Journal
IMMUNOLOGY LETTERS
Volume 92, Issue 1-2, Pages 135-142Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.imlet.2003.11.023
Keywords
granuloma; T cell; chronic inflammation
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Funding
- NIAID NIH HHS [R01 AI/HL46430, R21 AI054893, R01 AI48087] Funding Source: Medline
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Granulomatous inflammation is a form of delayed type hypersensitivity reaction that is involved in protection against chronic infections. Granulomatous inflammation can also occur without any clear inciting stimulus such as in sarcoidosis. An in depth knowledge of granuloma formation is essential to our understanding of protection against chronic infection as well as the dysregulation which occurs in granulomatous diseases of unknown origin. Granuloma formation is a complex and dynamic process involving the recruitment and coordination of diverse cell types. This review is focused on the important roles that T cells play in initiating and building the granuloma as well as in mediating effector functions and eventually resolving granulomatous inflammation. CD4(+) T cells emerge as the central mediators of this process, with T cells from other subsets also participating in the later phases of granuloma formation. (C) 2004 Elsevier B.V. All rights reserved.
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