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Allergen Specific IgE Measurement with Polycheck Allergy: Comparison of Three Multiple Allergen Simultaneous Tests

Polycheck Allergy를 이용한 알레르겐 특이 IgE 측정: 세 가지 다중 알레르겐 항원 검사법의 비교

Jang, Woo-Ri;Nahm, Chung-Hyun;Kim, Jung-Hee;Lim, Dae-Hyun;Jang, Tae-Young;Moon, Yeon-Sook;Kim, Jin-Ju
장우리;남정현;김정희;임대현;장태영;문연숙;김진주

  • Published : 20091000

Abstract

Background : The in vivo skin prick test (SPT) or in vitro detection of allergen specific IgE in serum is commonly used for the diagnosis of allergic disease. In this study, we evaluated the usefulness of a new multiple allergen simultaneous test (MAST) immunoblot assay, Polycheck Allergy (Biocheck GmbH, Germany). Methods : A total of 100 patients with clinical findings of allergic diseases were tested by SPT and three different MAST assays: Polycheck Allergy (Biocheck GmbH, Germany), MAST CLA allergy system (Hitachi Chemical Diagnostics, USA) and Allergy Screen (R-biopharm, Germany). The results of MAST assays were compared with those of SPT. Results : Concordance rates of MAST assays with SPT were 79-100% for Polycheck Allergy, 88.9-100% for MAST CLA and 72.7-98.3% for Allergy Screen. In ROC curve analysis, significant differences were observed in four of 25 allergens analysed: Alternaria, Birch, Hazelnut and D. farinae. For Alternaria and Birch, Polycheck Allergy (P<0.001) and Allergy Screen (P=0.0075) showed significantly larger AUC (area under the curve) than MAST CLA. For Hazelnut, Polycheck Allergy (P=0.0021), and for D. farinae, MAST CLA (P=0.015) showed significantly larger AUCs than the other two tests. The ROC analysis for overall 16 food allergens showed better results in Polycheck Allergy (P<0.001), and that for overall 21 inhalants did not show significant differences among three MAST assays (P>0.05). Conclusions : Since Polycheck Allergy showed similar or superior result to the others, it can be used for the detection of allergen specific IgE antibodies.

배경 : 피부단자시험 또는 혈청 알레르겐 특이 IgE를 확인하는 검사가 알레르기 질환의 진단에 흔히 사용된다. 저자들은 최근 국내에 소개된 다중 알레르기항원 검사 immunoblot 검사법의 일종인 Polycheck Allergy (Biocheck GmbH, Mu_nster, Germany)의 유용성에 대해 알아보고자 하였다. 방법 : 임상적으로 알레르기 증상을 보이는 100명의 환자를 대상으로 피부단자시험과 Polycheck Allergy (Biocheck GmbH, Germany), MAST CLA allergy system (Hitachi Chemical Diagnostics, Inc., USA), Allergy Screen (R-biopharm, Germany) 을 시행한 후 검사 결과를 피부단자시험 결과와 비교하였다. 결과 : Polycheck Allergy, MAST CLA 그리고 Allergy Screen의 피부단자시험과의 일치율은 각각 79-100%, 88.9-100%, 72.7-98.3%의 분포를 보였다. 각각의 알레르겐에 대한 ROC 분석 결과 네 가지에서만 유의한 차이를 보였다. Alternaria와Birch에서는 Polycheck Allergy와 Allergy Screen의 곡선하 면적이 MAST CLA보다 유의하게 컸고(각각 P<0.001, P=0.0075) Hazelnut은 Polycheck Allergy에서(P=0.0021), 그리고 D. farinae는 MAST CLA에서(P=0.015) 곡선하 면적이 다른 두 시약보다 컸다. 음식형 알레르겐 16종의 통합적인 ROC 분석에서는 Polycheck Allergy가 가장 좋은 성적을 보였고(P<0.001), 21종의 흡입형 알레르겐에서는 세 검사 간에 유의한 차이가 없었다(P>0.05). 결론 : Polycheck Allergy는 기존의 MAST CLA 및 Allergy Screen과 비슷하거나 우수한 성적을 보여 혈청 알레르겐 특이 IgE 검출에 효율적으로 사용할 수 있을 것으로 기대되었다.

Keywords

References

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