Exciting findings. It has been arugued for a while that Alzheimers is an autoimmune disease but its not clear if its autoantibodies mediated. Perhaps SIF3 will work well in alzheimers.
http://www.momentapharma.com/docs/mnta-2013-corporate-brochure.pdf Page 10, 2nd pp: "Today, global IVIG sales are approximately $7 billion annually. IVIG is approved in several indications, including inflammatory, infectious, and immunodeficiency diseases, and is also being investigated for use in the treatment of Alzheimer’s disease and neurological conditions."