Mesenchymal Cell News Volume 15.32 | Aug 15 2023

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    2023-08-15 | MESCN 15.28


    Mesenchymal Cell News by STEMCELL Technologies
    Vol. 15.32 – 15 August, 2023
    TOP STORY

    NAD+ Salvage Governs the Immunosuppressive Capacity of Mesenchymal Stem Cells

    MSCs possess robust immunoregulatory functions and are promising therapeutics for inflammatory disorders. Investigators examined whether inflammatory cytokines metabolically reprogrammed MSCs to confer this immunoregulatory capacity.
    [Cellular & Molecular Immunology]

    Abstract
    Webinar: Bone Marrow Skeletal Progenitors and Bone Diseases
    PUBLICATIONSRanked by the impact factor of the journal

    A Controllable Gelatin-Based Microcarriers Fabrication System for the Whole Procedures of MSCs Amplification and Tissue Engineering

    Scientists developed a co-flow microfluidics-based system for the generation of uniform and size-controllable gelatin-based microcarriers for MSCs expansion and tissue engineering.
    [Regenerative Biomaterials]

    AbstractGraphical Abstract

    Ocular Instillation of Conditioned Medium from Mesenchymal Stem Cells Is Effective for Dry Eye Syndrome by Improving Corneal Barrier Function

    Investigators showed that human conditioned medium of adipose-derived mesenchymal stem cell suppressed benzalkonium chloride-induced cytotoxicity and inflammation in human corneal epithelial cells.
    [Scientific Reports]

    Full Article

    Exosomes Secreted by Mesenchymal Stem Cells Delay Brain Aging by Upregulating SIRT1 Expression

    Researchers tested the neuroprotective effects of MSC-Exos in vitro on H2O2-induced oxidative damage in BV2 cells. An in vivo SAMP8 rapid senescence mouse model showed that MSC-Exos significantly increased SIRT1 gene expression in senescent mice.
    [Scientific Reports]

    Full Article

    MicroRNAs As Prognostic Markers for Chondrogenic Differentiation Potential of Equine Mesenchymal Stromal Cells

    The authors sought to identify variations in miRNA signatures associated with cultured equine MSC chondrogenic differentiation potential from different donors.
    [Stem Cells And Development]

    Abstract

    tRNA-Derived Small RNA Changes in Bone Marrow Stem Cells under Hypoxia and Osteogenic Conduction

    Scientists employed bone MSCs (BMSCs) obtained from healthy donors and simulated hypoxia using CoCl2 stimulation.
    [Journal of Oral Rehabilitation]

    Abstract

    Hdac1 and Hdac2 Regulate the Quiescent State and Survival of Hair-Follicle Mesenchymal Niche

    Researchers used the hair follicle to show that during growth, the mesenchymal niche of the hair follicle, the dermal papilla (DP), was maintained quiescent by the activity of Hdac1 and Hdac2 in the DP that suppressed the expression of cell-cycle genes.
    [Nature Communications]

    Full Article

    LncRNA DGCR5-Encoded Polypeptide RIP Aggravates SONFH by Repressing Nuclear Localization of β-Catenin in BMSCs

    The authors found that lncRNA DGCR5 encoded a 102-amino acid polypeptide, Rac1 inactivated peptide (RP), which promoted the adipogenic differentiation of bone marrow MSCs and aggravated the progression of steroid-induced osteonecrosis of the femoral head (SONFH).
    [Cell Reports]

    Full ArticleGraphical Abstract

    Early Induction of Hes1 by Bone Morphogenetic Protein 9 Plays a Regulatory Role in Osteoblastic Differentiation of a Mesenchymal Stem Cell Line

    Researchers investigated the functional roles of early induction of Hes1 by bone morphogenic protein 9 (BMP9) in a mouse mesenchymal stem cell line, ST2. Hes1 mRNA was transiently and periodically induced by BMP9 in ST2.
    [Journal of Cellular Biochemistry]

    Abstract
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    REVIEWS

    Can Mesenchymal Stem/Stromal Cells and Their Secretomes Combat Bacterial Persisters?

    Investigators critically assess the current literature on the effects of MSCs and their secretomes on persister bacteria.
    [World Journal Of Microbiology & Biotechnology]

    Abstract
    INDUSTRY AND POLICY NEWS

    Exploiting Tertiary Lymphoid Structures in Rhabdomyosarcoma for Promoting Immunotherapy Response

    Rhabdomyosarcoma is a devastating malignancy; outcomes for patients with high-risk disease are dismal and unlike many pediatric cancers, have not improved over the last 3 decades. Immunotherapy holds great potential for improving outcomes in sarcoma patients.
    [Sarcoma Foundation of America]

    Press Release
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    JOB OPPORTUNITIES

    Research Associate – Recombinant Protein

    Creative Biolabs – New York, New York, United States

    Clinical Research Scientist – Cell Therapy

    University of Cincinnati – Cincinnati, Ohio, United States

    Principal Investigators – Molecular Cell Science

    Center for Excellence in Molecular Cell Science – Shanghai, China

    Associate Professor – Bioengineering

    University of Maryland – College Park, Maryland, United States

    Research Assistant – Biomedicine

    IRB Barcelona – Barcelona, Spain

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