The angiopoietin (Ang) family is important angiogenesis factor, including four members: Ang-1, Ang-2, Ang-3, Ang-4 It play critical role for blood vessel formation.

• 促血管生成素(Ang)作为血管生成的一种因子,分为Ang-1、Ang-2、Ang-3、Ang-4 四类亚型,在血管生成中发挥着重要作用。