Comparison of schistosoma mansoni soluble cercarial antigens and soluble egg antigens for serodiagnosing schistosome infections

Smith, H., Doenhoff, M., Aitken, C., Bailey, W., Ji, M., Dawson, E., Gilis, H., Spence, G., Alexander, C. and van Gool, T. (2012) Comparison of schistosoma mansoni soluble cercarial antigens and soluble egg antigens for serodiagnosing schistosome infections. PLoS Neglected Tropical Diseases, 6(9), e1815. (doi: 10.1371/journal.pntd.0001815)

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Abstract

A Schistosoma mansoni cercarial antigen preparation (cercarial transformation fluid – SmCTF) was evaluated for detection of anti-schistosome antibodies in human sera in 4 collaborating laboratories. The performance of SmCTF was compared with that of S. mansoni egg antigens (SmSEA) in an indirect enzyme-immunoassay (ELISA) antigen assay, the latter being used routinely in 3 of the 4 participating laboratories to diagnose S. mansoni and S. haematobium infections. In the fourth laboratory the performance of SmCTF was compared with that of S. japonicum egg antigens (SjSEA) in ELISA for detection of anti-S. japonicum antibodies. In all 4 laboratories the results given by SmCTF in ELISA were very similar to those given by the antigen preparation routinely used in the respective laboratory to detect anti-schistosome antibodies in human infection sera. In so far as the ELISA results from SmCTF are thus so little different from those given by schistosome egg antigens and also cheaper to produce, the former is a potentially useful new diagnostic aid for schistosomiasis.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Smith, Prof Huw and Alexander, Miss Claire
Authors: Smith, H., Doenhoff, M., Aitken, C., Bailey, W., Ji, M., Dawson, E., Gilis, H., Spence, G., Alexander, C., and van Gool, T.
College/School:College of Medical Veterinary and Life Sciences > School of Life Sciences
College of Medical Veterinary and Life Sciences > School of Medicine, Dentistry & Nursing
Journal Name:PLoS Neglected Tropical Diseases
Publisher:Public Library of Science
ISSN:1935-2727
ISSN (Online):1935-2735
Published Online:13 September 2012
Copyright Holders:Copyright © 2012 The Authors
First Published:First published in PLoS Neglected Tropical Diseases 6(9):e1815
Publisher Policy:Reproduced under a Creative Commons License

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