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    • 25. 发明申请
    • 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
    • WO2006107506A2
    • 2006-10-12
    • PCT/US2006/008582
    • 2006-03-10
    • CORNING INCORPORATEDFANG, YeFERRIE, Ann, M.FONTAINE, Norman, H.YUEN, Po KiLAHIRI, Joydeep
    • FANG, YeFERRIE, Ann, M.FONTAINE, Norman, H.YUEN, Po KiLAHIRI, Joydeep
    • G01N33/543G01N21/77G01N33/68
    • 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生物传感器来实时监测活细胞内激动剂诱导的GPCR信号传导事件的系统和方法。 具体而言,本发明包括使用光学LID生物传感器基于由激动剂诱导的GPCR激活引起的质量重新分布来筛选针对活细胞内的靶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引用光学LID生物传感器以消除对周围温度,压力波动和其他环境变化的不期望的灵敏度的不同方式。 在另一个扩展的实施方案中,本发明公开了用于在单一介质溶液内的多种类型的细胞中筛选单一类型的细胞中的多种GPCR或多种GPCR的不同方式。 在另一个扩展的实施方案中,本发明公开了确认化合物针对活细胞内特定GPCR的生理学或药理学作用的不同方法。