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[Experimental autoimmune uveitis and retinitis induced by S-antigen immunization]
M Misiuk-Hojło1, J Ruiz-Moreno, B Thillaye
1Laboratorium Immunopatologii Oka, INSERM U 86, Paryzu.
Klinika Oczna
|March 1, 1993
Summary
Antibodies targeting S-antigen peptide M induce experimental autoimmune uveoretinitis (EAU) in rats. Conversely, antibodies against S-antigen peptide S2 were found in rats that did not develop EAU, suggesting a regulatory role.
Area of Science:
- Ophthalmology
- Immunology
- Autoimmune Diseases
Context:
- Experimental autoimmune uveoretinitis (EAU) is an animal model for human uveitis.
- EAU is induced by immunization with S-antigen in complete Freund's adjuvant.
- The disease manifests clinically as anterior and posterior uveitis.
Purpose:
- To investigate the role of specific S-antigen peptides in the induction and regulation of EAU.
- To correlate antibody responses to S-antigen and its peptides with disease development.
Summary:
- Lewis rats immunized with S-antigen developed EAU.
- Antibodies against S-antigen peptide M were present in all rats with EAU.
- Rats that did not develop EAU had antibodies against S-antigen peptide S2, located in the N-terminal region.
Impact:
- Identifies peptide M as a pathogenic site for EAU induction.
- Suggests peptide S2 has a regulatory role in EAU.
- Provides insights into the immunopathogenesis of autoimmune uveitis.