Muscle Cell News Volume 6.02 | Jan 18 2021

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    2021-06-01 | MUSCN 6.02


    Muscle Cell News by STEMCELL Technologies
    Vol. 6.02 – 18 January, 2021
    TOP STORY

    Deep Muscle-Proteomic Analysis of Freeze-Dried Human Muscle Biopsies Reveals Fiber Type-Specific Adaptations to Exercise Training

    Researchers developed a workflow enabling proteomics analysis of pools of isolated muscle fibers from freeze-dried human muscle biopsies.
    [Nature Communications]

    Full ArticlePress Release

    Virtual Conference Exhibition: Pluripotent Stem Cells
    PUBLICATIONSRanked by the impact factor of the journal

    6-Gingerol Protects against Cardiac Remodeling by Inhibiting the p38 Mitogen-Activated Protein Kinase Pathway

    Neonatal rat cardiomyocytes and cardiac fibroblasts were used to validate the protective effects of 6-gingerol in response to phenylephrine and transforming growth factor-β challenge.
    [Acta Pharmacologica Sinica]

    Abstract

    Myocyte-Specific Enhancer Factor 2c Triggers Transdifferentiation of Adipose Tissue-Derived Stromal Cells into Spontaneously Beating Cardiomyocyte-Like Cells

    Investigators developed a simple culture protocol under which the adult murine inguinal adipose tissue-derived stromal vascular fraction (Ad-SVF) reproducibly transdifferentiated into beating cardiomyocyte (CMs) without induction. The beating CMs showed the striated ventricular phenotype of cardiomyocytes and synchronised oscillation of the intracellular calcium concentration among cells on day 28 of Ad-SVF primary culture.
    [Scientific Reports]

    Full Article

    A Comprehensive Epigenome Atlas Reveals DNA Methylation Regulating Skeletal Muscle Development

    The authors generated the first single-base resolution DNA methylome and transcriptome maps of porcine skeletal muscle across 27 developmental stages.
    [Nucleic Acids Research]

    Full Article

    MicroRNA-494-3p Inhibits Formation of Fast Oxidative Muscle Fibers by Targeting E1A-Binding Protein p300 in Human-Induced Pluripotent Stem Cells

    Myogenesis in human induced pluripotent stem cells with the Tet/ON-myogenic differentiation 1 gene was induced by culturing them in doxycycline-supplemented differentiation medium for seven days.
    [Scientific Reports]

    Full Article

    Oscillating Calcium Signals in Smooth Muscle Cells Underlie the Persistent Basal Tone of Internal Anal Sphincter

    Scientists report the origin and molecular mechanisms of calcium signals that control the internal anal sphincter (IAS) basal tone, using a combination approach including a novel IAS slice preparation that retained cell arrangement and architecture as in vivo, 2‐photon imaging, and cell‐specific gene‐modified mice.
    [Journal of Cellular Physiology]

    Abstract

    TMEM16A Channel Upregulation in Arterial Smooth Muscle Cells Produces Vasoconstriction during Diabetes

    Investigators tested the hypothesis that TMEM16A, a calcium-activated chloride channel, contributed to modifications in arterial contractility during type 2 diabetes (T2D). They indicated that T2D increased TMEM16A mRNA in arterial smooth muscle cells and total and surface TMEM16A protein in resistance-size arteries of mice.
    [American Journal of Physiology-Heart and Circulatory Physiology]

    Abstract

    Alteration of Sphingosine‐1‐Phosphate with Aging Induces Contractile Dysfunction of Colonic Smooth Muscle Cells via Ca2+‐Activated K+ Channel (BKCa) Upregulation

    Researchers investigated the mechanism by which sphingosine‐1‐phosphate contributes to age‐associated contractile dysfunction.
    [Neurogastroenterology and Motility]

    Abstract

    Explore scientific events this January with the Science Events Calendar.
    REVIEWS

    Epigenetic Regulation of Satellite Cell Fate during Skeletal Muscle Regeneration

    The authors describe the current knowledge of the mechanisms allowing muscle stem cell fate transitions during regeneration and how it is altered in muscle disease.
    [Skeletal Muscle]

    Full Article

    INDUSTRY AND POLICY NEWS

    Sarepta Therapeutics and Genevant Sciences Announce Research Collaboration for Lipid Nanoparticle-Based Gene Editing Therapeutics

    Sarepta Therapeutics, Inc. and Genevant Sciences announced a research collaboration and option agreement for the delivery of lipid nanoparticle-gene editing therapeutics in Sarepta’s pipeline for neuromuscular diseases.
    [Sarepta Therapeutics, Inc.]

    Press Release

    FEATURED EVENT

    European Immunogenetics and Histocompatibility Conference

    April 21 – 23, 2021
    Virtual

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    JOB OPPORTUNITIES

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    STEMCELL Technologies, Inc. – Burnaby, British Columbia, Canada

    Professor or Associate Professor – Rheumatology

    The University of Utah School of Medicine – Salt Lake City, Utah, United States

    PhD Studentships – Spinal Muscular Atrophy

    Hannover Medical School – Hannover, Germany

    Research Scientist – Smooth Muscle and Enteric Nervous System

    Mayo Clinic – Rochester, Minnesota, United States

    Research Professional – Life Sciences

    Stanford University – Stanford, California, United States

    Postdoctoral Positions – Gene Regulation in Skeletal Muscle Stem Cells and Embryonic Stem Cells

    National Institute of Arthritis and Musculoskeletal and Skin Diseases – Washington, DC, United States

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