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표준화 방법을 이용한 국내에서 사용되는 여러가지 아메리카 집먼지진드기 알레르겐의 비교
박해심,남동호,채보원 대한천식알레르기학회 1996 천식 및 알레르기 Vol.16 No.1
The need for standardization of allergen extracts has been recognized since the early days of allergen immunotherapy. To ensure the safety and effectiveness of D. farinae extracts which is the most important inhalant allergen in this country, we analyzed two extracts for skin prick test, four extracts for bronchoprovocation test and three immunotherapy extracts. The protein content was determined by Bradfords method, allergenic potency was compared by D. farinae-RAST inhibition test and group I and K allergen content was measured by ELISA method using monoclonal antibody. The protein content of diagnostic extracts (39.9 -285ug/ml) tended to be higher than immunotherapy extracts (4.3 - 99ug/ml). RAST inhibition result was presented as the volume which could inhibit 50 % specicific IgE binding. High allergenic potency was noted in diagnostic extracts (0.8-5ul) and minimal allergenic potency was noted in the initial immunotherapy extracts, which increased in maintenance immunotherapy extracts (3-70 ul). Group I allergen (1160-216,000ng/ml) was predominant one than group ll allergen (39-6,900ug/ml) and Derp I (67-11,600ug /ml) was included in all the extracts. These results suggest that biologic potency and major allergen content of the D. farinae extracts which we have used, varied according to the sources. Much efforts should be devoted to use standardized allergen extracts for effective diagnosis and treatment of allergy patients.
박해심,이미경,홍천수 대한천식알레르기학회 1989 천식 및 알레르기 Vol.9 No.1
Quercus spp. Pollens seem to be one of the main sources of spring allergens in the temperate zone of the northern hemisphere. We experienced a case of perennial bronchial asthma induced by Quercus spp. Pollen extracts. His total eosinophil count was 420/m and total IgE level by PRIST was 450. 23 IU/ml. Some of inhalant allergens including oak, alder, birch and two house dust mites presented significant response (more than 4+) on skin prick test and RAST. Skin prick test using Korean Quercus spp. And Alnus spp. Pollen extracts also showed strong positive response. Bronchoprovocation test with 1: 50 w/v Korean Quercus spp. And Korean Alnus spp. Pollen extracts led to dual asthmatic responses and that with Dermatophagoides pteronyssinus extracts (Yonsei) showed an isolated late asthmstic response. It was suggested that Quercus spp, pollen might be considered as one of spring allergenic pollens in respirstory allergy patients in this country.
고양이 항원에 의한 호흡기 알레르기 - 고양이 항원과 집먼지 추출액과의 관계
박해심,이미경,홍천수 대한천식알레르기학회 1989 천식 및 알레르기 Vol.9 No.1
To evaluate the relationship between cat allergen and commercial extracts of house dust(Torii Co. Japan), bronchoprovocation tests and cat RAST inhibition test with cat fur, house dust extracts and cat serum were performed in 2 cat sensitive asthma and 1 allergic rhinitis patients with bronchial hyperreactivity. After the inhalation of cat fur extracts, all of them showed significant bronchoconstriction (2 dual, 1 early response). Two asthmatic patients showed positive response (1 early, 1 late only) after the inhalation of house dust extracts, and one of them showed early bronchoconstriction after the inhalation of cat serum. RAST inhibition tests of cat epithelium(el) revealed that significant inhibitions (over 90%) were noted with cat fur extract in each patient. Variable inhibitions (18g- 648%) were noted with house dust extracts and no inhibition with addition of Dermatophagoides farinae and cst serum. It is suggested that commercial house dust extracts contain significant quantities of cat allergen and this point may be considered for the identification of allergic etiology in house dust-induced asthmatic patients.