Objective To explore the blockade effect of phenylbutyrate (PB),a histone deacetylase inhibitor, on the in vitro biological function of AML1/ETO to reverse its transcription repression and induce Kasumi-1 cells to differentiate and apoptosis.

• 目的 探讨组蛋白脱乙酰化酶抑制剂苯丁酸钠 (PB)体外阻断AML1 ETO的生物学功能 ,消除AML1 ETO的转录抑制 ,诱导Kasumi 1细胞生长抑制、分化和凋亡作用。