2008
DOI: 10.2500/ajr.2008.22.3227
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Antigen-specific IgE in Sinus Mucosa of Allergic Fungal Rhinosinusitis Patients

Abstract: AFRS patients showed significantly more IgE in sinus mucosa tissue specimens, with increased IgE in subepithelial sites when compared with epithelium. The increased expression of antigen-specific IgE is not limited to fungal antigens. These findings support the role of type I hypersensitivity and local manifestations of allergy in AFRS patients.

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Cited by 54 publications
(36 citation statements)
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“…Although the role of local IgE production plays against SEs and mites in the pathogenesis of CRSwNP has been described [7,8,9,10], our findings indicate that fungi are also important allergens that cause eosinophilic inflammation, not only in AFRS but also in CRSwNP. Fungi are environmentally ubiquitous and, except when invasive, are generally not looked upon as being harmful/pathological.…”
Section: Discussionmentioning
confidence: 71%
See 1 more Smart Citation
“…Although the role of local IgE production plays against SEs and mites in the pathogenesis of CRSwNP has been described [7,8,9,10], our findings indicate that fungi are also important allergens that cause eosinophilic inflammation, not only in AFRS but also in CRSwNP. Fungi are environmentally ubiquitous and, except when invasive, are generally not looked upon as being harmful/pathological.…”
Section: Discussionmentioning
confidence: 71%
“…AFRS is a representative systemic IgE/IgG-mediated disease, which is a specific allergy for fungi [6]. Local IgE-positive cells in AFRS are increased [9]. Not only antifungal, also antinonfungal IgE, was expressed in sinus tissues of AFRS, compared to the control [10].…”
Section: Introductionmentioning
confidence: 99%
“…There is increasing evidence that local mucosal IgE production is more important in the pathogenesis of fungal sinus inflammation than systemic allergy, which could not be assessed in the current study. [13][14][15] Furthermore, the induced fungal sensitivity in this study is clearly an oversimplification of the immune mechanisms underlying hypersensitivity to fungus, which may be multifactorial, with potential genetic predisposition. These limitations prevent further speculation on the role of fungal allergy in sinonasal fungal biofilm formation with this model.…”
Section: Discussionmentioning
confidence: 96%
“…1086 Various studies demonstrate elevation of fungal and nonfungal IgE within AFRS mucosa, and local IgE correlates with sinonasal eosinophilia. 917,1079,1080,1093,1099,1100 Most AFRS patients also have detectable fungal-specific IgE in their mucin. 1077 AFRS is a distinct, often more severe, subclass of CRSwNP.…”
Section: Viiig Crswnp and Afrs: Differences In Pathophysiologymentioning
confidence: 99%