Enzyme-linked Immunoassay Index for Anti-NC16a IgG and IgE Autoantibodies Correlates with Severity and Activity of Bullous Pemphigoid
DOI:
https://doi.org/10.2340/00015555-2101Abstract
Bullous pemphigoid (BP) is characterized by IgG and IgE autoantibodies to the NC16a domain of BP180. This study evaluated the correlation between body surface area (BSA), total serum IgE and enzyme-linked immunoassay (ELISA) for IgG and IgE anti-NC16a in 77 patients with BP in the active stage, and the degree of conversion to negative of the studied parameters in clinical remission. Statistically positive correlations were observed between BSA and examined parameters (correlation index 0.2548, 0.2491, 0.311, respectively). Originally, patients with BP with positive ELISAs for both IgG and IgE autoantibodies presented twice as extensive skin lesions as those with positive IgG and negative IgE ELISAs. Conversion of ELISAs for IgG and IgE to negative in clinical remission occurred in 9.3% and 81% of patients with BP, respectively. This confirmed that ELISA for IgE anti-NC16a is a helpful parameter in the modification of current treatment and the assessment of risk of relapse in BP.Downloads
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Copyright (c) 2015 Monika Kalowska, Olga Ciepiela, Cezary Kowalewski, Urszula Demkow, Robert A. Schwartz, Katarzyna Wozniak
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