Early growth response-1 facilitates enterovirus 71 replication by direct binding to the viral genome RNA

The International Journal of Biochemistry & Cell Biology
Yu SongJianguo Wu

Abstract

Enterovirus 71 (EV71) infections can cause hand, foot and mouth disease (HFMD), meningoencephalitis, neonatal sepsis, and even fatal encephalitis in children. Unfortunately, there is currently no effective treatment for EV71 infection due to the lack of understanding of viral replication and infection; and viral infections have emerged as an imperative global hazard. Thus, it is extremely important to understand the mechanism of EV71 replication in order to prevent and control the diseases associated with EV71 infections. Early growth response-1 (EGR1) is a multifunctional transcription factor that regulates diverse biological functions, including inflammation, apoptosis, differentiation, tumorigenesis, and even viral infection. Here, we provide new insight into the role of EV71 infection in regulating EGR1 production; and reveal a novel mechanism by which EGR1 facilitates EV71 replication. We demonstrate that EV71 activates EGR1 expression during infection by stimulating the protein kinase A/protein kinase Cɛ/phosphoinositide 3-kinase/Akt (PKA/PKCɛ/PI3K/Akt) cascade. We further reveal that EV71-activated EGR1, in turn, regulates the internal ribosomal entry site (IRES) of EV71 to enhance viral replication. In addition, EGR1 fa...Continue Reading

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Citations

May 20, 2016·Intractable & Rare Diseases Research·Jing TianGuosheng Jiang
May 20, 2018·The Journal of Immunology : Official Journal of the American Association of Immunologists·Nanfang PengShi Liu
Mar 9, 2018·Frontiers in Microbiology·Jingjing YuanLingxiang Mao

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