This is very interesting. It appears that an enhanced antigen specific Th1 immune response could be used to treat autoimmune diseases that are specific to the Th1 pathway:
How does this affect autoimmune disease? In some people with autoimmune disease, patterns showing a dominance to either the Th1 or Th2 pathway have been shown. Although there are exceptions, the following table shows the conditions that are most commonly associated with a Th1 or Th2 dominant state: