PWE is able to promote the elimination of lead in mouse and mitigate the damage of lead on learning and memory by preventing expression of Fas antigen in brain.

• 茯苓提取物能促进染铅小鼠体内铅排除,对改善脑功能记忆有明显作用,可推测茯苓提取物对脑细胞的保护机制可能是通过抑制Fas抗原表达而影响脑细胞凋亡实现的。