Objective To clone apoptosis related genes induced by all trans retinoic acid (ATRA) from human breast cancer cell line MCF 7, and to analyze the association between the cloned genes and apoptosis.

• 目的 克隆人乳腺癌MCF 7肿瘤细胞凋亡相关的基因 ,分析所克隆基因与凋亡的关系。