ESC & iPSC News Volume 16.28 | Jul 21 2021

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    2021-07-21 | ESC 16.28


    ESC & iPSC News by STEMCELL Technologies
    Vol. 16.28 – 21 July, 2021
    TOP STORY

    Generation of Ovarian Follicles from Mouse Pluripotent Stem Cells

    Researchers developed culture conditions to recreate the stepwise differentiation process from pluripotent cells to fetal ovarian somatic cell–like cells, providing a method for in vitro oocyte production and follicle generation for a better understanding of mammalian reproduction.
    [Science]

    AbstractGraphical AbstractEditorial

    Tumors Are 3D. Shouldn't Your In Vitro Model Be? Learn More.
    PUBLICATIONSRanked by the impact factor of the journal

    p53 Convergently Activates Dux/DUX4 in Embryonic Stem Cells and in Facioscapulohumeral Muscular Dystrophy Cell Models

    p53 activation convergently evolved to couple p53 to double homeobox (Dux)/DUX4 activation in ESCs, embryos and cells from patients with facioscapulohumeral muscular dystrophy (FSHD), potentially uniting the developmental and disease regulation of DUX-family factors and identifying evidence-based therapeutic opportunities for FSHD.
    [Nature Genetics]

    AbstractPress Release

    The Chromatin, Topological and Regulatory Properties of Pluripotency-Associated Poised Enhancers Are Conserved In Vivo

    Scientists showed that the chromatin and 3D structural features of poised enhancers were conserved among mouse PSCs both in vitro and in vivo.
    [Nature Communications]

    Full Article

    A Universal Gene Correction Approach for FKRP-Associated Dystroglycanopathies to Enable Autologous Cell Therapy

    Investigators developed a gene-editing approach that replaced the entire mutant open reading frame with the wild-type sequence to universally correct all fukutin-related protein (FKRP) mutations and applied this approach to correct FKRP mutations in iPSCs derived from patients displaying broad clinical severity.
    [Cell Reports]

    Full ArticleGraphical Abstract

    Mapping Human Pluripotent Stem Cell-Derived Erythroid Differentiation by Single-Cell Transcriptome Analysis

    The authors provided systematic theoretical guidance for optimizing the iPSCs-derived red blood cells differentiation system, which was a useful model for simulating in vivo hematopoietic development and differentiation.
    [Genomics Proteomics & Bioinformatics]

    Full Article

    Trophoblast Glycoprotein Is a Marker for Efficient Sorting of Ventral Mesencephalic Dopaminergic Precursors Derived from Human Pluripotent Stem Cells

    Using LMX1A-eGFP knock-in reporter human ESCs, scientists discovered a novel surface antigen, trophoblast glycoprotein, which was preferentially expressed in ventral mesencephalic dopaminergic precursors.
    [npj Parkinson’s Disease]

    Full Article

    B-1 Lymphocytes Develop Independently of Notch Signaling during Mouse Embryonic Development

    Using mouse ESCs (mESCs) to recapitulate murine embryonic development, the researchers studied the requirement for Notch signaling during the earliest B-lymphopoiesis and found that Rbpj-deficient mESCs were able to generate B-1 cells.
    [Development]

    Abstract
    Full Article

    Lineages of Embryonic Stem Cells Show Non-Markovian State Transitions

    The authors investigated whether ESCs retained memory of their previous states or transition in a memoryless (Markovian) process, and showed that some highly dynamic lineages of ESCs did not exhibit the Markovian property: their previous states and kin relations influenced future choices.
    [iScience]

    AbstractFull ArticleGraphical Abstract

    Effect of the Phenylpyrrole Fungicide Fludioxonil on Cell Proliferation and Cardiac Differentiation in Mouse Embryonic Stem Cells

    The potential effect of fludioxonil on cardiac differentiation was evaluated in mouse ESCs. Exposure to fludioxonil resulted in reduced size of mouse embryoid bodies and induced increasing expression levels of the pluripotency markers Oct4, Sox2 and Nanog.
    [Reproductive Toxicology]

    Abstract

    Analysis of Extracellular Vesicles as a Potential Index for Monitoring Differentiation of Neural Lineage Cells from Induced Pluripotent Stem Cells

    Investigators evaluated changes in extracellular vesicles morphology, concentration, and miRNA and protein expression in culture supernatants during the differentiation of iPSCs into neural lineage cells, for application in regenerative medicine for Parkinson’s disease.
    [Journal of Bioscience and Bioengineering]

    Abstract

    Scientific resources to support your organoids research. Learn More!
    REVIEWS

    Translational Control of Stem Cell Function

    Recent studies have indicated that stem cell behaviour is strongly coupled to the regulation of protein synthesis by the ribosome. The authors discuss how different translation mechanisms control the function of adult and ESCs.
    [Nature Reviews Molecular Cell Biology]

    Abstract

    INDUSTRY AND POLICY NEWS

    Vyant Bio Announces Issuance of Key Patent for High-Throughput Optical Assay of Human Mixed Cell Population Spheroids

    Vyant Bio, Inc. announced that its wholly-owned subsidiary, StemoniX, Inc. was issued US Patent No. 11054408, titled “High Throughput Optical Assay of Human Mixed Cell Population Spheroids” by the United States Patent and Trademark Office.
    [Vyant Bio, Inc.]

    Press Release

    FEATURED EVENT

    Epithelial Stem Cell – Niche Interactions in Lung Development, Homeostasis, Regeneration and Disease

    September 1 – 3, 2021
    Virtual

    > See All Events

    JOB OPPORTUNITIES

    Postdoctoral Research Associate – iPSC-Derived Hepatocytes

    University of Cambridge – Cambridge, England, United Kingdom

    Postdoctoral Researcher – Stem Cells and Immunotherapy

    University of Wisconsin–Madison – Madison, Wisconsin, United States

    Postdoctoral Fellow – Retinal Differentiation

    Albert Einstein College of Medicine – New York, New York, United States

    Postdoctoral Scientist – Human Pluripotent Stem Cells for Mitochondrial Medicine

    Heinrich Heine University – Dusseldorf, Germany

    Research Technologist – Neuroscience and Human Stem Cell Biology

    Massachusetts General Hospital – Boston, Massachusetts, United States

    > See All Jobs

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