Immunological characterization of honey proteins and identification of MRJP 1 as an IgE-binding protein

Takeshi Hayashi, Nobue Takamatsu, Takashi Nakashima, Takashi Arita

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

We encountered a fourth case of honey allergy in Japan. We characterized and identified the IgE-binding proteins in honey using the serum of a honey-allergenic patient. Immunoblot analysis revealed that IgE in the patient serum specifically bound to four proteins in each honey sample. At least three of these IgE-binding proteins were N-linked glycoproteins. To identify the 60-kDa IgE-binding protein in dandelion honey, the N-terminal sequences of the fragmented protein were analyzed, revealing the protein to be major royal jelly protein 1 (MRJP 1). Three IgE-binding proteins removed of N-linked oligosaccharide showed a large reduction in IgE-binding activity as compared with the intact protein. This suggests that the carbohydrates in the IgE-binding proteins are a major epitope for patient IgE.

Original languageEnglish
Pages (from-to)556-560
Number of pages5
JournalBioscience, Biotechnology and Biochemistry
Volume75
Issue number3
DOIs
Publication statusPublished - Apr 13 2011

Fingerprint

Galectin 3
Honey
Immunoglobulin E
Proteins
Taraxacum
Allergies
Serum
Oligosaccharides
Epitopes
Glycoproteins
Japan
Hypersensitivity
Carbohydrates
royal jelly

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Analytical Chemistry
  • Biochemistry
  • Applied Microbiology and Biotechnology
  • Molecular Biology
  • Organic Chemistry

Cite this

Immunological characterization of honey proteins and identification of MRJP 1 as an IgE-binding protein. / Hayashi, Takeshi; Takamatsu, Nobue; Nakashima, Takashi; Arita, Takashi.

In: Bioscience, Biotechnology and Biochemistry, Vol. 75, No. 3, 13.04.2011, p. 556-560.

Research output: Contribution to journalArticle

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