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Peter James

Peter James

Professor

Peter James

WNT5A-mediated β-catenin-independent signalling is a novel regulator of cancer cell metabolism.

Author

  • Victoria Sherwood
  • Shivendra Chaurasiya
  • Elin Ekström
  • William Guilmain
  • Qing Liu
  • Tomas Koeck
  • Kate Brown
  • Karin M Hansson
  • Margrét Agnarsdóttir
  • Michael Bergqvist
  • Karin Jirström
  • Fredrik Ponten
  • Peter James
  • Tommy Andersson
Show all

Summary, in English

WNT5A has been identified as an important ligand in the malignant progression of a number of tumours. Although WNT5A signalling is often altered in cancer, the ligand's role as either a tumour suppressor or oncogene varies between tumour types and is a contemporary issue for investigators of β-catenin-independent WNT signalling in oncology. Here, we report that one of the initial effects of active WNT5A signalling in malignant melanoma cells is an alteration in cellular energy metabolism and specifically an increase in aerobic glycolysis. This was found to be at least in part due to an increase in active Akt signalling and lactate dehydrogenase (LDH) activity. The clinical relevance of these findings was strengthened by a strong correlation (P < 0.001) between the expression of WNT5A and LDH isoform V in a cohort of melanocytic neoplasms. We also found effects of WNT5A on energy metabolism in breast cancer cells, but rather than promoting aerobic glycolysis as it does in melanoma, WNT5A signalling increased oxidative phosphorylation rates in breast cancer cells. These findings support a new role for WNT5A in the metabolic reprogramming of cancer cells that is a context- dependent event.

Department/s

  • Experimental Pathology, Malmö
  • Department of Immunotechnology
  • Tumor microenvironment
  • BioCARE: Biomarkers in Cancer Medicine improving Health Care, Education and Innovation

Publishing year

2014

Language

English

Pages

784-794

Publication/Series

Carcinogenesis

Volume

35

Issue

4

Document type

Journal article

Publisher

Oxford University Press

Topic

  • Cancer and Oncology

Status

Published

Research group

  • Experimental Pathology, Malmö

ISBN/ISSN/Other

  • ISSN: 0143-3334