John Matthew F Gicom, Alonna Leanne L Egaran, Edric John S Follante, Mariah Kaye R Ebora, Christine Marianne G Dapal, Katrina Theresa M Balboa, Klyde Irene M Ligot, Jose Ma M Angeles
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Preliminary Exploration of Paper-based ELISA with Recombinant Thioredoxin Peroxidase-1 for Detection of Human Schistosomiasis.
Purpose: This study addresses these limitations by evaluating a field-deployable diagnostic alternative, a paper-based enzyme-linked immunosorbent assay (ELISA) incorporating recombinant thioredoxin peroxidase-1 (rSjTPx-1).
Methods and results: The study focused on optimizing the antigen concentration and serum dilution parameters to enhance assay performance. Subsequently, the diagnostic utility of the optimized rSjTPx-1 paper-based ELISA was evaluated using archived serum samples from individuals in a schistosomiasis-endemic region of the Philippines. These samples had been previously classified using the conventional rSjTPx-1 ELISA as seronegative (n = 3), seropositive with low optical density (OD) values (n = 3), and seropositive with high OD values (n = 3). Compared to the conventional rSjTPx-1-ELISA, the paper-based format demonstrated a sensitivity of 83%, specificity of 100%, and a kappa value of 0.769, indicating substantial agreement.
Conclusion: Although slightly less sensitive than the conventional rSjTPx-1-ELISA, the paper-based format offers significant advantages in terms of portability, ease of use, and suitability for resource-limited settings. These results suggest that the rSjTPx-1 paper-based ELISA could be an accessible diagnostic tool for S. japonicum in endemic regions.
期刊介绍：
Acta Parasitologica is an international journal covering the latest advances in the subject.
Acta Parasitologica publishes original papers on all aspects of parasitology and host-parasite relationships, including the latest discoveries in biochemical and molecular biology of parasites, their physiology, morphology, taxonomy and ecology, as well as original research papers on immunology, pathology, and epidemiology of parasitic diseases in the context of medical, veterinary and biological sciences. The journal also publishes short research notes, invited review articles, book reviews.
The journal was founded in 1953 as "Acta Parasitologica Polonica" by the Polish Parasitological Society and since 1954 has been published by W. Stefanski Institute of Parasitology of the Polish Academy of Sciences in Warsaw. Since 1992 in has appeared as Acta Parasitologica in four issues per year.
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