Abstract
The sera of Sjögren’s syndrome patients frequently contain autoantibodies to proteins normally localized in intracellular compartments. These include the Ro/SSA and La/SSB ribonucleoproteins, which are expressed in the nuclei; fodrin, which mediates interactions between the cytoskeleton and plasma membrane, and as-yet-uncharacterized proteins that appear to be associated with the Golgi complex. Theories to explain the loss of tolerance to the classical Sjögren’s autoantigens generally begin with the premise that under normal circumstances they are exposed to the immune system at levels so low that tolerance can be maintained through peripheral mechanisms.
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Mircheff, A.K., Qian, L., Xie, J., Wang, Y., Hamm-Alvarez, S.F. (2002). M3 Receptor Autoimmunity: Losing Tolerance to a Familiar Protein. In: Sullivan, D.A., Stern, M.E., Tsubota, K., Dartt, D.A., Sullivan, R.M., Bromberg, B.B. (eds) Lacrimal Gland, Tear Film, and Dry Eye Syndromes 3. Advances in Experimental Medicine and Biology, vol 506. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-0717-8_6
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DOI: https://doi.org/10.1007/978-1-4615-0717-8_6
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