Cell-type specific regulation of MARCH1 E3 ubiquitin ligase by the anti-inflammatory cytokine IL-10 - Open Journal of Immunology

OJI > Vol.2 No.4, December 2012

Cell-type specific regulation of MARCH1 E3 ubiquitin ligase by the anti-inflammatory cytokine IL-10 ()

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Download as PDF (Size: 330KB) PP. 161-167

DOI: 10.4236/oji.2012.24020 4,465 Downloads 7,845 Views Citations

Author(s)

Tristan Galbas, Jacques Thibodeau

Affiliation(s)

Department of Microbiology and Immunology, University of Montreal, Montreal, Canada.

ABSTRACT

Membrane-associated RING-CH-1 (MARCH1) is an E3 ubiquitin ligase which targets MHC-II, CD86 and various other molecules for degradation. It is one of the most efficient post-translational regulators of antigen presentation. MARCH1 is expressed in resting immature dendritic cells and B cells but can be induced in other cell types. While activation of most immune cells results in a reduction in MARCH1 gene expression, its anti-inflammatory properties are highlighted by its induction in response to IL-10. Here, we review what is known about the regulation of MARCH1 gene expression in response to IL-10 by various immune cells. We speculate on the role of MARCH1 ininfection, its differential expression pattern and the promise that this E3 ubiquitin ligase holds to influence immune responses and mitigate immune pathologies.

KEYWORDS

MARCH1; Interleukin-10; MHC-II; Ubiquitin; Antigen-Presenting Cells

Share and Cite:

Galbas, T. and Thibodeau, J. (2012) Cell-type specific regulation of MARCH1 E3 ubiquitin ligase by the anti-inflammatory cytokine IL-10. Open Journal of Immunology, 2, 161-167. doi: 10.4236/oji.2012.24020.

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