Biomimetic 3D Clusters Using Human Adipose Derived Mesenchymal Stem Cells and Breast Cancer Cells: A Study on Migration and Invasion of Breast Cancer Cells
- Biomimetic 3D Clusters Using Human Adipose Derived Mesenchymal Stem Cells and Breast Cancer Cells: A Study on Migration and Invasion of Breast Cancer Cells
- 김상헌; 이강원; 송보아; 박민희; 홍승표
- Issue Date
- Molecular pharmaceutics
- VOL 13, NO 7-2213
- Invasion and metastasis of cancer directly related to human death have been associated with interactions among many different types of cells and three-dimensional (3D) tissue matrices. Precise mechanisms related to cancer invasion and metastasis still remain unknown due to their complexities. Development of tumor microenvironment (TME)-mimicking system could play a key role in understanding cancer environments and in elucidating the relating phenomena and their driving forces. Here we report a facile and novel platform of 3D cancer cell-clusters using human adipose-derived mesenchymal stem cells (hASCs) and breast cancer cells (MDA-MB-231) within a collagen gel matrix to show cancer invasion in the cell and extracellular matrix (ECM). Both clusters A (hASC only) and AC (hASC and MDA-MB-231) exhibited different behaviors and expressions of migration and invasion, as observed by the relating markers such as fibronectin, alpha-SMA, and CXCR4. hASCs showed a protrusive migration from a cluster center, whereas MDA-MB-231 spread out radially followed by hASC migration. Finally, the effect of matrix was further discussed by varying collagen gel densities. The new biomimetic system of 3D cancer clusters developed here has the potential to be utilized for research on migration and invasion of cancer cells in extracellular matrices.
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