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. 2019 Feb;20(2):173-182.
doi: 10.1038/s41590-018-0275-z. Epub 2018 Dec 17.

mV体育安卓版 - 6A modification controls the innate immune response to infection by targeting type I interferons

Roni Winkler  1 , Ella Gillis  1 , Lior Lasman  1 , Modi Safra  1 , Shay Geula  1 , Clara Soyris  1 , Aharon Nachshon  1 , Julie Tai-Schmiedel  1 , Nehemya Friedman  2   3 , Vu Thuy Khanh Le-Trilling  4 , Mirko Trilling  4 , Michal Mandelboim  2   3 , Jacob H Hanna  1 , Schraga Schwartz  1 , Noam Stern-Ginossar  5
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m6A modification controls the innate immune response to infection by targeting type I interferons

Roni Winkler et al. Nat Immunol. 2019 Feb.

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Abstract (VSports注册入口)

N6-methyladenosine (m6A) is the most common mRNA modification. Recent studies have revealed that depletion of m6A machinery leads to alterations in the propagation of diverse viruses. These effects were proposed to be mediated through dysregulated methylation of viral RNA. Here we show that following viral infection or stimulation of cells with an inactivated virus, deletion of the m6A 'writer' METTL3 or 'reader' YTHDF2 led to an increase in the induction of interferon-stimulated genes. Consequently, propagation of different viruses was suppressed in an interferon-signaling-dependent manner. Significantly, the mRNA of IFNB, the gene encoding the main cytokine that drives the type I interferon response, was m6A modified and was stabilized following repression of METTL3 or YTHDF2. Furthermore, we show that m6A-mediated regulation of interferon genes was conserved in mice. Together, our findings uncover the role m6A serves as a negative regulator of interferon response by dictating the fast turnover of interferon mRNAs and consequently facilitating viral propagation. VSports手机版.

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  • Not immune to modification.
    Hesser CR, Glaunsinger BA. Hesser CR, et al. Nat Immunol. 2019 Feb;20(2):116-118. doi: 10.1038/s41590-018-0301-1. Nat Immunol. 2019. PMID: 30643262 No abstract available.

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