Apoptotic caspases prevent the induction of type I interferons by mitochondrial DNA.
Apoptotic caspases prevent the induction of type I interferons by mitochondrial DNA.
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DOI:
10.1016/j.cell.2014.11.037
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发表时间:
2014-12-18
期刊:
影响因子:
64.5
通讯作者:
Flavell RA
中科院分区:
文献类型:
--
作者:
Rongvaux A;Jackson R;Harman CC;Li T;West AP;de Zoete MR;Wu Y;Yordy B;Lakhani SA;Kuan CY;Taniguchi T;Shadel GS;Chen ZJ;Iwasaki A;Flavell RA
The mechanism by which cells undergo death determines whether dying cells trigger inflammatory responses or remain immunologically silent. Mitochondria play a central role in the induction of cell death, as well as in immune signaling pathways. Here, we identify of a mechanism by which mitochondria and downstream pro-apoptotic caspases regulate the activation of antiviral immunity. In the absence of active caspases, mitochondrial outer membrane permeabilization by Bax and Bak results in the expression of type I interferons (IFNs). This induction is mediated by mitochondrial DNA-dependent activation of the cGAS/STING pathway and results in the establishment of a potent state of viral resistance. Our results show that mitochondria have the capacity to simultaneously expose a cell-intrinsic inducer of the IFN response, and to inactivate this response in a caspase-dependent manner. This mechanism provides a dual control, which determines whether mitochondria initiate an immunologically silent or a pro-inflammatory type of cell death.
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影响因子:
32.4
作者:
Loo YM;Gale M Jr
通讯作者:
Gale M Jr
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:
56.9
作者:
MULLER, U;STEINHOFF, U;AGUET, M
通讯作者:
AGUET, M
影响因子:
4.8
作者:
Masud, Ali;Mohapatra, Alexander;Flavell, Richard A.
通讯作者:
Flavell, Richard A.
影响因子:
56.9
作者:
Lakhani, SA;Masud, A;Flavell, RA
通讯作者:
Flavell, RA