The mechanism of double-stranded DNA sensing through the cGAS-STING pathway.
The mechanism of double-stranded DNA sensing through the cGAS-STING pathway.
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DOI:
10.1016/j.cytogfr.2014.06.006
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发表时间:
2014-12
影响因子:
13
通讯作者:
Li, Pingwei
中科院分区:
文献类型:
--
作者:
Shu, Chang;Li, Xin;Li, Pingwei
关键词:
Microbial nucleic acids induce potent innate immune responses by stimulating the expression of type I interferons. Cyclic GMP-AMP synthase (cGAS) is a cytosolic dsDNA sensor mediating the innate immunity to microbial DNA. cGAS is activated by dsDNA and catalyzes the synthesis of a cyclic dinucleotide cGAMP with 2',5' and 3',5' phosphodiester linkages. cGAMP binds to the adaptor STING located on the endoplasmic reticulum membrane and mediates the recruitment and activation of the protein kinase TBK1 and transcription factor IRF3. Phosphorylated IRF3 translocates to the nucleus and initiates the transcription of the IFN-β gene. The crystal structures of cGAS and its complex with dsDNA, STING and its complex with various cyclic dinucleotides have been determined recently. Here we summarize the results from these structural studies and provide an overview about the mechanism of cGAS activation by dsDNA, the catalytic mechanism of cGAS, and the structural basis of STING activation by cGAMP.
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影响因子:
64.8
作者:
通讯作者:
--
DOI:
10.1126/science.1244040
发表时间:
2013-09-20
期刊:
Science (New York, N.Y.)
影响因子:
--
作者:
Li XD;Wu J;Gao D;Wang H;Sun L;Chen ZJ
通讯作者:
Chen ZJ
影响因子:
7
作者:
Barber GN
通讯作者:
Barber GN
影响因子:
16.8
作者:
Huang, Yi-He;Liu, Xiang-Yu;Su, Xiao-Dong
通讯作者:
Su, Xiao-Dong
影响因子:
11.4
作者:
Cavlar, Taner;Deimling, Tobias;Hornung, Veit
通讯作者:
Hornung, Veit