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  • Title: Nonthyroid autoantibodies in obese strain (OS) chickens.
    Author: Aichinger G, Kofler H, Diaz-Merida O, Wick G.
    Journal: Clin Immunol Immunopathol; 1984 Jul; 32(1):57-69. PubMed ID: 6428787.
    Abstract:
    Organ-specific autoantibodies (AAb) to thyroid and non-thyroid antigens of various endocrine and exocrine glands (glandular stomach, pancreas, adrenal, parathyroid, and striated muscle) were determined by different serological procedures in sera from Obese strain (OS), Cornell C strain (CS), normal inbred strains (CC and CB), and outbred normal White Leghorn (NWL) chickens. Thyroglobulin autoantibodies (Tg-AAbs), evaluated by immunodiffusion, passive hemagglutination, enzyme-linked immunosorbent assay, and indirect immunofluorescence, as well as other organ-specific AAbs determined by indirect immunofluorescence, predominated in OS chickens. Tg-AAbs were found in the highest frequency, thyroid microsomal AAbs in intermediate frequency, and the other organ-specific AAbs in low frequency in OS chickens. Thyroid and non-thyroid organ-specific AAbs were found only occasionally in control chickens and then only in low titers. Thus, spontaneous autoimmune thyroiditis of OS chickens correlates closely with human Hashimoto thyroiditis not only in respect to AAbs to thyroid antigens but also to nonthyroid organ-specific antigens. Non-organ-specific AAbs, such as antinuclear antibodies, antibodies to chicken red blood cell nuclei, mitochondrial AAbs, smooth muscle antibodies, and reticulin AAbs occur in high frequency in all strains of chickens tested. Even a slight prevalence in NWL chickens was seen, indicating that the abnormal immune response in OS chickens is restricted to organ-specific antigens of the thyroid gland and in some cases also to other exocrine or endocrine glands.
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