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近年的研究表明 ,肿瘤血管形成是肿瘤增殖[1] 、扩散的必要条件之一。其中血管内皮生长因子 (ｖａｓｃｕｌａｒｅｎｄｏｔｈｅｌｉａｌｇｒｏｗｔｈｆａｃｔｏｒ ,ＶＥＧＦ)在肿瘤血管形成过程中起着重要的作用。ＶＥＧＦ在多种肿瘤组织中呈高表达状态 ,对胃癌患者血清ＶＥＧＦ
Recent studies have shown that tumor angiogenesis is one of the necessary conditions for tumor proliferation [1]. Vascular endothelial growth factor (VEGF) plays an important role in tumor angiogenesis. VEGF in a variety of tumor tissues was highly expressed, for patients with gastric cancer serum VEGF