Mechanisms of mRNA translation of interferon stimulated genes

Sonali Joshi, Surinder Kaur, Barbara Kroczynska, Leonidas C. Platanias*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

38 Scopus citations


Over the last two decades, a lot of research work has been focused on the interferon (IFN)-regulated JAK-STAT pathway and understanding the mechanisms governing the transcription of interferon stimulated genes (ISGs). Evidence suggests that the JAK-STAT pathway alone does not account in its entirety for mediating cellular responses to IFNs. There is emerging evidence that non-Stat pathways play important roles in mediating signals for the generation of IFN-responses. Various studies have underscored the importance of mitogen activated protein kinases (MAPKs), especially p38 and ERK1/2, as well as the PI 3'K/AKT pathway in transmitting signals that are of critical importance for the biological effects of IFNs. Besides regulating the transcription of ISGs in some cases, engagement of these signaling pathways by the IFN-receptor (IFNR) associated complexes also plays an important role in mediating the translation of ISGs. The mechanisms regulating mRNA translation of ISGs is an area of ongoing active research and a lot more efforts will be required to complete our understanding of the various cellular elements involved in this process. In this review we highlight the mechanisms regulating translation of ISGs. We focus on the proteins regulated by the PI 3'K/AKT pathway, their role in mediating mRNA translation of ISGs and the functional consequences of this regulation. In addition, MAPKs are known to regulate the phosphorylation of various eukaryotic initiation factors and we summarize the roles of eIF4B and eIF4E phosphorylations on the translation of ISGs. The emerging roles of microRNAs in mRNA translation of ISGs are also discussed.

Original languageEnglish (US)
Pages (from-to)123-127
Number of pages5
Issue number1-2
StatePublished - Oct 1 2010


  • ISG
  • Interferon
  • Kinase
  • MRNA
  • MTOR

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology
  • Biochemistry
  • Hematology
  • Molecular Biology

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