Muscle Cell News Volume 8.29 | Aug 28 2023

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    2023-08-28 | MUSCN 8.29


    Muscle Cell News by STEMCELL Technologies
    Vol. 8.29 – 28 August, 2023
    TOP STORY

    Spatiotemporal Cell Junction Assembly in Human iPSC-CM Models of Arrhythmogenic Cardiomyopathy

    The authors built bioengineered platforms using genetically modified human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) to model the early spatiotemporal process of cardiomyocyte junction assembly in vitro.
    [Stem Cell Reports]

    Full ArticleGraphical Abstract
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    Integrative Analysis of DNA Methylome and Transcriptome Reveals Epigenetic Regulation of Bisphenols-Induced Cardiomyocyte Hypertrophy

    Researchers performed RNA-seq and reduced representation bisulfite sequencing to profile the landscapes of bisphenol-induced cardiotoxicity and to determine the key roles of DNA methylation in the transcription.
    [Ecotoxicology and Environmental Safety]

    Full ArticleGraphical Abstract

    The Kisspeptin-1 Receptor Antagonist Peptide-234 Aggravates Uremic Cardiomyopathy in a Rat Model

    Scientists investigated the effects of the kisspeptin receptor antagonist peptide-234 on the development of uremic cardiomyopathy.
    [Scientific Reports]

    Full Article

    Repeated Witness Social Stress Causes Cardiomyocyte Contractile Impairment and Intracellular Ca2+ Derangement in Female Rats

    Researchers investigated the effects of repeated exposure to witness social defeat stress on cardiomyocyte contractile function and intracellular Ca2+ homeostasis in young adult wild-type Groningen female rats.
    [Physiology & Behavior]

    Full Article

    TET1 Regulates Skeletal Stem Cell (SSC) Mediated Cartilage Regeneration

    The authors investigated the differences in SSC lineage tree and differentiation potential in neonatal and adult Tet1+/+ and Tet1-/- mice, with and without injury and upon osteoarthritis induction and progression.
    [Arthritis & Rheumatology]

    Abstract

    Dysfunctional Endocannabinoid CB1 Receptor Expression and Signaling Contribute to Skeletal Muscle Cell Toxicity Induced by Simvastatin

    Scientists explored the role of the endocannabinoid system during muscle toxicity induced by simvastatin.
    [Cell Death & Disease]

    Full ArticleGraphical Abstract

    Abnormal Myosin Post-Translational Modifications and ATP Turnover Time Associated with Human Congenital Myopathy-Related RYR1 Mutations

    Investigators used skeletal muscle tissues from five patients with ryanodine receptor 1 (RYR1)-related congenital myopathy and compared those with five controls and five patients with RYR1-related rhabdomyolysis/myalgia.
    [Acta Physiologica]

    Full Article

    CircLRRFIP1 Promotes the Proliferation and Differentiation of Chicken SMSCs by Sponging the miR-15 Family to Activate AKT3-mTOR/p70S6K Signaling Pathway

    Skeletal muscle satellite cells (SMSCs) were generated with stable knockdown and overexpression of circLRRFIP1, and the results showed that circLRRFIP1 exerted a stimulatory effect on the proliferation and differentiation of SMSCs.
    [Poultry Science]

    Full Article

    Decellularized Scaffolds with Double-Layer Aligned Microchannels Induce the Oriented Growth of Bladder Smooth Muscle Cells: Toward Urethral and Ureteral Reconstruction

    Researchers engineered a tubular decellularized extracellular matrix with an intact internal layer and bidirectional aligned microchannels in the tubular wall, which was realized by the subcutaneous implantation of a template, followed by the removal of the template, and decellularization.
    [Advanced Healthcare Materials]

    Abstract

    Lurasidone Blocks the Voltage-Gated Potassium Channels of Coronary Arterial Smooth Muscle Cells

    Investigators showed that lurasidone inhibited the vascular voltage-gated K+ channels of rabbit coronary arterial smooth muscle cells in a dose-dependent manner with an IC50 of 1.88 ± 0.21 μM and a Hill coefficient of 0.98 ± 0.09.
    [European Journal of Pharmacology]

    AbstractGraphical Abstract

    Nemopilema nomurai Jellyfish Venom Attenuates Phenotypic Modulation of PDGF BB-Induced Vascular Smooth Muscle Cells and κ-Carrageenan-Induced Rat Tail Thrombosis

    Scientists investigated the potential effect of Nemopilema nomurai jellyfish venom on cell migration, proliferation, and differentiation of vascular smooth muscle cells.
    [Toxicon]

    AbstractGraphical Abstract

    Inhibitory Effect of PPARδ Agonist GW501516 on Proliferation of Hypoxia-Induced Pulmonary Arterial Smooth Muscle Cells by Regulating the mTOR Pathway

    Pulmonary artery smooth muscle cells were incubated with different concentrations of GW501516 under the hypoxic condition. The proliferation was determined by a CCK-8 assay.
    [Current Medical Science]

    Abstract
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    REVIEWS

    Cytokines and Exosomal miRNAs in Skeletal Muscle–Adipose Crosstalk

    Skeletal muscle and adipose tissues are secretory organs that release secretory factors including cytokines and exosomes. These factors mediate muscle–adipose crosstalk to regulate systemic metabolism via paracrine and endocrine pathways.
    [Trends In Endocrinology And Metabolism]

    Abstract

    Thrown for a Loop: Fibro-Adipogenic Progenitors in Skeletal Muscle Fibrosis

    The authors summarize fibro-adipogenic progenitors’ role in fibrosis in terms of their activation, heterogeneity, contributions to fibrotic degeneration, and role across musculoskeletal diseases.
    [American Journal Of Physiology-Cell Physiology]

    Abstract
    INDUSTRY AND POLICY NEWS

    Curi Bio Awarded Over $4.4M in NIH Grants to Advance Translational Science

    Curi Bio announced two recent SBIR grants worth $4.4 million from the National Institutes of Health (NIH) to support its pioneering work on implementing human models to advance the discovery of the next generation of medicines.
    [Curi Bio]

    Press Release
    FEATURED EVENT

    Molecular Analysis for Precision Oncology Congress 2023

    October 4 – 6, 2023
    Paris, France

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    JOB OPPORTUNITIES

    PhD Position – Molecular and Computational Neurogenomics

    VIB – Antwerp, Belgium

    Postdoctoral Research Position – Regulation of Cardiovascular & Renal Function

    University of Tennessee Health Science Center – Memphis, Tennessee, United States

    Research Associate – Recombinant Protein

    Creative Biolabs – New York, New York, United States

    Principal Investigators – Molecular Cell Science

    Center for Excellence in Molecular Cell Science – Shanghai, China

    Assistant/Associate/Full Professor – Pharmacodynamics

    University of Florida – Gainesville, Florida, United States

    > See All Jobs

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