The DOI matches its Crossref record; 32 of the 32 references it cites were found in a registry or an index.
Molecular cloning and epitope analysis of the peanut allergen Ara h 3
Open accessAbstract
Peanut allergy is a significant IgE-mediated health problem because of the increased prevalence, potential severity, and chronicity of the reaction. Following our characterization of the two peanut allergens Ara h 1 and Ara h 2, we have isolated a cDNA clone encoding a third peanut allergen, Ara h 3. The deduced amino acid sequence of Ara h 3 shows homology to 11S seed-storage proteins. The recombinant form of this protein was expressed in a bacterial system and was recognized by serum IgE from approximately 45% of our peanut-allergic patient population. Serum IgE from these patients and overlapping, synthetic peptides were used to map the linear, IgE-binding epitopes of Ara h 3. Four epitopes, between 10 and 15 amino acids in length, were found within the primary sequence, with no obvious sequence motif shared by the peptides. One epitope is recognized by all Ara h 3-allergic patients. Mutational analysis of the epitopes revealed that single amino acid changes within these peptides could lead to a reduction or loss of IgE binding. By determining which amino acids are critical for IgE binding, it might be possible to alter the Ara h 3 cDNA to encode a protein with a reduced IgE-binding capacity. These results will enable the design of improved diagnostic and therapeutic approaches for food-hypersensitivity reactions.
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The effects of roasting on the allergenic properties of peanut proteins
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Metadata
- Authors
- Rabjohn, P., Helm, E. M., Stanley, J. S., West, C. M., Sampson, H. A., Burks, A. W., & Bannon, G. A.
- Venue
- Journal of Clinical Investigation
- Published
- 1999-02-15
- Volume
- 103
- Issue
- 4
- Pages
- 535-542
- ISSN
- 0021-9738 (ISSN-L)
- OpenAlex
- W2123994079
- Cited by
- 405
- References
- 32
- FWCI
- 8.42
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Rabjohn, P., Helm, E. M., Stanley, J. S., West, C. M., Sampson, H. A., Burks, A. W., & Bannon, G. A. (1999). Molecular cloning and epitope analysis of the peanut allergen Ara h 3. Journal of Clinical Investigation. https://doi.org/10.1172/jci5349
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