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血管生长素（ａｎｇｉｏｇｅｎｉｎ，ＡＮＧ）是一种能有效促进新生血管形成的刺激因子［１］，在新生血管的形成过程中发挥着重要的作用。而新生血管的形成又是体内实体瘤生长和转移必不可少的重要环节。已有大量研究表明，ＡＮＧ与肿瘤的快速生长和转移具有密切的关系［２］
Angiogenin (ANG) is a stimulating factor that can effectively promote neovascularization [1] and plays an important role in angiogenesis. The formation of neovasculature is an essential part of the growth and metastasis of solid tumors in vivo. A large number of studies have shown that ANG has a close relationship with the rapid tumor growth and metastasis [2]