ESC & iPSC News Volume 17.25 | Jun 29 2022

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    2022-06-29 | ESC 17.25


    ESC & iPSC News by STEMCELL Technologies
    Vol. 17.25 – 29 June, 2022
    TOP STORY

    Induction of Mouse Totipotent Stem Cells by a Defined Chemical Cocktail

    Investigators demonstrated induction and long-term maintenance of totipotent stem cells from mPSCs by a combination of three small molecules, TTNPB, 1-Azakenpaullone, and WS6.
    [Nature]

    AbstractPress Release
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    PUBLICATIONSRanked by the impact factor of the journal

    CTCF Organizes Inter-A Compartment Interactions through RYBP-Dependent Phase Separation

    Researchers designed and verified an induced CTCF phase separation system in ESCs, which facilitated inter-A compartment interactions, improved self-renewal of ESCs, and inhibited their differentiation toward neural progenitor cells.
    [Cell Research]

    Abstract

    G1/S Restriction Point Coordinates Phasic Gene Expression and Cell Differentiation

    Scientists evaluated the link between G1/S restriction point activation, phasic gene expression, and cellular differentiation.
    [Nature Communications]

    Full Article

    The 22q11.2 Region Regulates Presynaptic Gene-Products Linked to Schizophrenia

    Investigators showed that upon iPSC differentiation into neural progenitor cells, the deletion of 22q11.2 acted in trans to alter the abundance of transcripts associated with risk for neurodevelopmental disorders including autism.
    [Nature Communications]

    Full Article

    KCNQ1-Deficient and KCNQ1-Mutant Human Embryonic Stem Cell-Derived Cardiomyocytes for Modeling QT Prolongation

    KCNQ1 was knocked out in the hESC H9 line using the CRISPR/cas9 system. KCNQ1-deficient and KCNQ1-mutant hESCs were differentiated into cardiomyocytes through a chemically defined differentiation protocol.
    [Stem Cell Research & Therapy]

    Full Article

    Hypoxia Drives Hematopoiesis with the Enhancement of T Lineage through Eliciting Arterial Specification of Hematopoietic Endothelial Progenitors from hESC

    Researchers reported a novel culture system for hematopoietic differentiation from hESCs with optimal cytokines combinations under hypoxia conditions.
    [Stem Cell Research & Therapy]

    Full Article

    HDAC Inhibitor and Proteasome Inhibitor Induce Cleavage and Exosome-Mediated Secretion of HSP90 in Mouse Pluripotent Stem Cells

    HDAC inhibitors and proteasome inhibitors induced heat shock protein 90 (HSP90) cleavage in the mouse ESC line R1, and the cleaved HSP90 was barely found in the cells and instead secreted out of the cells through the exosome.
    [Biochemical and Biophysical Research Communications]

    Abstract

    Differentiation and Maturation Effect of All-Trans Retinoic Acid on Cultured Fetal RPE and Stem Cell-Derived RPE Cells for Cell-Based Therapy

    Scientists investigated the culture-induced changes in passaged fetal retinal pigment epithelium (RPE), hESC-RPE, and hiPSC-RPE cells and explored the differentiation and maturation effect of all-trans retinoic acid on cells for manufacturing and screening high quality RPE cells for clinical transplantation.
    [Current Eye Research]

    Abstract

    Generation of Universal Natural Killer Cells from a Cryopreserved Cord Blood Mononuclear Cell-Derived Induced Pluripotent Stem Cell Library

    The authors prepared human leukocyte antigen (HLA)-matched iPSCs using HLA common haplotype homozygous donors from cryopreserved human cord blood sourced from the Tianjin Cord Blood Public Bank.
    [Febs Open Bio]

    AbstractFull Article

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    REVIEWS

    A Comprehensive Review on the Role of ZSCAN4 in Embryonic Development, Stem Cells, and Cancer

    Scientists discuss the multifaceted role of ZSCAN4 in embryonic development, ESCs, iPSCs, cancer, and germ cells.
    [Stem Cell Reviews and Reports]

    AbstractGraphical Abstract

    Human Pluripotent Stem Cells for the Modelling of Retinal Pigment Epithelium Homeostasis and Disease: A Review

    The authors review the current knowledge gained in understanding the molecular events involved in retinal disease using hPSC-derived retinal models, in particular retinal pigment epithelium models.
    [Clinical & Experimental Ophthalmology]

    Abstract
    INDUSTRY AND POLICY NEWS

    TreeFrog Therapeutics Launches a $100,000 Research Grant in Regenerative Medicine

    TreeFrog Therapeutics announced the launch of The Stem Cell SpaceShot Grant, a $100,000 research funding in the field of stem cell biology and regenerative medicine.
    [TreeFrog Therapeutics]

    Press Release

    Jiang Lab Received a $45,000 Gift Check from HIST1H1E (H1-E) Syndrome Foundation

    The family of Kimberly Greenberg and H1-E Syndrome Foundation presented a $45,000 gift check to Dr. Jiang’s lab, which has succeeded in modeling H1-4 causing neurodevelopmental defects using human H1-4 patient-derived iPSC and brain organoids.
    [Yale School of Medicine]

    Press Release

    FEATURED EVENT

    Cell UK

    November 7 – 8, 2022
    London, England, United Kingdom

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    JOB OPPORTUNITIES

    Postdoctoral Position – Bone and Stem Cell Research

    Uconn Health – Farmington, Connecticut, United States

    Research Technician – Tissue Biology and Disease Modelling

    European Molecular Biology Laboratory – Barcelona, Spain

    Cell Biologist – Alzheimer’s disease

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

    Postdoctoral Research Associate – Alzheimer’s Disease

    The University of Arizona – Tucson, Arizona, United States

    Director – iPSC NeuroCore

    Yale University – New Haven, Connecticut, United States

    > See All Jobs

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