ESC & iPSC News Volume 15.35 | Sep 16, 2020

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    2020-09-16 | ESC 15.35


    ESC & iPSC News by STEMCELL Technologies
    Vol. 15.35 – 16 September, 2020
    TOP STORY

    Reprogramming Roadmap Reveals Route to Human Induced Trophoblast Stem Cells

    Scientists reconstructed molecular reprogramming trajectories of human dermal fibroblasts using single-cell transcriptomics. This revealed that reprogramming into primed and naive pluripotency followed diverging and distinct trajectories.
    [Nature]

    Abstract

    New mTeSRâ„¢ Plus hPSC Maintenance Medium
    PUBLICATIONSRanked by the impact factor of the journal

    Production, Safety and Efficacy of iPSC-Derived Mesenchymal Stromal Cells in Acute Steroid-Resistant Graft versus Host Disease: A Phase I, Multicenter, Open-Label, Dose-Escalation Study

    The primary objective of this study was to assess the safety and tolerability of CYP-001 (iPSC-derived MSCs), while the secondary objectives were to evaluate efficacy based on the proportion of participants who showed a complete response, overall response and overall survival by days 28/100.
    [Nature Medicine]

    Full Article

    Polygenic Architecture Informs Potential Vulnerability to Drug-Induced Liver Injury

    The polygenic risk score predicted the susceptibility to drug-induced liver injury in patients treated with fasiglifam, amoxicillin–clavulanate or flucloxacillin and in primary hepatocytes and stem cell-derived organoids from multiple donors treated with over ten different drugs.
    [Nature Medicine]

    Abstract

    Let-7 Derived from Endometrial Extracellular Vesicles is an Important Inducer of Embryonic Diapause in Mice

    Scientists demonstrated that overexpression of microRNA let-7a or incubation with let-7g–enriched extracellular vesicles from endometrial epithelial cells prolonged the in vitro survival of mouse blastocysts, which developed into live pups after having been transferred to foster mothers.
    [Science Advances]

    Full Article

    Human Cerebral Organoids Reveal Early Spatiotemporal Dynamics and Pharmacological Responses of UBE3A

    Human cerebral organoids revealed a change from weak to strong UBE3A in neuronal nuclei within three weeks of culture. Angelman syndrome human induced pluripotent stem cell-derived organoids also exhibited early silencing of paternal UBE3A, with topoisomerase inhibitors partially rescuing UBE3A levels and calcium transient phenotypes.
    [Stem Cell Reports]

    Full ArticleGraphical Abstract

    Pluripotent Stem Cell Model of Shwachman–Diamond Syndrome Reveals Apoptotic Predisposition of Hemoangiogenic Progenitors

    The authors established iPSCs from patients with Shwachman–Diamond syndrome and analyzed their in vitro hematopoietic and endothelial differentiation potentials.
    [Scientific Reports]

    Full Article

    HDAC6 Is Critical for Ketamine-Induced Impairment of Dendritic and Spine Growth in GABAergic projection neurons

    Investigators used a human iPSC-derived striatal GABA neuron system to investigate the effects of ketamine on histone deacetylase 6 (HDAC6) and the morphological development of medium spiny neurons.
    [Acta Pharmacologica Sinica]

    Abstract

    iPSC-Derived Endothelial Networks Accelerate Vascularization but Not Bone Regeneration

    Vascular networks were generated from endothelial cells (ECs) derived from human iPSCs. Network formation by iPSC-ECs within fibrin gels was investigated in a mesenchymal stem cell co-culture spheroid model.
    [Tissue Engineering]

    Abstract

    Nicotinamide Restricts Neural Precursor Proliferation to Enhance Catecholaminergic Neuronal Subtype Differentiation from Mouse Embryonic Stem Cells

    Researchers investigated the ability of nicotinamide to promote the development of mature catecholaminergic neuronal populations (associated with Parkinson’s disease) from mouse ESCs, as well as investigating the underlying mechanisms of nicotinamide’s action.
    [PLoS One]

    Full Article

    Request your free copy of the 'Directed Differentiation of Pluripotent Stem Cells' Wallchart
    REVIEWS

    Electrospun Scaffolds and Induced Pluripotent Stem Cell-Derived Cardiomyocytes for Cardiac Tissue Engineering Applications

    The authors present the requirements, challenges, and research surrounding electrospun scaffolds and induced pluripotent stem cell (iPSC)-derived cardiomyocytes towards applications to tissue engineering (TE) hearts. Electrospinning is an attractive fabrication method for cardiac TE scaffolds because it produces fibers that demonstrate the optimal potential for mimicking the complex structure of the cardiac extracellular matrix.
    [Bioengineering]

    AbstractGraphical Abstract

    INDUSTRY AND POLICY NEWS

    Century Therapeutics Announces Appointment of Michael C. Diem as Chief Business Officer

    Century Therapeutics, developer of iPSC-derived allogeneic cell therapies for cancer, has announced the appointment of Michael C. Diem, MD, as Chief Business Officer. Dr. Diem has more than 15 years of experience in the global pharmaceutical and biotech industries and nearly 10 years of experience in academic and clinical medicine.
    [Century Therapeutics (Business Wire, Inc.)]

    Press Release

    Curi Bio Launches ComboMat Platform for iPSC-Based Drug Discovery

    Curi Bio has announced the ComboMat™ platform, a proprietary human iPSC-derived cardiomyocyte maturation technology. Curi’s ComboMat platform leverages a combination of cues—including a proprietary microRNA cocktail—to drive the functional development and maturation of cardiomyocytes with applications in drug discovery, disease modeling, and safety and efficacy screening.
    [Curi Bio]

    Press Release

    FEATURED EVENT

    Cell Biology 2020

    September 23
    Virtual

    > See All Events

    JOB OPPORTUNITIES

    Assistant/Associate Professor – Center for Molecular Medicine

    The University of Georgia – Athens, Georgia, United States

    Postdoctoral Fellow – Stem Cells and Organoid Biology

    Max-Planck Center for Tissue Stem Cell Research and Regenerative Medicine – Guangzhou, China or Maine, United States

    Postdoctoral Research Scholar – Stem Cell Biology

    University of Washington – Seattle, Washington, United States

    Senior Laboratory Research Scientist – Quantitative Cell Biology

    The Francis Crick Institute – London, England, United Kingdom

    Assistant Professor – Skeletal Biologist

    University of Saskatchewan – Saskatoon, Saskatchewan, Canada

    Postdoctoral Position – Human Pluripotent Stem Cells, Hematopoiesis and Leukemia

    Icahn School of Medicine at Mount Sinai – New York City, New York, United States

    > See All Jobs

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