Cell cycle analysis indicated that about 50% of HL-60 cells stagnated at G0/G1 stage in the presence of rh-LIF or low dosage Ara-c.

• 细胞周期分析结果表明：rh-LIF、小剂量Ara-c可致50%25左右HL-60细胞停滞于G0/G1期。