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Revival of Hop Japanese pollinosis in asthmatic subjects in Kyungki area

Other Title
환삼덩굴 화분증 : 천식유발시험상 확진된 환자들의 임상적 특징
박, 해심; 최, 소연; 남, 동호; 김, 희연
Chʿŏnsik mit alrerugi, 18(1):52-60, 1998
Journal Title
Chʿŏnsik mit alrerugi; Journal of asthma, allergy and clinical immunology; Korean journal of asthma, allergy and clinical immunology; 천식 및 알레르기
Background : Hop Japanese (Hop J) pollens are abundant in the air of Korea during

the autumn season. Their significances as a source of allergenic sensitization have been

underestimated in this country.

Material and Method : In other to observe clinical features of Hop J-sensitive

asthmatic patients In this country, skin prick test with Hop J pollen was performed. The

serum specific IgE antibodies to Hop J pollen antigen were detected by enzyme linked

immunosorbent assay (ELISA) in positive responders ( 2 of A/H ratio) on skin prick

test. To confirm the respiratory sensitization, bronchoprovocation test was performed in

17 asthmatic patients sensitive to this pollen.

Result : Ten asthmatic subjects showed a significant bronchoconstriction following the

Inha ration of Hop J pollen extract (6 early and 4 dual asthmatic responses) and all of

them had high serum specific IgE bindings, with minimal bindings In negative

responders. They have suffered from seasonal aggravation of asthmatic symptoms with

or without rhinitis, and/or conjunctivitis symptoms. The skin reactivity to Hop J had

more than 5+ of A/H ratio on skin prick test in nine positive responders, while negative

responders showed from 1+ to 3+ response. Moreover, four (40%) asthmatic subjects

showed a positive response to only the Hop J pollen on skin prick test and an isolated

positive asthmatic response to the Hop J bronchoprovocation test.

Conclusion : We believe that the Hop J pollen should be considered as an allergen

during the Autumn season, and thus included in skin test batteries In this area. Some

labelled having Intrinsic asthma or rhinitis' might be sensitized to this pollen or other

unknown allergens
Hop Japanese pollenasthmaspecific JgEbronchoprovocation test
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Journal Papers > School of Medicine / Graduate School of Medicine > Allergy
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