Sphingosine kinase 1 regulates measles virus replication.
Sphingosine kinase 1 regulates measles virus replication.
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DOI：
10.1016/j.virol.2013.11.039
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发表时间：
2014-02
期刊：
影响因子：
3.7
通讯作者：
Hahm, Bumsuk
中科院分区：
文献类型：
--
作者：
Vijayan, Madhuvanthi;Seo, Young-Jin;Pritzl, Curtis John;Squires, Sarah Angela;Alexander, Stephen;Hahm, Bumsuk
Measles virus (MV) manipulates host factors to facilitate virus replication. Sphingosine kinase (SK) is an enzyme catalyzing the formation of sphingosine 1-phosphate and modulates multiple cellular processes including the host defense system. Here, we determined the role of SK1 in MV replication. Overexpression of SK1 enhanced MV replication. In contrast, inhibition of SK impaired viral protein expression and infectious virus production from cells expressing MV receptor, SLAM or Nectin-4. The inhibition of virus replication was observed when the cells were infected by vaccine strain or wild type MV or V/C gene-deficient MV. Importantly, SK inhibition suppressed MV-induced activation of NF-κB. The inhibitors specific to NF-κB signal pathway repressed the synthesis of MV proteins, revealing the importance of NF-κB activation for efficient MV replication. Therefore, SK inhibition restricts MV replication and modulates the NF-κB signal pathway, demonstrating that SK is a cellular factor critical for MV replication.
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影响因子：
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