乳腺癌是女性最常见的恶性肿瘤,其发病率呈逐年上升及年轻化趋势,严重威胁女性的健康,乳腺癌能被早期诊断、合理治疗显得尤为重要。凋亡抑制蛋白家族(inhibitor of apoptosis proteins,lAPs)是一类内源性的细胞抑制因子,其过度表达引起的凋亡减少与肿瘤的发生密切相关。Livin是I- Breast cancer is the most common malignant tumor in women. The incidence of breast cancer is increasing year by year and younger. It is a serious threat to the health of women. Breast cancer can be diagnosed early and it is very important for reasonable treatment. Inhibitors of apoptosis proteins (lAPs) are a class of endogenous cytostatic factors, and their over-expression-induced apoptosis is closely related to tumorigenesis. Livin is an I-