Honeysuckle-encoded microRNA2911 inhibits Enterovirus 71 replication via targeting VP1 gene. 2018

Xihan Li, and Ying Huang, and Menghuai Sun, and Hong Ji, and Hui Dou, and Jia Hu, and Yanfeng Yan, and Xu Wang, and Leiyao Chen
Central Laboratory, Nanjing Integrated Traditional Chinese and Western Medicine Hospital, Affiliated with Nanjing University of Chinese Medicine, Nanjing, China.

Enterovirus 71 (EV71) is the primary pathogen of hand-foot-and-mouth disease (HFMD) in children and virus infections are associated with severe neurological dysfunctions and even death. MIR2911 is a honeysuckle-encoded atypical microRNA with extreme stability. Here, we report that MIR2911 directly inhibits EV71 replication by targeting the VP1 gene. Bioinformatics prediction and luciferase reporter assay showed that MIR2911 could target the VP1 gene of EV71. Transfection experiments using synthetic MIR2911 and extracted RNA from HS decoction shown that each of these preparations was capable of inhibiting EV71 VP1 protein expression; however, these preparations did not impact EV71 mutants in which the MIR2911-binding sites were mutated. Furthermore, EV71 replication was increased by antagomirs against MIR2911 in the HS decoction, implying that MIR2911 was physiologically functional in controlling EV71 replication in vitro. These results indicated that, by targeting VP1 gene, MIR2911 may effectively inhibit EV71 replication. Our results also provide a potential novel strategy on the therapy and/or prevention of HFMD originating from EV71 virus infection.

UI MeSH Term Description Entries
D006232 Hand, Foot and Mouth Disease A mild, highly infectious viral disease of children, characterized by vesicular lesions in the mouth and on the hands and feet. It is caused by coxsackieviruses A. Hand Foot and Mouth Disease,Hand, Foot, and Mouth Disease,Hand, Foot, Mouth Disease
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000998 Antiviral Agents Agents used in the prophylaxis or therapy of VIRUS DISEASES. Some of the ways they may act include preventing viral replication by inhibiting viral DNA polymerase; binding to specific cell-surface receptors and inhibiting viral penetration or uncoating; inhibiting viral protein synthesis; or blocking late stages of virus assembly. Antiviral,Antiviral Agent,Antiviral Drug,Antivirals,Antiviral Drugs,Agent, Antiviral,Agents, Antiviral,Drug, Antiviral,Drugs, Antiviral
D014779 Virus Replication The process of intracellular viral multiplication, consisting of the synthesis of PROTEINS; NUCLEIC ACIDS; and sometimes LIPIDS, and their assembly into a new infectious particle. Viral Replication,Replication, Viral,Replication, Virus,Replications, Viral,Replications, Virus,Viral Replications,Virus Replications
D018749 RNA, Plant Ribonucleic acid in plants having regulatory and catalytic roles as well as involvement in protein synthesis. Plant RNA
D029821 Enterovirus A, Human A species of ENTEROVIRUS infecting humans and containing 10 serotypes, mostly coxsackieviruses. EV-A71,Enterovirus 71, Human,Human Enterovirus 71,Human Enterovirus A
D031239 Lonicera A plant genus of the family CAPRIFOLIACEAE. Members contain iridoid glucosides. Honeysuckle,Honeysuckles,Loniceras
D035683 MicroRNAs Small double-stranded, non-protein coding RNAs, 21-25 nucleotides in length generated from single-stranded microRNA gene transcripts by the same RIBONUCLEASE III, Dicer, that produces small interfering RNAs (RNA, SMALL INTERFERING). They become part of the RNA-INDUCED SILENCING COMPLEX and repress the translation (TRANSLATION, GENETIC) of target RNA by binding to homologous 3'UTR region as an imperfect match. The small temporal RNAs (stRNAs), let-7 and lin-4, from C. elegans, are the first 2 miRNAs discovered, and are from a class of miRNAs involved in developmental timing. RNA, Small Temporal,Small Temporal RNA,miRNA,stRNA,Micro RNA,MicroRNA,Primary MicroRNA,Primary miRNA,miRNAs,pre-miRNA,pri-miRNA,MicroRNA, Primary,RNA, Micro,Temporal RNA, Small,miRNA, Primary,pre miRNA,pri miRNA
D036022 Capsid Proteins Proteins that form the CAPSID of VIRUSES. Procapsid Protein,Procapsid Proteins,Viral Coat Protein,Viral Coat Proteins,Viral V Antigens,Viral V Proteins,Capsid Protein,Viral Outer Coat Protein,Antigens, Viral V,Coat Protein, Viral,V Antigens, Viral,V Proteins, Viral

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