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High-Throughput Testing-The NRC Vision, The Challenge of Modeling Dynamic Changes in Biological Systems, and the Reality of Low-Throughput Environmental Health Decision Making

机译:高通量测试-NRC愿景,对生物系统动态变化建模的挑战以及低通量环境健康决策的现实

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摘要

An NRC report Toxicity Testing in the 21st Century calls for a long-term project to replace much in vivo animal testing for "apical" endpoints (end results of pathological processes). It would substitute a large ensemble of high-throughput in vitro test systems involving short-term changes in gene expression intended to identify concentrations of environmental chemicals that sufficiently perturb particular toxicity pathways (in tissue culture cells derived from humans) to be of concern. This proposal would direct major future toxicity testing resources to inform choices on the use of many poorly studied chemicals within the traditional no-effect-level paradigm, and without quantitative assessment of benefits as reductions in health risks and associated uncertainties.
机译:NRC的报告《 21世纪的毒性测试》呼吁建立一个长期的项目,以替代“顶点”终点(病理过程的最终结果)的许多体内动物测试。它可以替代大型的高通量体外测试系统,其中涉及基因表达的短期变化,旨在确定足以扰乱特定毒性途径(在源自人的组织培养细胞中)引起关注的环境化学品的浓度。该提案将指导未来的主要毒性测试资源,以指导在传统的无效果水平范式下使用许多研究不足的化学品的选择,而无需对降低健康风险和相关不确定性的益处进行定量评估。

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  • 来源
    《Risk analysis》 |2009年第4期|483-484|共2页
  • 作者

    Dale Hattis;

  • 作者单位

    Clark University, 950 Main St., Worcester, MA 01610, USA;

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  • 正文语种 eng
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