编码的细胞物质相互作用以重定向细胞因子信号传递,用于再生医学
Zachary M Eidman1, Jhanvi Sharma1, Joanne C Lee1
1Department of Biomedical Engineering, Vanderbilt University, Nashville, TN.
bioRxiv : the preprint server for biology
|November 24, 2025
概括
研究人员开发了nMATRIX,这是一个用于再生工程的新型材料细胞平台. 这个系统使细胞能够感知并响应可溶性炎症信号,提供自我调节的治疗潜力.
科学领域:
- 再生工程是再生的工程.
- 材料科学 材料科学 材料科学
- 干细胞生物学 干细胞生物学
背景情况:
- 目前的再生工程策略缺乏自我调节的反,用于细胞感知微环境变化.
- 设计材料已经进步,但动态细胞反应的有效方法仍然有限.
研究的目的:
- 开发一种材料细胞平台 (nMATRIX),用于感知可溶性联体并指导细胞反应.
- 为了使合成Notch (synNotch) 受体能够检测单体细胞因子,并提供可调节的灵敏度.
主要方法:
- 利用合成的Notch (synNotch) 受体进行细胞因子检测.
- 设计了nMATRIX平台,以共同设计用于连接体检测的材料和细胞.
- 调整了nMATRIX以识别IL-1β和IL-6介质蛋白用于编程的基因电路.
- 集成的SNIPR合成受体平台用于增强功能.
主要成果:
- 通过可溶性多聚合物细胞因子的synNotch激活,其动态范围高达24倍.
- 使用nMATRIX检测IL-1β和IL-6的动态范围达到了68倍.
- 展示了nMATRIX将炎症信号转化为正交输出的能力,重编程细胞表型.
- 将炎症线索重新定位为抗炎信号,使巨细胞偏向抗炎状态.
结论:
- nMATRIX为自我调节的再生疗法提供了一种灵活的,基于材料的方法.
- 该平台将本地可溶性线索与可调节灵敏度的定制细胞反应结合起来.
- 这项技术提供了一种新的方式来控制细胞行为,以响应微环境线索.
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