Apoptosis inducing factor(AIF), whose gene lies in X chromosome, is likely an apoptogenic effector protein to mediates nuclear apoptosis directly.

• 凋亡诱导因子 (apoptosis inducingfactor ；AIF)基因定位于X染色体上 ；其编码产物是一种可直接介导细胞核凋亡的效应分子 .