Function and Regulation of Nuclear DNA Sensors During Viral Infection and Tumorigenesis.
Function and Regulation of Nuclear DNA Sensors During Viral Infection and Tumorigenesis.
复制标题
病毒感染和肿瘤发生过程中核 DNA 传感器的功能和调节。
DOI:
10.3389/fimmu.2020.624556
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发表时间:
2020
影响因子:
7.3
通讯作者:
Ma F
中科院分区:
文献类型:
--
作者:
Zhang F;Yuan Y;Ma F
IFI16, hnRNPA2B1, and nuclear cGAS are nuclear-located DNA sensors that play important roles in initiating host antiviral immunity and modulating tumorigenesis. IFI16 triggers innate antiviral immunity, inflammasome, and suppresses tumorigenesis by recognizing double-stranded DNA (dsDNA), single-stranded DNA (ssDNA), damaged nuclear DNA, or cooperatively interacting with multiple tumor suppressors such as p53 and BRCA1. hnRNPA2B1 initiates interferon (IFN)-α/β production and enhances STING-dependent cytosolic antiviral signaling by directly binding viral dsDNA from invaded viruses and facilitating N6-methyladenosine (m6A) modification of cGAS, IFI16, and STING mRNAs. Nuclear cGAS is recruited to double-stranded breaks (DSBs), suppresses DNA repair, and promotes tumorigenesis. This review briefly describes the nuclear functions of IFI16, hnRNPA2B1, and cGAS, and summarizes the transcriptional, post-transcriptional, and post-translational regulation of these nuclear DNA sensors.
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