Objective To explore the reversal effect of cyclosporin A(CsA) in combination with cytokines on multidrug resistant cell line K562/A02. Method The cytotoxicities of daunorubicin(DNR) were assayed by MTT method.

• 目的探讨环孢菌素A（CsA）联合细胞因子对耐药细胞系K562/A02的逆转作用。 方法以甲基四唑蓝法测定柔红霉素（DNR）的细胞毒性；