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Arch Immunol Ther Exp (Warsz). 2010 Dec;58(6):459-65. doi: 10.1007/s00005-010-0104-z. Epub 2010 Sep 28.

Validation of basophil CD164 upregulation for pollen allergy diagnosis.

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1
Department of Internal Diseases, Geriatrics and Allergology, Medical University of Wroclaw, Traugutta 57, 50-417 Wroclaw, Poland.

Abstract

The aim of the study was to evaluate the sensitivity and specificity of allergen-induced basophil CD164 upregulation in patients with seasonal allergic rhinitis caused by allergy to grass pollens. This study was performed in 24 patients with allergy to grass pollens, and in 25 healthy controls. The protocol for allergen-induced basophil CD164 upregulation consisted of whole blood samples processing and staining with anti-CCR3/anti-CD164 antibodies added to a buffer at the beginning of stimulation. We observed dose-dependent allergen-induced basophil CD164 upregulation with 100% of specificity in both used allergen concentrations (12 and 1.2 ng/ml). Higher allergen concentration resulted in 100% and lower concentration in only 70.83% sensitivity. We have observed in the patients statistically significant correlations between anti-IgE stimulation and both allergen concentrations (for 12 ng/ml, r = 0.71, p < 0.0001; and for 1.2 ng/ml, r = 0.64, p < 0.001). We conclude that assessment of allergen-induced basophil CD164 upregulation is a very useful method for in vitro determination of allergy to grass pollens. This method seems to be a very promising tool in laboratory testing of allergies to other allergens.

PMID:
20872290
DOI:
10.1007/s00005-010-0104-z
[Indexed for MEDLINE]
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