Title |
Graph Based Study of Allergen Cross-Reactivity of Plant Lipid Transfer Proteins (LTPs) Using Microarray in a Multicenter Study
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Published in |
PLOS ONE, December 2012
|
DOI | 10.1371/journal.pone.0050799 |
Pubmed ID | |
Authors |
Arantxa Palacín, Cristina Gómez-Casado, Luis A. Rivas, Jacobo Aguirre, Leticia Tordesillas, Joan Bartra, Carlos Blanco, Teresa Carrillo, Javier Cuesta-Herranz, Consolación de Frutos, Genoveva García Álvarez-Eire, Francisco J. Fernández, Pedro Gamboa, Rosa Muñoz, Rosa Sánchez-Monge, Sofía Sirvent, María J. Torres, Susana Varela-Losada, Rosalía Rodríguez, Victor Parro, Miguel Blanca, Gabriel Salcedo, Araceli Díaz-Perales |
Abstract |
The study of cross-reactivity in allergy is key to both understanding. the allergic response of many patients and providing them with a rational treatment In the present study, protein microarrays and a co-sensitization graph approach were used in conjunction with an allergen microarray immunoassay. This enabled us to include a wide number of proteins and a large number of patients, and to study sensitization profiles among members of the LTP family. Fourteen LTPs from the most frequent plant food-induced allergies in the geographical area studied were printed into a microarray specifically designed for this research. 212 patients with fruit allergy and 117 food-tolerant pollen allergic subjects were recruited from seven regions of Spain with different pollen profiles, and their sera were tested with allergen microarray. This approach has proven itself to be a good tool to study cross-reactivity between members of LTP family, and could become a useful strategy to analyze other families of allergens. |
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