Monocyte Dependent Regulation of Autoimmune Inflammation

LB Nicholson, BJE Raveney, M Munder

Research output: Contribution to journalArticle (Academic Journal)peer-review

51 Citations (Scopus)


In chronic inflammation, across a number of quite different pathological conditions, monocytes accumulate. In autoimmune disease, these cells are widely recognised to play an inflammatory and tissue destructive role. But these cells also inhibit T cell proliferation by a range of different mechanisms that are accompanied by the depletion of specific amino acids in the local microenvironment and the downregulation of the T cell receptor ζ chain. This occurs within the pro-inflammatory environment and in the presence of Th1 (IFNγ) and Th17 (IL-17) cytokines. In tumours, related cells are part of a population called myeloid-derived suppressor cells (MDSC) and they are associated with immunosuppression. Their depletion can lead to clinical improvement. In organ specific autoimmune disease, where such cells can be found in the spleen and in target organs, recent evidence indicates that they may play a role in limiting the T cell response to autoantigens in the target tissue. This occurs by a targeted disruption of T cell division. In this review we discuss evidence for the presence on MDSC in murine and human autoimmune disease and the mechanisms by which such cells inhibit T cell proliferation.
Translated title of the contributionMonocyte Dependent Regulation of Autoimmune Inflammation
Original languageEnglish
Pages (from-to)23 - 29
JournalCurrent Molecular Medicine
Publication statusPublished - 2009


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