Thank you for your interesting answers!
gibbledygook wrote:Is your sister on beta interferon?
Yes, my sister is on beta interferon (Rebif44) for 1,5 years now. But it didn't improve her hay fever, last year it was even worse than ever.
Wonderfulworld wrote:I have NEVER had a relapse during this time. I always thought it was to do with summer & vitamin D etc, but perhaps it is indeed the hay fever challenge.
The first relapse of my sister was middle/end of august 2006, end of hay fever season. Another one was in autumn, another in spring before everything was in bloom. So this is the first relapse during her ususal hay fever time, and the hay fever is gone...
OK, I must admit my immunology knowledge is really poor, but maybe some of you have heard about the th1/th2 balance of the immune system. Th1 and th2 are different subtypes of t-lymphocytes which produce different cytokines to "communicate".
Autoimmune disease (MS) is a th1 immune answer,
allergy seem to be th2. During
pregnancy the balance seem to be shifted more towards th2. So after birth it maybe shifts back >>higher relapse rate... And after allergy?
Interferon beta is an immunmodulating cytokine which should influence the th1/th2 balance more towards th2... But all this th1/th2 stuff seems more complicated

and not really evidenced. Maybe I should take heart to go next door and ask the immunologists working there.
Sandrine