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KMID : 1137820190400050165
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의공학회지
2019 Volume.40 No. 5 p.165 ~ p.170
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Study on the Cell Adhesion of Breast Cancer Cells using Nano/Micro Patterning PDMS
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Kwak Do-Hoon
Kim Woo-Cheol
Jin Hee-Won
Yun Wan-Su
Park Sang-Hyo
Key Jae-Hong
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Abstract
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Cancer cells are different from normal cells in terms of life cycle, behavior, and growth patterns. Cancer cells can migrate freely in the body through blood vessels and lymph nodes. The cancer cells easily interact with various substrates including extracellular matrix and vessels and they can differentiate in the new environment. However, it is not well known about the adhesion preference of cancer cells on the substrate and the mechanism of their interaction. In this study, we prepared the nano-, micro-patterned substrates using E-beam lithography techniques. MCF-7 cells were tested on the substrates to find out their adhesion preference. The substrates were made by polydimethylsiloxane (PDMS) with specific patterns including pillars with a diameter of 500 nm, 700 nm, 3 μm and 5 μm. MCF-7 cells were seeded on the substrates and incubated for 24 hours. As a result, this study clearly demonstrated that the MCF-7 cells preferred 700 nm patterning.
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KEYWORD
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MCF-7 cell, Cell adhesion, Isotropic pattern, Polydimethylsiloxane
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