alexa Localization of T cell epitope regions of chicken ovomucoid recognized by mice.
Immunology

Immunology

Journal of Allergy & Therapy

Author(s): Mizumachi K, Kurisaki J

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Abstract We localized the T cell epitope regions of chicken ovomucoid (OVM), a potent egg allergen, with the overlapping pin-peptides covering the entire sequence of OVM and three strains of mice with different haplotypes. In C3H/He (H-2k) mice, the T cells recognized relatively broad regions on OVM; the dominant regions were 49-93 and 97-114 residues, and the subdominant regions were 7-21, 37-48, 94-96, 115-123 and 145-177 residues. In contrast, a more limited number of T cell epitope regions were localized in BALB/c (H-2d) and C57BL/6 (H-2b) mice. The T cells from BALB/c mice recognized 100-114 and 157-171 residues, and the T cells from C57BL/6 mice recognized only 157-180 residues. These results were confirmed by using peptides separately synthesized and purified on the putative epitope regions. The roles of the carbohydrate moieties and cysteine residues involved in the disulfide bridges of OVM were also examined, and we found that they were not important in recognition by the T cell/antigen presenting cell.
This article was published in Biosci Biotechnol Biochem and referenced in Journal of Allergy & Therapy

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