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生物打印的光电子活性心脏组织.

Faheem Ershad1,2,3, Zhoulyu Rao4,5, Sushila Maharajan6

  • 1Department of Electrical and Computer Engineering, University of Illinois Urbana-Champaign, Urbana, IL 61801, USA.

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概括
此摘要是机器生成的。

研究人员使用光电子活性支架开发出可打印,可光刺激的心脏组织. 这种非侵入性方法可以无线控制心脏组织的跳动,为心脏病提供了一个有前途的新疗法.

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科学领域:

  • 生物医学工程 生物医学工程
  • 组织工程是组织工程.
  • 光电学是指光电子产品.

背景情况:

  • 生物打印组织的电刺激受到侵入性方法和潜在的细胞损伤的限制.
  • 目前的心脏调制疗法通常需要有线电极和基因修改.

研究的目的:

  • 开发一种无线,非侵入性的方法来控制心脏组织活动.
  • 创建光刺激,光电子活性组织用于心脏调节.

主要方法:

  • 用微型太阳能电池嵌入的凝甲基烯酸脚手架的制造.
  • 用心肌细胞播种脚手架,以形成光电子活性组织.
  • 使用脉冲光进行光电子刺激以调节心跳.

主要成果:

  • 光刺激会使心肌细胞跳动率提高40%以上.
  • 在光刺激期间保持高细胞活力 (>96%).
  • 在老鼠体内成功加速了心跳.

结论:

  • 光电子活性支架使心脏组织的无,非侵入性和无损的调制成为可能.
  • 这项技术为未来对电活性组织的治疗提供了可打印和可光学控制的解决方案.
  • 开发的光电子活性组织代表了无线心脏调制的重大进步.