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  • Title: Clinical significance of a new autoantibody against a human eye muscle soluble antigen, detected by immunofluorescence.
    Author: Mengistu M, Laryea E, Miller A, Wall JR.
    Journal: Clin Exp Immunol; 1986 Jul; 65(1):19-27. PubMed ID: 3539423.
    Abstract:
    The clinical significance of a circulating autoantibody against a recently identified soluble human eye muscle-derived antigen was studied in patients with Graves' ophthalmopathy and autoimmune thyroid disorders. Tests were positive in 73% of patients with Graves' ophthalmopathy, including six of seven with no associated thyroid disease (euthyroid Graves' disease). Tests were also positive in 27% of patients with hyperthyroidism but no clinically apparent eye disease, in 13% of patients with Hashimoto's thyroiditis without eye disease, in two of 12 patients with subacute thyroiditis, in one of 20 patients with nonimmunological thyroid disorders but in none of 39 normal subjects. There were significant positive correlations between serum levels of the antibody (expressed as a titre) and the severity of the eye muscle component quantified as an index as well as the duration of the eye disease. Antibodies were detected in three of five patients with only lid lag and state who subsequently developed active ophthalmopathy, in six of nine patients who developed eye disease after treatment of their hyperthyroidism and in one of eight first degree relatives of patients with Graves' ophthalmopathy. In addition three of the 12 patients with autoimmune thyroid disease without apparent eye involvement, but positive antibody tests, have developed ophthalmopathy since the time of testing. These findings suggest that tests for antibodies against a soluble human eye muscle antigen may be useful clinically as a diagnostic test and to predict the onset of eye disease in predisposed patients and subjects.
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