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用于基因毒性测试的3D肝脏模型

Gillian E Conway1, Ume-Kulsoom Shah1, Michael J Burgum1

  • 1In Vitro Toxicology Group, Institute of Life Science, Swansea University Medical School, Swansea, Wales, UK.

Methods in molecular biology (Clifton, N.J.)
|November 22, 2025
PubMed
概括

新的3D肝模型提供了先进的体外基因毒性测试,支持动物试验的3R (替代,减少,改进). 这些模型准确评估DNA损伤,这对于产品安全和癌症风险评估至关重要.

关键词:
三维模型是3D模型.造成的DNA损伤是DNA损伤.肝细胞是肝脏中的细胞.这是一个微核.突变突变是一种突变.新方法方法论新方法方法论

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科学领域:

  • 毒理学 毒理学 毒理学
  • 细胞生物学 细胞生物学
  • 生物技术是生物技术.

背景情况:

  • 基因毒性测试对于评估新产品安全性至关重要,评估与癌症风险相关的DNA损伤潜力.
  • 3Rs (替代,减少,改进) 倡议促进体外方法,包括新方法方法 (NAMs),以减少动物试验.
  • 人体3D组织模型,特别是肝脏模型,对于体外研究是有价值的,因为它们与2D培养相比,对肝脏特异性酶的增强表达有价值.

研究的目的:

  • 详细介绍使用3D肝细胞模型进行基因毒性测试的方法.
  • 调整微核测定以用于DNA损伤评估的3D肝脏模型.
  • 探索这些3D肝脏模型的纳米材料评估和其他应用的修改.

主要方法:

  • 利用3D肝细胞模型来研究DNA损伤诱导.
  • 在3D肝脏模型系统中采用了微核测试,一种标准的基因毒性测试.
  • 开发和改进了应用这些方法评估基因毒性的协议,包括纳米材料.

主要成果:

  • 证明了微核试验在3D肝脏模型中的成功应用,用于基因毒性测试.
  • 展示了3D肝脏模型在回顾人肝脏生理学的实用性,用于体外安全评估.
  • 为特定应用 (如纳米材料测试) 提供了方法调整的见解.

结论:

  • 3D肝细胞模型为体外基因毒性测试提供了一个更具生理相关性的平台.
  • 这些先进的体外模型通过为安全性评估提供动物试验的可行替代方案来支持3Rs.
  • 所介绍的方法使得DNA损伤的评估可靠,有助于开发更安全的产品.