Int Neurourol J.
2017 Apr;21(Suppl 1):S24-S31. 10.5213/inj.1734856.428.
Differentiation Potential of Mesenchymal Stem Cells Is Related to Their Intrinsic Mechanical Properties
- Affiliations
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- 1Plasma Bioscience Research Center, Kwangwoon University, Seoul, Korea.
- 2Department of Obstetrics and Gynecology, Pusan National University School of Medicine, Busan, Korea.
- 3Biomedical Research Institute and Pusan Cancer Center, Pusan National University Hospital, Busan, Korea.
- 4Department of Biomedical Engineering, Graduate School, Kyung Hee University, Seoul Korea. moosou94@khu.ac.kr
- 5Program of Medical Engineering, Kyung Hee University, Seoul, Korea.
- 6Healthcare Industry Research Institute, Kyung Hee University, Seoul, Korea.
- KMID: 2378435
- DOI: http://doi.org/10.5213/inj.1734856.428
Abstract
- PURPOSE
The differentiation properties of stem cells are not yet fully understood due to their close association with multiple environmental and extrinsic factors. This study investigates the differentiation properties of mesenchymal stem cells (MSCs) and correlates them with their intrinsic mechanical properties.
METHODS
A total of 3 different types of MSCs, namely bone marrow-derived MSCs (BMSCs), umbilical cord-derived MSCs (UCSCs), and adipose-derived MSCs (ADSCs) were evaluated. These 3 MSCs were individually differentiated into adipocytes and osteoblasts for 3 weeks. The mechanical properties of the MSCs and differentiated cells were determined by atomic force microscopy.
RESULTS
ADSCs showed the greatest ability to differentiate into adipocytes, followed by BMSCs and UCSCs. While UCSCs differentiated readily into osteoblasts, BMSCs and ADSCs were less likely to undergo this differentiation. UCSCs were the "hardest" cells, while ADSCs were the "softest." The cells differentiated from "hard" MSCs were stiffer than the cells differentiated from "soft" MSCs, irrespective of lineage specification.
CONCLUSIONS
The differentiation ability of MSCs and the mechanical properties of the differentiated cells were closely linked. However, there were no significant correlations regarding changes in the mechanical properties between the nuclear region and the cytoplasm during differentiation.
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