Identification and partial purification of pollen allergens from artemisia princeps

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Title
Identification and partial purification of pollen allergens from artemisia princeps
Author(s)
Hae Sim Park; Chein-Soo Hong; Heung Jai Choi; Kyung Soo Hahm
Bibliographic Citation
Yonsei Medical Journal, vol. 30, no. 4, pp. 346-354
Publication Year
1989
Abstract
The pollen of Artemisia has been considered as the main late summer-autumn allergen source in this country. To identify its allergenic components, Artemisia princeps pollen extracts were separated by 10% sodium dodecylsulfate polyacrylamide gel electrophoresis (SDS-PAGE), and transferred to nitrocellulose membrane, where IgE binding components were detected by the reaction with sera of twenty Artemisia-allergic patients and 125I-anti-human IgE, sixteen components in the molecular range of 10,000 and 85,000 daltons were detected. Twelve bands bound to IgE from 50% of the sera tested, and two bands (37,000, 23,000 daltons) showed the highest (85%) frequency of IgE-binding in twenty sera tested. When the gel of SDS-PAGE with Artemisia pollen extracts was sliced into 11 allergenic groups (AG) and the protein of each AG was obtained by the gel elution method, the wormwool-RAST inhibition test showed that the AG 10 demonstrated to be the most potent, and the AG 7 was the next. Six AGs showed significant responses (more than 100% of wheal size to histamine, 1 mg/ml) on the skin prick test in more than 50% of the patients tested. It is suggested that electrophoretic transfer analysis with SDS-PAGE may be a valuable method for Artemisia allergen identification, and the possibility of partial purification of allergens by employing gel elution is discussed.
Keyword
allergenartemisiapollenpurification
ISSN
0513-5796
Publisher
Yonsei Univ Coll Medicine
DOI
http://dx.doi.org/10.3349/ymj.1989.30.4.346
Type
Article
Appears in Collections:
1. Journal Articles > Journal Articles
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