ESC & iPSC News Volume 17.15 | Apr 20 2022

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    2022-04-20 | ESC 17.15


    ESC & iPSC News by STEMCELL Technologies
    Vol. 17.15 – 20 April, 2022
    TOP STORY

    Generation of 3D Lacrimal Gland Organoids from Human Pluripotent Stem Cells

    Researchers identified cells with characteristics of lacrimal gland primordia that emerged in 2D eye-like organoids cultured from human PSCs.
    [Nature]

    Abstract
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    Amniogenesis Occurs in Two Independent Waves in Primates

    The authors employed the naive-to-primed transition of human PSCs to model peri-implantation epiblast development.
    [Cell Stem Cell]

    Full ArticleGraphical Abstract

    TINF2 as a Potential Therapeutic Approach to Restore Telomere Length in Dyskeratosis Congenita

    Scientists endogenously introduced TIN2-dyskeratosis congenita (DC) mutations in human ESCs and human hematopoietic stem and progenitor cells to dissect the disease mechanism and identified a gene editing strategy that rescued the DC phenotypes.
    [Blood]

    Abstract

    Generating Functional Cells through Enhanced Interspecies Chimerism with Human Pluripotent Stem Cells

    Investigators showed that hPSCs failed to differentiate and contributed teratoma in the presence of mouse PSCs, while MYCN, a pro-growth factor, dramatically promoted hPSC contributions in teratoma co-formation by hPSCs/mPSCs.
    [Stem Cell Reports]

    Full Article

    YY1 Safeguard Multidimensional Epigenetic Landscape Associated with Extended Pluripotency

    Researchers discovered that YY1 bound to specific open chromatin regions in extended pluripotent stem cells (EPSCs). Yy1 depletion in EPSCs led to a gene expression pattern more similar to that of ESCs than control EPSCs.
    [Nucleic Acids Research]

    Full Article
    Graphical Abstract

    Movements of Ancient Human Endogenous Retroviruses Detected in SOX2-Expressing Cells

    Investigators showed that SOX2, which plays a key role in maintaining the pluripotency of stem cells, was critical for human endogenous retroviruses-K LTR5Hs.
    [Journal of Virology]

    Abstract

    Generation of Two Induced Pluripotent Stem Cell Lines, GZHMCi009-A and GZHMCi010-A, Derived from Peripheral Blood Mononuclear Cells of Two SCA3 Patients with 14/74 CAG Repeats of the ATXN3 Mutation

    The construction of iPSCs from two spinal cerebellar ataxia type 3 (SCA3) patients (14/74 CAG repeats) may serve as an excellent tool for studying SCA3 disease mechanisms and for drug screening.
    [Stem Cell Research]

    Full Article

    Characterization of Hypothalamic MCH Neuron Development in a 3D Differentiation System of Mouse Embryonic Stem Cells

    Researchers reported that a 3D culture of mouse ESCs could generate hypothalamic-like tissues containing melanin-concentrating hormone (MCH)-positive neurons, which reproduced morphologic maturation, neuronal connectivity, and neuropeptide/neurotransmitter phenotype of native MCH neurons.
    [eNeuro]

    Abstract

    Generating 3D Spheres and 2D Air-Liquid Interface Cultures of Human Induced Pluripotent Stem Cell-Derived Type 2 Alveolar Epithelial Cells

    iPSC-derived type 2 alveolar epithelial cells could be generated through a directed differentiation protocol that recapitulated in vivo lung development
    [Developmental Biology]

    Full Article
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    REVIEWS

    Sex Differences in Telomere Length, Lifespan, and Embryonic Dyskerin Levels

    Levels of telomerase RNA and dyskerin, encoded by DKC1, are known to limit telomerase activity in ESCs. X-linked DKC1 is expressed from both alleles in female embryo cells and higher levels of dyskerin and telomerase could elongate telomeres prior to embryo implantation.
    [Aging Cell]

    Full Article

    Generation of Male Germ Cells In Vitro from the Stem Cells

    Scientists address the current advance in the derivation of male germ cells in vitro from stem cells based on studies, and highlight the perspectives and potential application of stem cell-derived male gametes in reproductive medicine.
    [Asian Journal of Andrology]

    Abstract
    INDUSTRY AND POLICY NEWS

    Manufacturing Stem Cells in Space

    Researchers at Cedars-Sinai are launching their expertise into space to see if they can elevate the next generation of stem cell and gene therapies by harnessing the near-zero gravity conditions of spaceflight.
    [Cedars Sinai]

    Press Release

    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
    FEATURED EVENT

    Keystone Symposia – Tissue Fibrosis and Repair

    June 12 – 16, 2022
    Keystone Symposia, Colorado, United States

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    JOB OPPORTUNITIES

    Research Scientist – Pancreatic Adenocarcinoma Tumor Microenvironment

    Albert Einstein College of Medicine – New York, New York, United States

    Postdoctoral Fellow – Single-Cell Genomics of Human Development

    University of Gothenburg – Gothenburg, Sweden

    Laboratory Technician – iPSC and Organoid Maintenance

    Harvard University – Cambridge, Massachusetts, United States

    Research Associate – Pluripotent Stem Cells

    Baylor College of Medicine – Houston, Texas, United States

    Postdoctoral Associate – Planarian Stem Cell Biology and Regeneration

    Baylor College of Medicine – Houston, Texas, United States

    > See All Jobs

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