Promyelocytic leukemia zinc finger protein regulates interferon-mediated innate immunity.
Promyelocytic leukemia zinc finger protein regulates interferon-mediated innate immunity.
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DOI:
10.1016/j.immuni.2009.04.013
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发表时间:
2009-06-19
期刊:
影响因子:
32.4
通讯作者:
Williams BR
中科院分区:
文献类型:
--
作者:
Xu D;Holko M;Sadler AJ;Scott B;Higashiyama S;Berkofsky-Fessler W;McConnell MJ;Pandolfi PP;Licht JD;Williams BR
Interferons (IFNs) direct innate and acquired immune responses and, accordingly, are used therapeutically to treat a number of diseases, yet the diverse effects they elicit are not fully understood. Here, we identified the promyelocytic leukemia zinc finger (PLZF) protein as a previously unrecognized component of the IFN response. IFN stimulated an association of PLZF with promyelocytic leukemia protein (PML) and histone deacetylase 1 (HDAC1) to induce a decisive subset of IFN-stimulated genes (ISGs). Consequently, PLZF-deficient mice had a specific ISG expression defect and as a result were more susceptible to viral infection. This susceptibility correlated with a marked decrease in the expression of the key antiviral mediators and an impaired IFN-mediated induction of natural killer cell function. These results provide new insights into the regulatory mechanisms of IFN signaling and the induction of innate antiviral immunity.
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