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Open AccessArticle

Effect of Mechanical Compression on Invasion Process of Malignant Melanoma Using In Vitro Three-Dimensional Cell Culture Device

1
Graduate School of Science and Technology, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan
2
Department of Mechanical Engineering, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan
*
Author to whom correspondence should be addressed.
Micromachines 2019, 10(10), 666; https://doi.org/10.3390/mi10100666
Received: 13 September 2019 / Revised: 27 September 2019 / Accepted: 28 September 2019 / Published: 30 September 2019
(This article belongs to the Section B:Biology)
Malignant melanoma in the plantar surface of the foot is subjected to various mechanical stimuli generated by daily human activity such as walking. Some studies have reported that mechanical compression affects the development and progression of melanoma. However, little is known about how mechanical compression affects the behavior of malignant melanoma cells in a physiological condition due to the complexity of the invasion mechanisms. In this study, we developed an in vitro three-dimensional cell culture device using microporous membrane in order to evaluate the effects of mechanical compression on the invasion process of malignant melanoma. Our results suggest that the invasion of melanoma cells under the compressive stress for 8 h of culture was promoted with the elongation of F-actin filaments compared to control groups, whereas there was no significant difference between both groups at 32 h of culture, with increasing cell death associated with promoting melanin synthesis. The results of this study contribute to the elucidation of the invasion mechanisms of malignant melanoma caused by mechanical stimulation. View Full-Text
Keywords: mechanical compression; malignant melanoma; cell invasion; in vitro cell culture model; melanin synthesis mechanical compression; malignant melanoma; cell invasion; in vitro cell culture model; melanin synthesis
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Morikura, T.; Miyata, S. Effect of Mechanical Compression on Invasion Process of Malignant Melanoma Using In Vitro Three-Dimensional Cell Culture Device. Micromachines 2019, 10, 666.

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