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Arerugi. 2000 Jun;49(6):479-86.

[Clinical characteristics of seafood allergy and classification of 10 seafood allergens by cluster analysis].

[Article in Japanese]

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Department of Pediatrics, Kitaibaraki Municipal Hospital.


The aim of this study was to investigate the clinical characteristics of children who showed sensitization to any type of seafood and to classify the 10 seafood allergens based on IgE reactivities by a cluster analysis. In children with bronchial asthma (BA) and/or atopic dermatitis (AD), we defined the 'seafood' group as 23 patients having any type of seafood specific IgE antibody (CAP system). We analyzed the clinical features, the serum total IgE and each allergen specific IgE level. In addition, ten seafood allergens were also classified by a cluster analysis. Three patients revealed immediate hypersensitivity to some seafood. The frequency of patients with AD and the total IgE in the seafood group were high and the patients in this group were tend to be sensitized to multiple allergens. Seafood allergens were classified into 4 groups, 1) salmon, sardine, horse mackerel and mackerel, 2) cod and tuna, 3) octopus and squid, and 4) crab and shrimp, by a cluster analysis. These findings corresponded to the biological classification and the classification by the reported common allergens among various types of seafood. Based on our findings, this classification is therefore considered to be useful when selecting allergens to screen for sensitization to seafood.

[Indexed for MEDLINE]

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