Shimada Y 1 , Fukuda T 2 , Nishiyama Y 1 , Kobayashi H 1 , Eto Y 3 , Ida H 4 , Ohashi T 1 1 Dept Gene Ther, Inst DNA Med, Jikei Univ, Tokyo, Japan 2 Div Neuropathol, Jikei Univ, Tokyo, Japan 3 Dept Genet Dis & Genom Sci, Jikei Univ, Tokyo, Japan 4 Dept Ped, Jikei Univ, Tokyo, Japan