INDUCTION OF EXPRESSION OF MDR 1 GENE BY RETINOIC ACID AND DMSO AND EFFECTS ON RHODAMINE-123 EFFLUX IN HL-60 CELL LINES AND RESISTANT SUBLINES

• 维甲酸与二甲基亚砜诱导HL－60细胞及其抗性亚型MDR 1的表达和对Rhodamine－123外排的影响