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    • 7. 发明授权
    • System and method for performing G protein coupled receptor (GPCR) cell assays using waveguide-grating sensors
    • 使用波导光栅传感器进行G蛋白偶联受体(GPCR)细胞测定的系统和方法
    • US08148092B2
    • 2012-04-03
    • US12469054
    • 2009-05-20
    • Ye FangAnn M. FerrieNorman H. FontaineJoydeep LahiriPo Ki Yuen
    • Ye FangAnn M. FerrieNorman H. FontaineJoydeep LahiriPo Ki Yuen
    • G01N33/567C12Q1/02
    • G01N33/5041G01N21/4788G01N21/553G01N2333/726G01N2500/10
    • The present invention includes a system and method that uses optical LID biosensors to monitor in real time agonist-induced GPCR signaling events within living cells. Particularly, the present invention includes a system and method for using an optical LID biosensor to screen compounds against a target GPCR within living cells based on the mass redistribution due to agonist-induced GPCR activation. In an extended embodiment, the present invention discloses different ways for self-referencing the optical LID biosensor to eliminate unwanted sensitivity to ambient temperature, pressure fluctuations, and other environmental changes. In yet another extended embodiment, the present invention discloses different ways for screening multiple GPCRs in a single type of cell or multiple GPCRs in multiple types of cells within a single medium solution. In still yet another extended embodiment, the present invention discloses different ways to confirm the physiological or pharmacological effect of a compound against a specific GPCR within living cells.
    • 本发明包括使用光学LID生物传感器实时监测活细胞内激动剂诱导的GPCR信号事件的系统和方法。 特别地,本发明包括使用光学LID生物传感器基于由于激动剂诱导的GPCR活化导致的质量再分布来筛选活细胞内的靶GPCR的化合物的系统和方法。 在扩展实施例中,本发明公开了用于自参考光学LID生物传感器以消除对环境温度,压力波动和其他环境变化的不期望的灵敏度的不同方式。 在又一个扩展的实施方案中,本发明公开了在单一培养基溶液中的多种类型的细胞中单种类型细胞或多种GPCR筛选多种GPCR的不同方式。 在又一个延伸的实施方案中,本发明公开了确定化合物对活细胞内特异性GPCR的生理或药理作用的不同方式。