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Table of Contents
Vol. 156, No. 3, 2011
Issue release date: October 2011
Section title: Short Communication
Int Arch Allergy Immunol 2011;156:291–296
(DOI:10.1159/000323503)

Plant Lipid Transfer Protein Allergens: No Cross-Reactivity between Those from Foods and Olive and Parietaria Pollen

Tordesillas L.a · Sirvent S.b · Díaz-Perales A.a · Villalba M.b · Cuesta-Herranz J.c · Rodríguez R.b · Salcedo G.a
aUnidad de Bioquímica, Departamento de Biotecnología, E.T.S. Ingenieros Agrónomos, UPM, bDepartamento de Bioquímica y Biología Molecular, Facultad de Química, UCM, y cServicio de Alergia, Fundación Jimenez Díaz, Madrid, España

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Article / Publication Details

First-Page Preview
Abstract of Short Communication

Received: August 10, 2010
Accepted: December 06, 2010
Published online: June 29, 2011
Issue release date: October 2011

Number of Print Pages: 6
Number of Figures: 3
Number of Tables: 0

ISSN: 1018-2438 (Print)
eISSN: 1423-0097 (Online)

For additional information: http://www.karger.com/IAA

Abstract

Background: Cross-reactivity among plant food allergens belonging to the nonspecific lipid transfer protein (LTP) family is well known. In contrast, the relationship among these allergens and their putative homologs from olive (Ole e 7) and Parietaria (Par j 1) pollen has not been clarified. Methods: Sera with specific IgE to LTP allergens were obtained from peach-, mustard- and olive pollen-allergic patients. Purified LTP allergens from foods (peach, apple, mustard and wheat) and pollens (olive, mugwort and Parietaria) were tested by ELISA and ELISA-inhibition assays. Results: Plant food LTP-allergic patients showed a significantly higher number of sera (89–100 vs. 33–64%) with specific IgE and mean specific IgE levels (0.30–1.56 vs. 0.21–0.34 OD units) to the 4 food LTP allergens tested than to olive Ole e 7 and Parietaria Par j 1 pollen. ELISA-inhibition assays indicated cross-inhibition between food LTP allergens but no cross-reactivity between these allergens and Ole e 7 and Par j 1, or, even more, between the LTP allergens from olive and Parietaria pollen. Conclusions: LTP allergens from olive and Parietaria pollen cross-react neither with allergenic LTPs from plant foods nor between themselves. Therefore, both pollens do not seem to be related with the LTP syndrome.

© 2011 S. Karger AG, Basel


Article / Publication Details

First-Page Preview
Abstract of Short Communication

Received: August 10, 2010
Accepted: December 06, 2010
Published online: June 29, 2011
Issue release date: October 2011

Number of Print Pages: 6
Number of Figures: 3
Number of Tables: 0

ISSN: 1018-2438 (Print)
eISSN: 1423-0097 (Online)

For additional information: http://www.karger.com/IAA


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Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug.
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