Cited by 362Wnt/β-catenin signaling in development and cancerLiver physiology and pathologyHippo pathway signaling and YAP/TAZ

The RSPO–LGR4/5–ZNRF3/RNF43 module controls liver zonation and size

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Planas-Paz, Lara, Orsini, Vanessa, Boulter, Luke, Calabrese, Diego, Pikiolek, Monika, Nigsch, Florian, Xie, Yang, Roma, Guglielmo +25 more·2016·Nature Cell Biology

Abstract

LGR4/5 receptors and their cognate RSPO ligands potentiate Wnt/β-catenin signalling and promote proliferation and tissue homeostasis in epithelial stem cell compartments. In the liver, metabolic zonation requires a Wnt/β-catenin signalling gradient, but the instructive mechanism controlling its spatiotemporal regulation is not known. We have now identified the RSPO-LGR4/5-ZNRF3/RNF43 module as a master regulator of Wnt/β-catenin-mediated metabolic liver zonation. Liver-specific LGR4/5 loss of function (LOF) or RSPO blockade disrupted hepatic Wnt/β-catenin signalling and zonation. Conversely, pathway activation in ZNRF3/RNF43 LOF mice or with recombinant RSPO1 protein expanded the hepatic Wnt/β-catenin signalling gradient in a reversible and LGR4/5-dependent manner. Recombinant RSPO1 protein increased liver size and improved liver regeneration, whereas LGR4/5 LOF caused the opposite effects, resulting in hypoplastic livers. Furthermore, we show that LGR4(+) hepatocytes throughout the lobule contribute to liver homeostasis without zonal dominance. Taken together, our results indicate that the RSPO-LGR4/5-ZNRF3/RNF43 module controls metabolic liver zonation and is a hepatic growth/size rheostat during development, homeostasis and regeneration.

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  • Mice with hepatocyte-specific deletion of Lgr4 alone, Lgr4 plus Lgr5 or β-catenin displayed alterations in liver size, zonation and regeneration, including hyperproliferation at late timepoints, similar to HSC-depleted mice.

    “Notably, mice with hepatocyte-specific deletion of the RSPO3 receptors Lgr4 alone, Lgr4 plus Lgr5 or their downstream target β-catenin displayed alterations in liver size, zonation and regeneration, including hyperproliferation at late timepoints, similar to HSC-depleted mice24,25.”

    From Hepatic stellate cells control liver zonation, size and functions via R-spondin 3 (2025) · cites this paper as [24]

    The sections on liver zonation and regeneration (page unavailable) report reduced liver weight and altered zonation after liver-specific Lgr4 or Lgr4/5 deletion, and impaired early regeneration in both genotypes. They report increased proliferation at days 4 and 7 after partial hepatectomy for the Lgr4/5 double knockout, and describe a similar delayed onset in β-catenin knockout mice, but do not establish late hyperproliferation for Lgr4 deletion alone. The comparison with HSC-depleted mice is the citing authors’ framing, not a finding attributed to this source. (LLM, conf=0.85)

    Experimental — accuracy not yet measured
  • RSPO3 receptors Lgr4 and Lgr5 were enriched in hepatocytes.

    “Conversely, RSPO3 receptors Lgr4 and Lgr5 were enriched in hepatocytes (Extended Data Fig. 6d), as described previously24.”

    From Hepatic stellate cells control liver zonation, size and functions via R-spondin 3 (2025) · cites this paper as [24]

    The main text (Figure 1f–g) reports Lgr4 expression in virtually all hepatocytes and Lgr5 expression mainly in pericentral hepatocytes. This supports their expression in hepatocytes, but the cited passages do not establish enrichment relative to other liver cell types; Lgr5 is also not broadly expressed across hepatocytes. (LLM, conf=0.82)

    Experimental — accuracy not yet measured
  • HSC-derived RSPO3, hepatocyte-expressed LGR4 and its downstream target β-catenin are central mediators of the HSC-hepatocyte cross-talk that controls liver size, zonation and function.

    “Thus, Rspo3ΔHSC mice reproduced key aspects of HSC-depleted, Lgr4/Lgr5ΔHep and Ctnnb1ΔHep mice24,25,34–39, suggesting HSC-derived RSPO3, hepatocyte-expressed LGR4 and its downstream target β-catenin as central mediators of the HSC–hepatocyte cross-talk that controls liver size, zonation and function.”

    From Hepatic stellate cells control liver zonation, size and functions via R-spondin 3 (2025) · cites this paper as [24]

    The Discussion (page unavailable) supports a central role for LGR4/5-dependent Wnt/β-catenin signalling in liver zonation and size control. But it says the source and distribution of hepatic RSPO proteins remained to be identified; it does not establish HSC-derived RSPO3 or HSC–hepatocyte cross-talk. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • Liver zonation and functions are regulated by a 'ménage à trois' of WNT-secreting ECs, RSPO3-secreting HSCs and hepatocytes expressing the R-spondin receptors LGR4 and LGR5.

