ESC & iPSC News Volume 16.21 | Jun 2 2021

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    2021-06-02 | ESC 16.21


    ESC & iPSC News by STEMCELL Technologies
    Vol. 16.21 – 2 June, 2021
    TOP STORY

    Generation of Mature Compact Ventricular Cardiomyocytes from Human Pluripotent Stem Cells

    Scientists established a differentiation strategy that promoted the specification, proliferation and maturation of compact ventricular cardiomyocytes from human PSCs.
    [Nature Communications]

    Full Article

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    PUBLICATIONSRanked by the impact factor of the journal

    Construction of a Mammalian Embryo Model from Stem Cells Organized by a Morphogen Signaling Centre

    In situ hybridization, immunolabelling, cell tracking and transcriptomic analyses showed that the embryoids form the three germ layers through a gastrulation process and that they exhibited a wide range of developmental structures, highly similar to neurula-stage mouse embryos.
    [Nature Communications]

    Full Article

    Zbtb46-Dependent Altered Developmental Program in Embryonic Stem Cell-Derived Blood Cell Progenitors

    Investigators probed the effect of the Zbtb46 transcription factor in ESC-derived blood cell progenitors using chemically inducible mouse cell lines.
    [Stem Cells]

    Abstract

    MorphoScript: A Dedicated Analysis to Assess the Morphology and Contractile Structures of Cardiomyocytes Derived from Stem Cells

    Researchers used a commercial maturation medium intended to promote the maturation status of human iPSC-cardiomyocytes, and compared the parameters with the ones obtained with standard culture medium, and with freshly dissociated mouse cardiomyocytes.
    [Bioinformatics]

    Abstract

    Ubiquitin-Specific Protease 3 Deubiquitinates and Stabilizes Oct4 Protein in Human Embryonic Stem Cells

    Investigators generated a ubiquitin-specific protease 3 gene knockout using the CRISPR/Cas9 system and demonstrated that USP3 acted as a protein stabilizer of Oct4 by deubiquitinating Oct4.
    [International Journal of Molecular Sciences]

    Full Article

    Generation of Three Heterozygous KCNH2 Mutation-Carrying Human Induced Pluripotent Stem Cell Lines for Modeling LQT2 Syndrome

    Researchers generated three human-iPSC lines from peripheral blood mononuclear cells of two long QT syndrome type 2 (LQT2) patients carrying pathogenic variants and one LQT2 patient carrying a variant of uncertain significance in KCNH2.
    [Stem Cell Research]

    Full Article

    A Selective Cytotoxic Adenovirus Vector for Concentration of Pluripotent Stem Cells in Human Pluripotent Stem Cell-Derived Neural Progenitor Cells

    The authors investigated whether a generation of an adenovirus vectors that possess a suicide gene allow for detection of undifferentiated human iPSCs in preparations of human iPSC-derived neural progenitor cells, which have been expected to treat neurological disorders.
    [Scientific Reports]

    Full Article

    Glycoproteomic Analysis of the Changes in Protein N-Glycosylation during Neuronal Differentiation in Human-Induced Pluripotent Stem Cells and Derived Neuronal Cells

    Researchers conducted sequential LC/MS/MS analyses of tryptic digest, enriched glycopeptides, and deglycosylated peptides of proteins derived from human iPSCs and iPSC-derived neuronal cells, which were used as a model of neuronal differentiation.
    [Scientific Reports]

    Full Article

    Generation and Genetic Correction of USH2A c.2299delG Mutation in Patient-Derived Induced Pluripotent Stem Cells

    To study the molecular mechanisms of Usher syndrome and develop a gene therapy strategy, investigators generated human iPSCs from peripheral blood mononuclear cells obtained from a patient carrying compound heterozygous variants of USH2A c.2299delG and c.1256G>T and the patient’s healthy sibling.
    [Genes]

    Full Article

    The Pluripotency Transcription Factor OCT4 Represses Heme Oxygenase-1 Gene Expression

    Scientists found that the HO-1 gene was expressed in ESCs and induced after promoting differentiation. Downregulation of the pluripotency transcription factor (TF) OCT4 increased HO-1 mRNA levels in ESCs, and analysis of ChIP-seq public data revealed that this TF bound to the HO-1 gene locus in pluripotent cells.
    [FEB Letters]

    Abstract

    Design of Suspension Culture System with Bubble Sparging for Human Induced Pluripotent Stem Cells in a Plastic Fluid

    A culture system with bubble sparging for human iPSC proliferation was designed using a plastic fluid as a culture medium.
    [Journal of Bioscience and Bioengineering]

    Abstract

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    REVIEWS

    Induced Tissue-Specific Stem Cells (iTSCs): Their Generation and Possible Use in Regenerative Medicine

    The authors provide a brief overview of iPSCs and discusses recent advances in the establishment of induced nduced tissue-specific stem cells and their possible applications in regenerative medicine.
    [Pharmaceutics]

    Full Article

    Human Pluripotent Stem-Cell-Derived Models as a Missing Link in Drug Discovery and Development

    By analyzing each stage of the drug discovery and development process, scientists identified the active role of human PSC-derived in vitro models in phenotypic screening, target-based screening, target validation, toxicology evaluation, precision medicine, clinical trial in a dish, and post-clinical studies.
    [Pharmaceuticals]

    Full Article

    INDUSTRY AND POLICY NEWS

    Using 3D Brain Organoids to Study Prader-Willi Syndrome

    Dr. Partha Das of Monash University’s Biomedicine Discovery Institute has been announced as the recipient of the Prader Willi Research Foundation Australia 2020 Prader-Willi Syndrome (PWS) Grant Round. Dr. Das’ project will grow and study 3D brain organoids from people with PWS.
    [Monash University]

    Press Release

    FEATURED EVENT

    Corning 3D Cell Culture Summit

    June 16 – 17, 2021
    Virtual

    > See All Events

    JOB OPPORTUNITIES

    Postdoctoral Fellowship – Center for Stem Cell and Organoid Medicine

    Cincinnati Children’s Hospital Medical Center – Cincinnati, Ohio, United States

    Postdoctoral Position – Stemness Control in Pluripotent and Cancer Cells

    Columbia University Medical Center – New York, New York, United States

    Research Associate – Cancer Stem Cell Biology

    City of Hope – Duarte, California, United States

    Postdoctoral Fellow – Stem Cell Derived Therapeutics

    University of British Columbia – Vancouver, British Columbia, Canada

    Postdoctoral Fellow – Stem Cell Differentiation

    NYU Langone Medical Center – New York, New York, United States

    > See All Jobs

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