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HIGH THROUGHPUT METHOD FOR ACCURATE PREDICTION OF COMPOUND-INDUCED LIVER INJURY

机译:高效预测复合物引起的肝损伤的高通量方法

摘要

A method and system for predicting liver injury in vivo due to hepatocyte damage by a test compound are provided. The method includes acquiring images of fluorescently stained cells obtained from a cell culture in which the cells have been treated with a dose-range of at least the test compound and its vehicle. The cells may be hepatic cells including primary or immortalized hepatocytes, hepatoma cells or induced pluripotent stem cell-derived hepatocyte-like cells. The acquired images are segmented. The method further includes extracting and analyzing one or more phenotypic features from the segmented images, wherein the one or more phenotypic features are selected from the group of intensity, textural, morphological, or ratiometric features consisting of (a) features of DNA, (b) features of RELA (NF-KB p65), and (c) features of actin filaments at different subcellular regions and d) features of cellular organelles and their substructures in the segmented images. Finally, the method includes normalizing results from the treated samples to vehicle controls and predicting the probability of liver injury by the test compound based on test compound-induced normalized changes of the extracted and selected phenotypic features using machine learning methods.
机译:提供了一种预测由于测试化合物对肝细胞的损害而在体内引起肝损伤的方法和系统。该方法包括获取从细胞培养物中获得的荧光染色细胞的图像,在所述细胞培养物中,已经用至少测试化合物及其载体的剂量范围处理了细胞。所述细胞可以是肝细胞,包括原代或永生化的肝细胞,肝癌细胞或诱导的多能干细胞来源的肝样细胞。所获取的图像被分割。该方法进一步包括从分割的图像中提取和分析一个或多个表型特征,其中该一个或多个表型特征选自由(a)DNA特征,(b)组成的强度,质地,形态或比例特征。 )RELA(NF-KB p65)的特征,以及(c)在不同亚细胞区域的肌动蛋白丝的特征,以及d)在分割图像中细胞器的细胞器及其亚结构的特征。最后,该方法包括将经过处理的样品的结果归一化为媒介物对照,并使用机器学习方法,根据受试化合物诱导的提取和选定表型特征的归一化变化,预测受试化合物对肝损伤的可能性。

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