    “Our data amend the purely angiocrine model of liver zonation29,41,56,57 and suggest that liver zonation and functions are regulated by a ‘ménage à trois’ of WNT-secreting ECs, RSPO3-secreting HSCs and hepatocytes expressing the R-spondin receptors LGR4 and LGR524.”

    From Hepatic stellate cells control liver zonation, size and functions via R-spondin 3 (2025) · cites this paper as [24]

    The sections on RSPO control of liver zonation and the Discussion support a role for hepatocyte LGR4/5 receptors and RSPO signalling in metabolic liver zonation. But the Discussion says the source and distribution of RSPO proteins remained unidentified; this paper therefore does not establish the claimed RSPO3-secreting HSCs or the full three-cell model. Page numbers are unavailable in our copy. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • HSC-derived RSPO3 critically impacts liver size, zonation, metabolism, regeneration and injury.

    “The critical impact of HSC-derived RSPO3 on liver size, zonation, metabolism, regeneration and injury matches findings in mice with hepatocyte-specific deletion of β-catenin or LGR4/524,25,34–39, rendering RSPO3–LGR4-mediated HSC–hepatocyte communication a gatekeeper of liver function in health and disease.”

    From Hepatic stellate cells control liver zonation, size and functions via R-spondin 3 (2025) · cites this paper as [24]

    The liver-specific Lgr4/5 knockout results and the Discussion show effects on liver size, metabolic zonation, and regeneration, supporting the cited comparison with LGR4/5 deletion. The paper studies LGR4/5 signaling and recombinant RSPO1, not HSC-derived RSPO3, and the cited passages do not establish an effect of HSC-derived RSPO3 on liver injury. No page numbers are available in our copy. (LLM, conf=0.87)

    Experimental — accuracy not yet measured

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1 of the 58 references couldn’t be matched to a known paper.

Research works printed but not linked: 1

  1. Colnot S., P.C. Liver Zonation, in Molecular Pathology of Liver Diseases Vol. Molecular Pathology Library 5. (ed. S.P. Monga) (Springer Science and Business Media, 2011).

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Authors
Planas-Paz, L., Orsini, V., Boulter, L., Calabrese, D., Pikiolek, M., Nigsch, F., Xie, Y., Roma, G., Donovan, A., Marti, P., Beckmann, N., Dill, M. T., Carbone, W., Bergling, S., Isken, A., Mueller, M., Kinzel, B., Yang, Y., Mao, X., Nicholson, T. B., Zamponi, R., Capodieci, P., Valdez, R., Rivera, D., Loew, A., Ukomadu, C., Terracciano, L. M., Bouwmeester, T., Cong, F., Heim, M. H., Forbes, S. J., Ruffner, H., & Tchorz, J. S.
Affiliations
  • Novartis (Switzerland) (CH)
  • Institute of Genetics and Cancer (GB)
  • University Hospital of Basel (CH)
  • MRC Centre for Regenerative Medicine (GB)
Corresponding author
Tchorz, Jan S.
Venue
Nature Cell Biology
Published
2016-04-18
Volume
18
Issue
5
Pages
467-479
ISSN
  • 1465-7392 (ISSN-L)
  • 1476-4679
OpenAlex
W2339774221
Cited by
359
References
58
Citations by year
2026: 29 · 2025: 35 · 2024: 35 · 2023: 27 · 2022: 45 · 2021: 36 · 2020: 44 · 2019: 30 · 2018: 36 · 2017: 29 · 2016: 13
FWCI
18.72
Type
journal article
Language
en
Update notices
erratum (2016-10-27)
Open access
Locations
  • Nature Cell Biology (publishedVersion)
  • PubMed (publishedVersion)
  • Edinburgh Research Explorer (University of Edinburgh) (submittedVersion, other-oa)
  • edoc (University of Basel) (submittedVersion)
Funders
  • Leverhulme Trust
  • Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (147089)
  • Novartis Institutes for BioMedical Research
  • Medical Research Council (MR/K026666, MR/K026666/1)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Wnt/β-catenin signaling in development and cancer
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Hippo pathway signaling and YAP/TAZ
Keywords
RSPO1, Wnt/β-catenin signaling, liver zonation, liver regeneration, hepatocyte proliferation, liver homeostasis
MeSH terms
Animals, Animals, Newborn, beta-Galactosidase, Homeostasis, Liver, Liver Regeneration, Organ Size, Signal Transduction, Gene Deletion, Cell Lineage, Cytochrome P-450 CYP2E1, Ki-67 Antigen, Thrombospondins, Hepatocytes, Receptors, G-Protein-Coupled, Ubiquitin-Protein Ligases, Cell Proliferation

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