, Volume 103, Issue 3, pp 713-715

Skin prick test of Kudoa sp. antigens in patients with gastrointestinal and/or allergic symptoms related to fish ingestion

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Abstract

A majority of Kudoa spp. infects the somatic muscle of fish establishing cysts. Previously, elevated humoral responses were detected in BALB/c mice immunised with Kudoa sp. pseudocyst extracts and in BALB/c mice orally inoculated with Kudoa sp. pseudocysts, as well as the presence of anti-Kudoa sp. antibodies in human sera by enzyme-linked immunosorbent assay. The objective of this work was to test Kudoa sp. pseudocyst extracts by the skin prick test. Fifteen patients with gastroallergic and/or allergic symptoms related to fish ingestion were examined. Kudoa sp. pseudocyst extracts were administered (1 mg/ml) on the volar forearm skin. Four of the 15 selected patients were positive to Kudoa sp. extracts. The saline solution negative control did not induce any reaction.

This work was supported in part by the Santander Central Hispano bank under Contract PR27/05-13950-BSCH