Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology · 2007
Anaphylaxis to lemon soap: citrus seed and peanut allergen cross-reactivity.
Клинический случайСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Glaspole Ian N, de Leon Maria P, Rolland Jennifer M, O'Hehir Robyn E
Аннотация
BACKGROUND: Many individuals allergic to peanuts have multiple allergen sensitivity.
OBJECTIVE: To report the first case, to our knowledge, of a peanut allergic patient who exhibited cosensitivity to citrus seeds and who had experienced anaphylaxis to lemon soap.
METHODS: Extracts of peanut and seeds from different varieties of citrus fruit (orange, lemon, and mandarin) were prepared and resolved with 14% sodium dodecyl sulfate-polyacrylamide gel electrophoresis. Direct and inhibition immunoblotting of the patient's serum on the extracts was used to examine the pattern of IgE reactivity and the presence of cross-reactive allergens.
RESULTS: Numerous IgE reactive proteins were demonstrated in each citrus seed extract and the peanut extract. Complete IgE cross-reactivity was demonstrated among the different citrus seed extracts. Partial cross-reactivity was demonstrated between the peanut and orange seed extracts.
CONCLUSIONS: Citrus seeds contain numerous IgE reactive proteins that are completely cross-reactive among orange, lemon, and mandarin. When peanut allergy coexists with citrus seed allergy, IgE cross-reactivity between peanut and citrus seed proteins can be demonstrated, suggesting a basis to this cosensitivity.
OBJECTIVE: To report the first case, to our knowledge, of a peanut allergic patient who exhibited cosensitivity to citrus seeds and who had experienced anaphylaxis to lemon soap.
METHODS: Extracts of peanut and seeds from different varieties of citrus fruit (orange, lemon, and mandarin) were prepared and resolved with 14% sodium dodecyl sulfate-polyacrylamide gel electrophoresis. Direct and inhibition immunoblotting of the patient's serum on the extracts was used to examine the pattern of IgE reactivity and the presence of cross-reactive allergens.
RESULTS: Numerous IgE reactive proteins were demonstrated in each citrus seed extract and the peanut extract. Complete IgE cross-reactivity was demonstrated among the different citrus seed extracts. Partial cross-reactivity was demonstrated between the peanut and orange seed extracts.
CONCLUSIONS: Citrus seeds contain numerous IgE reactive proteins that are completely cross-reactive among orange, lemon, and mandarin. When peanut allergy coexists with citrus seed allergy, IgE cross-reactivity between peanut and citrus seed proteins can be demonstrated, suggesting a basis to this cosensitivity.