ESC & iPSC News Volume 17.36 | Sep 21 2022

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    2022-09-21 | ESC 17.36


    ESC & iPSC News by STEMCELL Technologies
    Vol. 17.36 – 21 September, 2022
    TOP STORY

    Imprinting Fidelity in Mouse iPSCs Depends on Sex of Donor Cell and Medium Formulation

    Scientists showed that imprinting defects were remarkably common in iPSCs, but their nature depended on the sex of donor cells and their response to culture conditions.
    [Nature Communications]

    Full Article
    2nd iPSC-Derived Cell Therapies Summit: The Flagship Forum Showcasing Discovery, Translation, CMC and Regulatory Advances
    PUBLICATIONSRanked by the impact factor of the journal

    A Stem Cell Roadmap of Ribosome Heterogeneity Reveals a Function for RPL10A in Mesoderm Production

    Employing quantitative mass spectrometry during hESC differentiation, investigators identified dozens of ribosome composition changes underlying cell fate specification.
    [Nature Communications]

    Full Article

    Induction of Functional Xeno-Free MSCs from Human iPSCs via a Neural Crest Cell Lineage

    Researchers transplanted the xeno-free-induced MSCs into mouse models for bone and skeletal muscle regeneration and confirmed their regenerative potency.
    [NPJ Regenerative Medicine]

    Full Article

    Second-Generation HIV Integrase Inhibitors Induce Differentiation Dysregulation and Exert Toxic Effects in Human Embryonic Stem Cell and Mouse Models

    The effects of integrase inhibitors on two hESC lines were characterized with respect to markers of pluripotency, early differentiation, and cellular health.
    [Journal of infectious Diseases]

    Abstract

    Different Transcriptional Profiles of Human Embryonic Stem Cells Grown in a Feeder-Free Culture System and on Human Foreskin Fibroblast Feeder Layers

    The authors revealed that the hESCs cultured in both conditions maintained the expression of stemness markers and the ability to spontaneously differentiate into the three germ layers.
    [Aging-Us]

    Full Article

    Fast Generation of Forebrain Oligodendrocyte Spheroids from Human Embryonic Stem Cells by Transcription Factors

    Scientists presented evidence that overexpression of SOX10 and OLIG2 in hESCs derived ventral forebrain neural progenitors was sufficient to produce forebrain pre-oligodendrocytes (OLs) and mature OLs within 20-40 days.
    [iScience]

    AbstractFull ArticleGraphical Abstract

    Human PSCs Determine the Competency of Cerebral Organoid Differentiation via FGF Signaling and Epigenetic Mechanisms

    Investigators identified fibroblast growth factor signaling in feeder-free PSC maintenance as a key factor that determined the differentiation toward cerebral organoids.
    [iScience]

    AbstractFull ArticleGraphical Abstract

    Xeno-Free Induced Pluripotent Stem Cell-Derived Neural Progenitor Cells for In Vivo Applications

    Researchers generated good manufacturing practice-compatible neural progenitor cells from transgene- and xeno-free induced pluripotent stem cells that can be smoothly adapted for clinical applications.
    [Journal of Translational Medicine]

    Full Article

    PFOS Disrupts Key Developmental Pathways during hiPSC Derived Cardiomyocyte Differentiation In Vitro

    Scientists examined the effect of perfluorooctanesulfonic acid (PFOS) on cardiomyocyte differentiation by transcriptomics profiling of two different hiPSC lines to see if they exhibited a common pattern of disruption.
    [Toxicology in Vitro]

    Full Article

    FACS-Assisted CRISPR-Cas9 Genome Editing of Human Induced Pluripotent Stem Cells

    The authors described the experimental strategy for generating knockout and knockin clonal populations of hiPSCs using single-cell sorting by flow cytometry.
    [STAR Protocols]

    Full ArticleGraphical Abstract

    CRISPR-Cas9 Screen in Human Embryonic Stem Cells to Identify Genes Required for Neural Differentiation

    Investigators presented a protocol to perform a CRISPR-Cas9 screen in hESCs to identify regulators that promoted SOX1 expression during neural progenitor cell formation.
    [STAR Protocols]

    Full ArticleGraphical Abstract
    View tips on how to share lab duties effectively.
    REVIEWS

    METTLing in Stem Cell and Cancer Biology

    Scientists summarize what is known about the role of methyltransferase-like (METTL) proteins in stem cell differentiation and their established roles in oncogenesis.
    [Stem Cell Reviews and Reports]

    AbstractGraphical Abstract
    INDUSTRY AND POLICY NEWS

    How to Fix Science’s Code Problem

    In the spring of 2013, around 180 scientists who had recently published computational studies in Science received an email from a Columbia University student asking for the code underpinning those pieces of research.
    [The Scientist]

    Press Release
    FEATURED EVENT

    Cell Symposia: Multifaceted Mitochondria

    November 6 – 8, 2022
    Seville, Spain

    > See All Events

    JOB OPPORTUNITIES

    Postdoctoral Position – Stem Cell Organoids

    Syracuse University – Syracuse, New York, United States

    Postdoctoral Research Associate – Rhabdomyosarcoma

    St. Jude Children’s Research Hospital – Memphis, Tennessee, United States

    PhD Position – Molecular Cell Biology & Genome Editing

    Leiden University Medical Center – Leiden, Netherlands

    Assistant Professor – Stem Cell Biology

    University of California Santa Cruz – Santa Cruz, California, United States

    Postdoctoral Research Associate – Oncology

    St. Jude Children’s Research Hospital – Memphis, Tennessee, United States

    > See All Jobs

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