ESC & iPSC News Volume 17.16 | April 27 2022

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    2022-04-20 | ESC 7.16


    ESC & iPSC News by STEMCELL Technologies
    Vol. 17.16 – 27 April, 2022
    TOP STORY

    Metabolically Driven Maturation of Human-Induced-Pluripotent-Stem-Cell-Derived Cardiac Microtissues on Microfluidic Chips

    The authors showed that suitable combinations of mechanical stimuli and metabolic cues could enhance the maturation of human iPSC-derived cardiomyocytes, and that the maturation-inducing cues had phenotype-dependent effects on the cells’ action-potential morphology and calcium handling.
    [Nature Biomedical Engineering]

    Abstract
    Image of erythroblasts which were simply & efficiently generated from PSCs using the STEMdiff Erythroid Kit.
    PUBLICATIONSRanked by the impact factor of the journal

    Differential Effects of Macrophage Subtypes on SARS-CoV-2 Infection in a Human Pluripotent Stem Cell-Derived Model

    Researchers established a lung and macrophage co-culture system derived from hPSCs, modeling the host-pathogen interaction in SARS-CoV-2 infection.
    [Nature Communications]

    Full Article

    Active Endogenous Retroviral Elements in Human Pluripotent Stem Cells Play a Role in Regulating Host Gene Expression

    Investigators dissected the landscape of histone modifications and regulatory map of LTRs by integrating 98 ChIP-seq data in human ESCs, and annotated the active LTRs enriching enhancer/promoter-related histone marks.
    [Nucleic Acids Research]

    Full Article

    Argonaute Proteins Regulate a Specific Network of Genes through KLF4 in Mouse Embryonic Stem Cells

    Scientists showed that in mouse ESCs, argonaute 1&2 served additional functions that go beyond the miRNA pathway.
    [Stem Cell Reports]

    Full ArticleGraphical Abstract

    Functional Microglia Derived from Human Pluripotent Stem Cells Empower Retinal Organ

    By mimicking in vivo microglial development, researchers established a simplified approach to differentiate hPSCs into high purity brain-induced microglia-like cells.
    [Science China Life Sciences]

    Abstract

    Generation of a Human Induced Pluripotent Stem Cell (iPSC) Line (JUCTCi019-a) from a Patient with Charcot-Marie-Tooth Disease Type 2A2 (CMT2A2) Due to a Heterozygous Missense Substitution c.2119C > T (p.Arg707Trp) in MFN2 Gene

    The authors generated a human iPSC line JUCTCi019-A using dermal fibroblasts-derived from a 50-year-old CMT2A2 patient carrying a heterozygous missense substitution c.2119C > T in the MFN2 gene.
    [Stem Cell Research]

    Full Article

    Generation of an Induced Pluripotent Stem Cell Line (ZZUi034-a) from a 65 Year Old Chinese Female Donor with Sendai Virus Reprogramming Protocol

    The iPSC line showed pluripotency which was confirmed by immunofluorescent staining; the iPSC line was also able to form embryoid bodies in vitro and differentiate into the three germ layers in vivo.
    [Stem Cell Research]

    Abstract

    Development of an Induced Pluripotent Stem Cell–Specific MicroRNA Assay for Detection of Residual Undifferentiated Cells in Natural Killer Cell Therapy Products

    Combining miRNA sequencing data with publicly archived miRNA microarray datasets, investigators demonstrated that miRNAs belonging to the 300 family and 500 family were highly expressed in iPSCs compared with a number of differentiated cell types.
    [Cytotherapy]

    Abstract

    Optimization of a PDMS-Based Cell Culture Substrate for High-Density Human-Induced Pluripotent Stem Cell Adhesion and Long-Term Differentiation into Cardiomyocytes under a Xeno-Free Condition

    The authors found that the PDMS substrate coated with a combination of polydopamine and laminin-511 E8 fragments coud support hiPSC attachment and growth for the long term and satisfy their demands of differentiation into cardiomyocytes.
    [ACS Biomaterials Science & Engineering]

    Abstract

    Estimating RNA Dynamics Using One Time Point for One Sample in a Single-Pulse Metabolic Labeling Experiment

    Investigators presented a method that could estimate RNA synthesis, processing and degradation rates from a single sample. It relied on the analytical solution to the Zeisel model of RNA dynamics.
    [BMC Bioinformatics]

    Full Article

    Modulation of PKM1/2 Levels by Steric Blocking Morpholinos Alters the Metabolic and Pluripotent State of Murine Pluripotent Stem Cells

    Researchers investigated the role of pyruvate kinase muscle isoforms (PKM1/2) in naïve, formative, and primed mouse ESCs through modulation of PKM1/2 mRNA transcripts using steric blocking morpholinos that downregulate PKM2 and upregulate PKM1.
    [Stem Cells and Development]

    Abstract
    Enter your best cell image by April 28 for a chance to win!
    REVIEWS

    Manufacturing Clinical-Grade Human Induced Pluripotent Stem Cell-Derived Beta Cells for Diabetes Treatment

    Investigators focus on the key processes and guidelines for clinical translation of hPSC-derived β cells for diabetes cell therapy.
    [Cell Proliferation]

    Full Article

    Modeling Common and Rare Genetic Risk Factors of Neuropsychiatric Disorders in Human Induced Pluripotent Stem Cells

    Scientists conceptualize the advances in understanding the disease polygenicity and convergence from the past decade of iPSC modeling of different types of genetic risk factors of neuropsychiatric disorders.
    [Schizophrenia Research]

    Abstract
    INDUSTRY AND POLICY NEWS

    NexImmune Announces Preclinical Research Collaboration with Columbia University Irving Medical Center’s Herbert Irving Comprehensive Cancer Center

    NexImmune, Inc. announced a preclinical research collaboration with Columbia University Irving Medical Center’s Herbert Irving Comprehensive Cancer Center. The research will focus on the use of NexImmune’s adoptive cell therapy, AIM ACT, in Columbia’s patient-derived organoid models of HPV-associated cancers.
    [NexImmune, Inc.]

    Press Release

    Institute for the Biology of Stem Cells Awarded $1M Training Grant for Postdoctoral Researchers

    With the new award, Institute for the Biology of Stem Cells directors Camilla Forsberg and Lindsay Hinck have now brought in nearly $12 million to fund the future of bimolecular research at UC Santa Cruz.
    [UC Santa Cruz]

    Press Release
    FEATURED EVENT

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    June 26 – July 1, 2022
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    JOB OPPORTUNITIES

    Tenure Track Faculty Position – Cell Signaling

    New York University College of Dentistry – New York, New York, United States

    Research Technician – Dementia and Neurodegeneration

    UK Dementia Research Institute – London, England, United Kingdom

    Research Assistant – Organoids

    University of Singapore – Singapore, Singapore

    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

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