ESC & iPSC News Volume 19.15 | Apr 24 2024

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    2024-04-24 | ESC & iPSC 19.15


    ESC & iPSC News by STEMCELL Technologies
    Vol. 19.15 – 24 April, 2024
    TOP STORY

    Mannose Controls Mesoderm Specification and Symmetry Breaking in Mouse Gastruloids

    To understand how metabolism impacted early mesoderm development, scientists used mESC-derived gastruloids, that co-expressed glucose transporters with the mesodermal marker T/Bra.
    [Developmental Cell]

    Full ArticleGraphical Abstract
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    Detection of Newly Synthesized RNA Reveals Transcriptional Reprogramming during ZGA and a Role of Obox3 in Totipotency Acquisition

    The authors developed a method to capture and sequence newly synthesized RNA in early mouse embryos, providing a view of transcriptional reprogramming during zygotic genome activation.
    [Cell Reports]

    Full ArticleGraphical Abstract

    Chromatin Landscape Instructs Precise Transcription Factor Regulome during Embryonic Lineage Specification

    Researchers delineated the dynamics of TFAP2C during the mouse peri-implantation stage and elucidated its collaboration with the key lineage regulators CDX2 and NANOG.
    [Cell Reports]

    Full ArticleGraphical Abstract

    Phototoxicity Avoidance Is a Potential Therapeutic Approach for Retinal Dystrophy Caused by EYS Dysfunction

    Scientists generated retinal organoids from iPSCs derived from patients with eyes shut homolog (EYS)-associated retinal dystrophy.
    [JCI Insight]

    Full ArticleGraphical Abstract

    Murine and Human-Purified Very Small Embryonic-like Stem Cells (VSELs) Express Purinergic Receptors and Migrate to Extracellular ATP Gradient

    Researchers reported that human umbilical cord blood and murine bone marrow purified VSELs expressed mRNA for P1 and P2 purinergic receptors and CD39 and CD73 ectonucleotidases converting extracellular ATP into its signaling metabolite extracellular adenosine.
    [Stem Cell Reviews And Reports]

    Full ArticleGraphical Abstract

    Analysis of Long-Range Chromatin Contacts, Compartments and Looping between Mouse Embryonic Stem Cells, Lens Epithelium, and Lens Fibers

    Chromatin organization between mESCs, newborn lens epithelium, and fiber cells were analyzed using Hi-C. Localization of CTCF in both lens chromatins was determined by ChIP-seq and compared with ESCs.
    [Epigenetics & Chromatin]

    Full Article

    Tbl1 Promotes Wnt/β-Catenin Signaling-Induced Degradation of the Tcf7l1 Protein in Mouse ESCs

    Investigators showed that the overexpression of transducin-β-like protein 1 (Tbl1) or its family member Tblr1 could decrease Tcf7l1 protein levels, while the knockdown of each increased Tcf7l1 levels without affecting Tcf7l1 transcription.
    [Journal of Cell Science]

    Abstract

    Maternal Factor Trim75 Contributes to Zygotic Genome Activation Program in Mouse Early Embryos

    The authors utilized published single-cell RNA sequencing data from a Dux-mediated mESCs to induce a 2-cell-like transition state and selected potential drivers for the transition according to an RNA velocity analysis.
    [Molecular Biology Reports]

    Abstract
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    REVIEWS

    Dynamic Roles of Signaling Pathways in Maintaining Pluripotency of Mouse and Human Embryonic Stem Cells

    Scientists discuss the role of canonical signaling pathways implicated in the regulation of pluripotency and differentiation particularly in mouse and human ESCs.
    [Cellular Reprogramming]

    Abstract
    INDUSTRY AND POLICY NEWS

    Canadian Science Gets Biggest Boost to PhD and Postdoc Pay in 20 Years

    Researchers in Canada got most of what they were hoping for in the country’s 2024 federal budget, with a big boost in postgraduate pay and more funding for research and scientific infrastructure.
    [Nature]

    Editorial
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    JOB OPPORTUNITIES

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    VIB – Leuven, Belgium

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