The American journal of tropical medicine and hygiene · 2009
MM3-ELISA detection of Fasciola hepatica coproantigens in preserved human stool samples.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Ubeira Florencio M, Muiño Laura, Valero M Adela, Periago M Victoria, Pérez-Crespo Ignacio, Mezo Mercedes, González-Warleta Marta, Romarís Fernanda, Paniagua Esperanza, Cortizo Sandra, Llovo José, Más-Coma Santiago
Аннотация
In this study, we evaluate the MM3-COPRO method for detection of Fasciola coproantigens in human fecal samples, and the usefulness of a new preservative/diluent, CoproGuard, developed for preservation of Fasciola coproantigens. The MM3-COPRO assay was evaluated with 213 samples from healthy patients, 30 Fasciola positive fecal samples (according to the Kato-Katz method), and 83 samples from patients with other parasitic infections. All Fasciola positive specimens were detected with the MM3-COPRO assay (100% sensitivity) and there was no cross-reactivity with other common parasites present in the clinical specimens analyzed (100% specificity). The use of CoproGuard enhanced coproantigen extraction without affecting the detection limit of the assay, and the antigenicity of Fasciola coproantigens in fecal samples stored at 37 degrees C was retained throughout the entire observation period (120 days). We concluded that the MM3-COPRO ELISA combined with the use of CoproGuard may be a very useful tool for the diagnosis of human fascioliasis.