Expression of short hairpin RNAs against the coxsackievirus B3 exerts potential antiviral effects in Cos-7 cells and in mice

Joo Young Kim, Sun Ku Chung, Ha Young Hwang, Hyongbum Kim, Jae-Hong Kim, Jae Hwan Nam, Sang Ick Park

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Chemically synthesized small interfering RNA (siRNA) has been used as an anti-coxsackievirus B3 (CVB3) agent. Herein, we investigated whether vector-derived short hairpin RNAs (shRNA) targeting CVB3 can exert antiviral activities, prior to their further application to viral vector system for efficient in vivo administration. Employing transient transfection assays to in vivo mouse models as well as to in vitro Cos-7 cell cultures, we directly demonstrated the potential antiviral activity of shRNAs following challenges with infectious CVB3. Of the six shRNAs that we designed, three prevented cell death from CVB3 infection by suppressing viral replication and viral production in Cos-7 cells. These were shRNA 2, which targeted the capsid protein VP1, and shRNAs 4 and 5, which targeted two different regions of the RNA-dependent RNA polymerase 3D. Furthermore, shRNAs 2 and 5 also exerted strong antiviral effects in viral replication in vivo, accompanied by attenuated pancreatic tissue damage. Through this direct evaluation system we addressed the development and application of vector-derived shRNAs as an anti-CVB3 agent, revealing new target sequences.

Original languageEnglish
Pages (from-to)9-13
Number of pages5
JournalVirus Research
Volume125
Issue number1
DOIs
Publication statusPublished - 2007 Apr 1

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Enterovirus
Small Interfering RNA
Antiviral Agents
Coxsackievirus Infections
RNA Replicase
Capsid Proteins
Transfection
Cell Death
Cell Culture Techniques

Keywords

  • Coxsackievirus B3
  • RNAi
  • shRNA
  • Virus infection
  • Virus titer

ASJC Scopus subject areas

  • Cancer Research
  • Molecular Biology
  • Virology

Cite this

Expression of short hairpin RNAs against the coxsackievirus B3 exerts potential antiviral effects in Cos-7 cells and in mice. / Kim, Joo Young; Chung, Sun Ku; Hwang, Ha Young; Kim, Hyongbum; Kim, Jae-Hong; Nam, Jae Hwan; Park, Sang Ick.

In: Virus Research, Vol. 125, No. 1, 01.04.2007, p. 9-13.

Research output: Contribution to journalArticle

Kim, Joo Young ; Chung, Sun Ku ; Hwang, Ha Young ; Kim, Hyongbum ; Kim, Jae-Hong ; Nam, Jae Hwan ; Park, Sang Ick. / Expression of short hairpin RNAs against the coxsackievirus B3 exerts potential antiviral effects in Cos-7 cells and in mice. In: Virus Research. 2007 ; Vol. 125, No. 1. pp. 9-13.
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