Unphosphorylated STAT3 regulates the antiproliferative, antiviral, and gene-inducing actions of type I interferons.
Unphosphorylated STAT3 regulates the antiproliferative, antiviral, and gene-inducing actions of type I interferons.
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DOI:
10.1016/j.bbrc.2017.06.111
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发表时间:
2017-08-26
影响因子:
3.1
通讯作者:
Pfeffer LM
中科院分区:
文献类型:
--
作者:
Pfeffer SR;Fan M;Du Z;Yang CH;Pfeffer LM
Type I interferon (IFNα/β) induces antiviral and antiproliferative responses in cells through the induction of IFN-stimulated genes (ISGs). Although the roles of IFN-activated STAT1 and STAT2 in the IFN response are well described, the function of STAT3 is poorly characterized. We investigated the role of STAT3 in the biological response to IFNα/β in mouse embryonic fibroblasts (MEFs) with a germ line deletion of STAT3. These STAT3 knockout (STAT3-KO) MEFs were reconstituted with STAT3 or the F705-STAT3 mutant (unphosphorylated STAT3) where the canonical Y705 tyrosine phosphorylation site was mutated. We show that both STAT3 and unphosphorylated STAT3 expression enhance the sensitivity of MEFs to the antiviral, antiproliferative and gene-inducing actions of IFN. By chromatin immunoprecipitation assays, unphosphorylated STAT3 appears to bind, albeit weakly, to select gene promoters to enhance their expression. These results suggest that unphosphorylated STAT3 plays an important role in the IFN response pathway.
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DOI:
10.1126/science.1164551
发表时间:
2009-02-06
期刊:
Science (New York, N.Y.)
影响因子:
--
作者:
Wegrzyn J;Potla R;Chwae YJ;Sepuri NB;Zhang Q;Koeck T;Derecka M;Szczepanek K;Szelag M;Gornicka A;Moh A;Moghaddas S;Chen Q;Bobbili S;Cichy J;Dulak J;Baker DP;Wolfman A;Stuehr D;Hassan MO;Fu XY;Avadhani N;Drake JI;Fawcett P;Lesnefsky EJ;Larner AC
通讯作者:
Larner AC
影响因子:
4.8
作者:
Debidda, M;Wang, L;Zheng, Y
通讯作者:
Zheng, Y
影响因子:
4.8
作者:
Yang, CH;Shi, W;Pfeffer, LM
通讯作者:
Pfeffer, LM
影响因子:
1.6
作者:
Arduini, RM;Li, ZF;Baker, DP
通讯作者:
Baker, DP
影响因子:
50.3
作者:
Lee H;Herrmann A;Deng JH;Kujawski M;Niu G;Li Z;Forman S;Jove R;Pardoll DM;Yu H
通讯作者:
Yu H