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    • 2. 发明申请
    • A METHOD FOR EXTRACTING QUANTITATIVE INFORMATION RELATING TO AN INFLUENCE ON A CELLULAR RESPONSE
    • 提取与细胞响应影响相关的量化信息的方法
    • WO9845704A2
    • 1998-10-15
    • PCT/DK9800145
    • 1998-04-07
    • NOVO NORDISK ASTHASTRUP OLEPETERSEN BJOERN SARATULLIN SOERENKASPER ALMHOLTSCUDDER KURT
    • THASTRUP OLEPETERSEN BJOERN SARATULLIN SOERENKASPER ALMHOLTSCUDDER KURT
    • C12Q1/25C12Q1/48G01N33/50G01N33/533G01N33/58G01N33/53
    • G01N33/5041G01N33/5005G01N33/5008G01N33/5014G01N33/5035G01N33/533G01N33/582G01N2333/43595G01N2333/9121
    • Cells are genetically modified to expresss a luminophore, e.g., a modified (F64L, S65T, Y66H) Green Fluorescent Protein (GFP, EGFP) coupled to a component of an intracellular signalling pathway such as a transcription factor, a cGMP- or cAMP-dependent protein kinase, a cyclin-, calmodulin- or phospholipid-dependent or mitogen-activated serine/threonin protein kinase, a tyrosine protein kinase, or a protein phosphatase (e.g. PKA, PKC, Erk, Smad, VASP, actin, p38, Jnk1, PKG, IkappaB, CDK2, Grk5, Zap70, p85, protein-tyrosine phosphatase 1C, Stat5, NFAT, NFkappaB, RhoA, PKB). An influence modulates the intracellular signalling pathway in such a way that the luminophore is being redistributed or translocated with the component in living cells in a manner experimentally determined to be correlated to the degree of the influence. Measurement of redistribution is performed by recording of light intensity, fluorescence lifetime, polarization, wavelength shift, resonance energy transfer, or other properties by an apparatus consisting of e.g. a fluorescence microscope and a CCD camera. Data stored as digital images are processed to numbers representing the degree of redistribution. The method can be used as a screening program for identifying a compound that modulates a component and is capable of treating a disease related to the function of the component.
    • 细胞被遗传修饰以表达发光体,例如与细胞内信号传导途径的组分偶联的经修饰的(F64L,S65T,Y66H)绿色荧光蛋白(GFP,EGFP),例如转录因子,cGMP-或cAMP依赖性 蛋白激酶,细胞周期蛋白,钙调蛋白或磷脂依赖性或丝裂原活化丝氨酸/苏氨酸蛋白激酶,酪氨酸蛋白激酶或蛋白磷酸酶(例如PKA,PKC,Erk,Smad,VASP,肌动蛋白,p38,Jnk1, PKG,IkappaB,CDK2,Grk5,Zap70,p85,蛋白质 - 酪氨酸磷酸酶1C,Stat5,NFAT,NFkappaB,RhoA,PKB)。 影响调节细胞内信号传导途径,使得发光体在活细胞中以组分重新分配或移位,其方式经实验确定与影响程度相关。 重新分布的测量是通过记录光强度,荧光寿命,极化,波长偏移,共振能量转移或其它性质通过由例如, 荧光显微镜和CCD相机。 作为数字图像存储的数据被处理成表示再分配程度的数字。 该方法可以用作鉴定调节成分并能够治疗与该成分的功能有关的疾病的化合物的筛选程序。