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血管内皮细胞生长因子ｖａｓｃｕｌａｒｅｎｄｏｔｈｅｌｉａｌｇｒｏｗｔｈｆａｃ-ｔｏｒ，ＶＥＧＦ是一种血管内皮细胞特异的有丝分裂原，对血管的通透性也起重要作用。许多研究表明，肿瘤组织中ＶＥＧＦ的高表达和肿瘤的增殖、转移密切相关１，但有关ＶＥＧＦ表达的
Vascular endothelial growth factor (VEGF) is a vascular endothelial cell-specific mitogen that also plays an important role in the permeability of blood vessels. Many studies have shown that high expression of VEGF in tumor tissues is closely related to the proliferation and metastasis of tumors, but the expression of VEGF