通过在水凝矩阵中的三维引力显微镜对多细胞早期血管发芽过程中的机械力进行研究
Apeksha Shapeti1, Janne de Jong2, Jorge Barrasa-Fano2
1KU Leuven, Department of Mechanical Engineering, Biomechanics section, Leuven, Belgium. apeksha.shapeti@kuleuven.be.
Nature protocols
|January 23, 2026
概括
这项研究引入了一种新的3D力显微镜 (TFM) 方法,用于测量血管生成期间的细胞力量. 该协议可以在仿生环境中详细分析细胞矩阵相互作用和矩阵降解.
科学领域:
- 生物物理学的生物物理.
- 细胞生物学 细胞生物学
- 生物材料科学 生物材料科学
背景情况:
- 在3D血管生成中测量细胞力量是复杂的.
- 现有的力显微镜 (TFM) 方法仅限于2D或3D凝中的单细胞.
- 了解血管生成中的机械调节需要先进的成像技术.
研究的目的:
- 开发和验证3DTFM在生物模拟矩阵内血管发芽的协议.
- 为了使细胞-细胞外矩阵 (ECM) 力量和矩阵降解的可视化和分析.
- 为研究各种条件下的血管生成提供可复制的系统.
主要方法:
- 在生物模拟矩阵中模仿和成像血管发芽的协议.
- 集成3D TFM用于力测量和矩阵降解可视化.
- 使用开源TFMLAB软件进行数据分析.
- 免疫光和细胞检索的协议用于下游分析.
主要成果:
- 开发的试验允许更高的通量数据获取细胞-ECM力量.
- 该协议能够准确的成像,分析和解释血管生成过程中的力量.
- 该系统支持研究细胞力量和矩阵降解,以应对各种干扰.
结论:
- 这种试验为研究血管生成中的机械力提供了一个定义和可重复的系统.
- 该协议促进了对细胞内在信号,混合细胞种群和ECM线索的研究.
- 工作流可以在编程,生物物理学或分子生物学方面获得最低限度的先前专业知识.
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