Journal
ACTA DERMATO-VENEREOLOGICA
Volume 95, Issue 5, Pages 559-564Publisher
ACTA DERMATO-VENEREOLOGICA
DOI: 10.2340/00015555-2023
Keywords
pemphigus vulgaris; pemphigus foliaceus; anti-Dsg1; anti-Dsg-3; indirect immunofluorescence
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Funding
- Department of Dermatology, DIAID, Medical University of Vienna, Austria
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Detecting serum-autoantibodies by anti-Desmoglein-1 (anti-Dsgl) and anti-Dsg3 ELISAs as well as indirect immunofluorescence (IN) are established complementary methods to diagnose pemphigus. Whether autoantibody levels also reflect clinical disease activity is still a matter of debate, as head-to-head comparisons of ELISA values and 'IF titres with clinical activity over a longer treatment period are scarce. In our retrospective study, we compared aggregated repetitive intra-patient ELISA values and IIF titres with grades of clinical disease (1=remission, 2=moderate activity, 3=exacerbation) in 47 patients suffering from pemphigus vulgaris (PV, n=36) and pemphigus foliaceus (PF, n=11). We found that anti-Dsg1 ELISA values in PF and mucocutaneous PV as well as anti-Dsg3 ELISA values in PV best reflect disease activity. HF titres, by contrast, did not show a significant association with disease severity. From these data we conclude that ELISA index values can be a valuable tool to monitor disease in patients with pemphigus, whereas IIF titres reflect clinical activity only insufficiently.
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