Specific immunoglobulin E in patients with immediate persulfate hypersensitivity

Authors: Aalto-Korte K.1; Mäkinen-Kiljunen S.2

Source: Contact Dermatitis, Volume 49, Number 1, July 2003 , pp. 22-25(4)

Publisher: Blackwell Publishing

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Abstract:

Persulfate salts may cause contact urticaria, allergic and irritant contact dermatitis, rhinitis and asthma. The mechanism of the immediate reactions has been unclear. Positive prick test, skin application and nasal and bronchial provocations identify immediate allergy. There is only 1 previous report of specific binding of immunoglobulin E (IgE) to ammonium persulfate demonstrated by radioallergosorbent test (RAST). In the present study, fresh 2% ammonium and potassium persulfate solutions were used for prick testing. Patients with positive prick tests were further evaluated with open skin application, immunospot and RAST. Prick testing with persulfate salts was performed in a total of 138 patients. 7 patients had a positive reaction to at least 1 persulfate salt. 6 of the patients had had skin symptoms, urticaria, eczema or angioedema, because of contact with hair bleaches. Open application on healthy skin was performed in 4 patients, and 3 out of them had urticarial reactions. The sera of 5 patients were investigated with immunospot and RAST. On immunospot, specific binding of IgE to human serum albumin (HSA)-conjugated ammonium and potassium persulfate was found in 2 patients. 1 immunospot-positive patient also had a positive RAST to ammonium persulfate–HSA conjugate. The mechanism of immediate hypersensitivity to persulfates thus seems to be IgE-mediated at least in some patients.

Keywords: contact urticaria; immunospot; persulfates; RAST; specific IgE

Document Type: Research article

DOI: 10.1111/j.0105-1873.2003.00134.x

Affiliations: 1: Division of Dermatology and Venereology, and 2: Division of Allergology, Helsinki University Central Hospital, Skin and Allergy Hospital, Helsinki, Finland

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