNA miR-134-5p Induces Calcium Deposition by Inhibiting Histone Deacetylase 5 in Vascular Smooth Muscle Cells

    Researchers report that the microRNA miR‐134‐5p potentiated inorganic phosphate‐induced calcium deposition in vascular smooth muscle cells by inhibiting histone deacetylase 5.
    [Journal of Cellular and Molecular Medicine]

    Full Article

    Deglycosylated Azithromycin Targets Transgelin to Enhance Intestinal Smooth Muscle Function

    Scientists showed that the binding of deglycosylated-azithromycin to transgelin enhanced the contractility of intestinal smooth muscle cells by facilitating the assembly of actin filaments into tight bundles and stress fibers.
    [iScience]

    AbstractGraphical Abstract

    51078b28-8a06-404f-a411-23c10ab9c25e_ON678MSC-STEMdiff-Cardiomyocyte-645x110-For_CXN
    REVIEWS

    Exercise and Cardiac Health: Physiological and Molecular Insights

    The authors provide a comprehensive review of the cardiac effects of physical activity, beginning with a brief history of exercise in cardiovascular medicine and then discussing seminal work on the physiological effects of exercise in healthy, diseased and aged hearts.
    [Nature Metabolism]

    Abstract

    INDUSTRY AND POLICY NEWS

    Scholar Rock Announces that SRK-015 has Received Rare Pediatric Disease Designation from US FDA for the Treatment of Spinal Muscular Atrophy

    Scholar Rock, Inc. announced that the FDA has granted Rare Pediatric Disease designation for SRK-015 for the treatment of Spinal Muscular Atrophy, a progressive, rare genetic disease that leads to motor function impairments.
    [Scholar Rock, Inc.]

    Press Release

    FEATURED EVENT

    NCRI 2020: Virtual Showcase

    November 2 – November 3
    Virtual

    > See All Events

    JOB OPPORTUNITIES

    In Vitro Scientist – Atherosclerosis and Cardiovascular Research

    Novo Nordisk A/S – Måløv, Denmark

    Postdoctoral Position – Cardiovascular and Cardiomyopathy Research

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

    Postdoctoral Fellow – Therapeutic Genetics in Congenital Muscular Dystrophy

    UPMC Children’s Hospital of Pittsburgh – Pittsburgh, Pennsylvania, United States

    Postdoctoral Position – Cardiovascular and Cardiomyopathy Research

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

    Postdoctoral Fellow – Cardiac Regeneration

    Duke University – Durham, North Carolina, United States

    > See All Jobs

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