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首页> 外文期刊>Biomedical Microdevices >Matrigel coated polydimethylsiloxane based microfluidic devices for studying metastatic and non-metastatic cancer cell invasion and migration
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Matrigel coated polydimethylsiloxane based microfluidic devices for studying metastatic and non-metastatic cancer cell invasion and migration

机译:基于Matrigel涂层的聚二甲基硅氧烷微流体装置,用于研究转移性和非转移性癌细胞的侵袭和迁移

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摘要

Three-dimensional (3-D) extracellular matrices (ECM) allow complex biochemical and biophysical interactions between cells and matrices. Unlike 2-D systems, 3-D models provide a better representation of the micro and local environments in living tissues for facilitating the physiological study of cell migration. Here, we report a microfluidic device based on polydimethylsiloxane (PDMS) for monitoring 3-D cell migration across ECM-coated microgaps with real-time light microscopy. We tracked the migration of the invasive MDA-MB-231 (mammary carcinoma) cells and mapped out their migration paths. It enabled us to quantify the percentage of migrated cells as well as migration information of individual cells. This wide spectrum of data acquisition is vital for elucidating the migration capabilities of different type of cells and to understand the basic mechanism involved in cancer metastasis.
机译:三维(3-D)细胞外基质(ECM)允许细胞和基质之间进行复杂的生化和生物物理相互作用。与2-D系统不同,3-D模型可以更好地表示活组织中的微观和局部环境,以促进细胞迁移的生理研究。在这里,我们报告了一种基于聚二甲基硅氧烷(PDMS)的微流控设备,用于通过实时光学显微镜监测3-D细胞在ECM涂层微间隙之间的迁移。我们跟踪了侵袭性MDA-MB-231(乳腺癌)细胞的迁移,并绘制了它们的迁移路径。它使我们能够量化迁移细胞的百分比以及单个细胞的迁移信息。如此广泛的数据采集对于阐明不同类型细胞的迁移能力以及了解癌症转移所涉及的基本机制至关重要。

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