In addition, IGF-I is also produced in most extrahepatic tissues and can function as an autocrine and/or paracrine growth stimulator [13,14].

• 此外，胰岛素样生长因子I是，也产生了在大多数肝外组织和功能，可以作为一个自分泌和/或旁生长刺激因子[ 13,14 ] 。