A variety of experimental approaches are currently being evaluated for
controlling CD4(+) T helper 1 (Th1)-mediated autoimmune pathology. He
re, Stephen Miller and william Karpus compare and contrast the efficac
ies of various antigen-specific regulatory strategies. Particular emph
asis is placed on the mechanisms of peripheral immune tolerance and ho
w this may be used in the treatment and analysis of the pathologic T-c
ell repertoire in autoimmune and virus-induced demyelinating diseases.