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    • 1. 发明申请
    • LABEL-FREE METHODS RELATED TO HERG POTASSIUM ION CHANNELS
    • 与烟草离子通道相关的无标记方法
    • WO2011081973A1
    • 2011-07-07
    • PCT/US2010/060688
    • 2010-12-16
    • CORNING INCORPORATEDFANG, YeSUN, Haiyan
    • FANG, YeSUN, Haiyan
    • G01N33/68G01N33/94
    • G01N33/6872G01N2500/10
    • Disclosed are methods to classify human ether-à-go-go related gene (hERG) ion channel modulators using label-free biosensors. Disclosed is the use of label-free resonant waveguide grating (RWG) biosensors to reveal the patterns of the DMR signals of hERG modulators across three types of cell lines (a native cell line endogenously expressing hERG, a native cell line without hERG and its engineered cell line stably expressed hERG), as well as the corresponding modulation index of the modulators molecules against a hERG activator acting on a panel of markers/cells, particularly the known hERG activator mallotoxin DMR signals in the two hERG expressing cell lines.
    • 公开了使用无标记生物传感器分类人类醚转运相关基因(hERG)离子通道调节剂的方法。 公开了使用无标记谐振波导光栅(RWG)生物传感器来显示三种类型的细胞系(内源性表达hERG的天然细胞系,没有hERG的天然细胞系及其工程设计的)的hERG调节剂的DMR信号的模式 细胞系稳定表达hERG),以及调节剂分子对作用于一组标志物/细胞的hERG激活剂的相应调节指数,特别是两种hERG表达细胞系中已知的hERG活化剂mallotoxin DMR信号。