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therascreen KRAS RGQ PCR Kit

用于检测KRAS原癌基因的7个体细胞突变

Products

therascreen KRAS RGQ PCR Kit 旨在用于体外诊断用途。
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therascreen KRAS RGQ PCR Kit (24) CE

Cat. No. / ID:   874011

For 24 reactions: 1 Control Assay, 7 Mutation Assays, Positive Control, and Taq DNA Polymerase
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therascreen KRAS Assay Package CD

Cat. No. / ID:   9023675

Software assay package for use with the therascreen KRAS RGQ PCR Kit and Rotor-Gene Q 5plex HRM or Rotor-Gene Q MDx 5plex HRM in combination with Rotor-Gene Q Software version 2.3 and 72-well rotor. Note: The Assay Package is also available for download.

特点

  • 符合EU IVD Directive 98/79/EC
  • 灵敏检测低水平突变DNA
  • 即用型系统,简单的工作流程
  • 利用ARMS和Scorpions PCR技术进行选择性、灵敏的检测

产品详情

therascreen KRAS RGQ PCR Kit是分子检测试剂盒,可通过在Rotor-Gene Q 5plex HRM仪器上的real-time PCR检测KRAS基因的7个体细胞突变。此试剂盒提供全部所需优化试剂,可快速、灵敏检测野生型基因组DNA背景下的低比例突变DNA。ARMS PCR技术与Scorpions检测技术相结合,可高灵敏度、高特异性检测特定突变

原理

therascreen KRAS RGQ PCR Kit用于检测KRAS基因的12和13位密码子的突变。KRAS基因编码的蛋白在EGFR信号通路中发挥重要作用。KRAS基因的突变会影响蛋白刺激下游通路。KRAS基因在各种癌症类型中约30%会发生突变。高频率KRAS突变的癌症包括结直肠癌(35%)和肺癌(18%)。

therascreen KRAS RGQ PCR Kit检测的KRAS突变包括:

  • 12ALA
  • 12ASP
  • 12ARG
  • 12CYS
  • 12SER
  • 12VAL
  • 13 ASP

    试剂盒利用两种技术,即ARMS(Amplification Refractory Mutation System)和Scorpions,通过real-time PCR检测突变。

    ARMS

    通过ARMS可进行等位基因或突变特异性扩增。Taq DNA聚合酶可有效区分PCR引物3'端的搭配与错配。特定突变序列被选择性扩增,即使样本中大部分序列都不含有此突变。当引物完全搭配时,扩增过程非常高效。当3'端碱基错配时,只有低水平背景扩增发生。

    Scorpions

    使用Scorpions检测扩增。Scorpions是双功能分子,含有一个共价连接到探针上的PCR引物。探针上的荧光基团与同样在探针上的淬灭基团相互作用,降低了荧光强度。PCR过程中,当探针结合到扩增子上时,荧光基团和淬灭基团就会分开,导致反应管中荧光强度增加。

  • 程序

    therascreen KRAS RGQ PCR Kit使用一个两步操作流程。第一步是对照分析,以检测样本中的总DNA。第二步是突变分析,以检测是否存在突变的DNA。

    应用

    therascreen KRAS RGQ PCR Kit用于检测KRAS基因的12和13位密码子的7个突变。研究表明,KRAS突变检测可更好确定哪些转移性结直肠癌患者接受表皮生长因子受体(EGFR)抑制性单抗(如潘尼单抗和西妥昔单抗)治疗后有效果。

    资源

    试剂盒操作手册 (2)
    Qualitative in vitro diagnostics
    For use with Rotor-Gene® Q MDx 5plex HRM
    For use with QIAamp® DNA FFPE Tissue Kit

    April 2022







    Qualitative in vitro diagnostics
    For use with Rotor-Gene® ​Q MDx
    补充实验方案 (1)
    Software assay package for use with the therascreen KRAS RGQ PCR Kit and Rotor-Gene Q 5plex HRM or Rotor-Gene Q MDx 5plex HRM in combination with Rotor-Gene Q Software version 2.3 and 72-well rotor.
    Installation of the therascreen KRAS Assay Package is described in the therascreen KRAS RGQ PCR Kit Handbook.  
    Note: Previous versions of the assay package, including the version listed in the current kit handbook, are not compatible with Rotor-Gene Q Software version 2.3. If your Rotor-Gene Q 5plex HRM or Rotor-Gene Q MDx 5plex HRM has an earlier software version installed, you can upgrade to Rotor-Gene Q Software version 2.3 by downloading the software from the Rotor-Gene Q or Rotor-Gene Q MDx product webpages.
    安全数据表 (1)
    Download Safety Data Sheets for QIAGEN product components.
    Safety Data Sheets (1)
    Certificates of Analysis (1)
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