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. 1985 Aug;40(6):389-94.
doi: 10.1111/j.1398-9995.1985.tb02676.x.

Activity of allergenic proteins from Dermatophagoides pteronyssinus. Comparison of crossed radioimmunoelectrophoresis (CRIE) and histamine release from washed leukocytes

U Wahn, B Müller-Krampe, P Lind

Activity of allergenic proteins from Dermatophagoides pteronyssinus. Comparison of crossed radioimmunoelectrophoresis (CRIE) and histamine release from washed leukocytes

U Wahn et al. Allergy. 1985 Aug.

Abstract

Two purified allergens from Dermatophagoides pteronyssinus, Dp 42 (identical to P1) and Dp X were studied for their ability to induce histamine release from washed leukocytes and to bind to IgE antibodies from the serum of 27 mite-sensitive children. Almost all patients were demonstrated to be sensitive to both proteins by both assays. Dp 42 was found to have the highest allergenic activity, releasing histamine from leukocytes at a median concentration 10 times lower than for Dp X. There was a positive correlation between basophil sensitivity to both proteins and allergen specific serum IgE concentrations.

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