Abstract:
:The mammalian defense system can respond to a variety of threats, but this capability is not just a simple alarm system for triggering antigen-presenting cells and initiating cellular immunity. Instead, the body is an integrated system in which nearly every cell type can relay the alarm through the production of chemokines, which recruit specific inflammatory cells to the target tissues. This chemokine production is carefully regulated at several levels so that the kinetics and character of local tissue inflammation is tailored to the specific threat. First, the production of nuclear factor-kappa B-regulated chemokines can be modulated in non-bone marrow-derived cells through transcriptional repression mediated by RelB. RelB is also implicated in the differentiation of lymphoid dendritic cells, suggesting that this gene regulates the transition from acute inflammation to adaptive immunity. Second, tissue parenchymal cells, in their capacity as sentinel cells, are able to produce different patterns of chemokines in response to different alarm stimuli. Third, cells from different tissues also show distinct potentials for chemokine responses so that the non-specific damage from inflammation might be avoided in some cases. Finally, the differentiation of T-cell effectors allows for further regulation of local inflammation as their cytokines can also affect chemokine production. This integration of innate and adaptive immunity allows for both rapid responses and dynamic regulation of inflammation in vivo.
journal_name
Immunol Revjournal_title
Immunological reviewsauthors
Lo D,Feng L,Li L,Carson MJ,Crowley M,Pauza M,Nguyen A,Reilly CRdoi
10.1111/j.1600-065x.1999.tb01318.xkeywords:
subject
Has Abstractpub_date
1999-06-01 00:00:00pages
225-39eissn
0105-2896issn
1600-065Xjournal_volume
169pub_type
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journal_title:Immunological reviews
pub_type: 杂志文章,评审
doi:10.1111/j.1600-065x.1998.tb01238.x
更新日期:1998-10-01 00:00:00
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更新日期:1998-10-01 00:00:00
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