Organoid News Volume 2.32 | Aug 26 2021

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    2021-08-26 | ON 2.32


    Organoid News by STEMCELL Technologies
    Vol. 2.32 – 26 August, 2021
    TOP STORY

    A Human Forebrain Organoid Model of Fragile X Syndrome Exhibits Altered Neurogenesis and Highlights New Treatment Strategies

    Researchers developed a fragile X syndrome human forebrain organoid model and observed that the loss of fragile X mental retardation protein led to dysregulated neurogenesis, neuronal maturation, and neuronal excitability.
    [Nature Neuroscience]

    AbstractPress Release
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    Identification of Neural Oscillations and Epileptiform Changes in Human Brain Organoids

    Scientists demonstrated highly abnormal and epileptiform-like activity in organoids derived from iPSCs from individuals with Rett syndrome,
    [Nature Neuroscience]

    Abstract

    Cortical Organoids Model Early Brain Development Disrupted by 16p11.2 Copy Number Variants in Autism

    Investigators generated cortical organoids from skin fibroblasts of patients with 16p11.2 copy number varients to investigate impacted neurodevelopmental processes and showed that organoid size recapitulated macrocephaly and microcephaly phenotypes observed in the patients with 16p11.2 deletions and duplications.
    [Molecular Psychiatry]

    Full Article

    Self-Assembling Human Heart Organoids for the Modeling of Cardiac Development and Congenital Heart Disease

    The authors reported a method to generate developmentally relevant human heart organoids by self-assembly using human PSCs. Heart organoids were comparable to age-matched human fetal cardiac tissues at the transcriptomic, structural, and cellular level.
    [Nature Communications]

    Full Article

    REST Is a Major Negative Regulator of Endocrine Differentiation during Pancreas Organogenesis

    REST inhibition promoted endocrinogenesis in zebrafish and mouse early postnatal ducts and induced β-cell-specific genes in human adult duct-derived organoids.
    [Genes & Development]

    AbstractPress Release

    Anti-Cancer Activity of Amorphous Curcumin Preparation in Patient-Derived Colorectal Cancer Organoids

    Anti-carcinogenic properties of amorphous curcumin, a compound with improved solubility and bioavailability, were evaluated against human colorectal cancer organoids.
    [Biomedicine & Pharmacotherapy]

    Full Article

    Melatonin Reduces Inflammation in Intestinal Cells, Organoids and Intestinal Explants

    To uncover the function of melatonin in Inflammatory bowel diseases, three intestinal models, including Caco-2 cells, 3D intestinal organoids and intestinal explants, were used.
    [inflammopharmacology]

    Abstract

    Intestinal Organoid-Based 2D Monolayers Mimic Physiological and Pathophysiological Properties of the Pig Intestine

    3D Organoids were grown in an extracellular matrix and characterized by qPCR. Organoids were also seeded on permeable filter supports in order to generate 2D epithelial monolayers.
    [PLoS One]

    Full Article

    Engineered Human Induced Pluripotent Cells Enable Genetic Code Expansion in Brain Organoids

    Scientists demonstrated that genomic integration of expression cassettes for a pyrrolysyl-tRNA synthetase, pyrrolysyl-tRNA and the target protein of interest enables site-specific incorporation of a non-canonical amino acid in response to amber stop codons.
    [Chembiochem]

    Abstract
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    REVIEWS

    A Look into Retinal Organoids: Methods, Analytical Techniques, and Applications

    The authors describe the main applications of retinal organoids and provide a comprehensive overview of the state-of-art analysis methods that apply to this model system.
    [Cellular and Molecular Life Sciences]

    Full Article

    The Age of Brain Organoids: Tailoring Cell Identity and Functionality for Normal Brain Development and Disease Modeling

    Because the functional activity of neural cells within brain organoids relies on cell repertoire and time in culture, investigators review data supporting the gradual formation of complex neural networks in light of cell maturity within brain organoids.
    [Frontiers in Neuroscience]

    Full Article

    INDUSTRY AND POLICY NEWS

    How Brains Fold: USU Team Wins NIH Grant to Study Cerebral Shaping

    Yu Huang, assistant professor of biological engineering, will receive $1.8 million from the National Institutes of Health to study cerebral morphology. Their goal is to better understand how a brain develops under spatial constraint and to uncover new insights into the spreading of brain cancer.
    [Utah State University]

    Press Release
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    JOB OPPORTUNITIES

    Research Technician – Pancreatic Cancer Models

    Cold Spring Harbor Laboratory – Long Island, New York, United States

    Research Associate – Stem Cell Models

    Michigan State University – East Lansing, Michigan, United States

    Postdoctoral Fellow – Bioprinting for Pancreas Biofabrication

    University Medical Center Utrecht – Utrecht, Netherlands

    PhD Student – Stem Cell Biology in Intestinal Tumorigenesis

    Philipps University of Marburg – Marburg, Germany

    Research Technician – Pancreatic Organoids

    Cold Spring Harbor Laboratory – Long Island, New York, United States

    > See All Jobs

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