Low-dose insulin-like growth factor binding proteins 1 and 2 and angiopoietin-like protein 3 coordinately stimulate ex vivo expansion of human umbilical cord blood hematopoietic stem cells as assayed in NOD/SCID gamma null mice

低剂量胰岛素样生长因子结合蛋白 1 和 2 以及血管生成素样蛋白 3 协同刺激人脐带血造血干细胞体外扩增，如在 NOD/SCID γ 基因缺失小鼠中测定的一样