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Cytokine Growth Factor Rev. 2016 Jun;29:3-16. doi: 10.1016/j.cytogfr.2016.04.003. Epub 2016 Apr 27.

The implication of SUMO in intrinsic and innate immunity.

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INSERM UMR-S 1124, Université Paris Descartes, Paris, France.
INSERM UMR-S 1124, Université Paris Descartes, Paris, France. Electronic address:


Since its discovery, SUMOylation has emerged as a key post-translational modification involved in the regulation of host-virus interactions. SUMOylation has been associated with the replication of a large number of viruses, either through the direct modification of viral proteins or through the modulation of cellular proteins implicated in antiviral defense. SUMO can affect protein function via covalent or non-covalent binding. There is growing evidence that SUMO regulates several host proteins involved in intrinsic and innate immunity, thereby contributing to the process governing interferon production during viral infection; as well as the interferon-activated Jak/STAT pathway. Unlike the interferon-mediated innate immune response, intrinsic antiviral resistance is mediated by constitutively expressed antiviral proteins (defined as restriction factors), which confer direct viral resistance through a variety of mechanisms. The aim of this review is to evaluate the role of SUMO in intrinsic and innate immunity; highlighting the involvement of the TRIM family proteins, with a specific focus on the mechanism through which SUMO affects i- interferon production upon viral infection, ii-interferon Jak/STAT signaling and biological responses, iii-the relationship between restriction factors and RNA viruses.


Innate immunity; Restriction factors; SUMO; Signal transduction; TRIM proteins

[Indexed for MEDLINE]

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