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相关概念视频

iChip01:24

iChip

The cultivation of environmental microorganisms has long been hindered by the inability to replicate complex native conditions in vitro. The isolation chip (iChip) addresses this limitation by facilitating the growth of previously uncultivable microorganisms through in situ incubation. Designed for high-throughput microbial cultivation, the iChip comprises hundreds of microchambers, each capable of housing a single microbial cell. These microchambers are loaded with a mixture of molten agar and...

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肠道芯片上的细胞用于透性研究.

Marit Keuper-Navis1, Hossein Eslami Amirabadi2,3, Joanne Donkers1

  • 1Department of Metabolic Health Research, Netherlands Organisation for Applied Scientific Research (TNO), 2333 BE Leiden, The Netherlands.

Micromachines
|January 8, 2025
PubMed
概括

一个带有3D打印的磁盘的新型肠上芯片系统,可以准确测量肠道透率. 这种灵活的模型通过模仿人类小肠壁垒来改善药物化合物的临床前测试.

关键词:
细胞单层细胞单层.在体外模型模型中的体外模型.肠道吸收 肠道吸收肠道屏障 肠道屏障 肠道屏障在芯片上的肠道.透性 透性的

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科学领域:

  • 生物医学工程 生物医学工程
  • 药物发现 药物发现 药物发现
  • 在体外建模模型.

背景情况:

  • 需要准确的临床前体外模型来评估肠道透性.
  • 现有的肠上芯片系统需要进一步优化其特异性,完整性和复杂性.

研究的目的:

  • 开发和验证一种新的肠上芯片系统,以改善肠道透性研究.
  • 加强用于药物化合物评估的临床前测试平台.

主要方法:

  • 通过使用3D打印的光盘,调整了已建立的肠上芯片模型,用于细胞单层培养.
  • 在静态和动态流量条件下研究了膜特性和标准化读数.
  • 将结果与传统的静态透性研究进行比较.

主要成果:

  • 3D打印的磁盘支持准确的Caco-2和人体体单层形成.
  • 该芯片准确地检测了层状流下屏障完整性和化合物透性.
  • 流动动力学和膜性质都对透性结果产生了重大影响.

结论:

  • 新型肠道芯片上的细胞系统为透性研究提供了高度灵活性.
  • 为了实现该系统的全部潜力,需要对各种化合物进行进一步的验证.
  • 这种模型推进了对人类小肠屏障的临床前评估.