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Mechanisms underlying eosinophil trafficking and their relevance in vivo

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Mechanisms underlying eosinophil trafficking and their relevance in vivo.pdf(15.36 MB)
Date
2000
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Authors
Cara, D. C. ; Negrao-Correa, D. ; Teixeira, M. M.
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Publisher
F. Hernández y Juan F. Madrid. Universidad de Murcia: Departamento de Biología Celular e Histología
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DOI
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info:eu-repo/semantics/article
Description
Abstract
After their formation in the bone marrow, eosinophils circulate with a short half-life and are distributed throughout the body, especially in mucosal and sub-mucosal regions. Although a small amount of these cells are normally seen in healthy tissue, blood and tissue eosinophilia is a hallmark of helminthic and allergic diseases. The role of eosinophils in the normal physiology of mucosal tissues is not understood, but there is good evidence to demonstrate that these cells protect the host at least against some intestinal helminths, specially those with a lung cycle. In addition, there are now many data that support a role for eosinophils in the pathophysiology of allergic diseases, such as asthma. Because helminthic diseases have been largely controlled in developed countries, there has been much interest in the development of drugs which affect eosinophil migration and/or activation in the tissue and which may, thus, be useful in the treatment of allergic conditions. The understanding of the mechanisms controlling eosinophil trafficking and/or activation are essential in the development of anti-eosinophil-based therapeutic strategies. The present paper reviews aspects of eosinophil biology with emphasis on the role of eosinophils in parasitic infections and allergy, the basic mechanisms underlying the trafficking of eosinophils into tissue and how these can be modulated pharmacologically.
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Eosinophil , Allergy , Helminths , Trafficking , Interleukin-5 , Cell adhesion molecules
Citation
Histology and Histopathology, Vol. 15, n.º 3 (2000)
URI
http://hdl.handle.net/10201/95172
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Histology and histopathology Vol.15, nº 3 (2000)
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