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基于等离子散射显微镜的细胞基质粘附结构的实时三维成像

Qihao Sun¹, Zuyao Wang¹, Zongyan Zhang¹

¹School of Electronic Science and Engineering, Southest University, Nanjing 211189, China.

|August 28, 2025

概括

这项研究引入了一种新的等离子散射显微镜 (PSM) 技术,用于实时对细胞基质相互作用进行3D分析. 该方法提供高空间分辨率的细胞粘附动态的无标签监测.

科学领域:

细胞生物力学
生物物理
显微镜

背景情况:

实时监测细胞基质相互作用至关重要但具有挑战性.
了解细胞粘附动态需要高分辨率的成像技术.

研究的目的:

开发和验证一种新的显微镜系统,用于实时对细胞基质接口进行3D分析.
使用无标签成像来研究动态细胞粘附模式.

主要方法:

与3D图像重建的等离子散射显微镜 (PSM) 的整合.
使用已知几何形状的微球进行验证.
对MCF-7细胞-Ag基质接口进行3D映射.

主要成果:

在实时分析中实现微米空间分辨率.
重建的图像显示平均确定系数为86%.
确定了三个不同的细胞基质接触模式及其动态粘附间隙范围.

结论:

开发的PSM系统可以无标签的实时监测3D细胞基质粘附动态.
这项技术为细胞粘附机制提供了宝贵的见解.
作为分析细胞粘附动态的工具的潜力.

关键词:

基底细胞膜的动态细胞 - 基板粘附间隙塑散射显微镜表面等离子体共振三维重建

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