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相关概念视频

In-vitro Mutagenesis01:16

In-vitro Mutagenesis

To learn more about the function of a gene, researchers can observe what happens when the gene is inactivated or “knocked out,” by creating genetically engineered knockout animals. Knockout mice have been particularly useful as models for human diseases such as cancer, Parkinson’s disease, and diabetes.

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相关实验视频

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Mouse in Utero Electroporation: Controlled Spatiotemporal Gene Transfection
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一个电遗传界面来通过直流电流编程哺乳动物基因表达.

Jinbo Huang1, Shuai Xue1, Peter Buchmann1

  • 1Department of Biosystems Science and Engineering, ETH Zurich, Basel, Switzerland.

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概括

研究人员开发了一种新的电遗传界面,即直流 (DC) 激活调节技术 (DART),使可穿戴设备能够控制基因表达. 这一突破允许直接编程代谢干预,如胰岛素释放,使用简单的直流电源.

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科学领域:

  • 生物医学工程 生物医学工程
  • 合成生物学 合成生物学
  • 可穿戴技术可穿戴技术

背景情况:

  • 可穿戴设备收集健康数据,但缺乏直接的基因治疗控制.
  • 需要一个直接的电遗传接口来弥合这个差距.
  • 目前的方法无法通过可穿戴设备直接编程基因疗法.

研究的目的:

  • 开发用于基因治疗编程的直接电遗传接口.
  • 为了使可穿戴设备能够控制转基因表达.
  • 展示个性化代谢干预的新方法.

主要方法:

  • 发展直流 (DC) 驱动调节技术 (DART).
  • 使用直流电源来产生活性氧物种,用于生物传感器介导的促进器调节.
  • 在1型糖尿病小鼠模型中使用透皮刺激进行概念验证研究.

主要成果:

  • DART可实现电极介导,时间和电压依赖的转基因表达.
  • 非有毒的活性氧物种可逆微调合成促进剂.
  • 在糖尿病小鼠中通过皮肤刺激通过刺激胰岛素释放恢复了正常血糖.

结论:

  • DART为可穿戴设备提供了缺少的电遗传接口.
  • 这项技术可以直接编程代谢干预措施.
  • 未来的应用包括由可穿戴电子设备控制的个性化疗法.