ESC & iPSC News Volume 18.26 | July 05 2023

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    2023-07-05 | ESC & iPSC 18.26


    ESC & iPSC News by STEMCELL Technologies
    Vol. 18.26 – 5 July, 2023
    TOP STORY

    ZMYM2 Is Essential for Methylation of Germline Genes and Active Transposons in Embryonic Development

    Investigators found that Zmym2−/− mice showed embryonic lethality by E10.5. Molecular characterization of Zmym2−/− embryos revealed two distinct defects.
    [Nucleic Acids Research]

    Full ArticleGraphical Abstract
    PUBLICATIONSRanked by the impact factor of the journal

    Arginine 65 Methylation of Neurogenin 3 by PRMT1 Is Required for Pancreatic Endocrine Development of hESCs

    The authors reported that protein arginine methyltransferase-1 (PRMT1)-mediated arginine 65 methylation of neurogenin 3 was required for the pancreatic endocrine development of hESCs in vitro.
    [Experimental & Molecular Medicine]

    Full Article

    Chemical Genomics Reveals Targetable Programs of Human Cancers Rooted in Pluripotency

    Using a chemical genomic approach, scientists provided biological evidence that early germ layer fate decisions of hPSCs revealed targets of human cancers.
    [Cell Chemical Biology]

    AbstractGraphical Abstract

    Optogenetic Control of Wnt Signaling Models Cell-Intrinsic Embryogenic Patterning Using 2D Human Pluripotent Stem Cell Culture

    Investigators combined optogenetic stimulation, imaging, and transcriptomic approaches to study self-organization of human ESCs in two-dimensional culture.
    [Development]

    Abstract

    SIX1+PAX3+ Identify a Progenitor for Myogenic Lineage Commitment from hPSCs

    Using dCas9-KRAB hPSCs, researchers demonstrated early inhibition of SIX1 alone significantly decreased PAX3 expression, reduced PAX7+ skeletal muscle progenitor cells, and myotubes later in differentiation.
    [Development]

    Abstract

    Time-Resolved Small-RNA Sequencing Identifies MicroRNAs Critical for Formation of Embryonic Stem Cells from the Inner Cell Mass of Mouse Embryos

    Using small-RNA sequencing, scientists characterized dynamic changes in miRNA expression profiles during outgrowth of inner cell masses in a high-resolution, time-course dependent manner.
    [Stem Cell Reviews and Reports]

    AbstractGraphical Abstract

    FGFR-Mediated ERK1/2 Signaling Contributes to Mesendoderm and Definitive Endoderm Formation In Vitro

    The authors uncovered that the FGF2-FGFR-ERK1/2 signaling contributed to mesendoderm and SOX17+ definitive endoderm (DE) formation. Without ERK1/2 signaling, the Activin/Nodal signaling was insufficient to drive mesendoderm and DE formation.
    [iScience]

    AbstractFull ArticleGraphical Abstract

    Derivation and Characteristics of Induced Pluripotent Stem Cells from a Patient with Acute Myelitis

    Scientists derived skin fibroblasts from a patient with acute myelitis (P-HAF) and then reprogrammed P-HAF cells to iPSC using eight exogenous factors.
    [Frontiers In Cell And Developmental Biology]

    Abstract

    Chemical Inhibitors of Cyclin-Dependent Kinase (CDKi) Improve Pancreatic Endocrine Differentiation of iPS Cells

    Researchers applied CDKi within a specific time window, which improved the efficiency of pancreatic endocrine cell induction. CDKi treatment reduced the prevalence of multi-layered regions and enhanced expression of PDX1 and NGN3.
    [In Vitro Cellular & Developmental Biology – Animal]

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    REVIEWS

    Building Human Artery and Vein Endothelial Cells from Pluripotent Stem Cells, and Enduring Mysteries Surrounding Arteriovenous Development

    Owing to their manifold roles in health and disease, there have been intense efforts to synthetically generate blood vessels in vitro from hPSCs. The authors summarize how arterial or venous endothelial cells arise during embryonic development.
    [Seminars in Cell & Developmental Biology]

    Abstract
    INDUSTRY AND POLICY NEWS

    Engineering Team Wins 2023 Armstrong Fund for Science Award

    The interdisciplinary team of Cathal Kearney, assistant professor of biomedical engineering, and Govind Srimathveeravalli, assistant professor in mechanical and industrial engineering, has received the 2023 Armstrong Fund for Science Award.
    [University of Massachusetts Amherst]

    Press Release
    FEATURED EVENT

    Unconventional and Emerging Experimental Organisms in Cell and Developmental Biology

    September 17 – 20, 2023
    Surrey, England, United Kingdom

    > See All Events

    JOB OPPORTUNITIES

    PhD Position – Epigenetics & β Cells

    University of Southern Denmark – Odense, Denmark

    Postdoctoral Researcher – Neurodegenerative Models Using iPSCs

    The Buck Institute – San Francisco, California, United States

    Clinical Cell Therapy Specialist – GMP Laboratory

    The University of Texas M. D. Anderson Cancer Center – Houston, Texas, United States

    Postdoctoral Research Associate – Hematopoietic Stem and Progenitor cells

    University Hospital RWTH Aachen – Aachen, Germany

    Lecturer – Bioengineering

    King’s College London – London, England, United Kingdom

    > See All Jobs

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