| First Author | Ashour HM | Year | 2006 |
| Journal | J Immunol | Volume | 176 |
| Issue | 10 | Pages | 5950-7 |
| PubMed ID | 16670303 | Mgi Jnum | J:131707 |
| Mgi Id | MGI:3774229 | Doi | 10.4049/jimmunol.176.10.5950 |
| Citation | Ashour HM, et al. (2006) Peripheral tolerance via the anterior chamber of the eye: role of B cells in MHC class I and II antigen presentation. J Immunol 176(10):5950-7 |
| abstractText | Ags introduced into the anterior chamber (AC) of the eye induce a form of peripheral immune tolerance termed AC-associated immune deviation (ACAID). ACAID mitigates ocular autoimmune diseases and promotes corneal allograft survival. Ags injected into the AC are processed by F4/80(+) APCs, which migrate to the thymus and spleen. In the spleen, ocular APCs induce the development of Ag-specific B cells that act as ancillary APCs and are required for ACAID induction. In this study, we show that ocular-like APCs elicit the generation of Ag-specific splenic B cells that induce ACAID. However, direct cell contact between ocular-like APCs and splenic B cells is not necessary for the induction of ACAID B cells. Peripheral tolerance produced by ACAID requires the participation of ACAID B cells, which induce the generation of both CD4(+) regulatory T cells (Tregs) and CD8(+) Tregs. Using in vitro and in vivo models of ACAID, we demonstrate that ACAID B cells must express both MHC class I and II molecules for the generation of Tregs. These results suggest that peripheral tolerance induced through the eye requires Ag-presenting B cells that simultaneously present Ags on both MHC class I and II molecules. |
