ESC & iPSC News Volume 17.32 | Aug 17 2022

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    2022-08-17 | ESC 17.32


    ESC & iPSC News by STEMCELL Technologies
    Vol. 17.32 – 17 August, 2022
    TOP STORY

    Substantial Somatic Genomic Variation and Selection for BCOR Mutations in Human Induced Pluripotent Stem Cells

    Researchers found ultraviolet light-related damage in ~72% of skin fibroblast-derived hiPSCs, occasionally resulting in substantial mutagenesis.
    [Nature Genetics]

    Full ArticlePress Release
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    PUBLICATIONSRanked by the impact factor of the journal

    A CRISPRi/a Platform in Human iPSC-Derived Microglia Uncovers Regulators of Disease States

    Scientists presented a screening platform to systematically elucidate functional consequences of genetic perturbations in hiPSC-derived microglia.
    [Nature Neuroscience]

    Full Article

    Single-Cell Multi-Omics of Human Preimplantation Embryos Demonstrates Susceptibility to Glucocorticoids

    Researchers presented a comprehensive single-cell transcriptome, methylome, and small RNA atlas in the day seven human embryo.
    [Genome Research]

    Abstract

    Induced Pluripotent Stem Cells Display a Distinct Set of MHC I-Associated Peptides Shared by Human Cancers

    The authors characterized the MHC I-associated peptide (MAP) repertoire of hiPSCs using proteogenomics. Their analyses revealed a set of 46 pluripotency-associated MAPs absent from the transcriptome of normal tissues and adult stem cells but expressed in PSCs and multiple adult cancers.
    [Cell Reports]

    Full ArticleGraphical Abstract

    Transcriptomics, Regulatory Syntax, and Enhancer Identification in Mesoderm-Induced ESCs at Single-Cell Resolution

    Bulk and single-cell-based assays were employed to catalog gene expression, histone modifications, chromatin conformation, and accessibility transitions in ESC populations and individual cells acquiring a presomitic mesoderm fate.
    [Cell Reports]

    Full ArticleGraphical Abstract

    Inducible Motor Neuron Differentiation of Human Induced Pluripotent Stem Cells In Vivo

    Investigators established a potential therapeutic strategy for motor neuron diseases by in vivo directional differentiation of hiPSCs engineered with motor neuron specific transcription factors and Tet-On system.
    [Cell Proliferation]

    Full Article

    In Depth Functional Characterization of Human Induced Pluripotent Stem Cell-Derived Beta Cells In Vitro and In Vivo

    Using a seven-stage protocol, hiPSCs were differentiated into islet-like aggregates with a yield of insulin-positive beta cells comparable to that of human islets.
    [Frontiers in Cell and Developmental Biology]

    Full Article

    Differential Gene Expression in iPSC-Derived Human Intestinal Epithelial Cell Layers Following Exposure to Two Concentrations of Butyrate, Propionate and Acetate

    The authors used hiPSC derived intestinal epithelial cells, grown as a cell layer, to study the effects of butyrate, propionate, and acetate on whole genome gene expression in the cells.
    [Scientific Reports]

    Full Article

    Comparative Functional Genomics Identifies Unique Molecular Features of EPSCs

    Scientists studied transcriptome, chromatin accessibility, active histone modification marks, and relative proteomes of ESCs and the two well-established expanded potential stem cells (EPSCs) lines to probe the molecular foundation underlying EPSC developmental potential.
    [Life Science Alliance]

    Full ArticleGraphical Abstract

    hiPSC-Derived Bone Marrow Milieu Identifies a Clinically Actionable Driver of Niche-Mediated Treatment Resistance in Leukemia

    Researchers developed hiPSC-engineered niches to reveal druggable cancer-niche dependencies. They revealed that mesenchymal and vascular niche-like hiPSC-derived cells supported ex vivo proliferation of patient-derived leukemia cells, affect dormancy, and mediated treatment resistance.
    [Cell Reports Medicine]

    Full ArticleGraphical Abstract
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    REVIEWS

    The Multifaceted Role of LRRK2 in Parkinson’s Disease: From Human iPSC to Organoids

    The authors discuss the use of hiPSCs as a model for Parkinson’s disease pathology and research on the Leucine-Rich Repeat Kinase 2 (LRRK2) function in both neuronal and immune cells, together with reviewing the recent advances in 3D organoid models and microfluidics.
    [Neurobiology of Disease]

    Full Article
    INDUSTRY AND POLICY NEWS

    The UK Is Getting a New Prime Minister — What Will It Mean for Science?

    The race to decide who will become the new leader of the UK Conservative Party, and the country’s next Prime Minister, has less than a month left to run.
    [Nature]

    Press Release
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    JOB OPPORTUNITIES

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    Oklahoma Medical Research Foundation – Oklahoma City, Oklahoma, United States

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    Shenzhen Institute of Advanced Technology – Shenzhen, China

    Professor and Canada Research Chair – Neurodevelopment

    University of Calgary – Calgary, Alberta, Canada

    Postdoctoral Scientist Positions – Tissue Engineering

    Yale University – New Haven, Connecticut, United States

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