Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Inactivation of Avian Influenza Viruses by Alkaline Disinfectant Solution

알칼리성 소독액에 의한 조류인플루엔자바이러스 불활성화

  • Jo, Su-Kyung (Laboratory of Influenza Research, College of Veterinary Medicine, Chungnam National University) ;
  • Kim, Heui-Man (Laboratory of Influenza Research, College of Veterinary Medicine, Chungnam National University) ;
  • Lee, Chang-Jun (Laboratory of Influenza Research, College of Veterinary Medicine, Chungnam National University) ;
  • Lee, Joo-Seob (Laboratory of Influenza Research, College of Veterinary Medicine, Chungnam National University) ;
  • Seo, Sang-Heui (Laboratory of Influenza Research, College of Veterinary Medicine, Chungnam National University)
  • 조수경 (충남대학교 수의과대학 인플루엔자연구 실험실) ;
  • 김희만 (충남대학교 수의과대학 인플루엔자연구 실험실) ;
  • 이창준 (충남대학교 수의과대학 인플루엔자연구 실험실) ;
  • 이주섭 (충남대학교 수의과대학 인플루엔자연구 실험실) ;
  • 서상희 (충남대학교 수의과대학 인플루엔자연구 실험실)
  • Published : 2007.03.30
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Abstract

Avian influenza viruses cause a considerable threat to humans and animals. In this study, we investigated whether alkaline disinfectant solution can inactivate H5N1, H3N2, H6N1, and H9N2 subtypes of avian influenza virus. When H5N1, H3N2, H6N1, and H9N2 avian influenza viruses were treated with alkaline solution diluted with PBS (pH 7.2) prior to infection into MDCK cells, alkaline disinfectant solution (at dilutions up to $10^{-2}$) completely inactivated all avian influenza subtypes tested. To confirm the inactivation of avian influenza viruses by alkaline disinfectant solution, we used an immunofluorescence assay with influenza A anti-nucleoprotein antibody and FITC-labeled secondary antibody to stain MDCK cells infected with avian H9N2 influenza viruses. No staining was observed in MDCK rells infected with H9N2 viruses that were pre-treated with a $10^{-2}$ dilution of alkaline disinfectant solution, while strong staining was observed in MDCK cells infected with H9N2 viruses without pre-treatment. Our results indicate that alkaline solution could help to control avian influenza viruses including the highly pathogenic H5N1 subtype.

조류인플루엔자바이러스는 사람 및 동물에 상당한 위협을 가하고 있다. 이 연구는 알칼리성 소독용액이 H5N1, H3N2, H6N1, H9N2형 조류인플루엔자바이러스를 불활성화시킬 수 있는지를 조사했다. 알칼리성 소독용액을 생리식염수에 100배 희석한 경우 조류인플루엔자가 MDCK 세포에서 증식하는 것을 완전히 억압하였다. 형광항체법을 이용한 실험에서도 알칼리성소독액을 처리한 H9N2 조류인플루엔자바이러스는 MDCK세포에서 증식이 억제되었고, 알칼리성 소독액을 처리하지 않은 H9N2조류인플루엔자바이러스는 증식이 억제되지 않았다. 이 결과는 알칼리성 소독액은 고병원성 H5N1을 포함을 조류인플루엔자바이러스를 방역하는데 도움이 될 수 있음을 시사한다.

Keywords

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