M. Itoh et al., Sensitive and specific enzyme-linked immunosorbent assay for the diagnosisof Wuchereria bancrofti infection in urine samples, AM J TROP M, 65(4), 2001, pp. 362-365
Citations number
27
Categorie Soggetti
Envirnomentale Medicine & Public Health","Medical Research General Topics
We developed an enzyme-linked immunosorbent assay (ELISA) that detects fila
ria-specific immunoglobulin G4 antibodies in unconcentrated urine. The ELIS
A was positive in 87 of 91 (95.6%) urine samples collected from people with
Wuchereria bancrofti microfilariae, antigen, or both. Of 298 urine samples
collected in Thailand, Lao People's Democratic Republic, and Japan, where
no human filariasis is known, 295 (99.0%,) were negative by ELISA. Various
intestinal nematode and fluke infections did not interfere with the ELISA.
Urine samples with sodium azide could be kept at 37 degreesC for 4 weeks, a
nd the time of urine collection did not influence ELISA results. This ELISA
can be used to identify endemic foci of filariasis.