Abstract
Objectives
To build a three-dimensional co-culture model in a microfluidic device for cancer research and evaluate its feasibility by investigating cancer stem-like cells (SCs) induced migration of human umbilical vein endothelial cells (ECs).
Results
The microfluidic device provided two-dimensional and three-dimensional (2D/3D) culture and co-culture environments without affecting cell viability. The device also provided an effective concentration for the chemiotaxis of cells, and to support real-time monitoring of cell behavior. In this model, SCs significantly increased the migration area of ECs with a hepatocarcinoma cell line (MHCC97H; MCs). The presence of ECs also induced both MCs and SCs invasion into Matrigel. The migration area of MCs and SCs significantly increased when co-cultured with ECs.
Conclusions
This 3D co-culture microfluidic model is a suitable model in cancer research. Compared with MCs, SCs had greater potential in inducing EC migration and interacting with ECs.
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Acknowledgements
This work was supported by the Visiting Scholar Foundation of Key Laboratory of Biorheological Science and Technology (Chongqing University), the Ministry of Education (No. CQKLBST-2015-007), the National Natural Science Foundation of China (NNSFC 11172339) and the Open Fund of Chongqing University of Large Instruments and Equipment.
Supporting information
Supplementary material A—methods of experiments without the microfluidic device.
Supplementary material B—demonstration of the factors across the gel channel.
Supplementary Fig. 1—the viability and morphology of MCs and SCs suspended in 3D Matrigel.
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Zhao, Y., Yan, X., Li, B. et al. Three-dimensional co-culture microfluidic model and its application for research on cancer stem-like cells inducing migration of endothelial cells. Biotechnol Lett 39, 1425–1432 (2017). https://doi.org/10.1007/s10529-017-2363-9
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DOI: https://doi.org/10.1007/s10529-017-2363-9