Alternative activation of macrophages: immune function and cellular biology.

Macrophages are the first line of defense of the organism against pathogens and, in response to the microenvironment, become differentially activated. In the presence of IL-4 and IL-13, cytokines that are produced in a Th-2 type response, particularly during allergy and parasitic infections, macroph...

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Main Authors: Varin, A, Gordon, S
Format: Journal article
Language:English
Published: 2009
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author Varin, A
Gordon, S
author_facet Varin, A
Gordon, S
author_sort Varin, A
collection OXFORD
description Macrophages are the first line of defense of the organism against pathogens and, in response to the microenvironment, become differentially activated. In the presence of IL-4 and IL-13, cytokines that are produced in a Th-2 type response, particularly during allergy and parasitic infections, macrophages become differentially activated. Alternative activated macrophages play an important role in the protection of the host by decreasing inflammation and promoting tissues repair. However, alternative activation of macrophages also downregulates host protection against selected pathogens. This defect is associated with an altered receptor expression pattern and extensive modulation of intracellular membrane trafficking. This review shows how alternative activation of macrophages induces extensive cellular remodelling of phagocytic, endocytic, signaling and secretory pathways which play an important, but unclear role in the pathogenesis of different disease.
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spelling oxford-uuid:39b0680f-6cf9-423f-a470-5b9fd13f7fa82022-03-26T13:57:02ZAlternative activation of macrophages: immune function and cellular biology.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:39b0680f-6cf9-423f-a470-5b9fd13f7fa8EnglishSymplectic Elements at Oxford2009Varin, AGordon, SMacrophages are the first line of defense of the organism against pathogens and, in response to the microenvironment, become differentially activated. In the presence of IL-4 and IL-13, cytokines that are produced in a Th-2 type response, particularly during allergy and parasitic infections, macrophages become differentially activated. Alternative activated macrophages play an important role in the protection of the host by decreasing inflammation and promoting tissues repair. However, alternative activation of macrophages also downregulates host protection against selected pathogens. This defect is associated with an altered receptor expression pattern and extensive modulation of intracellular membrane trafficking. This review shows how alternative activation of macrophages induces extensive cellular remodelling of phagocytic, endocytic, signaling and secretory pathways which play an important, but unclear role in the pathogenesis of different disease.
spellingShingle Varin, A
Gordon, S
Alternative activation of macrophages: immune function and cellular biology.
title Alternative activation of macrophages: immune function and cellular biology.
title_full Alternative activation of macrophages: immune function and cellular biology.
title_fullStr Alternative activation of macrophages: immune function and cellular biology.
title_full_unstemmed Alternative activation of macrophages: immune function and cellular biology.
title_short Alternative activation of macrophages: immune function and cellular biology.
title_sort alternative activation of macrophages immune function and cellular biology
work_keys_str_mv AT varina alternativeactivationofmacrophagesimmunefunctionandcellularbiology
AT gordons alternativeactivationofmacrophagesimmunefunctionandcellularbiology