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Comparison of the ImmunoCAP Assay and AdvanSure™ AlloScreen Advanced Multiplex Specific IgE Detection Assay.

 Kyung Hee Park  ;  Jongsun Lee  ;  Sang Chul Lee  ;  Young Woong Son  ;  Da Woon Sim  ;  Jae-Hyun Lee  ;  Jung-Won Park 
 Yonsei Medical Journal, Vol.58(4) : 786-792, 2017 
Journal Title
 Yonsei Medical Journal 
Issue Date
Adult ; Allergens/immunology ; Animals ; Demography ; Female ; Humans ; Immunoassay/methods* ; Immunoglobulin E/blood* ; Male ; Sensitivity and Specificity
Allergens ; immunoassay ; immunoglobulin E
PURPOSE: The AdvanSure™ AlloScreen assay is an advanced multiplex test that allows for simultaneous detection of specific IgE (sIgE) against multiple allergens. For precise identification of causative allergens in allergic patients, we compared this new multiplex sIgE assay with the ImmunoCAP assay, which is currently the gold-standard method for sIgE detection. MATERIALS AND METHODS: Serum samples from 218 Korean allergic disease patients were used to compare the ImmunoCAP and AlloScreen assays with respect to the following 13 allergens: Dermatophagoides pteronyssinus, Dermatophagoides farinae, cat and dog dander, Alternaria, birch, oak, ragweed, mugwort, rye grass, and food allergens (egg white, cow's milk, peanuts). RESULTS: A total of 957 paired tests using the 13 allergens were compared. The total agreement ratio ranged from 0.74 (oak) to 0.97 (Alternaria). With respect to class association analyses, the gamma index ranged from 0.819 (rye grass) to 0.990 (Alternaria). The intra-class correlation coefficients for house dust mites, cat and dog dander, Alternaria, birch, ragweed, egg white, cow's milk, and peanut sIgE titers were >0.8. CONCLUSION: The AlloScreen and ImmunoCAP assays exhibited similar diagnostic performance. However, due to methodological differences between the two systems, careful interpretation of their results is needed in clinical applications.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Park, Kyung Hee(박경희) ORCID logo https://orcid.org/0000-0003-3605-5364
Park, Jung Won(박중원) ORCID logo https://orcid.org/0000-0003-0249-8749
Son, Young Woong(손영웅)
Sim, Da Woon(심다운)
Lee, Sang Chul(이상철)
Lee, Jae Hyun(이재현) ORCID logo https://orcid.org/0000-0002-0760-0071
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