Mesenchymal Cell News Volume 15.33 | Aug 22 2023

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    2023-08-22 | MESCN 15.33


    Mesenchymal Cell News by STEMCELL Technologies
    Vol. 15.33 – 22 August, 2023
    TOP STORY

    Efferocytosis of Viable Versus Heat-Inactivated MSC Induces Human Monocytes to Distinct Immunosuppressive Phenotypes

    Researchers sought to dissect MSC’s trophic mechanism from their efferocytic mechanisms and determine if the viability of MSCs prior to efferocytosis influenced the resultant phenotype of monocytes.
    [Stem Cell Research & Therapy]

    Full Article
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    Mesenchymal Stromal Cell Secretome Is Affected by Tissue Source and Donor Age

    Investigators examined the influence of donor age, sex and tissue source, on the protein profile of the equine MSC secretome. They used dynamic metabolic labeling with stable isotopes combined with liquid chromatography-tandem mass spectrometry to identify secreted proteins in MSC conditioned media.
    [Stem Cells]

    AbstractGraphical Abstract

    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

    Proliferation-Related Features of the Human Mesenchymal Stem Cells Derived from Palatine Tonsils, Adipose Tissues, and Bone Marrow

    The authors analyzed the expression levels of 47,000 transcripts in adipose-derived, bone marrow-derived, and tonsil-derived MSCs using GeneChip.
    [Tissue Engineering And Regenerative Medicine]

    Abstract

    Comprehensive Cell Surface Protein Profiling of Human Mesenchymal Stromal Cells from Peritoneal Dialysis Effluent and Comparison with Those from Human Bone Marrow and Adipose Tissue

    Peritoneal mesenchymal stromal cells were grown in plastic dishes for 4–7 passages, and their cell surface phenotype was examined by staining with a panel of 242 antibodies.
    [Human Cell]

    Full Article

    Biocompatibility of Graphene Oxide Nanosheets Functionalized with Various Amino Acids towards Mesenchymal Stem Cells

    Scientists evaluated the cytotoxicity and genotoxicity of graphene oxide synthesized by Hummer’s method and functionalized by different amino acids such as lysine, methionine, aspartate, and tyrosine.
    [Heliyon]

    Full Article

    MiR-601-Induced BMSCs Senescence Accelerates Steroid-Induced Osteonecrosis of the Femoral Head Progression by Targeting SIRT1

    The rat steroid-induced osteonecrosis of the femoral head model was constructed, and rat bone marrow mesenchymal stem cells were extracted. Aging-related indicators were detected by SA-β-Gal staining, qRT-PCR, and Western Blot experiments.
    [Cellular and Molecular Life Sciences]

    Abstract

    Preconditioning with Interleukin-1 Alpha Is Required for the Neuroprotective Properties of Mesenchymal Stem Cells after Ischemic Stroke in Mice

    Investigators assessed the therapeutic potential of intra-arterially administered interleukin-1 alpha preconditioned MSCs, after experimental cerebral ischemia in mice.
    [Journal Of Cerebral Blood Flow And Metabolism]

    Full Article

    Adipose-Derived Mesenchymal Stem Cell Therapy for Reverse Bleomycin-Induced Experimental Pulmonary Fibrosis

    MSCs were obtained from mice and characterized using flow cytometry and cell differentiation culture methods. Then adult C57BL/6 mice were exposed to endotracheal instillation of bleomycin and concurrently treated with MSCs for reversal models on day 14.
    [Scientific Reports]

    Full Article
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    REVIEWS

    A New Perspective on Mesenchymal Stem Cell-Based Therapy for Liver Diseases: Restoring Mitochondrial Function

    The authors comprehensively review the involvement of mitochondrial dysfunction in the development of liver disease and how MSCs can target mitochondrial dysfunction.
    [Cell Communication and Signaling]

    Full Article
    INDUSTRY AND POLICY NEWS

    Aegle Therapeutics Corp. Announces First Patient Dosed in Phase I/IIa Clinical Trial Administering a Novel Extracellular Vesicle Therapy

    Aegle Therapeutics Corp. announced the first patient has been dosed in Phase I/IIa clinical trial of AGLE-102 for the treatment of severe second-degree burns.
    [Aegle Therapeutics Corp. (PR Newswire)]

    Press Release
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    JOB OPPORTUNITIES

    Postdoctoral Research Fellow – Pathology

    Dana-Farber Cancer Institute – Boston, Massachusetts, United States

    Postdoctoral Position – Osteosarcoma

    National Cancer Institute – Bethesda, Maryland, 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

    Associate Professor – Bioengineering

    University of Maryland – College Park, Maryland, United States

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