Heparan sulfate proteoglycan modulation of Wnt5A signal transduction in metastatic melanoma cells

Michael P. O'Connell, Jennifer L. Fiori, Emily K. Kershner, Brittany P. Frank, Fred E. Indig, Dennis D. Taub, Keith S. Hoek, Ashani T. Weeraratna

Research output: Contribution to journalArticle

Abstract

Heparan sulfate proteoglycans (HSPGs) are important modulators for optimizing signal transduction of many pathways, including the Wnt pathways. We demonstrate that HSPG glycosaminoglycan levels increased with increasing metastatic potential of melanoma cells. Previous studies have demonstrated that Wnt5A increases the invasiveness of melanoma cells. We further demonstrate that HSPGs potentiate Wnt5A signaling, since enzymatic removal of the HSPG backbone resulted in a decrease in cellular Wnt5A levels, an increase in secreted Wnt5A in cell media, a decrease in downstream signaling, and ultimately, a decrease in invasiveness. Specifically, syndecan 1 and syndecan 4 expression correlated to Wnt5A expression and melanoma malignancy. Knockdown of syndecan 1 or 4 caused decreases in cell invasion, which could be restored by treating the cells with recombinant Wnt5A. These data indicate that syndecan 1 and 4 correlate to increased metastatic potential in melanoma patients and are an important component of the Wnt5A autocrine signaling loop, the activation of which leads to increased metastasis of melanoma.

Original languageEnglish (US)
Pages (from-to)28704-28712
Number of pages9
JournalJournal of Biological Chemistry
Volume284
Issue number42
DOIs
StatePublished - Oct 16 2009
Externally publishedYes

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Heparan Sulfate Proteoglycans
Signal transduction
Syndecan-4
Syndecan-1
Melanoma
Signal Transduction
Modulation
Autocrine Communication
Glycosaminoglycans
Wnt Signaling Pathway
Modulators
Chemical activation
Neoplasm Metastasis
Neoplasms

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

Heparan sulfate proteoglycan modulation of Wnt5A signal transduction in metastatic melanoma cells. / O'Connell, Michael P.; Fiori, Jennifer L.; Kershner, Emily K.; Frank, Brittany P.; Indig, Fred E.; Taub, Dennis D.; Hoek, Keith S.; Weeraratna, Ashani T.

In: Journal of Biological Chemistry, Vol. 284, No. 42, 16.10.2009, p. 28704-28712.

Research output: Contribution to journalArticle

O'Connell, MP, Fiori, JL, Kershner, EK, Frank, BP, Indig, FE, Taub, DD, Hoek, KS & Weeraratna, AT 2009, 'Heparan sulfate proteoglycan modulation of Wnt5A signal transduction in metastatic melanoma cells', Journal of Biological Chemistry, vol. 284, no. 42, pp. 28704-28712. https://doi.org/10.1074/jbc.M109.028498
O'Connell, Michael P. ; Fiori, Jennifer L. ; Kershner, Emily K. ; Frank, Brittany P. ; Indig, Fred E. ; Taub, Dennis D. ; Hoek, Keith S. ; Weeraratna, Ashani T. / Heparan sulfate proteoglycan modulation of Wnt5A signal transduction in metastatic melanoma cells. In: Journal of Biological Chemistry. 2009 ; Vol. 284, No. 42. pp. 28704-28712.
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