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Generation of clusters of free eosinophil granules (Cfegs) in seasonal allergic rhinitis

In English

Författare

Summary, in English

Generation of clusters of free eosinophil granules (Cfegs), through lysis of eosinophils, has recently been proposed as a major paradigm for ultimate activation of airway mucosal eosinophils. In the present study involving patients with seasonal allergic rhinitis, we have investigated whether generation of Cfegs in the nasal mucosa is a feature of allergic rhinitis. Nasal mucosal biopsies were obtained before and late in a birch-pollen season, and were subjected to histochemical staining of eosinophil peroxidase. In biopsies obtained before the pollen season, a few, intact eosinophils were observed, and Cfegs were scarce. In biopsies taken during the pollen season, the numbers of eosinophils were increased about 10-fold (P < 0.05) and the Cfegs about 25-fold (P < 0.05). We conclude that generation of Cfegs is a significant feature of seasonal allergic rhinitis and that this process represents the ultimate activation of mucosal eosinophils in this disease.

Publiceringsår

1998

Språk

Engelska

Sidor

200-203

Publikation/Tidskrift/Serie

Allergy

Volym

53

Issue

2

Dokumenttyp

Artikel i tidskrift

Förlag

Wiley-Blackwell

Ämne

  • Respiratory Medicine and Allergy

Status

Published

Forskningsgrupp

  • Airway Inflammation and Immunology

ISBN/ISSN/Övrigt

  • ISSN: 1398-9995