Shiimori M, Nukiwa R, Imai Y. Dynamics of the host chromatin 3-dimensional response to influenza virus infection. Int Immunol. 2021 Jul 19:dxab043
The spatial organization of chromatin is known to be highly dynamic in response to environmental stress. However, it remains unknown how chromatin dynamics contributes to or modulates the pathogenesis of immune and infectious diseases. Influenza virus is a single-stranded RNA virus, and transcription and replication of the virus genome occur in the nucleus. Since viral infection is generally associated with virus-driven hijack of the host cellular machineries, influenza virus may utilize and/or affect the nuclear system. In this review article, we focus on recent studies showing that the 3-dimensional structure of chromatin changes with influenza virus infection, which affects the pathology of infection. Also, we discuss studies showing the roles of epigenetics in influenza virus infection. Understanding how this affects immune responses may lead to novel strategies to combat immune and infectious diseases.
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