目的：血管内皮生长因子(VEGF)也称血管渗透因子，是一种重要的血管生成因子，主要由血管内皮细胞产生。

Objective: vascular endothelial growth factor (VEGF) also is named vascular permeability factor, which is one of the important angiogenesis factors and mainly produced by vascular endothelial cells.

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然而在众多的血管生成因子中，血管内皮细胞生长因子(VEGF)是最有力的血管生成因子。

But in many vascular growth factors, vascular endothelial cell growth factor (VEGF) is the most important vascular growth factor.

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目的：肿瘤血管生成是肿瘤生长和侵袭的基础，血管内皮细胞生长因子（VEGF）是最重要的血管生成因子，在许多人类肿瘤均可检测到了这种因子。

Objective: Angiogenesis of tumor is the base of tumor growth and invasion. Vascular endothelial growth factor (VEGF) is the most potent angiogenesis factor and has been detected in many human tumours.

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