Objective To investigate the expression of VEGF mRNA and secretion of VEGF protein in NB4 and HL-60 cells affected by all-trans retinoic acid(ATRA) and daunorubincin(DNR) respectively.

• 目的 探讨在全反式维甲酸 (ATRA)和柔红霉素 (DNR)的分别作用下 ,白血病细胞株NB4和HL 6 0VEGFmRNA表达及VEGF蛋白分泌的变化。