ESC & iPSC News Volume 18.04 | Feb 01 2023

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    2023-02-01 | ESC & iPSC 18.04


    ESC & iPSC News by STEMCELL Technologies
    Vol. 18.04 – 1 February, 2023
    TOP STORY

    DNMT3B Supports Meso-Endoderm Differentiation from Mouse Embryonic Stem Cells

    Using in vitro stem cell differentiation and loss of function experiments combined with high-throughput genome-wide bisulfite-, bulk-, and single-cell RNA-sequencing, researchers dissected the specific role of DNMT3B in cell fate.
    [Nature Communications]

    Full Article
    Watch Video Recordings from the Nature Research Round Table on hPSC Quality
    PUBLICATIONSRanked by the impact factor of the journal

    Epigenetic and Transcriptional Regulations Prime Cell Fate before Division during Human Pluripotent Stem Cell Differentiation

    Using the FUCCI reporter, scientists developed a cell-cycle synchronized hPSC differentiation system for uncovering epigenome and transcriptome dynamics during the first two divisions leading to definitive endoderm.
    [Nature Communications]

    Full Article

    Lnc956-TRIM28-HSP90B1 Complex on Replication Forks Promotes CMG Helicase Retention to Ensure Stem Cell Genomic Stability and Embryogenesis

    Investigators identified an uncharacterized long noncoding RNA NONMMUT028956 (Lnc956) predominantly expressed in mESCs. Lnc956 was accumulated on replication forks to prevent fork collapse and preserve genomic stability and was essential for mouse embryogenesis.
    [Science Advances]

    Full Article

    RNA Exosome Ribonuclease DIS3 Degrades Pou6f1 to Promote Mouse Pre-implantation Cell Differentiation

    To overcome the paucity of embryos, the authors derived homozygous Dis3 null mESCs to identify additional gene targets of POU6F1.
    [Cell Reports]

    Full ArticleGraphical Abstract

    Efficient Generation of Marmoset Primordial Germ Cell-Like Cells Using Induced Pluripotent Stem Cells

    Researchers established robust methods for iPSC culture in the common marmoset, allowing stable propagation in an undifferentiated state.
    [Elife]

    Abstract

    NANOGP1, a Tandem Duplicate of NANOG, Exhibits Partial Functional Conservation in Human Naïve Pluripotent Stem Cells

    To study the contribution of duplicated genes to human early development, investigators examined the evolution and function of NANOGP1, a tandem duplicate of the transcription factor NANOG.
    [Development]

    Full Article

    FAM122A Is Required for Mesendodermal and Cardiac Differentiation of Embryonic Stem Cells

    Scientists observed that Fam122a deficiency impaired mesendodermal specification and cardiac differentiation from mESCs but showed no influence on pluripotent identity.
    [Stem Cells]

    AbstractGraphical Abstract

    Expression of Chrna9 Is Regulated by Tbx3 in Undifferentiated Pluripotent Stem Cells

    The authors comprehensively investigated the gene expression of α subunit of nicotinic acetylcholine receptors (Chrna) during differentiation and induction of PSCs. mESCs expressed multiple Chrna genes in undifferentiated status.
    [Scientific Reports]

    Full Article

    Nanosheet Coating Improves Stability of Human Pluripotent Stem Cell Culture on Glass Substrates

    Investigators reported that coating the glass substrate using nanosheet composed of hydrophobic polystyrene, with Matrigel, significantly improved the viability of hPSCs.
    [Biochemical and Biophysical Research Communications]

    Full Article
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    REVIEWS

    Characterization of Human Induced Pluripotent Stems Cells: Current Approaches, Challenges, and Future Solutions

    Scientists review some of the key analytical methods used as part of identity, potency, or safety in process or final product release testing and highlighted the challenges and potential solutions for consideration in the Chemistry, Manufacturing, and Controls strategy for iPSC-based therapies.
    [Biotechnology Reports]

    Full ArticleGraphical Abstract
    INDUSTRY AND POLICY NEWS

    Two KI Researchers Awarded ERC Consolidator Grants

    Two Karolinska Institute (KI) researchers – Simon Elsässer and Magda Bienko – have been awarded the 2022 European Research Council (ERC) Consolidator Grants that will support two ambitious basic research projects on the understanding of the complex nature of cells.
    [Karolinska Institute]

    Press Release
    FEATURED EVENT

    EBMT 49th Annual Meeting

    April 23 – 26, 2023
    Paris, France

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    JOB OPPORTUNITIES

    Scientist/Assistant Professor – Stem Cells and Regenerative Medicine

    Ottawa Hospital Research Institute – Ottawa, Ontario, Canada

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    Lund University – Lund, Sweden

    Research Assistant – Gene Regulation

    The University of British Columbia – Vancouver, British Columbia, Canada

    Assistant Professor – Stem Cells and Regenerative Medicine

    The Ottawa Hospital – Ottawa, Ontario, Canada

    Research Technician – 3DVasCMD

    European Molecular Biology Laboratory – Barcelona, Spain

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