Muscle Cell News Volume 6.38 | Nov 08 2021

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    2021-11-08 | MUSCN 6.38


    Muscle Cell News by STEMCELL Technologies
    Vol. 6.38 – 8 November, 2021
    TOP STORY

    Rapid Nanomolding of Nanotopography on Flexible Substrates to Control Muscle Cell Growth with Enhanced Maturation

    Investigators presented a simple strategy for using optical media discs with nanogrooves and other polymer-based substrates nanomolded from the discs to directly culture muscle cells to study their response to the effect of biophysical cues such as nanotopography and substrate stiffness.
    [Microsystems & Nanoengineering]

    Full Article

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    Improved Nanopore Direct RNA Sequencing of Cardiac Myocyte Samples by Selective Mt-RNA Depletion

    Scientists showed that mt-clipping enables enhanced detection of cytoplasmic mRNAs, among them genes involved in heart development and pathogenesis.
    [Journal of Molecular and Cellular Cardiology]

    Abstract

    Auto/Paracrine Factors and Early Wnt Inhibition Promote Cardiomyocyte Differentiation from Human Induced Pluripotent Stem Cells at Initial Low Cell Density

    Researchers established a protocol to induce human induced pluripotent stem cell differentiation into cardiomyocytes using a defined culture medium and an initial low cell density to minimize the hidden factors.
    [Scientific Reports]

    Full Article

    Desmoglein 2 Regulates Cardiogenesis by Restricting Hematopoiesis in the Developing Murine Heart

    Scientists proposed that cardiomyocyte-driven paracrine signaling, which likely involved Notch1, directed subsequent trans-differentiation of endo- and epicardial cells.
    [Scientific Reports]

    Full Article

    Forensic Significance of Intracardiac Heme Oxygenase-1 Expression in Acute Myocardial Ischemia

    The authors examined the immunohistochemical expression of heme oxygenase-1 in the heart samples to discuss their forensic significance to determine acute cardiac ischemia.
    [Scientific Reports]

    Full Article

    Variation in Muscle and Neuromuscular Junction Morphology between Atrophy-Resistant and Atrophy-Prone Muscles Supports Failed Re-innervation in Aging Muscle Atrophy

    Scientists examined changes in neuromuscular junction morphology, fiber cross-sectional area and fiber type, accumulation of severely atrophied myofibers, and expression of a marker of denervation in four muscles that exhibited differences in the degree of age-related atrophy.
    [Experimental Gerontology]

    Abstract

    Dystrophin and Mini-Dystrophin Quantification by Mass Spectrometry in Skeletal Muscle for Gene Therapy Development in Duchenne Muscular Dystrophy

    The authors demonstrated the validation and application of a novel peptide immunoaffinity liquid chromatography–tandem mass spectrometry assay.
    [Gene Therapy]

    Full Article

    A Deep Learning Approach to Identify and Segment Alpha-Smooth Muscle Actin Stress Fiber Positive Cells

    Researchers presented a computer vision model to classify and segmented cells containing alpha-smooth muscle actin stress fibers into two classes, with a high degree of accuracy.
    [Scientific Reports]

    Full Article

    HDAC8-Inhibitor PCI-34051-Induced Exosomes Inhibit Human Bronchial Smooth Muscle Cell Proliferation via miR-381-3p Mediated TGFB3

    Scientists investigated the effects of PCI-34051-induced human bronchial epithelial cells-derived exosomes on human bronchial smooth muscle cells and the key exosomal miRNAs involved in this process.
    [Pulmonary Pharmacology & Therapeutics]

    Abstract

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    REVIEWS

    Skeletal Muscle Aging, Cellular Senescence, and Senotherapeutics: Current Knowledge and Future Directions

    The authors highlight the key questions that need to be addressed to advance the field’s understanding of cellular senescence as a mediator of skeletal muscle aging and the potential for emerging senescent cell-targeting therapies to counter age-related deficits in muscle mass, strength, and function.
    [Mechanisms of Ageing and Development]

    Full Article

    Influence of Obesity and Type 2 Diabetes on Calcium Handling by Skeletal Muscle: Spotlight on the Sarcoplasmic Reticulum and Mitochondria

    Scientists consider the impact of metabolic disorders, such as obesity and type 2 diabetes, on the regulation of calcium in skeletal muscle.
    [Frontiers in Physiology]

    Full Article

    INDUSTRY AND POLICY NEWS

    Amgen, Cytokinetics, Inc. and Servier Announced Topline Results from GALACTIC-HF, a Phase III Pivotal Clinical Trial of Omecamtiv Mecarbil in Patients with Heart Failure with Reduced Ejection Fraction (HFrEF).

    Cytokinetics, Inc. announced the completion of patient enrollment in METEORIC-HF, the second Phase III clinical trial of omecamtiv mecarbil.
    [Cytokinetics, Inc. (BioSpace)]

    Press Release

    FEATURED EVENT

    Cell Symposium: Overcoming Therapy Resistance in Cancer

    November 8 – 10, 2021
    Virtual

    > See All Events

    JOB OPPORTUNITIES

    Postdoctoral Scientist – Development and Regeneration

    The Victor Chang Cardiac Research Institute – Darlinghurst, Australia

    Vice President – Medical Affairs and Dean of the School of Medicine

    Saint Louis University – St. Louis, Missouri, United States

    Scientist – iPSC Derived Cardiac Tissues

    Columbia University – New York, New York, United States

    Research Associate I – Histology & Morphometrics

    Sarepta Therapeutics Inc. – Columbus, Ohio, United States

    Postdoctoral Research Fellow – iPSC Reprogramming

    Northwestern University – Chicago, Illinois, United States

    > See All Jobs

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