Cited by 137Wnt/β-catenin signaling in development and cancerCancer Cells and MetastasisLiver physiology and pathology

R-spondin 3 promotes stem cell recovery and epithelial regeneration in the colon

Open access
Harnack, Christine, Berger, Hilmar, Antanaviciute, Agne, Vidal, Ramon, Sauer, Sascha, Simmons, Alison, Meyer, Thomas F., Sigal, Michael·2019·Nature Communications

Abstract

The colonic epithelial turnover is driven by crypt-base stem cells that express the R-spondin receptor Lgr5. Signals that regulate epithelial regeneration upon stem cell injury are largely unknown. Here, we explore the dynamics of Wnt signaling in the colon. We identify two populations of cells with active Wnt signaling: highly proliferative Lgr5+/Axin2+ cells, as well as secretory Lgr5−/Axin2+ cells. Upon Lgr5+ cell depletion, these cells are recruited to contribute to crypt regeneration. Chemical injury induced by DSS leads to a loss of both Lgr5+ cells and Axin2+ cells and epithelial regeneration is driven by Axin2− cells, including differentiated Krt20+ surface enterocytes. Regeneration requires stromal Rspo3, which is present at increased levels upon injury and reprograms Lgr5− but Lgr4+ differentiated cells. In contrast, depletion of stromal Rspo3 impairs crypt regeneration, even upon mild injury. We demonstrate that Rspo3 is essential for epithelial repair via induction of Wnt signaling in differentiated cells.

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Crossref · 10.1038/s41467-019-12349-5

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  • The findings provide evidence for a mesenchymal liver niche that controls epithelial cell functions in health and disease, akin to R-spondin-LGR5-mediated mesenchymal-epithelial cross-talk in the gastrointestinal tract.

    “Together, our findings provide evidence for a mesenchymal liver niche that controls epithelial cell functions in health and disease, akin to the R-spondin–LGR5-mediated mesenchymal–epithelial cross-talk in the gastrointestinal tract21,22.”
  • RSPO3 emerged among the top-ten HSC ligands mediating HSC-hepatocyte interactions through its corresponding receptors LGR4 and LGR5.

    “RSPO3, a potent positive regulator of the WNT pathway21,22, emerged among the top-ten HSC ligands mediating HSC–hepatocyte interactions through its corresponding receptors LGR4 and LGR5 (Fig. 3b and Supplementary Table 4).”

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Authors
Harnack, C., Berger, H., Antanaviciute, A., Vidal, R., Sauer, S., Simmons, A., Meyer, T. F., & Sigal, M.
Affiliations
  • Max Planck Institute for Infection Biology (DE)
  • University of Oxford (GB)
  • Max Delbrück Center (DE)
Corresponding author
  • Meyer, Thomas F.
  • Sigal, Michael
Venue
Nature Communications
Published
2019-09-25
Volume
10
Issue
1
Pages
4368-4368
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2975327727
Cited by
137
References
39
Citations by year
2026: 10 · 2025: 19 · 2024: 19 · 2023: 23 · 2022: 25 · 2021: 25 · 2020: 15 · 2019: 1
FWCI
5.46
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • MDC Repository (Max-Delbrueck-Center for Molecular Medicine) (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • MPG.PuRe (Max Planck Society) (submittedVersion, other-oa)
Funders
Deutsche Forschungsgemeinschaft (SI 1983 2/1, SI 1983 3/1)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Wnt/β-catenin signaling in development and cancer
  • Health Sciences › Medicine › Oncology › Cancer Cells and Metastasis
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
Keywords
RSPO3, Lgr5, Axin2, Wnt signaling, crypt stem cells, DSS-induced colitis, stromal cells, enterocytes, LGR4, epithelial cell turnover, stem cell recovery
MeSH terms
Animals, Cell Differentiation, Colitis, Colon, Intestinal Mucosa, Mice, Transgenic, Regeneration, Stem Cells, Mice, Knockout, Thrombospondins, Gene Expression Profiling, Enterocytes, Receptors, G-Protein-Coupled, Keratin-20, Wnt Signaling Pathway, Axin Protein

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