Muscle Cell News Volume 8.17 | May 15 2023

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    2023-05-15 | MUSCN 8.17


    Muscle Cell News by STEMCELL Technologies
    Vol. 8.17 – 15 May, 2023
    TOP STORY

    Polycomb Group Protein CBX7 Represses Cardiomyocyte Proliferation through Modulation of the TARDBP/RBM38 Axis

    The authors examined the mechanism of CBX7-mediated repression of cardiomyocyte proliferation through coimmunoprecipitation, mass spectrometry, and other molecular techniques.
    [Circulation]

    Abstract
    Guide to everything you need to know about cell separation.
    PUBLICATIONSRanked by the impact factor of the journal

    RagD Auto-Activating Mutations Impair MIT/TFE Activity in Kidney Tubulopathy and Cardiomyopathy Syndrome

    By using HeLa and HK-2 cell lines, human induced pluripotent stem cell-derived cardiomyocytes, and patient-derived primary fibroblasts, researchers showed that RRAGD auto-activating mutations lead to inhibition of TFEB and TFE3 nuclear translocation and transcriptional activity.
    [Nature Communications]

    Full Article

    Cardiomyocyte-Targeting Exosomes from Sulforaphane-Treated Fibroblasts Affords Cardioprotection in Infarcted Rats

    Long-term low-dose sulforaphane treatment of fibroblasts enhanced the release of anti-remodeling cardiomyocyte-targeted fibroblast-derived exosomes, which effectively prevented the onset of heart failure.
    [Journal Of Translational Medicine]

    Full Article

    Chemically Defined Production of Tri-Lineage Human iPSC-Derived Cardiac Spheroids

    The authors presented protocols to illustrate the methods for conducting small-molecule-mediated differentiations of human induced pluripotent stem cells (hiPSCs) into cardiomyocytes, endothelial cells, and cardiac fibroblasts, as well as to assemble the fully integrated cardiac spheroids.
    [Current Protocols]

    Full Article

    Skeletal Muscle Delimited Myopathy and Verapamil Toxicity in SUR2 Mutant Mouse Models of AIMS

    Given the roles of the SUR2 subunit of ATP-sensitive potassium (KATP) channels in all muscles, investigators sought to determine how myopathy arises using tissue-selective suppression of KATP, and found that loss-of-function in skeletal muscle, specifically, underlies myopathy.
    [EMBO Molecular Medicine]

    Full ArticleGraphical Abstract

    Specific DMPK-Promoter Targeting by CRISPRi Reverses Myotonic Dystrophy Type 1-Associated Defects in Patient Muscle Cells

    The authors investigated a DMPK-promoter silencing strategy using CRISPR interference as a new alternative approach. Different sgRNAs targeting the DMPK promoter were evaluated in m yotonic dystrophy type 1 patient muscle cells.
    [Molecular Therapy – Nucleic Acids]

    Full ArticleGraphical Abstract

    Mechanical Pressure-Induced Dedifferentiation of Myofibroblasts Inhibits Scarring via SMYD3/ITGBL1 Signaling

    Scientists demonstrated that human scar-derived myofibroblasts dedifferentiatde into normal fibroblasts in response to pressure therapy, and identified how SMYD3/ITGBL1 contributed to the nuclear relay of mechanical signals.
    [Developmental Cell]

    Full ArticleGraphical Abstract

    Correction of a CADASIL Point Mutation Using Adenine Base Editors in hiPSCs and Blood Vessel Organoids

    Vascular smooth muscle cells differentiated from cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) human induced pluripotent stem cells (hiPSCs) showed NOTCH3 deposition and abnormal actin cytoskeleton structure.
    [Journal Of Genetics And Genomics]

    Abstract
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    REVIEWS

    Mitochondria-SR Interaction and Mitochondrial Fusion/Fission in the Regulation of Skeletal Muscle Metabolism

    Investigators summarize the evidence on the effects of substrate availability on mitochondrial-sarcoplasmic reticulum (SR) interaction and mitochondria fusion/fission dynamics to modulate substrate oxidation in human skeletal muscle.
    [Metabolism Clinical And Experimental]

    AbstractGraphical Abstract

    Modulation of Smooth Muscle Cell Phenotype for Translation of Tissue-Engineered Vascular Grafts

    The authors describe the phenotypic diversity of smooth muscle cells and the different environmental cues that allow for the modulation of smooth muscle cell gene expression.
    [Tissue Engineering Part B-Reviews]

    Abstract
    INDUSTRY AND POLICY NEWS

    FDA Advisers Narrowly Vote in Favor of Experimental Gene Therapy for Rare Muscle Disease

    The FDA’s decision, expected by the end of the month, will have implications for how the agency regulates treatments like this one more broadly. It would be the first of its kind of medicine to get accelerated approval.
    [CNN Health]

    News Article
    FEATURED EVENT

    Life at the Periphery: Mechanobiology of the Cell Surface

    June 12 – 15, 2023
    EMBL Heidelberg and Virtual

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    JOB OPPORTUNITIES

    Tenure Track Faculty & Associate Director – Cardiovascular Research

    Temple University – Philadelphia, Pennsylvania, United States

    Postdoctoral Researcher – Molecular and Translational cardiology

    Heidelberg University Hospital – Heidelberg, Germany

    Postdoctoral Researcher – Biological Sciences

    Birkbeck, University of London – London, England, United Kingdom

    Faculty Scientist Positions – Perioperative Medicine

    The University of Texas Health Science Center at Houston – Houston, Texas, United States

    Postdoctoral Research Fellow – Striated Muscle Biology

    Cincinnati Children’s Hospital – Cincinnati, Ohio, United States

    > See All Jobs

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