Organoid News Volume 4.24 | Jun 22 2023

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    2023-06-22 | ON 4.24


    Organoid News by STEMCELL Technologies
    Vol. 4.24 – 22 June, 2023
    TOP STORY

    Comparative Landscape of Genetic Dependencies in Human and Chimpanzee Stem Cells

    Human-specific robustness to CDK2 and CCNE1 depletion persisted in neural progenitor cells and cerebral organoids, supporting the G1-phase length hypothesis as a potential evolutionary mechanism in human brain expansion.
    [Cell]

    Full ArticlePress ReleaseGraphical Abstract
    Survey results on the insights and hurdles of CRISPR genome editing.
    PUBLICATIONSRanked by the impact factor of the journal

    Single Cell Profiling of Female Breast Fibroadenoma Reveals Distinct Epithelial Cell Compositions and Therapeutic Targets

    Scientists observed distinct cellular composition and epithelial structural changes in Fibroadenomas (FAs). Addtionally, they developped an human expandable FA organoid system and observed that most organoids seemed to be resistant to tamoxifen.
    [Nature Communications]

    Full Article

    piRNA-1742 Promotes Renal Cell Carcinoma Malignancy by Regulating USP8 Stability through Binding to hnRNPU and Thereby Inhibiting MUC12 Ubiquitination

    Inhibition of piR-1742, a PIWI-interacting RNA, significantly reduced tumor growth in renal cell carcinoma xenograft and organoid models.
    [Experimental & Molecular Medicine]

    Full Article

    Integrating Human iPSC-Derived Macrophage Progenitors into Retinal Organoids to Generate a Mature Retinal Microglial Niche

    The authors developped a new 3D in vitro tissue model of microglia-containing retinal organoids by co-culturing retinal organoids and hiPSC-derived macrophage precursor cells.
    [Glia]

    Full Article

    Orthotopic Model of Pancreatic Cancer Using CD34+ Humanized Mice and Generation of Tumor Organoids from Humanized Tumors

    Researchers constructed an orthotopic xenograft model using CD34+ human hematopoietic stem cell–based humanized NOD scid gamma mouse mice injected with luciferase-expressing pancreatic cancer cell lines AsPC1 and BxPC3.
    [International Immunopharmacology]

    Full Article

    Differential Sensitivity to Wnt Signaling Gradients in Human Gastric Organoids Derived from Corpus and Antrum

    Investigators tested sensitivities to Wnt activation in human gastric corpus and antral organoids to determine whether progenitor cells had region-specific differences in Wnt responsiveness.
    [American Journal Of Physiology-Gastrointestinal And Liver Physiology]

    Abstract

    Culture Media and Format Alter Cellular Composition and Barrier Integrity of Porcine Colonoid-Derived Monolayers

    To overcome the limitation of studying interactions between microbial components and host tissue, researchers developed porcine colonoid-derived monolayers cultured on both permeable transwell inserts and tissue culture-treated polystyrene plates.
    [Tissue Barriers]

    Full Article

    Functional Genomics of the Human Epididymis: Further Characterization of Efferent Ducts and Model Systems by Single-Cell RNA Sequencing Analysis

    Scientists used single-cell RNA sequencing technologies to elucidate the identity of cells within the human efferent ducts and compared them to caput epididymis cells.
    [Andrology]

    Full Article

    3D Culture of Mesenchymal Stem Cells from the Yolk Sac to Generate Intestinal Organoid

    Investigators verified whether the 3D in vitro culture of stem cells derived from the canine yolk sac was capable of developing intestinal organoids.
    [Theriogenology]

    Abstract
    Receive an offer to try IntestiCult in your lab.
    REVIEWS

    Recent Advances in Defined Hydrogels in Organoid Research

    Scientists summarize the fundamental properties of extracellular matrices in vivo and critical strategies to design matrices for organoid culture.
    [Bioactive Materials]

    Full ArticleGraphical Abstract

    Human Pluripotent Stem Cell (hPSC) and Organoid Models of Autism: Opportunities and Limitations

    The authors explore the recent advancements in hPSC- and organoid-based modeling, discuss present and future applications of the model to autism spectrum disorder research.
    [Translational Psychiatry]

    Full Article

    Organoids Are Not Organs: Sources of Variation and Misinformation in Organoid Biology

    Investigators discuss the challenges faced in organoid fields around robustness, accuracy, and reproducibility and highlight the need to improve standards applied to all organoid approaches.
    [Stem Cell Reports]

    Full Article
    INDUSTRY AND POLICY NEWS

    Transplant Surgeon Sentenced to Prison for Failed Stem Cell Treatments

    Surgeon Paolo Macchiarini, who was once hailed as a pioneer of stem cell medicine, was found guilty of gross assault against three of his patients and sentenced to two years and six months in prison by an appeals court in Stockholm.
    [Science Insider]

    Press Release
    FEATURED EVENT

    89th Harden Conference – Proteoglycans: Matrix Master Regulators 2023

    September 4 – 7, 2023
    Surrey, England, United Kingdom

    > See All Events

    JOB OPPORTUNITIES

    Research Manager – School of Mechanical and Materials Engineering

    University College Dublin – Dublin, Leinster, Ireland

    Lecturer – Bioengineering

    King’s College London – London, England, United Kingdom

    Research Associate – Innate Lymphoid Cells

    King’s College London – London, England, United Kingdom

    Postdoctoral Researchers – Molecular & Biophysical Aspects of Skin and Mucosa Barriers

    Malm̦ University РMalm̦, Sweden

    Postdoctoral Fellow – Cell-Based Immuno-Oncology Drug Development

    Centre for Oncology and Immunology – Hong Kong, Hong Kong

    > See All Jobs

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