P2‐007: ENDO‐LYSOSOMAL ALTERATIONS IN DOWN SYNDROME BEFORE AND AFTER ALZHEIMER'S DISEASE. (1st July 2014) - Potier, Marie‐Claude; Corlier, Fabian; Laine, Jeanne; Rivals, Isabelle; Frank, Agathe; Ando, Kunie; Fontaine, Gaelle; Delabar, Jean; Coskun, Pinar; Lott, Ira; Duyckaerts, Charles