Publication: Periplaneta americana arginine kinase as a major cockroach allergen among the patients with major cockroach allergies
Issued Date
2006-06-01
Resource Type
ISSN
15529924
00916765
00916765
DOI
Other identifier(s)
2-s2.0-33745035637
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Mahidol University
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SCOPUS
Bibliographic Citation
Environmental Health Perspectives. Vol.114, No.6 (2006), 875-880
Suggested Citation
Nitat Sookrung, Wanpen Chaicumpa, Anchalee Tungtrongchitr, Pakit Vichyanond, Chaweewan Bunnag, Pongrama Ramasoota, Pongsri Tongtawe, Yuwaporn Sakolvaree, Pramuan Tapchaisri Periplaneta americana arginine kinase as a major cockroach allergen among the patients with major cockroach allergies. Environmental Health Perspectives. Vol.114, No.6 (2006), 875-880. doi:10.1289/ehp.8650 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/23257
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Title
Periplaneta americana arginine kinase as a major cockroach allergen among the patients with major cockroach allergies
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Abstract
Periplaneta americana is the predominant cockroach (CR) species and a major source of indoor allergens in Thailand. Nevertheless, data on the nature and molecular characteristics of its allergenic components are rare. We conducted this study to identify and characterize the P. americana allergenic protein. A random heptapeptide phage display library and monoclonal antibody (MAb) specific to a the P. americana component previously shown to be an allergenic molecule were used to identify the MAb-bound mimotope and its phylogenic distribution. Two-dimensional gel electrophoresis, liquid chromatography, mass spectrometry, peptide mass fingerprinting, and BLAST search were used to identify the P. americana protein containing the MAb-specific epitope. We studied the allergenicity of the native protein using sera of CR-allergic Thai patients in immunoassays. The mimotope peptide that bound to the MAb specific to P. americana was LTPCRNK. The peptide has an 83-100% identity with proteins of Anopheles gambiae, notch homolog scalloped wings of Lucilia cuprina, delta protein of Apis mellifera; neu5Ac synthase and tyrosine phosphatase of Drosophila melanogaster, and a putative protein of Drosophila pseudoobscura. This finding implies that the mimotope-containing molecule of P. americana is a pan-insect protein. The MAb-bound protein of P. americana was shown to be arginine kinase that reacted to IgE in the sera of all of the CR-allergic Thai patients by immunoblotting, implying its high allergenicity. In conclusion, our results revealed that P. americana arginine kinase is a pan-insect protein and a major CR allergen for CR-allergic Thai patients.