Organoid News Volume 2.37 | Oct 7 2021

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    2021-09-07 | ON 2.37


    Organoid News by STEMCELL Technologies
    Vol. 2.37 – 7 October, 2021
    TOP STORY

    Sweat Gland Organoids Originating from Reprogrammed Epidermal Keratinocytes Functionally Recapitulated Damaged Skin

    By forced expression of the ectodysplasin-A in human epidermal keratinocytes sweat gland (SwG) culture medium, human epidermal keratinocytes were efficiently converted into SwG cells.
    [Advanced Science]

    Full Article
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    Single-Cell Analysis of Patient-Derived PDAC Organoids Reveals Cell State Heterogeneity and a Conserved Developmental Hierarchy

    Researchers derived pancreatic ductal adenocarcinoma organoids from 18 primary tumors and two matched liver metastases, and showed that ‘classical’ and ‘basal-like’ cells coexist in individual organoids.
    [Nature Communications]

    Full Article

    RING-Finger Protein 6 Promotes Colorectal Tumorigenesis by Transcriptionally Activating SF3B2

    To understand whether transcriptional activity of RING-finger protein 6 (RNF6) underlied its oncogenic effect, the authors performed integrated chromatin immunoprecipitation-sequencing and RNA-sequencing analysis to identify splicing factor 3b subunit 2 (SF3B2) as a potential downstream target of RNF6.
    [Oncogene]

    Full Article

    Differentiation of Mouse Fetal Lung Alveolar Progenitors in Serum-Free Organotypic Cultures

    Investigators reported serum-free conditions that allowed for growth and differentiation of mouse distal lung epithelial progenitors.
    [eLife]

    Full Article

    A Functional Genetic Toolbox for Human Tissue-Derived Organoids

    Using a human fetal lung organoid system as an example the authors systematically developed and optimized a complete genetic toolbox for use in tissue-derived organoids.
    [eLife]

    Abstract

    Metformin Sensitises Hepatocarcinoma Cells to Methotrexate by Targeting Dihydrofolate Reductase

    Scientists reported that metformin treatment increased the sensitivity of hepatocarcinoma cells to methotrexate by suppressing the expression of the one-carbon metabolism enzyme dihydrofolate reductase.
    [Cell Death & Disease]

    Full Article

    MYC Hyperactivates WNT Signaling in APC/CTNNB1-Mutated Colorectal Cancer Cells through miR-92a-Dependent Repression of DKK3

    Researchers examined the role of DKK3 by overexpression and knockdown and discovered that DKK3 suppressed Wnt signaling in APC-null murine colonic organoids and human colon cancer cells despite the presence of downstream activating mutations in the Wnt pathway.
    [Molecular Cancer Research]

    Abstract

    Establishment and Drug Screening of Patient-Derived Extrahepatic Biliary Tract Carcinoma Organoids

    Scientists successfully established five gallbladder carcinoma and one extrahepatic cholangiocarcinoma patient-derived organoids (PDOs). Histological staining was used to compare structural features between the original tissues and cancer PDOs.
    [Cancer Cell International]

    Full Article

    Live Cell Molecular Analysis of Primary Prostate Cancer Organoids Identifies Persistent Androgen Receptor Signaling

    Using orthogonal flow cytometry analysis, scientists demonstrated that primary patient-derived cancer organoid maintain distinct subsets of epithelial cells throughout culture and that these cells conserve expression of androgen receptor-related elements.
    [Medical Oncology]

    Full Article

    Drivers of Transcriptional Variance in Human Intestinal Epithelial Organoids

    Investigators explored the effect on the transcriptome of common variations in culture methods, including extracellular matrix substrate, format, tissue segment, differentiation status, and patient heterogeneity.
    [Physiological Genomics]

    Abstract
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    REVIEWS

    Application of CRISPR-Cas9 Based Gene Editing to Study the Pathogenesis of Colon and Liver Cancer Using Organoids

    Genetically modified organoids have been developed by sequential knockout and knockin of driver mutations by genome editing followed by niche-based selection.
    [Hepatology International]

    Abstract

    Preclinical Tumor Organoid Models in Personalized Cancer Therapy: Not Everyone Fits the Mold

    Scientists discuss the patient-derived organoids as a native tumor microenvironment mimicking model in personalized cancer therapy.
    [Experimental Cell Research]

    Abstract
    INDUSTRY AND POLICY NEWS

    Magee-Womens Research Institute Announces Finalists for $1 Million Prize

    Magee-Womens Research Institute will award the $1 million Magee Prize to an international team of scientists during the Magee-Womens Summit Nov. 16 to 18. The prize will help fund new research initiatives and transdisciplinary collaborations to promote knowledge and enhance the health and wellness of women and infants worldwide.
    [University of Pittsburgh Schools of the Health Sciences]

    Press Release

    Building Better Lab Models of Human Tumors

    Prostate cancer researcher Dr. John Lee garnered a National Institutes of Health New Innovator Award to fund his breakthrough approach that promises to help make scientific tumor models better capture the complex biology of tumors that arise naturally.
    [Fred Hutchinson Cancer Research Center]

    Press Release
    FEATURED EVENT

    Biological Assemblies: Phase Transitions

    November 1 – 3, 2021
    Virtual

    > See All Events

    JOB OPPORTUNITIES

    Postdoctoral Associate – Intestinal Organoids

    Baylor College of Medicine – Houston, Texas, United States

    Assistant Editor – Cytotherapy

    The International Society for Cell & Gene Therapy – Vancouver, British Columbia, Canada

    Postdoctoral Researcher – Epigenetic Control of Human Neurodevelopment

    Insituto Italiano Di Tecnologia – Genoa, Italy

    Laboratory Technician – iPSCs and Organoids

    Imperial College London – London, England, United Kingdom

    Postdoctoral Researcher – Brain Stem Cell Researcher

    University of Helsinki – Helsinki, Finland

    > See All Jobs

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