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Article
2025
Development and validation of a novel enzyme-linked immunosorbent assay for the differentiation of tick-borne encephalitis infections caused by different virus subtypes
Development and validation of a novel enzyme-linked immunosorbent assay for the differentiation of tick-borne encephalitis infections caused by different virus subtypes
Abstract (English)
Objectives: Tick-borne encephalitis (TBE) is an infection caused by the tick-borne encephalitis virus (TBEV) that can lead to symptoms of central nervous system inflammation. There are five subtypes of TBEV, three of which – European, Siberian and Far Eastern – occur in Europe. As it is thought that different subtype infections exhibit varying clinical courses and outcomes, serological differentiation of the virus subtypes is clearly important. However, to date, this has proved difficult to achieve. Methods: An ELISA format was developed based on TBE virus NS1 antigen against the European, Siberian and Far Eastern subtype. The three NS1 antigens were biotechnologically produced in a human cell line and used for ELISA coating. Sera from German (European subtype) and Russian (Siberian and/or Far Eastern subtypes) TBE patients with positive TBEV IgG were used to test the reactivity against these three NS1 antigens. Results: Testing of 23 German and 32 Russian TBEV IgG-positive sera showed that the ELISA was able to differentiate between TBEV European subtype and TBEV Siberian and Far Eastern subtype infections. Conclusions: In geographical areas where two or more TBEV subtype infections can occur, the NS1-IgG ELISA developed here constitutes an important diagnostic tool to differentiate between European subtype infections and Siberian/Far Eastern subtype infections and to use the new assay for epidemiological studies to clarify the importance of particular subtype infections in an area. Consequently, it may help to better describe and anticipate the clinical courses and outcomes of particular TBEV subtype infections.
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Infection, 53 (2025), 297-306.
https://doi.org/10.1007/s15010-024-02370-2.
ISSN: 1439-0973
Berlin/Heidelberg : Springer
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Freimane, Z., Dobler, G., Chitimia-Dobler, L., Karelis, G., Girl, P., Kuzmane, S., Savicka, O., Erber, W., & Zavadska, D. (2025). Development and validation of a novel enzyme-linked immunosorbent assay for the differentiation of tick-borne encephalitis infections caused by different virus subtypes. Infection, 53. https://doi.org/10.1007/s15010-024-02370-2
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English
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610 Medicine and health
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@article{Freimane2025,
doi = {10.1007/s15010-024-02370-2},
author = {Freimane, Zane and Dobler, Gerhard and Chitimia-Dobler, Lidia et al.},
title = {Development and validation of a novel enzyme-linked immunosorbent assay for the differentiation of tick-borne encephalitis infections caused by different virus subtypes},
journal = {Infection},
year = {2025},
volume = {53},
pages = {297--306},
}