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In the present study the sensitivity and the specificity of three serological tests (enzyme-linked immunosorbent assay [ELISA], indirect fluorescent antibody test [IFA], and recombinant line immunoblot) were compared by examining 74 sera from patients diagnosed with
Lyme disease in Eastern Slovakia. In addition, the reactivity to each of the recombinant proteins in the immunoblot was examined in order to evaluate their diagnostic value. Generally, the immunoblot (93.2%) and the ELISA (90.5%) were significantly more sensitive than the IFA (64.9%; df = 1; p Lyme arthritis. VlsE proteins, together with OspC proteins, were also shown to be useful for IgM antibody detection in erythema migrans patients (up to 44.4% and 53.7% sensitivity, respectively). Our results indicate that both the ELISA and the recombinant immunoblot test were more satisfactory for seroconfirmation of
Lyme disease than IFA. Moreover, the reseach confirmed diagnostic value of the in-vivo expressed proteins (VlsE and DbpA), which might have the potential to play an important role in improving whole-cell antigen-based testing.