Cited by 45Wnt/β-catenin signaling in development and cancerLiver physiology and pathologyLiver Disease Diagnosis and Treatment

The RSPO‐LGR4/5‐ZNRF3/RNF43 module in liver homeostasis, regeneration, and disease

Annunziato, Stefano, Sun, Tianliang, Tchorz, Jan S.·2022·Hepatology

Abstract

WNT/β-catenin signaling plays pivotal roles during liver development, homeostasis, and regeneration. Likewise, its deregulation disturbs metabolic liver zonation and is responsible for the development of a large number of hepatic tumors. Liver fibrosis, which has become a major health burden for society and a hallmark of NASH, can also be promoted by WNT/β-catenin signaling. Upstream regulatory mechanisms controlling hepatic WNT/β-catenin activity may constitute targets for the development of novel therapies addressing these life-threatening conditions. The R-spondin (RSPO)-leucine-rich repeat-containing G protein-coupled receptor (LGR) 4/5-zinc and ring finger (ZNRF) 3/ring finger 43 (RNF43) module is fine-tuning WNT/β-catenin signaling in several tissues and is essential for hepatic WNT/β-catenin activity. In this review article, we recapitulate the role of the RSPO-LGR4/5-ZNRF3/RNF43 module during liver development, homeostasis, metabolic zonation, regeneration, and disease. We further discuss the controversy around LGR5 as a liver stem cell marker.

Integrity signals

Registry

Crossref · 10.1002/hep.32328

Cites

95 of 95 references verified0 citation errors · 0 not checkable

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  • In zone 3, there is a well-known histologic pattern of liver damage in diseases that culminate in HCC, and zone 3 is frequently associated with oxidative stress.

    “In zone 3, there is a well-known histologic pattern of liver damage in diseases that culminate in HCC (61, 62), and zone 3 is frequently associated with oxidative stress (63, 64).”
  • The RSPO-LGR4/5-ZNRF3/RNF43 module controlling WNT/β-catenin signalling is a growth and size rheostat in the liver.

    “The RSPO-LGR4/5-ZNRF3/RNF43 module controlling WNT/β-catenin signalling is a growth and size rheostat in the liver.”
  • RSPO injections reversibly increased liver size by inducing hepatocyte proliferation, whereas WNT/β-catenin signalling blockade resulted in smaller livers.

    “RSPO injections reversibly increased liver size by inducing hepatocyte proliferation, whereas WNT/β-catenin signalling blockade resulted in smaller livers.44,90,91”
  • Activating mutations in the WNT/β-catenin pathway are frequently found in liver tumours, and hepatocytes with high WNT/β-catenin activity are highly susceptible to malignant transformation in experimental tumour models.

    “Activating mutations in the WNT/β-catenin pathway are frequently found in liver tumours and hepatocytes with high WNT/β-catenin activity are highly susceptible to malignant transformation in experimental tumour models.50,90,91,85”

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Authors
Annunziato, S., Sun, T., & Tchorz, J. S.
Affiliations
Novartis (Switzerland) (CH)
Corresponding author
Tchorz, Jan S.
Venue
Hepatology
Published
2022-02-20
Volume
76
Issue
3
Pages
888-899
ISSN
  • 0270-9139 (ISSN-L)
  • 1527-3350
OpenAlex
W4205791102
Cited by
45
References
98
Citations by year
2026: 7 · 2025: 13 · 2024: 9 · 2023: 14 · 2022: 2
FWCI
0.99
Type
journal article
Language
en
Open access
closed
Locations
  • Hepatology (publishedVersion)
  • PubMed (publishedVersion)
  • The Novartis Repository (Novartis) (acceptedVersion)
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
  • Health Sciences › Medicine › Epidemiology › Liver Disease Diagnosis and Treatment
Keywords
R-spondin, ZNRF3, RNF43, Wnt/β-catenin signaling, liver homeostasis, liver regeneration, liver development, metabolic zonation, liver fibrosis, NASH, liver tumors, liver stem cells, Lgr5
MeSH terms
Homeostasis, Liver, Thrombospondins, Receptors, G-Protein-Coupled, Ubiquitin-Protein Ligases, beta Catenin, Wnt Signaling Pathway

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