Oral Immunotherapy for Pollen Allergy Using T-Cell Epitope-Containing Egg White Derived from Genetically Manipulated Chickens

Yoshinori Kawabe, Yuuki Hayashida, Kensaku Numata, Shota Harada, Yoshifumi Hayashida, Akira Ito, Masamichi Kamihira

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Peptide immunotherapy using T-cell epitopes is expected to be an effective treatment for allergic diseases such as Japanese cedar (Cryptomeria japonica; Cj) pollinosis. To develop a treatment for pollen allergy by inducing oral tolerance, we generated genetically manipulated (GM) chickens by retroviral gene transduction, to produce a fusion protein of chicken egg white lysozyme and a peptide derived from seven dominant human T-cell epitopes of Japanese cedar pollen allergens (cLys-7crp). The transgene sequence was detected in all chickens transduced with the retroviral vector. Transduction efficiency in blood cells correlated to transgene expression. Western blot analysis revealed that cLys-7crp was expressed in the egg white of GM hens. Mice induced to develop allergic rhinitis by Cj pollinosis were fed with cLys-7crp-containing egg white produced by GM chickens. Total and Cj allergen (Cry j 1)-specific IgE levels were significantly decreased in allergic mice fed with cLys-7crp-containing egg white compared with allergic mice fed with normal egg white. These results suggest that oral administration of T-cell epitope-containing egg white derived from GM chickens is effective for the induction of immune tolerance as an allergy therapy.

Original languageEnglish
Article numbere48512
JournalPloS one
Volume7
Issue number10
DOIs
Publication statusPublished - Oct 29 2012

Fingerprint

hay fever
Allergies
Egg White
T-Lymphocyte Epitopes
Seasonal Allergic Rhinitis
immunotherapy
egg albumen
Immunotherapy
epitopes
Cryptomeria
Chickens
mouth
T-lymphocytes
chickens
Allergens
Cryptomeria japonica
Peptides
Transgenes
Muramidase
allergens

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)
  • General

Cite this

Oral Immunotherapy for Pollen Allergy Using T-Cell Epitope-Containing Egg White Derived from Genetically Manipulated Chickens. / Kawabe, Yoshinori; Hayashida, Yuuki; Numata, Kensaku; Harada, Shota; Hayashida, Yoshifumi; Ito, Akira; Kamihira, Masamichi.

In: PloS one, Vol. 7, No. 10, e48512, 29.10.2012.

Research output: Contribution to journalArticle

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