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Diagnosis of Alternaria alternata sensitization with natural and recombinant Alt a 1 allergens  Juan A. Asturias, PhD, Ignacio Ibarrola, PhD, Angel Ferrer,

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Presentation on theme: "Diagnosis of Alternaria alternata sensitization with natural and recombinant Alt a 1 allergens  Juan A. Asturias, PhD, Ignacio Ibarrola, PhD, Angel Ferrer,"— Presentation transcript:

1 Diagnosis of Alternaria alternata sensitization with natural and recombinant Alt a 1 allergens 
Juan A. Asturias, PhD, Ignacio Ibarrola, PhD, Angel Ferrer, MD, PhD, Carmen Andreu, MD, Esperanza López-Pascual, MD, Joaquín Quiralte, MD, PhD, Fernando Florido, MD, PhD, Alberto Martínez, PhD  Journal of Allergy and Clinical Immunology  Volume 115, Issue 6, Pages (June 2005) DOI: /j.jaci Copyright © 2005 American Academy of Allergy, Asthma and Immunology Terms and Conditions

2 Fig 1 A, Coomassie-stained SDS-PAGE and immunoblots of A alternata allergens. nAlt a 1 (lanes 1), rAlt a 2 (lanes 2), and rAlt a 11 (lanes 3) were run in the presence and absence of β-mercaptoethanol (βME). Immunoblots were incubated with a human serum pool of patients with A alternata allergy. B, Dot blots for nAlt a 1, rAlt a 2, rAlt a 11, and BSA spotted onto nitrocellulose membrane. Dot blots were incubated with individual sera from patients with A alternate allergy. Journal of Allergy and Clinical Immunology  , DOI: ( /j.jaci ) Copyright © 2005 American Academy of Allergy, Asthma and Immunology Terms and Conditions

3 Fig 2 A, Coomassie-stained SDS-PAGE and immunoblot of A alternata allergens. nAlt a 1 (lanes 1), rbAlt a 1 (lanes 2), and ryAlt a 1 (lanes 3) were run in the presence and absence β-mercaptoethanol (βME). Immunoblots were incubated with a human serum pool of patients with A alternata allergy. B, EAST inhibition curves. The binding of human IgE to A alternata extract was inhibited with the following: A alternata extract, nAlt a 1, rbAlt a 1, and ryAlt a 1. Values represent means ± SD. Journal of Allergy and Clinical Immunology  , DOI: ( /j.jaci ) Copyright © 2005 American Academy of Allergy, Asthma and Immunology Terms and Conditions

4 Fig 3 SPT with A alternata extract (AAE), and 3 different concentrations of purified natural and rAlt a 1 are shown. Values are given as means of wheal surface areas. ∗Difference significant at P < .05. NS, Not significant. Journal of Allergy and Clinical Immunology  , DOI: ( /j.jaci ) Copyright © 2005 American Academy of Allergy, Asthma and Immunology Terms and Conditions


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