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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
6
pubmed:dateCreated
2007-10-10
pubmed:abstractText
Rice seed-based edible vaccines expressing T-cell epitope peptides derived from Japanese cedar major pollen allergens have been used to successfully suppress allergen-specific Th2-mediated immunoglobulin E (IgE) responses in mouse experiments. In order to further expand the application of seed-based allergen-specific immunotherapy for controlling Japanese cedar pollinosis, we generated transgenic rice plants that specifically express recombinant Cry j 1 allergens in seeds. Cry j 1 allergens give low specific IgE-binding activity but contain all of the T-cell epitopes. The allergens were expressed directly or as a protein fusion with the major rice storage protein glutelin. Fusion proteins expressed under the control of the strong rice endosperm-specific GluB-1 promoter accumulated in rice endosperm tissue up to 15% of total seed protein. The fusion proteins aggregated with cysteine-rich prolamin and were deposited in endoplasmic reticulum-derived protein body I. The production of transgenic rice expressing structurally disrupted Cry j 1 peptides with low IgE binding activity but spanning the entire Cry j1 region can be used as a universal, safe and effective tolerogen for rice seed-based oral immunotherapy for cedar pollen allergy in humans and other mammals.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
1467-7652
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
5
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
815-26
pubmed:dateRevised
2010-11-18
pubmed:meshHeading
pubmed:year
2007
pubmed:articleTitle
Development of transgenic rice seed accumulating a major Japanese cedar pollen allergen (Cry j 1) structurally disrupted for oral immunotherapy.
pubmed:affiliation
Transgenic Crop Research and Development Center, National Institute of Agrobiological Sciences, Kannondai 2-1-2, Tsukuba, Ibaraki 305-8602, Japan.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't