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Table of Contents
Vol. 3, No. 6, 2011
Issue release date: October 2011
Section title: Research Article
J Innate Immun 2011;3:594–604

Distinctive Blood Eosinophilic Phenotypes and Cytokine Patterns in Eosinophilic Esophagitis, Inflammatory Bowel Disease and Airway Allergy

Johnsson M.a · Bove M.d · Bergquist H.b · Olsson M.e · Fornwall S.f · Hassel K.f · Wold A.E.a · Wennerås C.a, c
Departments of aClinical Bacteriology, bENT, Head and Neck Surgery, and cHematology and Coagulation, Sahlgrenska University Hospital, Göteborg, Departments of dENT, Head and Neck Surgery, and eInternal Medicine, NÄL Hospital, Trollhättan, and fNorrmalm Primary Health Care Center, Skövde, Sweden
email Corresponding Author

Dr. Christine Wennerås

Department of Clinical Bacteriology

Sahlgrenska University Hospital

Box 7193, SE–402 34 Göteborg (Sweden)

Tel. +46 31 342 4784, E-Mail christine.wenneras@microbio.gu.se

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Blood eosinophil numbers may be elevated in allergy, inflammatory bowel disease and eosinophilic esophagitis. The aim of this study was to examine whether circulating eosinophils display distinct phenotypes in these disorders and if different patterns of eosinophilic chemoattractants exist. Blood eosinophils from patients with symptomatic eosinophilic esophagitis (EoE; n = 12), ulcerative colitis (n = 8), airway allergy (n = 10) and healthy controls (n = 10) were enumerated and their surface markers analyzed by flow cytometry. Plasma levels of pro-eosinophilic cytokines were quantified in parallel. Data were processed by multivariate pattern recognition methods to reveal disease-specific patterns of eosinophil phenotypes and cytokines. EoE patients had higher numbers of eosinophils with enhanced expression of CD23, CD54, CRTH2 and CD11c and diminished CCR3 and CD44 expression. Plasma CCL5 was also increased in EoE. Although allergic patients had increased interleukin (IL)-2, IL-3, IL-5 and granulocyte macrophage colony-stimulating factor plasma concentrations, their blood eosinophil phenotypes were indistinguishable from those of healthy controls. Decreased eosinophilic expression of CD11b, CD18, CD44 and CCR3, but no distinctive pattern of eosinophil chemoattractants, characterized ulcerative colitis. We propose that eosinophils acquire varying functional properties as a consequence of distinct patterns of activation signals released from the inflamed tissues in different diseases.

© 2011 S. Karger AG, Basel

Article / Publication Details

First-Page Preview
Abstract of Research Article

Received: April 05, 2011
Accepted: August 02, 2011
Published online: September 13, 2011
Issue release date: October 2011

Number of Print Pages: 11
Number of Figures: 4
Number of Tables: 3

ISSN: 1662-811X (Print)
eISSN: 1662-8128 (Online)

For additional information: http://www.karger.com/JIN

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