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Dissecting the role of eosinophil cationic protein in upper airway disease
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Respiratory Medicine and Allergology.
2012 (English)In: Current Opinion in Allergy and Clinical Immunology, ISSN 1528-4050, E-ISSN 1473-6322, Vol. 12, no 1, 18-23 p.Article, review/survey (Refereed) Published
Abstract [en]

Purpose of review Eosinophil granulocyte myeloid cells are increased in atopic and nonatopic rhinitis, chronic rhinosinusitis (CRS) and atopic keratoconjunctivitis, diseases of the upper respiratory tract. Eosinophils contain several basic granule proteins, the best known being the eosinophil cationic protein (ECP). ECP is a cytotoxic, profibrotic ribonuclease, which is found deposited in these eosinophil-related diseases and is often used in parallel with blood eosinophilia to monitor those diseases. The contribution of eosinophils and their granule proteins to disease pathogenesis have been debated; recent findings might bring these cells to the center of attention. Recent findings Novel mediators of atopic disease, interleukin-17 (IL-17) and IL-33 have been found in the upper respiratory tract. These cytokines stimulate eosinophils to survival and degranulation, IL-17 via granulocyte-macrophage colony-stimulating factor (GM-CSF), and IL-33 directly. Transforming growth factor (TGF)-beta has been found in CRS and atopic keratoconjunctivitis mucosa, its production possibly stimulated by ECP. ECP is detected in nasal mucosa of local allergic reactions, entopy, in rhinitis and CRS. ECP might be released from freely circulating eosinophil granules or in association with eosinophil mitochondrial DNA, both means of release for pathogen defence. Summary Novel evidence suggests that eosinophils and ECP might have new prominent roles in development of diseases of the upper respiratory tract.

Place, publisher, year, edition, pages
2012. Vol. 12, no 1, 18-23 p.
Keyword [en]
eosinophil cationic protein, entopy, IL-17, IL-33, mepolizumab
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-168516DOI: 10.1097/ACI.0b013e32834eccafISI: 000299110000004OAI: oai:DiVA.org:uu-168516DiVA: diva2:499935
Available from: 2012-02-13 Created: 2012-02-13 Last updated: 2012-02-13Bibliographically approved

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