Muscle Cell News Volume 7.42 | Dec 12 2022

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    2022-12-12 | MUSCN 7.42


    Muscle Cell News by STEMCELL Technologies
    Vol. 7.42 – 12 December, 2022
    TOP STORY

    A Smart Adhesive Janus Hydrogel for Non-Invasive Cardiac Repair and Tissue Adhesion Prevention

    In vitro and in vivo experiments demonstrated that Janus hydrogel could promote the maturation and functions of cardiomyocytes, and facilitate myocardial infarction repair by reducing oxidative damage and inflammatory response, reconstructing electrical conduction and blood supply in infarcted area.
    [Nature Communications]

    Full Article
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    Influenza A Virus Modulates ACE2 Expression and SARS-CoV-2 Infectivity in Human Cardiomyocytes

    Researchers determined the impact of influenza A virus infection on SARS-CoV-2 pathogenesis and cardiomyocyte function.
    [iScience]

    AbstractFull ArticleGraphical Abstract

    Proteome-Wide Systems Genetics Identifies UFMylation as a Regulator of Skeletal Muscle Function

    To identify novel regulators of skeletal muscle metabolism and function, investigators performed a proteomic analysis of gastrocnemius muscle from 73 genetically distinct inbred mouse strains and used this resource to prioritize targets for a functional genomic screen in human bioengineered skeletal muscles.
    [eLife]

    Abstract

    SGLT2 Inhibitor Empagliflozin Promotes Revascularization in Diabetic Mouse Hindlimb Ischemia by Inhibiting Ferroptosis

    Scientists investigated the effects of gliflozins on skeletal muscle cell viability and paracrine function, which were crucial for promoting revascularization in diabetic hindlimb ischemia.
    [Acta Pharmacologica Sinica]

    Abstract

    ArfGAP3 Regulates Vesicle Transport and Glucose Uptake in Myoblasts

    Findings suggested that Arf GTPase-activating protein (ArfGAP) 3 was expressed in the process of repair after skeletal muscle injury and myoblast differentiation and that ArfGAP3 was positively correlated with protein complex I-related genes.
    [Cellular Signalling]

    Abstract

    Extracellular Traps from Activated Vascular Smooth Muscle Cells Drive the Progression of Atherosclerosis

    Investigators showed that extracellular DNA traps were inhibited, and atherosclerotic plaque formation was alleviated in male Myh11CrePad4flox/flox mice undergoing an adeno-associated-virus-8 mediating overexpression of proprotein convertase subtilisin/kexin type 9 mutation injection.
    [Nature Communications]

    Full Article

    Ferroptotic Stress Facilitates Smooth Muscle Cell Dedifferentiation in Arterial Remodeling by Disrupting Mitochondrial Homeostasis

    Scientists explored the potential role of ferroptosis, a novel nonapoptotic form of cell death, in smooth muscle cell (SMC) phenotypic switch and related neointimal formation. They found that ferroptotic stress was triggered in cultured dedifferentiated SMCs and arterial neointimal tissue of wire-injured mice.
    [Cell Death & Differentiation]

    Abstract

    Amount of Pannexin 1 in Smooth Muscle Cells Regulates Sympathetic Nerve–Induced Vasoconstriction

    Researchers used genetically modified mouse models enabling the expression of Pannexin1 in vascular cells to be varied. Electrical field stimulation on isolated arteries and blood pressure were assessed.
    [Hypertension]

    Abstract

    KLF4-PFKFB3-Driven Glycolysis Is Essential for Phenotypic Switching of Vascular Smooth Muscle Cells

    Scientists showed that KLF4 upregulation accompanied vascular smooth muscle cells’ phenotypic switching in atherosclerotic lesions. KLF4 enhanced the metabolic switch to glycolysis by increasing PFKFB3 expression.
    [Communications Biology]

    Full Article
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    REVIEWS

    Adverse Effects of Ambient Fine Particulate Matter (PM2.5) on Vascular Smooth Muscle Cells

    The authors focus on the impacts of PM2.5 exposure on vascular smooth muscle cells and further discuss the correlation between exposure to PM2.5 and other vascular diseases, presenting potential protective and treatment strategies to decrease vascular mortality related to air pollution.
    [Journal of Applied Toxicology]

    Abstract
    INDUSTRY AND POLICY NEWS

    Solid Biosciences Announces Closing of Acquisition of AavantiBio and Concurrent $75 Million Private Placement

    Solid Biosciences Inc. announced the closing of its acquisition of AavantiBio, a privately held gene therapy company focused on transforming the lives of patients with Friedreich’s ataxia and rare cardiomyopathies, including its pipeline assets and net cash.
    [Solid Biosciences, Inc.]

    Press Release
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    JOB OPPORTUNITIES

    Postdoctoral Scientist – Cardiovascular Sciences

    Duke University – Durham, North Carolina, United States

    Lecturer – Molecular Exercise Physiology

    University of Stirling – Stirling, Scotland, United Kingdom

    Research Associate – Biomedical Engineering

    University of British Columbia – Vancouver, British Columbia, Canada

    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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