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    • 10. 发明授权
    • Reagent for detecting and monitoring viral infections
    • 用于检测和监测病毒感染的试剂
    • US06818219B1
    • 2004-11-16
    • US09446907
    • 2000-04-10
    • Denis Tranchand-BunelHélène Gras-MasseClaude AuriaultAndré TartarEric DiesisBrigitte Bourez
    • Denis Tranchand-BunelHélène Gras-MasseClaude AuriaultAndré TartarEric DiesisBrigitte Bourez
    • A61K3912
    • G01N33/56994C07K14/005C12N2710/16222C12N2710/16622G01N2333/05
    • The invention concerns a reagent for diagnosing an infection caused by a virus, characterized in that it comprises essentially a mixture consisting of (1) an immunodominant fragment of a protein of said virus comprising not more than 60 aminoacids, preferably between 20 and 30 aminoacids and (2) a mixture (called mixotope) of convergent combining peptides, derived from said immunodominant fragment, which peptides are obtained by total or partial artificial degeneration of said immunodominant fragment by systematic or partial replacement of each aminoacid by another according to an appropriate substitution matrix. The invention concerns a reagent for detecting and monitoring infections caused by the Epstein-Barr virus of EBV, which is, in particular, the causal agent of infectious mononucleose and its applications for detecting an EBV infection at any stage of the infection (primo-infection, healthy carriers and induced tumors). Said diagnosis reagent comprises essentially a mixture consisting of (1) a C-terminal fragment of the protein VCAp18 SEQ ID no 1 of the Epstein-Barr virus (EBV) comprising not more than 60 aminoacids, preferably between 20 and 30 aminoacids, and (2) a mixture of convergent combining peptides, derived from said C-terminal fragment.
    • 本发明涉及用于诊断由病毒引起的感染的试剂,其特征在于其基本上由以下组成的混合物组成:(1)所述病毒的蛋白质的免疫显性片段,其包含不超过60个氨基酸,优选20-30个氨基酸,以及 (2)衍生自所述免疫显性片段的会聚结合肽的混合物(称为mixotope),所述肽通过所述免疫显性片段的全部或部分人工变性通过根据适当的取代基团对另一个氨基酸进行系统或部分置换而获得 。 本发明涉及用于检测和监测由EBV的爱泼斯坦 - 巴尔病毒引起的感染的试剂,其特别是感染性单核细胞的致病因子及其在感染的任何阶段检测EBV感染的应用(初始感染 ,健康载体和诱导的肿瘤)。 所述诊断试剂基本上由以下组成的混合物组成:(1)包含不超过60个氨基酸,优选20-30个氨基酸的爱泼斯坦 - 巴尔病毒(EBV)的蛋白质VCAp18 SEQ ID n1的C末端片段 ,和(2)衍生自所述C-末端片段的会聚结合肽的混合物。