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Galactose-α-1,3-Gal...
Galactose-α-1,3-Galactose Allergy Is Not a Hitherto Unrecognized Cause of Chronic Spontaneous Urticaria
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Maurer, M (författare)
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Church, MK (författare)
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Metz, M (författare)
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Starkhammar, M (författare)
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- Hamsten, C (författare)
- Karolinska Institutet
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- van Hage, M (författare)
- Karolinska Institutet
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(creator_code:org_t)
- 2015-10-02
- 2015
- Engelska.
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Ingår i: International archives of allergy and immunology. - : S. Karger AG. - 1423-0097 .- 1018-2438. ; 167:4, s. 250-252
- Relaterad länk:
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http://kipublication...
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https://doi.org/10.1...
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Abstract
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- <b><i>Background:</i></b> Tick bite-induced galactose-α-1,3-galactose (α-Gal) IgE and subsequent ingestion of red meat may cause delayed severe allergic reactions including urticaria, gastrointestinal symptoms or anaphylaxis. We tested the hypothesis that increased levels of IgE to α-Gal due to tick bites and the subsequent ingestion of red meat or meat products may possibly be an un(der)recognized cause of chronic spontaneous urticaria (CSU). <b><i>Methods:</i></b> Levels of IgE to α-Gal and total IgE were measured (ImmunoCAP, Phadia AB/Thermo Fisher Scientific) in 83 patients (61 female and 22 male, median age 43 years, range 18-82) from the Department of Dermatology and Allergy, Charité - Universitätsmedizin, Berlin, Germany. All had been clinically diagnosed with moderate-to-severe CSU of a median duration of 2.9 years (range 0.1-50). <b><i>Results:</i></b> Eighty of the 83 patients (96%) had undetectable (<0.1 kU<sub>A</sub>/l) serum levels of IgE against α-Gal. The levels in the remaining 3 were all low (0.25, 0.4 and 3.1 kU<sub>A</sub>/l). In no patient, including those with measurable serum levels of IgE against α-Gal, was eating red meat associated with the development of symptoms of urticaria. <b><i>Conclusion:</i></b> Our results indicate that an allergic response to α-Gal is highly unlikely to be a hitherto unrecognized common cause of CSU.
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