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相关概念视频

Preclinical Development: Overview01:28

Preclinical Development: Overview

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Preclinical development consists of a series of tests that ensure the safety and efficacy of a new therapeutic compound before it is tested in humans. There are four main phases to this process. First, safety pharmacology tests are conducted to ensure the drug does not produce any acutely harmful effects. These tests examine parameters such as bronchoconstriction, cardiac dysrhythmias, blood pressure changes, and ataxia. Next, preliminary toxicological testing is performed to determine the...
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Mutagenicity and Carcinogenicity01:25

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Mutagenicity and carcinogenicity refer to the ability of drugs to cause genetic defects and induce cancer, respectively. The International Agency for Research on Cancer (IARC) classifies agents into four groups based on their carcinogenic potential. Group 1 agents are known human carcinogens; group 2A agents are probably carcinogenic to humans; group 3 agents lack data to support their role in carcinogenesis; and group 4 includes agents for which data support that they are not likely to be...
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In Vitro Drug Release Testing: Overview, Development and Validation01:10

In Vitro Drug Release Testing: Overview, Development and Validation

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In vitro dissolution and drug release tests assess how quickly and how much of a drug is released from its dosage form into an aqueous medium under standardized laboratory conditions. These tests are essential tools in pharmaceutical development and quality assurance, offering insight into the drug's performance before clinical use.During formulation development, dissolution testing identifies incomplete or inconsistent drug release issues. It also supports decisions on selecting the optimal...
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相关实验视频

Updated: Jan 9, 2026

Human Pluripotent Stem Cell Based Developmental Toxicity Assays for Chemical Safety Screening and Systems Biology Data Generation
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发展性毒性测试的替代方法:特征,现状和未来方向

Inho Hwang1, Eui-Bae Jeung2

  • 1Laboratory of Veterinary Biochemistry and Molecular Biology, College of Veterinary Medicine, Chungbuk National University, Cheongju 28644, Korea.

Journal of veterinary science
|December 3, 2025
PubMed
概括
此摘要是机器生成的。

新的替代方法为评估发育毒性提供了道德和有效的方法,超越了传统的动物试验. 这些方法提高了药物安全性评估,并保护了公共健康.

关键词:
在体外 (in vitro) 技术.生物测定 生物测定计算生物学是计算生物学.有机生物有机物风险评估 风险评估 风险评估

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Developmental Toxicity Assay Based on Real-Time Monitoring of Fibroblast Growth Factor Signal Disruption in Human Induced Pluripotent Stem Cells
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Rapid Evaluation of Toxicity of Chemical Compounds Using Zebrafish Embryos
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相关实验视频

Last Updated: Jan 9, 2026

Human Pluripotent Stem Cell Based Developmental Toxicity Assays for Chemical Safety Screening and Systems Biology Data Generation
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科学领域:

  • 发展性毒理学 发展性毒理学
  • 监管科学是一种监管科学.
  • 在体外毒理学.

背景情况:

  • 早期发育至关重要,对毒性影响敏感.
  • 针对发育性毒性的传统动物试验存在局限性 (成本,伦理,物种差异).
  • 药物和化学品安全评估中越来越需要可靠的替代方法.

研究的目的:

  • 审查目前用于发育毒性测试的替代方法.
  • 检查机构在采用这些新方法方面的努力.
  • 讨论该领域的未来方向.

主要方法:

  • 对新方法方法 (NAMs) 的审查,包括胚胎体测试,有机体和斑马鱼模型.
  • 整合体外数据与预测模型,如机器学习.
  • 审查监管机构倡议 (例如,经合组织) 促进方法接受.

主要成果:

  • 胚胎体检和有机体检等替代方法提供更快,可重复和与人类相关的毒性评估.
  • 斑马鱼模型为形态和行为评估提供了验证的终点.
  • 预测模型在与体外数据相结合时,可以增强基于机制的分析.

结论:

  • 替代方法为发展性毒性评估提供道德和理性的方法.
  • 整合到监管科学中,有助于在临床开发和公共卫生方面做出早期安全决策.
  • 利益相关方的合作对于更广泛的采用和指导方针的修订至关重要.