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Vol. 149, Suppl. 1, 2009
Issue release date: June 2009
Section title: Original Paper
Int Arch Allergy Immunol 2009;149(suppl 1):21–24
(DOI:10.1159/000210649)

Development of Transgenic Rice Expressing Mite Antigen for a New Concept of Immunotherapy

Suzuki K. · Kaminuma O. · Yang L. · Motoi Y. · Takai T. · Ichikawa S. · Okumura K. · Ogawa H. · Mori A. · Takaiwa F. · Hiroi T.
aDepartment of Allergy and Immunology, The Tokyo Metropolitan Institute of Medical Science, Tokyo, bTransgenic Crop Research and Development Center, National Institute of Agrobiological Sciences, Tsukuba, cAtopy (Allergy) Research Center, Juntendo University School of Medicine, Tokyo, and dClinical Research Center for Allergy and Rheumatology, National Hospital Organization, Sagamihara National Hospital, Sagamihara, Japan

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Article / Publication Details

First-Page Preview
Abstract of Original Paper

Published online: 6/3/2009

Number of Print Pages: 4
Number of Figures: 2
Number of Tables: 0

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

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

Abstract

Background: To elucidate the usefulness of antigen-specific immunotherapy based on oral vaccination with an edible part of the plant, we examined the effect of transgenic (Tg) rice seeds expressing an immunodominant fragment of the group 1 antigen of Dermatophagoides pteronyssinus (Der p 1) on a murine model of asthma. Methods: Mice were orally vaccinated with the Tg or non-Tg rice seeds for 2 weeks, then they were immunized with recombinant Der p 1 (rDer p 1) and alum intraperitoneally. Antigen-induced immune responses, such as proliferation and cytokine production of CD4+ T cells, antigen-specific serum IgE and IgG, and infiltration of inflammatory cells into the airways were investigated in those mice. Results: The proliferation and Th2 cytokine production of CD4+ T cells in vitro, antigen-specific IgE and IgG synthesis as well as accumulation of eosinophils and lymphocytes into the airways in vivo were significantly inhibited by administration of the Tg rice. Conclusions: These results suggest that the edible vaccines using Tg rice seeds are useful for the treatment of allergic disorders including bronchial asthma.


Article / Publication Details

First-Page Preview
Abstract of Original Paper

Published online: 6/3/2009

Number of Print Pages: 4
Number of Figures: 2
Number of Tables: 0

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

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


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Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher or, in the case of photocopying, direct payment of a specified fee to the Copyright Clearance Center.
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 goverment 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.
Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

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