Article
Differences in the risk of celiac disease associated with HLA-DQ2.5 or HLA-DQ2.2 are related to sustained gluten antigen presentation.
Nature immunology - 1 Oct 2009
Fallang Lars-Egil, Bergseng Elin, Hotta Kinya, Berg-Larsen Axel, Kim Chu-Young, Sollid Ludvig M
Abstract excerpt
Celiac disease driven by an antigluten T cell response is strongly associated with the histocompatibility antigen HLA-DQ2.5 but is barely associated with HLA-DQ2.2. Yet these molecules have very similar peptide-binding motifs and both present gluten T cell epitopes. We found that DQ2.5(+) antigen-presenting cells (APCs) had greater stability of bound peptides and protracted gluten presentation relative to that of...
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