Cited by 62Wnt/β-catenin signaling in development and cancerCRISPR and Genetic EngineeringCancer Cells and Metastasis

A genome-scale CRISPR screen reveals factors regulating Wnt-dependent renewal of mouse gastric epithelial cells

Open access
Murakami, Kazuhiro, Terakado, Yumi, Saito, Kikue, Jomen, Yoshie, Takeda, Haruna, Oshima, Masanobu, Barker, Nick·2021·Proceedings of the National Academy of Sciences

Abstract

Significance: Wnt activation is critically important during both early development and throughout adulthood for the maintenance and regeneration of tissue-resident stem cells. However, the underlying mechanism regulating Wnt-dependent epithelial renewal and differentiation in the stomach remains poorly understood. Here we apply genome-scale CRISPR-Cas9 knockout screening to three-dimensional ex vivo stomach organoids to reveal important mechanistic insight into Wnt-dependent epithelial renewal in mouse gastric epithelia. Our organoid-based screening strategy can be readily applied to a wide variety of organoids derived from different sources, potentially providing important insights on multiple biological phenomena.

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Crossref · 10.1073/pnas.2016806118

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  • CRISPR cutting screens in 3D organoids have been implemented to explore factors such as growth factor dependency for cell growth, identify potential cancer-driving forces, and uncover key genetic events in cell differentiation.

    “Even more exciting is the implementation of CRISPR cutting screens in 3D organoids to explore factors such as growth factor dependency for cell growth14–16, identifying potential cancer-driving forces17–19, and uncovering key genetic events in cell differentiation20–22.”

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Authors
Murakami, K., Terakado, Y., Saito, K., Jomen, Y., Takeda, H., Oshima, M., & Barker, N.
Affiliations
  • Kanazawa University (JP)
  • National Cancer Center Research Institute (JP)
Corresponding author
  • Murakami, Kazuhiro
  • Barker, Nick
Venue
Proceedings of the National Academy of Sciences
Published
2021-01-21
Volume
118
Issue
4
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W3124533528
Cited by
62
References
42
Citations by year
2026: 3 · 2025: 18 · 2024: 9 · 2023: 12 · 2022: 13 · 2021: 7
FWCI
3.22
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion, cc-by-nc-nd)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
Funders
  • MEXT | Japan Society for the Promotion of Science (17K07161, 17H06710, 17H03586, 17H01399)
  • National Research Foundation Singapore (NRF-NRF12017-03)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Wnt/β-catenin signaling in development and cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › CRISPR and Genetic Engineering
  • Health Sciences › Medicine › Oncology › Cancer Cells and Metastasis
Keywords
Wnt signaling, gastric epithelial cells, epithelial regeneration, gastric stem cells, CRISPR-Cas9 knockout screen, tissue regeneration
MeSH terms
Glycogen Synthase Kinase 3 beta, Gene Editing, Anaplastic Lymphoma Kinase, Animals, Epithelial Cells, Gastric Mucosa, Gene Expression Regulation, Humans, Interleukins, Organoids, Stomach, Gene Library, RNA-Binding Proteins, Adenomatous Polyposis Coli Protein, Receptors, G-Protein-Coupled, Cell Proliferation, Mice, Adult Stem Cells, HEK293 Cells, Wnt Signaling Pathway, CRISPR-Cas Systems

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