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Elena Stansky, Angélique Biancotto, Pradeep K. Dagur, Sapna Gangaputra, Benjamin Chaigne-Delalande, Robert B. Nussenblatt, H. Nida Sen, J. Philip McCoy, Jr; B Cell Anomalies in Autoimmune Retinopathy (AIR). Invest. Ophthalmol. Vis. Sci. 2017;58(9):3600-3607. doi: 10.1167/iovs.17-21704.
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Autoimmune retinopathy (AIR) is a retinopathy associated with unexplained vision loss presumably linked to circulating antiretinal antibodies; currently, however, there are no standardized criteria regarding the diagnosis, treatment strategy, or pathogenesis of this disease. The importance of B-lymphocyte immunophenotyping in the classification of AIR is unknown.
We utilized 15-color multiparametric flow cytometry to identify aberrations in B cell subsets that may contribute to the pathophysiology of AIR. Luminex cytokine analysis was also performed on plasma samples from AIR patients.
Significant differences in AIR patients compared to individuals with other inflammatory conditions or healthy donors were found in the B cell memory compartment, including an increase in naïve B cells and a decrease in switched and unswitched memory B cells, which correlated with alterations in immunoglobulin secretion.
These findings suggest that the maturation process of B cells may be impaired and that B cell immunophenotyping may help in understanding disease process in AIR.
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