1. Differences among Pollen-Allergic Patients with and without Plant Food Allergy.
- Author
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Cuesta-Herranz, Javier, Barber, Domingo, Blanco, Carlos, Cistero-Bahíma, Ana, Crespo, Jesús F., Fernández-Rivas, Montserrat, Fernández-Sánchez, Javier, Florido, J. Fernando, Ibáñez, M. Dolores, Rodríguez, Rosalía, Salcedo, Gabriel, Garcia, Blanca E., Lombardero, Manuel, Quiralte, Joaquin, Rodriguez, Julia, Sánchez-Monge, Rosa, Vereda, Andrea, Villalba, Mayte, Alonso Díaz de Durana, M. Dolores, and Basagaña, Maria
- Subjects
DIAGNOSIS of food allergies ,ASTHMA ,IMMUNOTHERAPY ,MICROFILAMENT proteins ,ALLERGIES ,PATIENTS - Abstract
Background: A considerable number of pollen-allergic patients develops allergy to plant foods, which has been attributed to cross-reactivity between food and pollen allergens. The aim of this study was to analyze the differences among pollen-allergic patients with and without plant food allergy. Methods: Eight hundred and six patients were recruited from 8 different hospitals. Each clinical research group included 100 patients (50 plant food-allergic patients and 50 pollen-allergic patients). Diagnosis of pollen allergy was based on typical case history of pollen allergy and positive skin prick tests. Diagnosis of plant-food allergy was based on clear history of plant-food allergy, skin prick tests and/or plant-food challenge tests. A panel of 28 purified allergens from pollens and/or plant foods was used to quantify specific IgE (ADVIA-Centaur® platform). Results: Six hundred and sixty eight patients (83%) of the 806 evaluated had pollen allergy: 396 patients with pollen allergy alone and 272 patients with associated food and pollen allergies. A comparison of both groups showed a statistically significant increase in the food and pollen allergy subgroup in frequency of: (1) asthma (47 vs. 59%; p < 0.001); (2) positive skin test results to several pollens: Plantago,Platanus,Artemisia,Betula,Parietaria and Salsola (p < 0.001); (3) sensitization to purified allergens: Pru p 3, profilin, Pla a 1 – Pla a 2, Sal k 1, PR-10 proteins and Len c 1. Conclusion: Results showed relevant and significant differences between both groups of pollen-allergic patients depending on whether or not they suffered from plant-derived food allergy. Copyright © 2010 S. Karger AG, Basel [ABSTRACT FROM AUTHOR]
- Published
- 2010
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