Results:There are damages in different levels of DNA in epithelial cell of middle duodenum.The apoptosis cells increase along with the increasing of alcohol concentration.

• 结果显示饮酒小鼠十二指肠粘膜上皮细胞DNA均有不同程度的损伤,随着饮酒浓度的增加,小肠粘膜细胞凋亡逐渐增加。