Local production of antigen-specific IgE in different anatomic subsites of allergic fungal rhinosinusitis patients. 2009

Chadwick N Ahn, and Sarah K Wise, and Deanne M R Lathers, and Ryan M Mulligan, and Richard J Harvey, and Rodney J Schlosser
Department of Otolaryngology-Head and Neck Surgery, Medical University of South Carolina, Charleston, SC 29425, USA. ahn@musc.edu

OBJECTIVE Local production of antigen-specific IgE in allergic fungal rhinosinusitis (AFRS) is likely integral to the expression of allergy. This study examines if there are anatomic variations in local IgE expression or if variations among fungal and nonfungal IgE exist. METHODS Cross-sectional study. METHODS Tertiary medical center. METHODS Specimens from 11 AFRS, 8 chronic rhinosinusitis without nasal polyps (CRSsNP), and 9 control patients underwent immunohistochemical localization for IgE and evaluation for antigen-specific IgE by ImmunoCAP testing. RESULTS Inferior turbinate (IT) epithelium had greater IgE staining in AFRS than control (P=0.013) and CRSsNP (P=0.002). A significant difference was also found at the IT subepithelial level for AFRS compared with controls (P=0.001) and CRSsNP (P<0.001). Within AFRS, IgE staining was increased in the subepithelium compared to epithelium (P=0.003). ImmunoCAP analysis on IT tissue from AFRS and controls demonstrated increased antigen-specific IgE for 5 of 14 antigens (P<0.05) and total IgE (P<0.001). There were no significant anatomic differences between IT and sinus IgE staining. CONCLUSIONS More fungal and nonfungal IgE is expressed in IT and sinus tissues of AFRS patients, as compared with control and CRSsNP patients.

UI MeSH Term Description Entries
D007073 Immunoglobulin E An immunoglobulin associated with MAST CELLS. Overexpression has been associated with allergic hypersensitivity (HYPERSENSITIVITY, IMMEDIATE). IgE
D008297 Male Males
D009181 Mycoses Diseases caused by FUNGI. Fungus Diseases,Fungal Diseases,Fungal Infections,Fungus Infections,Disease, Fungal,Disease, Fungus,Diseases, Fungal,Diseases, Fungus,Fungal Disease,Fungal Infection,Fungus Disease,Fungus Infection,Infection, Fungal,Infection, Fungus,Infections, Fungal,Infections, Fungus
D009296 Nasal Cavity The proximal portion of the respiratory passages on either side of the NASAL SEPTUM. Nasal cavities, extending from the nares to the NASOPHARYNX, are lined with ciliated NASAL MUCOSA. Nasal Cavities,Cavities, Nasal,Cavity, Nasal
D003430 Cross-Sectional Studies Studies in which the presence or absence of disease or other health-related variables are determined in each member of the study population or in a representative sample at one particular time. This contrasts with LONGITUDINAL STUDIES which are followed over a period of time. Disease Frequency Surveys,Prevalence Studies,Analysis, Cross-Sectional,Cross Sectional Analysis,Cross-Sectional Survey,Surveys, Disease Frequency,Analyses, Cross Sectional,Analyses, Cross-Sectional,Analysis, Cross Sectional,Cross Sectional Analyses,Cross Sectional Studies,Cross Sectional Survey,Cross-Sectional Analyses,Cross-Sectional Analysis,Cross-Sectional Study,Cross-Sectional Surveys,Disease Frequency Survey,Prevalence Study,Studies, Cross-Sectional,Studies, Prevalence,Study, Cross-Sectional,Study, Prevalence,Survey, Cross-Sectional,Survey, Disease Frequency,Surveys, Cross-Sectional
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012221 Rhinitis, Allergic, Perennial Inflammation of the mucous membrane of the nose similar to that found in hay fever except that symptoms persist throughout the year. The causes are usually air-borne allergens, particularly dusts, feathers, molds, animal fur, etc. Rhinitis, Allergic, Nonseasonal
D012852 Sinusitis Inflammation of the NASAL MUCOSA in one or more of the PARANASAL SINUSES. Sinus Infections,Infection, Sinus,Infections, Sinus,Sinus Infection,Sinusitides
D016022 Case-Control Studies Comparisons that start with the identification of persons with the disease or outcome of interest and a control (comparison, referent) group without the disease or outcome of interest. The relationship of an attribute is examined by comparing both groups with regard to the frequency or levels of outcome over time. Case-Base Studies,Case-Comparison Studies,Case-Referent Studies,Matched Case-Control Studies,Nested Case-Control Studies,Case Control Studies,Case-Compeer Studies,Case-Referrent Studies,Case Base Studies,Case Comparison Studies,Case Control Study,Case Referent Studies,Case Referrent Studies,Case-Comparison Study,Case-Control Studies, Matched,Case-Control Studies, Nested,Case-Control Study,Case-Control Study, Matched,Case-Control Study, Nested,Case-Referent Study,Case-Referrent Study,Matched Case Control Studies,Matched Case-Control Study,Nested Case Control Studies,Nested Case-Control Study,Studies, Case Control,Studies, Case-Base,Studies, Case-Comparison,Studies, Case-Compeer,Studies, Case-Control,Studies, Case-Referent,Studies, Case-Referrent,Studies, Matched Case-Control,Studies, Nested Case-Control,Study, Case Control,Study, Case-Comparison,Study, Case-Control,Study, Case-Referent,Study, Case-Referrent,Study, Matched Case-Control,Study, Nested Case-Control

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