超高分辨率芯片:一种体外平台,可实现共同培养和3D系统的超高分辨率显微镜
Ofir Sade1,2, Ronja Boneberg3,4, Yifat Weiss1,5,6
1School of Neurobiology, Biochemistry and Biophysics, The George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel.
Biomedical optics express
|October 19, 2023
概括
研究人员开发了Super-Res-Chip,这是一个用于3D培养细胞高级成像的新平台. 这种器官在芯片上的技术使得超分辨率显微镜 (SRM) 能够研究复杂细胞环境中的分子变化.
科学领域:
- 生物技术是生物技术.
- 细胞生物学 细胞生物学
- 显微镜的使用方法
背景情况:
- 在芯片上的器官平台模仿人体生理在体外细胞培养.
- 集成先进的成像,如超分辨率显微镜 (SRM),与这些平台仍然具有挑战性.
- 现有的SRM兼容平台往往缺乏3D共文化功能,或者使用起来很复杂.
研究的目的:
- 开发一个集成的器官在芯片平台,使得复杂的细胞研究超分辨率显微镜.
- 创建一个用户友好的芯片,支持2D和3D共同培养,从膜的两侧进行高分辨率成像.
- 使用开发的平台,研究共同培养的内皮细胞和上皮细胞中的分子变化.
主要方法:
- 开发了Super-Res-Chip:一种3D打印的设备,具有多孔膜,用于细胞共同培养.
- 使用直接随机光学重建显微镜 (dSTORM) 进行分子成像.
- 共同培养的内皮和上皮细胞,包括质母细胞细胞,在2D和3D配置.
主要成果:
- 超分辨率芯片成功实现了膜两侧的超分辨率显微镜 (SRM).
- 在2D和3D培养中实现了高空间分辨率 (20-30nm在xy中,10-20nm直接).
- 对Connexin43分布的分析显示了群集密度的差异,但不是数量,大小或半径的差异.
结论:
- 超级分辨率芯片平台可轻松描述分子级复杂的细胞过程.
- 这项技术提高了复杂的细胞组织的单分子分辨率成像能力.
- 该平台为研究细胞与细胞相互作用和分子动力学在生理学上相关的3D模型中提供了改进的能力.
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