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Tumour‐associated angiogenesis in human colorectal cancer
Author(s) -
Rmali K. A.,
Puntis M. C. A.,
Jiang W. G.
Publication year - 2007
Publication title -
colorectal disease
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.029
H-Index - 89
eISSN - 1463-1318
pISSN - 1462-8910
DOI - 10.1111/j.1463-1318.2006.01089.x
Subject(s) - angiogenesis , colorectal cancer , medicine , metastasis , cancer research , vascular endothelial growth factor , cancer , oncology , neovascularization , vegf receptors
Abstract Tumour angiogenesis is a critical step in the growth, metastatic spread and regrowth of colorectal cancer. Angiogenesis specific to tumour is a complicated process, the mechanisms of which remain unclear. Metastasis of colorectal cancer may result from passive entry into the circulation secondary to the effect of angiogenic factors. The survival and growth of colorectal tumour and thus their metastases are dependent on the balance of endogenous angiogenic and anti‐angiogenic factors such that the outcome favours increased angiogenesis. Angiogenesis has become an attractive target for anticancer drug development, based on its important roles in tumour growth, invasion and metastasis. Several growth factors have been identified that regulate angiogenesis in colorectal cancer; the most important of these are vascular endothelial growth factors (VEGF), and of the several angiogenic factors, VEGF expression at the deepest invasive site of tumour is the most statistically significant prognostic indicator in advanced colorectal carcinoma. In this review article, we provide an overview on angiogenic factors and their receptors, and discuss the role of newly identified tumour endothelial markers (TEMs) that are involved in tumour‐associated angiogenesis in colorectal cancer.