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    • 4. 发明申请
    • DETERMINATION OF THE LIVER TOXICITY OF AN AGENT
    • 确定代谢物的肝脏毒性
    • WO2010091290A1
    • 2010-08-12
    • PCT/US2010/023372
    • 2010-02-05
    • METABOLON, INC.MILBURN, MichaelGUO, LiningWULFF, Jacob, EdwardLAWTON, Kay, A.
    • MILBURN, MichaelGUO, LiningWULFF, Jacob, EdwardLAWTON, Kay, A.
    • C12Q1/68
    • G01N33/5014G01N33/5067G01N33/5088
    • The present invention provides various biomarkers for hepatotoxicity and various methods of using the biomarkers Some of the biomarkers within the scope of this invention are cholate, glycochenodeoxycholate, glycocholate, taurine, 3-hyroxy-2-ethylpropιonate, 4- imidazoleacetate, tyramine, anthranilate, 2'-deoxycytιdιne, N-acetyl aspartate (NAA), beta-hydroxyhexanoate, and sarcosine (N- methylglycine) The methods of using the biomarkers include exposing a first hepatocyte culture to a test agent and comparing the levels of the one or more biomarkers obtained in the first hepatocyte culture to the levels of the one or more biomarkers obtained in a second hepatocyte culture without the test agent, where differential levels of the one or more biomarkers in the first hepatocyte culture as compared to the levels in the second hepatocyte culture is indicative of the test agent being a hepatotoxicant.
    • 本发明提供用于肝毒性的各种生物标志物和使用生物标志物的各种方法本发明范围内的一些生物标志物是胆酸,甘氨脱氧胆酸,甘胆酸盐,牛磺酸,3-羟基-2-乙基丙酸,4-咪唑乙酸盐,酪胺, 邻氨基苯甲酸酯,2'-脱氧胞苷,N-乙酰天冬氨酸(NAA),β-羟基己酸酯和肌氨酸(N-甲基甘氨酸)使用生物标志物的方法包括将第一次肝细胞培养物暴露于测试试剂并比较 在第一肝细胞培养物中获得的一种或多种生物标志物在没有测试剂的第二肝细胞培养物中获得的一种或多种生物标志物的水平,其中第一肝细胞培养物中的一种或多种生物标志物的差异水平与 第二次肝细胞培养物中的水平指示测试试剂是肝毒素。