The prompt and tightly controlled induction of type I interferon is a central event of the immune response against viral infection. This response relies on the recognition of incoming pathogens by cellular pattern recognition receptors (PRRs), which then trigger various signaling cascades that result in proinflammatory cytokines and interferon production. Tripartite motif (TRIM)-containing proteins recently emerged as a large family of RING-finger E3 ubiquitin ligases with essential regulatory roles during many phases of the antiviral response, either acting as restriction factors or by modulating PRR signaling. In this article, we discuss recent advances in understanding the role of TRIMs in conferring direct antiviral activity as well as in regulating immune signaling pathways.

Original languageEnglish
Title of host publicationImmunity to Pathogens and Tumors
PublisherElsevier Inc.
Number of pages8
ISBN (Print)9780080921525
StatePublished - 27 Apr 2016


  • Antiviral immunity
  • PRRs
  • Posttranslational modification
  • RBCC
  • RING E3 ligases
  • Restriction factor
  • TRIM proteins
  • TUB
  • Type I interferon
  • Ubiquitin
  • Ubiquitin E3 ligases


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