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J Allergy Clin Immunol ; 81(5 Pt 1): 867-75, 1988 May.
Artículo en Inglés | MEDLINE | ID: mdl-3286721

RESUMEN

Evidence exists that the eosinophil plays an important role in mediating injury to bronchial epithelium in chronic asthma. Here, the role of the eosinophil in chronic inflammatory disease of the paranasal sinuses was studied with tissue from patients who underwent surgery for chronic sinusitis. Paranasal tissue from patients with chronic asthma and/or allergic rhinitis was extensively infiltrated with eosinophils. Immunofluorescent studies demonstrated a striking association between the presence of extracellular deposition of major basic protein and damage to sinus mucosa. The histopathology of paranasal respiratory epithelium appeared similar to that described in bronchial asthma. These findings suggest that the eosinophil acts as an effector cell in chronic inflammatory disease of paranasal respiratory epithelium. Thus, sinus disease in patients with asthma may be due to the same mechanisms that cause damage to bronchial epithelium.


Asunto(s)
Eosinófilos/fisiología , Ribonucleasas , Sinusitis/patología , Adolescente , Adulto , Anciano , Asma/complicaciones , Asma/metabolismo , Asma/patología , Proteínas Sanguíneas/metabolismo , Enfermedad Crónica , Proteínas en los Gránulos del Eosinófilo , Eosinófilos/metabolismo , Eosinófilos/patología , Epitelio/metabolismo , Epitelio/patología , Femenino , Técnica del Anticuerpo Fluorescente , Humanos , Masculino , Persona de Mediana Edad , Rinitis Alérgica Estacional/complicaciones , Rinitis Alérgica Estacional/metabolismo , Rinitis Alérgica Estacional/patología , Sinusitis/etiología , Sinusitis/metabolismo
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