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Activation of cyclic GMP-AMP synthase by self-DNA causes autoimmune diseases

Open access
Gao, Daxing, Li, Tuo, Li, Xiao-Dong, Chen, Xiang, Li, Quan-Zhen, Wight-Carter, Mary, Chen, Zhijian J.·2015·Proceedings of the National Academy of Sciences

Abstract

Significance: The immune system detects microbial DNA in the cytosol of infected cells and mounts effective antimicrobial responses, including the production of type-I interferons. However, when self-DNA enters or accumulates in the cytosol, it can cause autoimmune diseases. Mutations of the exonuclease Trex1 in humans have been linked to autoimmune diseases including Aicardi–Goutieres Syndrome (AGS) and systemic lupus erythematosus (SLE). In mice, genetic deletion of Trex1 or the lysosomal nuclease DNaseII leads to lethal autoimmune diseases. Here we show that cyclic GMP-AMP synthase (cGAS) activation by self-DNA is responsible for the lethal autoimmune diseases in these models. These results provide the proof-of-concept that inhibition of cGAS may be an effective therapy for some autoimmune diseases such as AGS and SLE.

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Metadata

Authors
Gao, D., Li, T., Li, X.-D., Chen, X., Li, Q.-Z., Wight-Carter, M., & Chen, Z. J.
Venue
Proceedings of the National Academy of Sciences
Published
2015-09-14
Volume
112
Issue
42
Pages
E5699-705
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2147701649
Cited by
685
References
9
FWCI
19.24
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Activation of cyclic GMP-AMP synthase by self-DNA causes autoimmune diseases. https://app.cochat.ai/papers/10.1073/pnas.1516465112
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Gao, D., Li, T., Li, X.-D., Chen, X., Li, Q.-Z., Wight-Carter, M., & Chen, Z. J. (2015). Activation of cyclic GMP-AMP synthase by self-DNA causes autoimmune diseases. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.1516465112

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