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Degroote, R.L.* ; Hauck, S.M. ; Kremmer, E. ; Amann, B.* ; Ueffing, M. ; Deeg, C.A.*

Altered expression of talin 1 in peripheral immune cells points to a significant role of the innate immune system in spontaneous autoimmune uveitis.

J. Proteomics 75, 4536-4544 (2012)

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Open Access Green as soon as Postprint is submitted to ZB.

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The molecular mechanism which enables activated immune cells to cross the blood-retinal barrier in spontaneous autoimmune uveitis is yet to be unraveled. Equine recurrent uveitis is the only spontaneous animal model allowing us to investigate the autoimmune mediated transformation of leukocytes in the course of this sight threatening disease. Hypothesizing that peripheral blood immune cells change their protein expression pattern in spontaneous autoimmune uveitis, we used DIGE to detect proteins with altered abundance comparing peripheral immune cells of healthy and ERU diseased horses. Among others, we found a significant downregulation of talin 1 in peripheral blood granulocytes of ERU specimen, pointing to changes in beta integrin activation and indicating a significant role of the innate immune system in spontaneous autoimmune diseases. This article is part of a Special Issue entitled: SI: Farm animal proteomics.

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