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芯片上的仿生骨血管接口用于模拟牙周生理和病理微环境.

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关键词:
骨-血管界面的接口这是一种炎症炎症炎症炎症.微流体技术的微流体技术器官在芯片上的器官

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科学领域:

  • 生物医学工程 生物医学工程
  • 口腔生物学 口腔生物学
  • 血管生物学 血管生物学

背景情况:

  • 牙周炎会导致骨质损失和牙损失.
  • 牙周炎可以通过血液循环导致全身性疾病.
  • 内皮细胞对于疾病进展至关重要.

研究的目的:

  • 在芯片上开发微流体骨血管接口.
  • 为了模拟牙周炎的炎症微环境.
  • 为了研究牙周炎对血管和骨组织的影响.

主要方法:

  • 在芯片上共同培养人类骨髓中介质干细胞 (hBMSC) 和人类静脉内皮细胞 (HUVEC).
  • 从 Porphyromonas gingivalis 和 TNF-α 中引入脂多糖 (LPS) 来诱导炎症.
  • 评估内皮屏障功能,细胞粘附和骨标记物表达.

主要成果:

  • 该芯片成功培养了hBMSC和HUVEC,形成了一个功能性血管屏障.
  • 炎症条件破坏了内皮细胞结合,并增加了单细胞粘附.
  • 在炎症条件下,骨形成标记物减少.

结论:

  • 芯片上的骨血管接口有效地模拟了牙周炎引起的炎症.
  • 这个平台可以研究牙周炎对血管和骨组织的影响.
  • 它为开发针对炎症疾病的向治疗提供了新的途径.