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| Content Provider | Springer Nature Link |
|---|---|
| Author | Zhou, Gang Zhang, Jing Ren, Xiang wei Hu, Jing yu Du, Ge fei Xu, Xue yi |
| Copyright Year | 2012 |
| Abstract | Oral lichen planus (OLP) is a chronic and T cell-mediated autoimmune disease whose immunopathogenesis may involve antigen-presentation, T cells activation and migration as well as keratinocytes apoptosis. PD-1/B7-H1 pathway may have a unique function in regulating self-reactive T cells associated with inflammatory response and maintaining tolerance in peripheral tissues. In this study, we aimed to explore the contribution of PD-1/B7-H1 pathway to OLP.We determined the expression of PD-1 and B7-H1 on peripheral blood T cells from OLP cases and analyzed their association with disease severity assessed by RAE (reticular, atrophic and erosive lesion) scoring system. In addition, interferon-γ, interleukin (IL)-2, IL-4, IL-10 and soluble PD-1 concentrations in serum were measured using ELISA. Then, we explored the regulation of PD-1/B7-H1 pathway on T cells immune response in OLP by blockade of PD-1 or B7-H1.We found that PD-1 and B7-H1 were up-regulated on peripheral blood T cells from OLP patients and B7-H1 expression positively correlated with disease severity of OLP. It is suggested that Th1 dominant inflammatory situation might contribute to the high expression of PD-1 and B7-H1 in OLP. Blockade of PD-1/B7-H1 pathway significantly increased the proliferation, and IFN-γ and IL-2 production of T cells.PD-1/B7-H1 pathway may play an important role in negatively modulating T cell-mediated immune response in OLP, and provide the rationale to employ B7-H1 expression on peripheral blood T cells as a marker of severity of OLP and to develop agonists targeting PD-1/B7-H1 pathway as a promising immunotherapeutic strategy for OLP. |
| Starting Page | 794 |
| Ending Page | 801 |
| Page Count | 8 |
| File Format | |
| ISSN | 02719142 |
| Journal | Journal of Clinical Immunology |
| Volume Number | 32 |
| Issue Number | 4 |
| e-ISSN | 15732592 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2012-03-21 |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Oral lichen planus PD-1/B7-H1 pathway T cells cytokines Immunology Medical Microbiology Internal Medicine Infectious Diseases |
| Content Type | Text |
| Resource Type | Article |
| Subject | Immunology and Allergy Immunology |
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