Allergy · 2000
A 17-kDa allergen detected in pine nuts.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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García-Menaya J M, Gonzalo-Garijo M A, Moneo I, Fernández B, García-González F, Moreno F
Аннотация
BACKGROUND: Few cases of allergy to pine nuts have been described. We report a case of anaphylactic reaction to pine nuts. The patient needed to be treated in the emergency room due to a systemic reaction immediately after eating pine nuts.
METHODS: The patient was studied by prick tests and prick by prick tests. Specific IgE was measured by CAP and by SDS-PAGE/immunoblotting by a diffusion method.
RESULTS: The patient showed positive prick by prick tests to pine nuts (12 mm of maximum wheal diameter). Specific IgE was positive (0.79 kU/l). The patient's serum recognized several proteins by immunoblot. However, a 17-kDa allergen band was detected with high intensity. This protein was found to be sensitive to reducing agents, losing its IgE-binding properties after reduction.
CONCLUSIONS: The patient presented an IgE-mediated reaction and detected a 17-kDa protein from pine nuts not previously described.
METHODS: The patient was studied by prick tests and prick by prick tests. Specific IgE was measured by CAP and by SDS-PAGE/immunoblotting by a diffusion method.
RESULTS: The patient showed positive prick by prick tests to pine nuts (12 mm of maximum wheal diameter). Specific IgE was positive (0.79 kU/l). The patient's serum recognized several proteins by immunoblot. However, a 17-kDa allergen band was detected with high intensity. This protein was found to be sensitive to reducing agents, losing its IgE-binding properties after reduction.
CONCLUSIONS: The patient presented an IgE-mediated reaction and detected a 17-kDa protein from pine nuts not previously described.