Expression of PS2 and ITF was determined with RT-PCR,and the determination of contents of aninohexose and phosphatide were carried out.

• 逆转录-多聚酶链反应(RT-PCR)检测乳癌相关肽（PS2）、肠三叶因子（ITF）基因表达变化，并同时检测氨基己糖及磷脂含量。