One SD male rat aged 3 months was used for tibial marrow. The cells of experimental group were fed by 10% drug serum and DMEM, whereas those of control group by 10% control serum and DMEM.

• 取3个月龄雄性SD大鼠1只；在无菌条件下取股骨、胫骨骨髓；实验组骨髓细胞采用体积分数为0.；1含药血清+DMEM培养。