ESC & iPSC News Volume 18.11 | Mar 22 2023

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    2023-03-22 | ESC & iPSC 18.11


    ESC & iPSC News by STEMCELL Technologies
    Vol. 18.11 – 22 March, 2023
    TOP STORY

    Highly Efficient and Rapid Generation of Human Pluripotent Stem Cells by Chemical Reprogramming

    By screening for small molecule boosters and systematically optimizing the original condition, scientists established a robust, chemically defined reprogramming protocol, which greatly shortened the induction time and enabled highly reproducible and efficient generation of human somatic cells to PSCs.
    [Cell Stem Cell]

    AbstractGraphical Abstract
    Return to your lab safely and efficiently with these guides and resources so that you can focus more on moving your research goals forward.
    PUBLICATIONSRanked by the impact factor of the journal

    Synthetic Regulatory Genomics Uncovers Enhancer Context Dependence at the Sox2 Locus

    Researchers analyzed the endogenous Sox2 locus using Big-IN to scarlessly integrate large DNA payloads incorporating deletions, rearrangements, and inversions affecting single or multiple DNase I hypersensitive sites, as well as surgical alterations to transcription factor recognition sequences.
    [Molecular Cell]

    AbstractGraphical Abstract

    Loss of H3K9 Trimethylation Alters Chromosome Compaction and Transcription Factor Retention during Mitosis

    Investigators showed that enzymes that catalyze H3K9 methylation, such as Suv39h1, Suv39h2, G9a, and Glp, were also retained on mitotic chromosomes.
    [Nature Structural & Molecular Biology]

    Full Article

    Induction of Fetal Meiotic Oocytes from Embryonic Stem Cells in Cynomolgus Monkeys

    The authors established a foundation for in vitro oogenesis in cynomolgus (cy) monkeys: cy female ESCs harboring one active and one inactive X chromosome differentiated robustly into primordial germ cell-like cells, which in xenogeneic reconstituted ovaries developed into oogonia and, further into meiotic oocytes.
    [EMBO Journal]

    AbstractGraphical Abstract

    Cell-Type Dependent Regulation of Pluripotency and Chromatin Remodeling Genes by Hydralazine

    Adult and neonatal human fibroblasts were treated with hydralazine and/or valproic acid, and viability and gene expression assays for OCT4, NANOG, c-MYC, KLF4, DNMT1, TET3, ARID1A, and ARID2 by quantitative PCR were performed.
    [Stem Cell Research & Therapy]

    Full Article

    Long Noncoding RNA Lnc530 Localizes on R-Loops and Regulates R-Loop Formation and Genomic Stability in Mouse Embryonic Stem Cells

    Researchers reported that mESCs could efficiently prevent unscheduled R-loop formation, and a long noncoding RNA Lnc530 played a regulatory role.
    [Stem Cell Reports]

    Full Article

    Commercial Dishes with Gelatin-Free Microstructured Inserts for Elongated Stem Cell Self-Renewal and Pluripotency

    Scientists reported scalable fabrication of 2i-functionalized micro-pyramid-array inserts for use in commercial multiwell plates, as the alternative cultivation platform for maintaining long-term self-renewal and pluripotency of multiple mESCs and miPSCs.
    [iScience]

    AbstractGraphical Abstract

    Particle-Tracking-Based Strategy for the Optimization of Agitation Conditions in a Suspension Culture of Human Induced Pluripotent Stem Cells in a Shaking Vessel

    Investigators observed that cell growth was ideally maintained by factors such as optimal acceleration, aggregate formation, and cell death.
    [Journal of Bioscience and Bioengineering]

    Abstract
    Organoids: Nature Research Round Table
    REVIEWS

    Lymphoid Cell Development from Fetal Hematopoietic Progenitors and Human Pluripotent Stem Cells

    The authors examine lymphoid development from non-hematopoietic stem cell progenitor cells and technological advances in the differentiation of human lymphoid cells from PSCs for clinical translation.
    [Immunological Reviews]

    Full Article
    INDUSTRY AND POLICY NEWS

    Stice, He Named UGA’s First Two Regents’ Entrepreneurs

    The University System of Georgia Board of Regents approved two University of Georgia professors, Steven Stice and Biao He, as Regents’ Entrepreneurs. The distinction recognizes faculty who have demonstrated success in translating research into a commercial setting.
    [University of Georgia]

    Press Release
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    JOB OPPORTUNITIES

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    Ariel University – Ariel, West Bank

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    Columbia University – New York, New York, United States

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    University of Pennsylvania – Philadelphia, Pennsylvania, United States

    Faculty Position – Diabetes Center

    UCSF Diabetes Center – San Francisco, California, United States

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