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Cited by 334

The DOI matches its Crossref record; 60 of the 60 references it cites were found in a registry or an index.

Wnt signalling in osteoblasts regulates expression of the receptor activator of NFκB ligand and inhibits osteoclastogenesis in vitro

Spencer, Gary J., Utting, Jennifer C., Etheridge, Sharon L., Arnett, Timothy R., Genever, Paul G.·2006·Journal of Cell Science

Abstract

Reports implicating Wnt signalling in the regulation of bone mass have prompted widespread interest in the use of Wnt mimetics for the treatment of skeletal disorders. To date much of this work has focused on their anabolic effects acting on cells of the osteoblast lineage. In this study we provide evidence that Wnts also regulate osteoclast formation and bone resorption, through a mechanism involving transcriptional repression of the gene encoding the osteoclastogenic cytokine receptor activator of NFκB ligand (RANKL or TNFSF11) expressed by osteoblasts. In co-cultures of mouse mononuclear spleen cells and osteoblasts, inhibition of GSK3β with LiCl or exposure to Wnt3a inhibited the formation of tartrate-resistant acid phosphatase-positive multinucleated cells compared with controls. However, these treatments had no consistent effect on the differentiation, survival or activity of osteoclasts generated in the absence of supporting stromal cells. Activation of Wnt signalling downregulated RANKL mRNA and protein expression, and overexpression of fulllength β-catenin, but not transcriptionally inactive β-catenin ΔC(695-781), inhibited RANKL promoter activity. Since previous studies have demonstrated an absence of resorptive phenotype in mice lacking LRP5, we determined expression of a second Wnt co-receptor LRP6 in human osteoblasts, CD14+ osteoclast progenitors and mature osteoclasts. LRP5 expression was undetectable in CD14-enriched cells and mature human osteoclasts, although LRP6 was expressed at high levels by these cells. Our evidence of Wnt-dependent regulation of osteoclastogenesis adds to the growing complexity of Wnt signalling mechanisms that are now known to influence skeletal function and highlights the requirement to develop novel therapeutics that differentially target anabolic and catabolic Wnt effects in bone.

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Metadata

Authors
Spencer, G. J., Utting, J. C., Etheridge, S. L., Arnett, T. R., & Genever, P. G.
Venue
Journal of Cell Science
Published
2006-04-01
Volume
119
Issue
7
Pages
1283-1296
ISSN
  • 0021-9533 (ISSN-L)
  • 1477-9137
OpenAlex
W2149248348
Cited by
334
References
60
FWCI
8.23
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Wnt signalling in osteoblasts regulates expression of the receptor activator of NFκB ligand and inhibits osteoclastogenesis in vitro. https://app.cochat.ai/papers/10.1242/jcs.02883
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Spencer, G. J., Utting, J. C., Etheridge, S. L., Arnett, T. R., & Genever, P. G. (2006). Wnt signalling in osteoblasts regulates expression of the receptor activator of NFκB ligand and inhibits osteoclastogenesis in vitro. Journal of Cell Science. https://doi.org/10.1242/jcs.02883

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.