Volume 95, Issue 2
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



Gnathostomiasis is a zoonotic parasitosis endemic in many Asian and some Latin American countries. Most human infections are caused by in Asia and in the Americas, and recently, imported cases have been increasing among travelers returning from endemic regions. Confirmation of the clinical diagnosis relies largely on serologic tests, with a -antigen-based immunoblot currently being the diagnostic method of choice. However, we repeatedly experienced that sera from patients with clinically suspected American gnathostomiasis gave negative results in this assay. Therefore, we used homologous methods to prepare - and -antigen-based immunoblot assays, and evaluated the cross-reactivity of the two assays. The results show incomplete cross-reactivity between the two assays: the -antigen-based immunoblot apparently only detects Asian gnathostomiasis caused by , whereas the -antigen-based immunoblot is apparently capable of detecting American as well as Asian gnathostomiasis.


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  • Received : 04 Mar 2016
  • Accepted : 18 Apr 2016
  • Published online : 03 Aug 2016

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