Methods: Retrovirus was packaged in vitro with PA317 cells and Jurkat cell was transducted with collected virus; The expressions of bcl 2 mRNA and protein were assayed by RT PCR and Western blotting, respectively.

• 方法：PA317细胞包装逆转录病毒，病毒转导Jurkat细胞后用RT?PCR及Western印迹法检测bcl?2mRNA及蛋白表达水平；