組換え抗原を用いたマウスパルボウイルス特異的なELISA法の開発 Development of ELISA Using Recombinant Antigens for Specific Detection of Mouse Parvovirus Infection

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Nucleotide sequcences of mouse parvovirus (MPV) isolate, named MPV/UT, and mouse minute virus (MMV) were analyzed and used for expressing recombinant proteins in <i>E. coli</i>. ELISA tests using recombinant major capsid protein (rVP2) and recombinant major non-structural protein (rNS1) as antigens were developed and their performance in serologic detection of rodent parvovirus infection was assessed. MPV-rVP2 and MMV-rVP2 ELISAs reacted specifically with anti-MPV and anti-MMV mouse sera, respectively. MMV-rNS1 antigen had a wide reaction range with antisera to rodent parvoviruses including MPV, MMV, Kilham rat virus (KRV) and H-1 virus. All mice oronasally infected with MPV were seropositive at 4 weeks post-infection in screening by ELISAs using MPV-rVP2 and MMV-rNS1 antigens, but were negative by conventional ELISA using whole MMV antigen. A contact transmission experiment revealed that transmission of MPV occurred up to 4 weeks post-infection, and all cage mates were seropositive in screening with MPV-rVP2 and MMV-rNS1 ELISAs. These results indicate that MPV-rVP2 and MMV-rVP2 are specific ELISA antigens which distinguish between MPV and MVM infection, while MMV-rNS1 antigen can be used in generic ELISA for a variety of rodent parvoviruses. The higher sensitivity of MPV-rVP2 ELISA than conventional ELISA for detecting seroconversion to MPV in oronasally infected mice as well as in cage mates suggests the usefulness of MPV-rVP2 ELISA in quarantine and microbiological monitoring of MPV infection in laboratory mice.<br>

収録刊行物

  • Experimental animals  

    Experimental animals 55(2), 117-124, 2006-04-01 

    Japanese Association for Laboratory Animal Science

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各種コード

  • NII論文ID(NAID)
    10018114688
  • NII書誌ID(NCID)
    AA11032321
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13411357
  • NDL 記事登録ID
    7881115
  • NDL 雑誌分類
    ZS7(科学技術--医学)
  • NDL 請求記号
    Z54-H752
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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