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HIV-1 expresses several accessory proteins to counteract host anti-viral restriction factors to facilitate viral replication and disease progression. One such protein, Vpr, has been implicated in affecting multiple cellular processes, but its mechanism remains elusive. Here we report that Vpr targets TET2 for polyubiquitylation by the VprBP-DDB1-CUL4-ROC1 E3 ligase and subsequent degradation. Genetic...
Treatment of acetaminophen (APAP) in overdose can cause a potentially serious and fatal liver injury. MicroRNA-155 (miR-155), a multifunctional microRNA, is known to mediate inflammatory responses via regulating various target genes. In this study, we aimed to study the role of miR-155 in APAP-induced liver injury, using miR-155−/− mice and miR-155 in vivo intervention. We noted that miR-155 expression...
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