使用可组装微流体 (STEAM) 进行悬浮组织工程
Amanda J Haack1,2, Jamison M Whitten1, Liam A Knudsen3
1Department of Chemistry, University of Washington, Seattle, WA, 98195 USA.
bioRxiv : the preprint server for biology
|November 24, 2025
概括
使用可组装微流体 (STEAM) 的悬浮组织工程可以创建复杂的多区域组织模型. 该平台集成了空间模式和机械操纵,用于先进的体外组织工程.
科学领域:
- 生物材料工程 生物材料工程
- 组织工程是组织工程.
- 微流体学 微流体学
背景情况:
- 组织发育依赖于复杂的时空机械和化学线索.
- 试验室模型需要将空间图案与机械操纵相结合,以进行准确的物理化学模拟.
- 现有的微生理系统在复制异质组织环境时面临挑战.
研究的目的:
- 介绍Suspended Tissue Engineering with Assemblable Microfluidics (STEAM),这是一个模块化平台,用于制造空间异质的悬浮组织.
- 允许精确控制组织架构和机械特性,用于体外建模.
- 促进研究细胞对联合空间和机械线索的反应.
主要方法:
- 使用微流体原理,具有毛细血管结特征,用于控制水凝前体流量.
- 开发了一个模块化制造平台,允许多区域和堆叠的组织结构.
- 实现了制造后的静态拉伸,用于机械操纵和应变诱导.
- 修改了流体通道几何,以产生非平面悬浮组织架构.
主要成果:
- 实现了具有多个定义区域的空间异质悬浮组织结构.
- 证明了成功的制造后机械操纵,在肌肉组织模型中诱导应变和肌管对齐.
- 通过改变微流体通道几何形状,生成复杂的非平面悬浮组织.
- 蒸汽组织表现出多功能性,允许在实验设置之间轻松转移.
结论:
- STEAM提供了一种基于微流体的多功能平台,用于生成复杂的悬浮组织.
- 该平台整合了图案精度,机械功能和实验灵活性.
- STEAM 便于模拟受空间组织和机械力量相互作用影响的组织行为.
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