Muscle Cell News Volume 8.16 | May 08 2023

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    2023-05-08 | MUSCN 8.16


    Muscle Cell News by STEMCELL Technologies
    Vol. 8.16 – 8 May, 2023
    TOP STORY

    FGF21-FGFR1 Controls Mitochondrial Homeostasis in Cardiomyocytes by Modulating the Degradation of OPA1

    Researchers engineered fibroblast growth factor 21 (FGF21) knock out mice and subsequently elucidated the effects of FGF21 and its downstream mediators using western blotting, qRT-PCR, and mitochondrial morphological and functional analyses.
    [Cell Death & Disease]

    Full Article
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    Gene- and Variant-Specific Efficacy of Serum/Glucocorticoid-Regulated Kinase 1 Inhibition in Long QT Syndrome Types 1 and 2

    Scientists investigated whether serum/glucocorticoid-regulated kinase 1 could similarly shorten action potential duration in long QT syndrome types 1 and 2.
    [Europace]

    Full ArticleGraphical Abstract

    Nono Deficiency Impedes the Proliferation and Adhesion of H9c2 Cardiomyocytes through Pi3k/Akt Signaling Pathway

    Investigators studied the role of Nono in cardiomyocytes during development by utilizing the CRISPR/Cas9 gene editing system to deplete Nono in the rat cardiomyocytes H9c2.
    [Scientific Reports]

    Full Article

    Hdac1-Deficiency Affects the Cell Cycle Axis Cdc25-Cdk1 Causing Impaired G2/M Phase Progression and Reduced Cardiomyocyte Proliferation in Zebrafish

    Researchers suggested a critical role of histone deacetylase 1 (Hdac1) in maintaining both regular G1/S and G2/M phase transition in cardiomyocytes by controlling the expression of essential cell cycle regulators such as p21 and Cdc25.
    [Biochemical And Biophysical Research Communications]

    Full Article

    Muscle Injuries Induce a Prostacyclin-PPARγ/PGC1a-FAO Spike That Boosts Regeneration

    Mass spectrometry imaging was used to show that injured muscles induced a specific subset of prostanoids during regeneration. The spike in prostacyclin promoted skeletal muscle regeneration via myoblasts and declined with aging.
    [Advanced Science]

    Full Article

    NEDD4-1 Deficiency Impairs Satellite Cell Function during Skeletal Muscle Regeneration

    Scientists showed that ubiquitin-ligase NEDD4-1 targets the transcription factor PAX7 for proteasome-dependent degradation, promoting muscle differentiation in vitro.
    [Biological Research]

    Full Article

    Development of Skeletal Muscle Fibrosis in a Rodent Model of Cancer Cachexia

    Investigators determined if fibrosis occurs during cachexia development and evaluated in both sexes. In vitro analyses were also performed on cocultured C2C12 and 3T3 cells exposed to Lewis Lung Carcinoma conditioned media.
    [Cell Biochemistry And Function]

    Abstract

    Zinc Promotes Cell Proliferation via Regulating Metal-Regulatory Transcription Factor 1 Expression and Transcriptional Activity in Pulmonary Arterial Hypertension

    Scientists investigated the effect and mechanism of metal responsive transcription factor 1 on the proliferation of pulmonary arterial smooth muscle cells.
    [Cell Cycle]

    Abstract

    CEBPB/POU2F2 Modulates Endothelin 1 Expression in Prehypertensive SHR Vascular Smooth Muscle Cells

    Researchers identified POU2F2 and CEBPB as the main molecules that enhance endothelin 1 expression in male SHR vascular smooth muscle cells.
    [Journal Of Molecular Endocrinology]

    Full Article
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    REVIEWS

    Cachexia: A Systemic Consequence of Progressive, Unresolved Disease

    The authors review drivers, mechanisms, organismal predispositions, evidence for multi-organ interaction, model systems, clinical research, trials, and care provision from early onset to late cachexia.
    [Cell]

    Full ArticleGraphical Abstract
    INDUSTRY AND POLICY NEWS

    ‘Too Greedy’: Mass Walkout at Global Science Journal over ‘Unethical’ Fees

    More than 40 leading scientists have resigned en masse from the editorial board of a top science journal in protest at what they describe as the “greed” of publishing giant Elsevier.
    [The Guardian]

    News Article
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    JOB OPPORTUNITIES

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

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    National Institutes of Health – Bethesda, Maryland, United States

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

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    University of Melbourne – Melbourne, Australia

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