The Th1/Th2 dichotomy has become a central paradigm in immunoregulatio
n, Here, Luciano Adorini and Sylvie Trembleau address the validity of
this paradigm for understanding the regulation of autoimmune diabetes.
They conclude that the concept is largely valid, although the oversim
plification intrinsic to the Th1 pathogenic/Th2 protective paradigm ca
nnot describe all the intricacies of the immune response in IDDM.