BMDx2:一种用于整合基于毒基因组学的剂量依赖分析和基于AOP的机制洞察力的工具
Angela Serra1,2, Michele Fratello1, Giorgia Migliaccio1
1Finnish Hub for Development and Validation of Integrated Approaches (FHAIVE), Faculty of Medicine and Health Technology, Tampere University, Tampere, 33100, Finland.
Small methods
|November 13, 2025
概括
一个新的工具BMDx2将毒基因组学数据转化为基于机制的化学安全证据. 它有助于排名化学功效和理解暴露效应,加速监管毒理学.
科学领域:
- 毒理学 毒理学 毒理学
- 计算生物学 计算生物学
- 基因组学就是基因组学.
背景情况:
- 监管毒理学正在努力将omics数据整合到机制固的安全评估中.
- 基因中心分析往往无法将分子变化与不良结果联系起来.
- 弥合这个差距需要从毒素基因组学数据中获得定量,机械的指标.
研究的目的:
- 开发BMDx2,一个开源工具,用于将多剂量毒基因组学数据集转化为化学安全评估的定量,机械证据.
- 通过将基准剂量建模与不良结果途径 (AOP) 丰富,使监管毒理学的机制定指标成为可能.
- 通过案例研究来说明BMDx2在表征化学作用机制方面的多功能性.
主要方法:
- BMDx2对的基准剂量建模与不良结果途径 (AOP) 丰富.
- 该工具从多剂量毒基因组学数据 (微阵列,RNA测序) 来得出基于转录基因的起点.
- 涉及碳纳米管和白素暴露的案例研究被用来证明BMDx2的能力.
主要成果:
- BMDx2处理各种毒基因组学数据,以获得机械洞察力.
- 案例研究表明,BMDx2能够识别纤维化 (碳纳米管) 中的细胞重编程,并将转录组学映射到AOP (白素).
- 该工具可以实现强度排名,化学优先级和机械定解释.
结论:
- 通过提供基于机制的证据,BMDx2促进了毒基因组学的监管应用.
- 该工具加速了基于机制的化学安全评估.
- BMDx2支持标准化,监管适当使用转录数据进行安全评估.
相关概念视频
01:12Analysis of Population Pharmacokinetic Data
659
Analysis of population pharmacokinetic data involves studying the behavior of drugs within diverse populations to understand their pharmacokinetic parameters. Traditional pharmacokinetic methods typically involve collecting samples from a few individuals and estimating these parameters. While these methods are commonly used, they have limitations in capturing the variability in drug response among individuals or heterogeneous populations. Population pharmacokinetics is employed to address these...
659
01:16Therapeutic Drug Monitoring: Overview and Classification
282
Therapeutic Drug Monitoring (TDM) is a clinical practice that measures specific drug levels in a patient's blood at designated intervals to ensure the drug concentration stays within a therapeutic range. This monitoring is crucial for optimizing individual dosage regimens, enhancing therapeutic efficacy, and minimizing drug-related toxicity. TDM is vital for drugs with narrow therapeutic windows, significant variability in pharmacokinetics, and a clear correlation between plasma levels and...
282
01:03Dose-Response Relationship: Overview
4.8K
Agonists can bind with and activate receptors, resulting in the formation of drug-receptor complexes. Once formed, these complexes catalyze many biochemical processes at the cellular level and subsequently induce a pharmacologic response. The degree of response is directly proportional to the fraction of activated receptors, which in turn, depends on the concentration of the drug at the receptor site as well as the sensitivity of the receptor. An increase in the administered dose contributes to...
4.8K
01:26Therapeutic Drug Monitoring: Drug Analysis Methods
168
Therapeutic Drug Monitoring (TDM) is a clinical practice that measures specific drug levels in a patient's blood or body tissues to tailor drug therapy effectively. This monitoring is critical for managing drugs with narrow therapeutic indices like digoxin and phenytoin, ensuring they are both safe and effective. For instance, monitoring theophylline levels in asthma patients involves precision and sensitivity to adjust doses according to individual responses to therapy, ensuring efficacy and...
168
01:20Pharmacokinetic Models: Overview
1.8K
Pharmacokinetic models utilize mathematical analysis to achieve a detailed quantitative understanding of a drug's life cycle within the body. They are instrumental in simulating a drug's pharmacokinetic parameters, predicting drug concentrations over time, optimizing dosage regimens, linking concentrations with pharmacologic activity, and estimating potential toxicity.
There are three primary types of models: empirical, compartment, and physiological. Empirical models, with minimal...
There are three primary types of models: empirical, compartment, and physiological. Empirical models, with minimal...
1.8K