...is presenting data from its study of bone marrow stem cells during a May 27-29 conference..."HUMAN BONE MARROW STEM CELLS INDUCED TO SECRETE NEUROTROPHIC FACTORS AS A NEW STRATEGY FOR AUTOLOGOUS CELL THERAPY IN NEURODEGENERATIVE DISEASES." I believe is the title of their presentation. This probably requires brain surgery to get the stem cells into the brain, but so far, most of the newer possibilities do, too.