Muscle Cell News Volume 7.41 | Dec 5 2022

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    2022-12-5 | MUSCN 7.41


    Muscle Cell News by STEMCELL Technologies
    Vol. 7.41 – 5 December, 2022
    TOP STORY

    Metabolic Changes Associated with Cardiomyocyte Dedifferentiation Enable Adult Mammalian Cardiac Regeneration

    Scientists demonstrated the importance of HMGCS2-induced ketogenesis as a means to regulate metabolic response to cardiomyocyte injury, thus allowing cell dedifferentiation and proliferation as a regenerative response.
    [Circulation]

    Abstract
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    PUBLICATIONSRanked by the impact factor of the journal

    A Soft and Ultrasensitive Force Sensing Diaphragm for Probing Cardiac Organoids Instantaneously and Wirelessly

    The authors presented a soft resistive force-sensing diaphragm based on ultrasensitive resistive nano-cracked platinum film, which could be integrated into an all-soft culture well via an oxygen plasma-enabled bonding process.
    [Nature Communications]

    Full Article

    A Non-Coding GWAS Variant Impacts Anthracycline-Induced Cardiotoxic Phenotypes in Human iPSC-Derived Cardiomyocytes

    Researchers demonstrated that glucocorticoid receptor signaling activated by dexamethasone pretreatment prior to doxorubicin exposure preserved cardiomyocyte viability and contractility in cardiomyocytes containing the rs28714259 allele.
    [Nature Communications]

    Full Article

    Vitamin D Status Modulates Mitochondrial Oxidative Capacities in Skeletal Muscle: Role in Sarcopenia

    Investigators examined the effects of vitamin D deficiency and supplementation on whole-body energy expenditure and muscle mitochondrial function in old rats, old mice, and human subjects.
    [Communications Biology]

    Full Article

    Huntingtin Regulates Calcium Fluxes in Skeletal Muscle

    The impact of Huntingtin (HTT) deficiency was studied in human skeletal muscle cell lines and in a mouse model with inducible and muscle-specific HTT deletion.
    [Journal of General Physiology]

    Abstract

    PCM1 Labelling Reveals Myonuclear and Nuclear Dynamics in Skeletal Muscle across Species.

    Scientists determined to what extent PCM1 was a specific marker of myonuclei in vitro and in vivo.
    [American Journal of Physiology-Cell Physiology]

    Abstract

    Vascular Smooth Muscle Cell Senescence Accelerates Medin Aggregation via Small Extracellular Vesicle Secretion and Extracellular Matrix Reorganization

    To determine the mechanisms of aortic medial amyloid formation, investigators explored the impact of vascular smooth muscle cell senescence, extracellular vesicle secretion, and extracellular matrix remodeling on medin accumulation.
    [Aging Cell]

    Full Article

    Plasma Exosomes Confer Hypoxic Pulmonary Hypertension by Transferring LOX-1 Cargo to Trigger Phenotypic Switching of Pulmonary Artery Smooth Muscle Cells

    Researchers generated proof that plasma-derived exosomes confer pulmonary hypertension by delivering lipoprotein receptor-1 (LOX-1) into pulmonary artery smooth muscle cells.
    [Biochemical Pharmacology]

    Full ArticleGraphical Abstract

    Temporal Regulation of Notch Activation Improves Arteriovenous Fistula Maturation

    Scientists temporally controlled Notch activation to promote arteriovenous fistula maturation while avoiding neointima formation.
    [Journal of Translational Medicine]

    Full Article
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    REVIEWS

    How Vascular Smooth Muscle Cell Phenotype Switching Contributes to Vascular Disease

    Investigators focus on phenotypic characteristics, molecular profile, the functional role of vascular smooth muscle cells (VSMCs) phenotype landscape, and the molecular mechanism regulating VSMCs phenotype switching.
    [Cell Communication and Signaling]

    Full Article

    How Can the Adult Zebrafish and Neonatal Mice Teach Us about Stimulating Cardiac Regeneration in the Human Heart?

    Researchers highlight important mechanisms that occur in the hearts of baby mice and zebrafish, which may help contribute to their regenerative abilities.
    [Regenerative Medicine]

    Full Article
    INDUSTRY AND POLICY NEWS

    Sarepta Therapeutics Announces That US FDA has Accepted for Filing and Granted Priority Review for the Biologics License Application for SRP-9001, Sarepta’s Gene Therapy for the Treatment of Ambulant Individuals with Duchenne Muscular Dystrophy

    Sarepta Therapeutics, Inc. announced that the US FDA had accepted the company’s Biologics License Application seeking accelerated approval of SRP-9001 for the treatment of ambulant individuals with Duchenne muscular dystrophy.
    [Sarepta Therapeutics, Inc.]

    Press Release
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    JOB OPPORTUNITIES

    Lecturer – Molecular Exercise Physiology

    University of Stirling – Stirling, Scotland, United Kingdom

    Research Associate – Biomedical Engineering

    University of British Columbia – Vancouver, British Columbia, Canada

    PhD/Postdoctoral Researcher – Skeletal Muscle Disease Modeling and Therapy Testing

    Erasmus University Medical Center – Rotterdam, Netherlands

    Postdoctoral Fellow – Skeletal Muscle and Spatial Transcriptomics

    Cornell University – Ithaca, New York, United States

    Senior Program Associate – Science in the City

    STEMCELL Technologies, Inc. – Boston, Massachusetts, United States

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