The light and the dark sides of Interleukin-10 in immune-mediated diseases and cancer - PubMed (original) (raw)

Review

The light and the dark sides of Interleukin-10 in immune-mediated diseases and cancer

Jens Geginat et al. Cytokine Growth Factor Rev. 2016 Aug.

Abstract

Interleukin-10 (IL-10) is known to be a tolerogenic cytokine since it inhibits pro-inflammatory cytokine production and T cell stimulatory capacities of myeloid cells, such as macrophages and dendritic cells. In particular, it has a non-redundant tolerogenic role in intestinal immune homeostasis, since mice and patients with genetic defects in the IL-10/IL-10R pathway develop spontaneously colitis in the presence of a normal intestinal flora. However, IL-10 is also a growth and differentiation factor for B-cells, can promote autoantibody production and has consequently a pathogenic role in systemic lupus erythematosus. Moreover, IL-10 can promote cytotoxic T-cell (CTL) responses and this immunogenic activity might be relevant in type-1 diabetes and anti-tumor immune responses. This review summarizes these paradoxic effects of IL-10 on different types of immune responses, and proposes that different cellular sources of IL-10, in particular IL-10-secreting helper and regulatory T-cells, have different effects on B-cell and CTL responses. Based on this concept we discuss the rationales for targeting the IL-10 pathway in immune-mediated diseases and cancer.

Keywords: Cancer; Colitis; Interleukin-10; Systemic lupus erythematosus; T-cells.

Copyright © 2016 Elsevier Ltd. All rights reserved.

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