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    琚春梅,樊惠英,刘正飞,陈焕春. 表达猪2型圆环病毒ORF2蛋白的重组伪狂犬病毒的生物学特性研究[J]. 华南农业大学学报, 2007, 28(3): 97-100. DOI: 10.7671/j.issn.1001-411X.2007.03.022
    引用本文: 琚春梅,樊惠英,刘正飞,陈焕春. 表达猪2型圆环病毒ORF2蛋白的重组伪狂犬病毒的生物学特性研究[J]. 华南农业大学学报, 2007, 28(3): 97-100. DOI: 10.7671/j.issn.1001-411X.2007.03.022
    shu
    JU Chun-mei,FAN Hui-ying,LIU Zheng-fei,CHEN Huan-chun. Biological Characteristics of Recombinant Pseudorabies Virus Expressing ORF2 Protein of Porcine Circovirus Type 2[J]. Journal of South China Agricultural University, 2007, 28(3): 97-100. DOI: 10.7671/j.issn.1001-411X.2007.03.022
    Citation: JU Chun-mei,FAN Hui-ying,LIU Zheng-fei,CHEN Huan-chun. Biological Characteristics of Recombinant Pseudorabies Virus Expressing ORF2 Protein of Porcine Circovirus Type 2[J]. Journal of South China Agricultural University, 2007, 28(3): 97-100. DOI: 10.7671/j.issn.1001-411X.2007.03.022
    shu

    表达猪2型圆环病毒ORF2蛋白的重组伪狂犬病毒的生物学特性研究

    Biological Characteristics of Recombinant Pseudorabies Virus Expressing ORF2 Protein of Porcine Circovirus Type 2

      摘要
    • 摘要: 为了探讨重组伪狂犬病毒TK-/gG-/ORF2 作为疫苗候选株的潜在价值,对该病毒的增殖特性、遗传稳定性、安全性、免疫原性及保护力进行了研究.结果表明:重组病毒的增殖滴度与亲本株相当,遗传稳定性良好,以100倍的免疫剂量接种小鼠时对小鼠是安全的;重组病毒在免疫小鼠后可诱导小鼠产生针对PRV和PCV2的特异性免疫应答,并且对致死剂量(100LD50)PRV Ea株强毒的攻击具有100%的免疫保护效果.

       

      Abstract: To study the potential value of a recombinant pseudorabies virus TK-/gG-/ORF2+ as candidate vaccine,the biological characteristics of this virus were examined,including growth properties,genetic stability,security,immunogenicity and protective capacity.The growth properties of the recombinant virus in cells were similar to that of the parent vector virus.In animal experiments,TK-/gG-/ORF2+ was safe to mice with dose of 100LD50 and elicited specific immune response against PRV and PCV2 in mice.Immunization with TK-/gG-/ORF2+ protected mice against a lethal challenge(100LD50)with a virulent PRV Ea strain.

       

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