Platelets formed by the megakaryocytes derived from hematopoietic stem cells of such mice contain FVIII stored in alpha granules along with Von Willebrand factor, the natural carrier for FVIII.

• 来源于造血干细胞的小鼠巨核细胞形成的血小板含有储存在阿尔法颗粒连同VWF因子的凝血因子VIII，也就自然承运凝血因子VIII。