Circulating immune complex (CIC) elevated cases in CFU-F reduced group were not more common than that in CFU-F normal group. Thus the elevation of CIC was not related to micro-environment defect.

• 在CFU-F减低组中循环免疫复合物(CIC)升高的病例不比CFU-F正常组中CIC升高的病例明显增多；未能说明CIC升高和造血微环境缺陷有关.