The present invention is related to methods for the therapeutic use in the treatment of diseases and disorders where T-helper independent antibody responses are beneficial. In particular, the present invention relates to a method wherein these diseases and disorders above are treated in immunocompromised or autoimmune diseased animals or humans. Even more particular the present invention relates to the treatment of Alzheimer's disease in immunocompromised or autoimmune diseased animals or humans or where inflammatory reactions need to be specifically avoided.