The hematopietic stem/progenitor cells might be less sensitive to hematopoietic growth factor in relapsing phase of MS than those in remitting phase of MS.

• 结论:提示MS复发期患者骨髓造血干/祖细胞本身或其分化成粒-单系的过程存在异常;MS复发期造血干/祖细胞也可能对造血生长因子的反应较缓解期差。