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[Evaluation of the Magic Lite SQ specific IgE kit]
Y Onoue1, G Murakami, M Takano
1Department of Pediatrics, Toyama Medical and Pharmaceutical University.
The new IgE specific antibody assay kit (Magic Lite SQ) was evaluated by comparing its results with those obtained by the Phadebas RAST and the skin prick tests. Sera from allergic children were used in the tests. The correlation coefficients between the Magic Lite SQ and the Phadebas RAST were as follows: 0.87 for D.p., 0.89 for D.f., 0.87 for HD1, 0.55 for HD2, 0.76 for orchard grass, 0.93 for cat dander, 0.78 for Alternaria, 0.88 for egg white, 0.75 for egg york, 0.81 for milk, 0.75 for say bean, and 0.60 for shrimp. The concordance rate of the two methods was high, except on the case of HD2. The sensitivity and specificity of Magic Lite SQ to the skin prick test was high, except on the case of HD2 and orchard grass. Dilution tests using samples from D.f. positive patients showed a good linearity and excellent quantitativeness. When mite allergen was added to D.f. positive pool serum, mite specific IgE antibody yielded an excellent inhibition curve of up to a maximum of 96%. Since the Magic Lite SQ requires only a small sample of serum and can completed the test in a short time, it is a useful and specific IgE antibody assay kit.
The new IgE specific antibody assay kit (Magic Lite SQ) was evaluated by comparing its results with those obtained by the Phadebas RAST and the skin prick tests. Sera from allergic children were used in the tests. The correlation coefficients between the Magic Lite SQ and the Phadebas RAST were as follows: 0.87 for D.p., 0.89 for D.f., 0.87 for HD1, 0.55 for HD2, 0.76 for orchard grass, 0.93 for cat dander, 0.78 for Alternaria, 0.88 for egg white, 0.75 for egg york, 0.81 for milk, 0.75 for say bean, and 0.60 for shrimp. The concordance rate of the two methods was high, except on the case of HD2. The sensitivity and specificity of Magic Lite SQ to the skin prick test was high, except on the case of HD2 and orchard grass. Dilution tests using samples from D.f. positive patients showed a good linearity and excellent quantitativeness. When mite allergen was added to D.f. positive pool serum, mite specific IgE antibody yielded an excellent inhibition curve of up to a maximum of 96%. Since the Magic Lite SQ requires only a small sample of serum and can completed the test in a short time, it is a useful and specific IgE antibody assay kit.