Organoid News Volume 2.11 | Mar 25 2021

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    ON 2.11 | Mar 25 2021


    Organoid News by STEMCELL Technologies
    Vol. 2.11 – 25 March, 2021
    TOP STORY

    Primate Cell Fusion Disentangles Gene Regulatory Divergence in Neurodevelopment

    Scientists developed a new platform to address the limitations by fusing human and chimpanzee induced pluripotent stem cells to generate a panel of tetraploid hybrid stem cells.
    [Nature]

    Abstract

    Click to learn more about the STEMdiff Cerebral Organoid Kit from STEMCELL Technologies
    PUBLICATIONSRanked by the impact factor of the journal

    An Early Cell Shape Transition Drives Evolutionary Expansion of the Human Forebrain

    Researchers used cerebral organoids derived from human, gorilla, and chimpanzee cells to study developmental mechanisms driving evolutionary brain expansion.
    [Cell]

    Full ArticlePress ReleaseGraphical Abstract

    FGFR2 Fusion Proteins Drive Oncogenic Transformation of Mouse Liver Organoids towards Cholangiocarcinoma

    Tumor organoids and 2D cell lines derived from cholangiocarcinoma lesions were addicted to fibroblast growth factor receptor 2 fusion protein (FF) signaling via Ras-Erk, regardless of FF identity or V565F mutation.
    [Journal of Hepatology]

    AbstractGraphical Abstract

    Epigenetically Regulated Digital Signaling Defines Epithelial Innate Immunity at the Tissue Level

    Using single cell and single molecule approaches in mammary epithelial cells and primary organoid, researchers found that epithelial tissues responded to bacterial microbe associated molecular patterns.
    [Nature Communications]

    Full Article

    Isolating and Targeting the Real-Time Plasticity and Malignant Properties of Epithelial-Mesenchymal Transition in Cancer

    3D high-content screening of ~23,000 compounds using dual-reporter mesenchymal SW620 tumor organoids identified small molecule probes that modulate EMT, and a subset of probes that effectively induced MET.
    [Oncogene]

    Abstract

    Development of a System Combining Comprehensive Genotyping and Organoid Cultures for Identifying and Testing Genotype-Oriented Personalised Medicine for Pancreatobiliary Cancers

    Tumor cells isolated from resected tumours were subjected to organoid cultures based on published protocols with modifications.
    [European Journal of Cancer]

    AbstractGraphical Abstract

    Offspring Production of Ovarian Organoids Derived from Spermatogonial Stem Cells by Defined Factors with Chromatin Reorganization

    Scientists demonstrated successful offspring production of ovarian organoids derived from spermatogonial stem cells by defined factors with chromatin reorganization.
    [Journal of Advanced Research]

    Full ArticleGraphical Abstract

    Human Placenta Mesenchymal Stem Cell-Derived Exosomes Delay H2O2-Induced Aging in Mouse Cholangioids

    Researchers investigated whether human placenta mesenchymal stem cell-derived exosomes exerted a protective effect in senescent cholangiocyte organoids.
    [Stem Cell Research & Therapy]

    Full Article

    Culture Variabilities of Human iPSC-Derived Cerebral Organoids Are a Major Issue for the Modeling of Phenotypes Observed in Alzheimer’s Disease

    Investigators used an unguided/unpatterning differentiation method to generate six-month-old cerebral organoids from iPSC lines to assess the suitability of an in vitro system to measure APOE, β amyloid, and Tau phosphorylation levels.
    [Stem Cell Reviews and Reports]

    Abstract

    Matrigel Is Required for Efficient Differentiation of Isolated, Stem Cell-Derived Otic Vesicles into Inner Ear Organoids

    The authors investigated whether stem cell-derived otic vesicles could autonomously generate inner ear organoids.
    [Stem Cell Research]

    Full Article

    Optimized Adeno-Associated Virus Vectors for Efficient Transduction of Human Retinal Organoids

    Scientists tested the novel capsids AAV9.GL and AAV9.NN for their tropism and transduction efficiency in hiPSC-derived human retinal organoids with all major neuronal and glial cell types in a laminated structure.
    [Human Gene Therapy]

    Abstract

    Evaluation of UBE3A Antibodies in Mice and Human Cerebral Organoids

    Investigators evaluated the specificities of seven commercial UBE3A antibodies in two of the major experimental models used in UBE3A research, mouse and human pluripotent stem cell-derived neural cells and tissues.
    [Scientific Reports]

    Full Article

    PINK1 Deficiency Impairs Adult Neurogenesis of Dopaminergic Neurons

    The authors studied the effect of PINK1 deficiency on adult neurogenesis of dopaminergic neurons in two complementary model systems
    [Scientific Reports]

    Full Article

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    REVIEWS

    Engineering Vascularized Organoid-on-a-Chip Models

    The authors discuss general strategies to create vascularized organoids, including common source materials, and survey previous work using vascularized organoids to recreate specific organ functions and simulate tumor progression.
    [Annual Review of Biomedical Engineering]

    Abstract

    Vascularization of Human Brain Organoids

    Scientists summarize the efforts to accomplish vascularization and perfusion of brain organoids, and they discuss these attempts from a forward‐looking perspective.
    [Stem Cells]

    AbstractFull Article

    INDUSTRY AND POLICY NEWS

    Exacis Biotherapeutics Develops mRNA-Engineered iPSC-Derived NK Cells for Difficult-To-Treat Tumors

    Exacis Biotherapeutics Inc., announced several important steps in the preclinical development of its ExaNK™ engineered NK cell-therapy candidates.
    [Exacis Biotherapeutics Inc. (PR Newswire LLC.)]

    Press Release

    Lustgarten Foundation Receives $424,000 Grant Establishing the Gail V. Coleman and Kenneth M. Bruntel Organoids for Personalized Therapy Project

    Funded in part by a $424,000 gift establishing the Gail V. Coleman and Kenneth M. Bruntel Organoids for Personalized Therapy Grant, organoid analysis has been included in an upcoming clinical trial to determine if the organoid response to drugs in the lab can accurately predict which chemotherapy will be most effective for each patient.
    [Lustgarten Foundation Pancreatic Cancer Foundation]

    Press Release

    FEATURED EVENT

    British Society of Developmental Biology & Genetics Society Annual Spring Meeting

    April 19 – 23, 2021
    Virtual

    > See All Events

    JOB OPPORTUNITIES

    Research Fellow – 3D-Printing & Scaffold Design in ​Neural Tissue

    Nanyang Technological University – Singapore, Singapore

    Stem Cell Core Director – Stem Cell Research

    Gladstone Institute – San Francisco, California, United States

    Research Assistant – Stem Cell Culture for Parkinson’s Disease

    Helmholtz Association – Tübingen, Germany

    Postdoctoral Position – Single-Cell Dynamics in Intestinal Organoids

    AMOLF – Amsterdam, Netherlands

    Postdoctoral Fellow – Genomics of Endocrine Traits

    Children’s Hospital of Philadelphia – Philadelphia, Pennsylvania, United States

    > See All Jobs

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