Objective:To explore the effect of antisense phosphorothioate oligodeoxynucleotide (ASODN) directed against the 5 untranslated region, the translation site and the coding region of the bcl 2 messenger RNA on apoptosis in K562 cells.

• 目的 :探讨bcl 2不同靶点的反义寡核苷酸 (ASODN)对白血病细胞株K5 6 2细胞凋亡的影响。