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![]() [Cover Caption] Other Issues: |
Contents:
Volume 86, Issue 2; April, 2006.
[Index by Author] [Editorial Board]
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= article is free immediately upon publication
(all articles are free one year after publication)
Cover: Pathogenic and regulatory immunity in atherosclerosis. Lymphoid organs (green on the left) are specialized in antigen presentation and may be the major site of pathogenic (Th1 and/or Th2) or regulatory T-cell (Treg) priming in atherosclerosis. Antigen presentation may also occur within the atherosclerotic plaque (yellow on the right), which is rich in antigen presenting cells (APC: macrophages and dendritic cells). Continuous trafficking of immune cells between the inflamed atherosclerotic artery and the lymphoid organs may be necessary to mount an adaptive immune response. Distinct APC, mature or tolerogenic, elicit pathogenic or Treg cells, respectively. CD28 engagement and IL-2 production by pathogenic T cells are required for Treg survival and maintenance in the periphery. Treg suppress the pathogenic response through IL-10, TGF-β, and/or cell-cell contact-dependent mechanisms. See Tedgui, Alain, and Ziad Mallat. Physiol Rev 86:515-581, 2006.
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