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DOI: 10.3791/53989-v
Brian Burkel1,2, Brett A. Morris1, Suzanne M. Ponik1, Kristin M. Riching1, Kevin W. Eliceiri2,3,4, Patricia J. Keely1,2,5
1Department of Cell and Regenerative Biology,University of Wisconsin-Madison, 2Laboratory for Optical and Computational Instrumentation,University of Wisconsin-Madison, 3Department of Biomedical Engineering,University of Wisconsin-Madison, 4Morgridge Institute for Research,University of Wisconsin-Madison, 5Paul P. Carbone Comprehensive Cancer center,University of Wisconsin-Madison
Please note that some of the translations on this page are AI generated. Click here for the English version.
胶原是细胞外基质的核心组件,并提供必要的暗示了几个细胞过程,从移植到分化和增殖。这里提供了一种用于三维胶原凝胶内嵌入电池的协议,和用于产生使用的PDMS微通道的随机或对齐胶原基质的更先进的技术。
该程序的总体目标是生成对齐和随机的 3D 胶原蛋白基质,以便在 3D 环境背景下观察细胞迁移或其他细胞过程。这种方法旨在捕获我们在真实组织中发现的胶原蛋白特征,这有助于回答关键问题,例如细胞用于识别对齐或随机细胞外基质的机制。这种技术的主要优点是您可以纵 3D 环境的组织、其中的图像单元,并且您可以使用常用设备经济高效地完成此作。
一般来说,刚接触这种方法的人会很挣扎,因为他们没有很好地混合胶原蛋白溶液和中和缓冲液,并且他们不一致地通过通道吸收胶原蛋白。演示此程序的是 Brian Burkel,他是我实验室的高级科学家。首先,在添加细胞和培养基之前,将胶原蛋白和 HEPES 缓冲液彻底混合,以确保胶原蛋白的正确中和。
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