Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/82050
Title: Establishing Criteria for Human Mesenchymal Stem Cell Potency
Authors: Samsonraj, Rebekah M.
Rai, Bina
Sathiyanathan, Padmapriya
Puan, Kia Joo
Rötzschke, Olaf
Hui, James H.
Raghunath, Michael
Stanton, Lawrence Walter
Nurcombe, Victor
Cool, Simon M.
Keywords: Mesenchymal stem/stromal cells
Quality
Issue Date: 2015
Source: Samsonraj, R. M., Rai, B., Sathiyanathan, P., Puan, K. J., Rötzschke, O., Hui, J. H., et al. (2015). Establishing Criteria for Human Mesenchymal Stem Cell Potency. Stem Cells, 33(6), 1878-1891.
Series/Report no.: Stem Cells
Abstract: This study sought to identify critical determinants of mesenchymal stem cell (MSC) potency using in vitro and in vivo attributes of cells isolated from the bone marrow of age- and sex-matched donors. Adherence to plastic was not indicative of potency, yet capacity for long-term expansion in vitro varied considerably between donors, allowing the grouping of MSCs from the donors into either those with high-growth capacity or low-growth capacity. Using this grouping strategy, high-growth capacity MSCs were smaller in size, had greater colony-forming efficiency, and had longer telomeres. Cell-surface biomarker analysis revealed that the International Society for Cellular Therapy (ISCT) criteria did not distinguish between high-growth capacity and low-growth capacity MSCs, whereas STRO-1 and platelet-derived growth factor receptor alpha were preferentially expressed on high-growth capacity MSCs. These cells also had the highest mean expression of the mRNA transcripts TWIST-1 and DERMO-1. Irrespective of these differences, both groups of donor MSCs produced similar levels of key growth factors and cytokines involved in tissue regeneration and were capable of multilineage differentiation. However, high-growth capacity MSCs produced approximately double the volume of mineralized tissue compared to low-growth capacity MSCs when assessed for ectopic bone-forming ability. The additional phenotypic criteria presented in this study when combined with the existing ISCT minimum criteria and working proposal will permit an improved assessment of MSC potency and provide a basis for establishing the quality of MSCs prior to their therapeutic application.
URI: https://hdl.handle.net/10356/82050
http://hdl.handle.net/10220/41091
ISSN: 1066-5099
DOI: 10.1002/stem.1982
Schools: School of Biological Sciences 
Lee Kong Chian School of Medicine (LKCMedicine) 
Rights: © 2014 AlphaMed Press.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:LKCMedicine Journal Articles
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