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  • Title: Total and antigen- (fungi, mites and staphylococcal enterotoxins) specific IgEs in nasal polyps is related to local eosinophilic inflammation.
    Author: Matsuwaki Y, Uno K, Okushi T, Otori N, Moriyama H.
    Journal: Int Arch Allergy Immunol; 2013; 161 Suppl 2():147-53. PubMed ID: 23711866.
    Abstract:
    BACKGROUND: Total and specific immunoglobulin E (IgE) in nasal polyps (NP) is related to local eosinophilic inflammation. However, it remains unclear which antigens cause a stronger accumulation of eosinophils in NP. We investigated whether local IgEs to specific antigens correlated with local eosinophil accumulation. METHODS: Total IgE, antigen-specific IgEs [5 species of fungi, staphylococcal enterotoxins A and B (SEA and SEB), cedar pollen, ragweed pollen and house-dust mites] and eosinophil cationic protein (ECP) were measured in sinus mucosa homogenates and serum from 29 patients with chronic rhinosinusitis with NP (CRSwNP), 8 patients with allergic fungal rhinosinusitis (AFRS) and 8 control subjects without CRS. The level of ECP in NP was analyzed for correlations with the total and specific IgE levels in the serum and NP. RESULTS: In CRSwNP, antigen-specific IgEs [Alternaria > mite (Dp) > Aspergillus > SEB > Penicillium > mite (Df), but not the other fungi, SEA or pollens] in the sinus mucosa correlated significantly with the local ECP. In AFRS, antigen-specific IgEs [Penicillium > mite (Df) > Alternaria, but not the other fungi, SEs or pollens] in the sinus mucosa correlated significantly with the local ECP. CONCLUSIONS: Local total IgE and antigen (fungi, mites and SEs)-specific IgEs in NP are related to the local eosinophilic inflammation of AFRS and CRSwNP.
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