通过药物代谢的人性化模型加速传染病药物发现和开发
A Kenneth MacLeod1, Kevin-Sebastien Coquelin2, Leticia Huertas3
1Drug Discovery Unit, Wellcome Centre for Anti-Infectives Research, Division of Biological Chemistry, University of Dundee, Dundee DD1 5EH, United Kingdom.
人性化小鼠 (8HUM) 通过模仿人类药物代谢来改善药物发现,减少失败并增强临床翻译. 该模型准确地预测药物相互作用和治疗疾病的疗效,加速新药的开发.
科学领域:
- 药理学 药理学是指药理学的学科.
- 药物新陈代谢 药物新陈代谢
- 临床前研究 临床前研究
背景情况:
- 在小鼠模型中进行临床前疗效测试对于药物发现至关重要.
- 特定于小鼠的药物代谢途径可能会阻碍转化到临床环境.
- 细胞染色体P450酶在药物代谢中起着重要作用.
研究的目的:
- 评估一个人性化的小鼠模型 (8HUM),以改善临床前药物疗效评估.
- 为了确定8HUM小鼠是否更好地预测人类的药理动力学和药物相互作用 (DDI).
- 评估8HUM小鼠在模拟传染病和捕获代谢负担方面的实用性.
主要方法:
- 开发了一种针对细胞染色体P450基因广泛人性化的小鼠基因 (8HUM).
- 在8HUM和野生类型小鼠中批准药物的药理动力学和代谢物概况.
- 在8HUM模型中评估药物相互作用 (DDI).
- 在*Mycobacterium tuberculosis*,*Leishmania donovani*和*Trypanosoma cruzi*感染模型中对8HUM小鼠进行评估.
主要成果:
- 8HUM小鼠表现出与人类临床观察密切一致的药理动力学,代谢物概况和DDI.
- 8HUM小鼠中的传染病模型耐受性良好,允许进行疗效评估.
- 在8HUM中绕过了小鼠特定的代谢负债,而在临床上捕获了相关的活性代谢物和DDI影响.
- 使用8HUM模型观察到,化合物磨损减少和改善临床结果的预测.
结论:
- 8HUM人性化小鼠模型有效地减少了药物代谢中的物种差异.
- 这种模型提高了临床前疗效测试的准确性,并改善了临床翻译.
- 使用8HUM小鼠可以通过尽量减少磨损和提高预测价值来加速药物发现.
更多相关视频
07:23Author Spotlight: Developing a Simple and Robust Hepatic Model for Pharmacological and Toxicological Applications
Published on: October 20, 2023
08:04In Vitro Three-Dimensional Sprouting Assay of Angiogenesis Using Mouse Embryonic Stem Cells for Vascular Disease Modeling and Drug Testing
Published on: May 11, 2021
相关概念视频
Physiological Pharmacokinetic Models: Incorporating Hepatic Transporter-Mediated Clearance
A recent model describes pravastatin's hepatobiliary excretion,...
Drug Discovery: Overview
Pharmacokinetic Models: Overview
There are three primary types of models: empirical, compartment, and physiological. Empirical models, with minimal...
Pharmacokinetic Models: Comparison and Selection Criterion
Physiological models take a detailed approach by considering specific molecular processes. They can predict drug distribution, metabolism, and elimination changes, providing a comprehensive understanding of how drugs interact with the body.
Factors Affecting Drug Biotransformation: Biological
Species differences: Variations in enzyme systems across species can cause disparities in drug metabolism. For instance, humans may metabolize certain drugs faster than rodents, altering therapeutic effects.
Strain differences: Genetic variations within a species can result in differing enzyme activity, impacting drug response and toxicity. For example, some mouse strains may...
Drug Biotransformation: Overview
