Diagnosis of human toxocariasis by antigen capture enzyme linked immunosorbent assay

S. H. Gillespie*, B. Bidwell, A. Voller, B. D. Robertson, R. M. Maizels

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

50 Citations (Scopus)

Abstract

Aims - To evaluate an antigen capture enzyme linked immunosorbent assay (ELISA) which detects a carbohydrate epitope on the excretory-secretory (ES) antigens of Toxocara canis in clinical practice. Methods - Serum specimens from healthy adults, patients with acute visceral larva migrans, ocular and inactive toxocariasis, and with other helminth infections were examined by two site antigen capture ELISA. Results - Over half of the patients (19/28) with acute toxocariasis had a positive result in contrast to a small proportion of those with inactive disease (1/10) or ocular infection (2/7). False positive reactions, however, were found in 25% of the patients with serologically confirmed schistosomiasis and filariasis. Conclusions - This assay is useful in confirming the diagnosis of acute visceral larva migrans but could not be used alone in diagnosis because of false positive reactions in patients with other helminth infections.

Original languageEnglish
Pages (from-to)551-554
Number of pages4
JournalJournal of Clinical Pathology
Volume46
Issue number6
DOIs
Publication statusPublished - 1 Jan 1993

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