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Platelet-derived endothelial cell growth factor thymidine phosphorylase in tumour growth and response to therapy

Abstract

Angiogenesis plays an important role in the growth and metastasis of solid tumours. Platelet-derived endothelial cell growth factor (PD-ECGF) is known to be chemotactic for endothelial cells in vitro and angiogenic in vivo. It is also known as gliostatin, a factor promoting neuronal survival, and thymidine phosphorylase (dThdPase), which catalyses the reversible phosphorylation of thymidine to thymine and 2-deoxyribose-1-phosphate. This enzymatic activity is critical for angiogenic activity. PD-ECGF protein is highly expressed in tumours compared with most normal tissues and has been correlated with tumour growth, invasion and metastasis in clinical studies. In addition, dThdPase activity (by inference PD-ECGF) has been found to be a major determinant of the toxicity of 5-fluorouracil and its prodrugs, which are extensively studied clinically as anti-cancer agents. This review attempts to summarize recent gains in understanding the nature, location and action of PD-ECGF and its specific relevance to tumour biology.

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Griffiths, L., Stratford, I. Platelet-derived endothelial cell growth factor thymidine phosphorylase in tumour growth and response to therapy. Br J Cancer 76, 689–693 (1997). https://doi.org/10.1038/bjc.1997.447

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  • DOI: https://doi.org/10.1038/bjc.1997.447

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