Objective To study the expression of L selectin, Mac 1, LFA 1 on CML progenitor cells in relation to CML progression and therapeutic effect.

• 目的 探讨慢性粒细胞白血病 (chronicmyelocyticleukemia,CML)细胞黏附分子L selectin(CD62L)、Mac 1(CD11b)、LFA 1(CD11a)的表达与CML的发生、疗效的关系。