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- Title
An immunologic homunculus for type 1 diabetes.
- Authors
Homann, Dirk; Eisenbarth, George S
- Abstract
Autoimmune diseases such as the diabetes that develops in NOD mice depend on immunologic recognition of specific autoantigens, but recognition can result in a pathogenic or protective T cell response. A study by Du et al. in this issue of the JCI demonstrates that TGF-beta signaling by T cells recognizing the insulin peptide B:9-23 is essential for such protection and that this inhibitory cytokine functions in both a paracrine and an autocrine manner (see the related article beginning on page 1360). We propose that the insulin peptide B:9-23 and a conserved TCR motif form an "immunologic homunculus" underlying the relatively common targeting of insulin by T cells that, as demonstrated by the study of Du and coworkers, results in a protective T cell response, or diabetes, as shown by other investigators, for related T cell receptors.
- Publication
The Journal of clinical investigation, 2006, Vol 116, Issue 5, p1212
- ISSN
0021-9738
- Publication type
Journal Article
- DOI
10.1172/JCI28506