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Seafood Allergies

Protein Links Shrimp and Roach Allergies

Inner-city kids who live in homes where there are cockroaches have significantly higher levels of the Immunoglobulin E (IgE) antibody that causes shrimp allergy, according to a study in the October issue of the Journal of Allergy and Clinical Immunology.

Tropomyosin, the allergenic protein in shrimp, is also found in dust mites, cockroaches and other insects. The goal of the study was to determine whether there was a strong correlation between shrimp, cockroach and dust mite IgE levels.

Researchers at New York’s Mount Sinai School of Medicine examined blood samples of asthmatic children from seven inner-city areas across the United States. The children who had a high exposure to cockroaches at home had significantly higher levels of shrimp IgE than children who had low exposure to cockroaches.

There was not a high correlation between dust mite exposure and shrimp IgE levels.

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