Method:Semi-solid CFU-MK culture system was used to observe the effect of ITP patient s serum infected by HPVB19 on CFU-MK growth.

• 方法:采用巨核祖细胞体外半固体培养技术,观察HPVB19感染的ITP患儿血清对巨核细胞集落形成单位(CFU-MK)生长的影响。