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首页> 外文期刊>Cell biology international. >Assessment of drug induced developmental toxicity using human embryonic stem cells.
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Assessment of drug induced developmental toxicity using human embryonic stem cells.

机译:使用人类胚胎干细胞评估药物诱导的发育毒性。

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Embryonic stem (ES) cells are unique as they have the potential to be generated in large numbers and the ability to differentiate into the three germ layers via embryoid body (EB) formation. This property could be utilized as an index to study initial mammalian development. We have investigated the utility of a comprehensively characterized human ES (hES) cell line (ReliCellhES1) for testing the embryotoxic effects of compounds using cytotoxicity assays. Further, we performed real time gene expression analysis to check the alterations in germ layer markers expression upon drug treatment. The results show that assays using hES cells could serve as a reliable, sensitive and robust method to assess embryotoxic potential of compounds. They also provide a proof of concept that hES cells can be used as an in vitro model to demonstrate developmental toxicity, and to examine the germ layer-specific effects on differentiating EBs.
机译:胚胎干(ES)细胞是独特的,因为它们具有大量产生的潜力,并能够通过形成胚状体(EB)分化为三个胚层。该特性可以用作研究哺乳动物初始发育的指标。我们已经研究了具有全面特征的人类ES(hES)细胞系(ReliCellhES1)用于使用细胞毒性测定法测试化合物的胚胎毒性作用的效用。此外,我们进行了实时基因表达分析,以检查药物治疗后细菌层标记表达的变化。结果表明,使用hES细胞进行的测定可作为评估化合物胚胎毒性潜力的可靠,灵敏和可靠的方法。他们还提供了概念证明,即hES细胞可用作体外模型,以证明发育毒性,并检查对分化EB的细菌层特异性作用。

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