Objective To explore the cytotoxicity of 2-chlorodeoxyadenosine (2-CDA) to sensitive or multidrug-resistant (MDR) K562 leukemia cell line.

• 目的 探讨 2 -氯脱氧腺苷 (2 - CDA)对多药耐药白血病细胞 (K5 6 2 / A0 2 )的毒性作用。