Review Article | Published:

Delicate regulation of the cGAS–MITA-mediated innate immune response

Cellular & Molecular Immunologyvolume 15pages666675 (2018) | Download Citation



Although it has long been demonstrated that cytosolic DNA is a potent immune stimulant, it is only in recent years that the molecular mechanisms of DNA-stimulated innate immune responses have emerged. Studies have established critical roles for the DNA sensor cyclic GMP–AMP synthase (cGAS) and the adapter protein MITA/STING in the innate immune response to cytosolic DNA or DNA viruses. Although the regulation of cGAS–MITA/STING-mediated signaling remains to be fully investigated, understanding the processes involved may help to explain the mechanisms of innate immune signaling events and perhaps autoinflammatory diseases and to provide potential therapeutic targets for drug intervention. In this review, we summarize recent progress on the regulation of the cGAS–MITA/STING-mediated innate immune response to DNA viruses at the organelle-trafficking, post-translational and transcriptional levels.

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The work in the authors’ laboratory is supported by grants from the Ministry of Science and Technology of China (2014CB910103, 2012CB910201 and 2016YFA0502100) and the National Natural Science Foundation of China (3163000013, 31521091 and 91429304).

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  1. Medical Research Institute, Collaborative Innovation Center for Viral Immunology, Wuhan University, Wuhan, 430071, China

    • Wei-Wei Luo
    •  & Hong-Bing Shu


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