Therapeutic approach to target mesothelioma cancer cells using the Wnt antagonist, secreted frizzled-related protein 4: Metabolic state of cancer cells

Vanathi Perumal, Sebastian Pohl, Kevin N. Keane, Frank Arfuso, Philip Newsholme, Simon Fox, Arun Dharmarajan

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Malignant mesothelioma (MM) is an aggressive cancer, characterized by rapid progression, along with late metastasis and poor patient prognosis. It is resistant to many forms of standard anti-cancer treatment. In this study, we determined the effect of secreted frizzled-related protein 4 (sFRP4), a Wnt pathway inhibitor, on cancer cell proliferation and metabolism using the JU77 mesothelioma cell line.Treatment with sFRP4 (250 pg/ml) resulted in a significant reduction of cell proliferation. The addition of the Wnt activator Wnt3a (250 pg/ml) or sFRP4 had no significant effect on ATP production and glucose utilisation in JU77 cells at both the 24 and 48 h time points examined. We also examined their effect on Akt and Glycogen synthase kinase-3 beta (GSK3β) phosphorylation, which are both important components of Wnt signalling and glucose metabolism. We found that protein phosphorylation of Akt and GSK3β varied over the 24 h and 48 h time points, with constitutive phosphorylation of Akt at serine 473 (pAkt) decreasing to its most significant level when treated with Wnt3a+sFRP4 at the 24 h time point. A significant reduction in the level of Cytochrome c oxidase was observed at the 48 h time point, when sFRP4 and Wnt3a were added in combination.We conclude that sFRP4 may function, in part, to reduce/alter cancer cell metabolism, which may lead to sensitisation of cancer cells to chemotherapeutics, or even cell death.

Original languageEnglish
Pages (from-to)218-224
Number of pages7
JournalExperimental Cell Research
Volume341
Issue number2
DOIs
Publication statusPublished - 15 Feb 2016
Externally publishedYes

Fingerprint

Mesothelioma
Neoplasms
Phosphorylation
Therapeutics
Cell Proliferation
Glucose
Wnt Signaling Pathway
Electron Transport Complex IV
Serine
rat Sfrp4 protein
Cell Death
Adenosine Triphosphate
Neoplasm Metastasis
Cell Line
Proteins

Cite this

Perumal, Vanathi ; Pohl, Sebastian ; Keane, Kevin N. ; Arfuso, Frank ; Newsholme, Philip ; Fox, Simon ; Dharmarajan, Arun. / Therapeutic approach to target mesothelioma cancer cells using the Wnt antagonist, secreted frizzled-related protein 4 : Metabolic state of cancer cells. In: Experimental Cell Research. 2016 ; Vol. 341, No. 2. pp. 218-224.
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Therapeutic approach to target mesothelioma cancer cells using the Wnt antagonist, secreted frizzled-related protein 4 : Metabolic state of cancer cells. / Perumal, Vanathi; Pohl, Sebastian; Keane, Kevin N.; Arfuso, Frank; Newsholme, Philip; Fox, Simon; Dharmarajan, Arun.

In: Experimental Cell Research, Vol. 341, No. 2, 15.02.2016, p. 218-224.

Research output: Contribution to journalArticle

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AU - Perumal, Vanathi

AU - Pohl, Sebastian

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AU - Arfuso, Frank

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AU - Fox, Simon

AU - Dharmarajan, Arun

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