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Immunochemical and biological characterization of neutralizing and cross-reactive murine monoclonal antibodies to foot-and-mouth disease virus A24 Cruzeiro.

机译:抗口蹄疫病毒A24 Cruzeiro的中和和交叉反应性鼠单克隆抗体的免疫化学和生物学特性。

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摘要

Due to the range of species affected, the high rate of infectivity, and the fact that virus is shed before clinical signs occur, foot-and-mouth disease (FMD) is one of the most feared reportable animal disease in North America.; Herein we describe the development and characterization of 3 murine monoclonal antibodies F24G1, F24G2 and F24G3 to the VP1 protein of the FMD virus. The mice underwent a complex sequential immunization strategy designed to select for B cells reactive against epitopes conserved between different serotypes. While our data show that these mAbs recognize type A24Cruzeiro and Asia I FMD virus specifically in ELISA using whole virus, the mAbs neutralize the infectivity of only serotype A24 in vitro in cell culture. All 3 mAbs recognize trypsin-sensitive, linear, heat-stable epitope(s). We have determined the molecular sequence of the immunoglobulin variable regions of these hybridomas in order to analyze clonal relatedness of the B cells from which they were derived. (Abstract shortened by UMI.)
机译:由于受到影响的物种范围广,感染率高以及病毒在临床体征出现之前就已脱落的事实,口蹄疫(FMD)是北美最令人担忧的可报告动物疾病之一。在这里,我们描述了针对FMD病毒VP1蛋白的3种鼠类单克隆抗体F24G1,F24G2和F24G3的开发和表征。小鼠经历了复杂的顺序免疫策略,该策略旨在选择对不同血清型之间保守的表位具有反应性的B细胞。尽管我们的数据显示这些mAb在使用完整病毒的ELISA中特异性识别A24Cruzeiro和Asia I FMD型病毒,但这些mAb在细胞培养中只能中和体外的A24血清型。所有3种mAb均可识别胰蛋白酶敏感的线性热稳定表位。我们已经确定了这些杂交瘤的免疫球蛋白可变区的分子序列,以分析其来源的B细胞的克隆相关性。 (摘要由UMI缩短。)

著录项

  • 作者

    Bratic, Jelena.;

  • 作者单位

    University of Manitoba (Canada).;

  • 授予单位 University of Manitoba (Canada).;
  • 学科 Health Sciences Immunology.
  • 学位 M.Sc.
  • 年度 2006
  • 页码 104 p.
  • 总页数 104
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 预防医学、卫生学;
  • 关键词

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