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Title: 25-Hydroxyvitamin D3 induces osteogenic differentiation of human mesenchymal stem cells
Authors: Lou, Yan-Ru
Toh, Tai Chong
Tee, Yee Han
Yu, Hanry
Keywords: Mesenchymal stem cells
Endocrine system and metabolic diseases
Issue Date: 2017
Source: Lou, Y.-R., Toh, T. C., Tee, Y. H., & Yu, H. (2017). 25-Hydroxyvitamin D3 induces osteogenic differentiation of human mesenchymal stem cells. Scientific Reports, 7, 42816-.
Series/Report no.: Scientific Reports
Abstract: 25-Hydroxyvitamin D3 [25(OH)D3] has recently been found to be an active hormone. Its biological actions are demonstrated in various cell types. 25(OH)D3 deficiency results in failure in bone formation and skeletal deformation. Here, we investigated the effect of 25(OH)D3 on osteogenic differentiation of human mesenchymal stem cells (hMSCs). We also studied the effect of 1α,25-dihydroxyvitamin D3 [1α,25-(OH)2D3], a metabolite of 25(OH)D3. One of the vitamin D responsive genes, 25(OH)D3-24-hydroxylase (cytochrome P450 family 24 subfamily A member 1) mRNA expression is up-regulated by 25(OH)D3 at 250–500 nM and by 1α,25-(OH)2D3 at 1–10 nM. 25(OH)D3 and 1α,25-(OH)2D3 at a time-dependent manner alter cell morphology towards osteoblast-associated characteristics. The osteogenic markers, alkaline phosphatase, secreted phosphoprotein 1 (osteopontin), and bone gamma-carboxyglutamate protein (osteocalcin) are increased by 25(OH)D3 and 1α,25-(OH)2D3 in a dose-dependent manner. Finally, mineralisation is significantly increased by 25(OH)D3 but not by 1α,25-(OH)2D3. Moreover, we found that hMSCs express very low level of 25(OH)D3-1α-hydroxylase (cytochrome P450 family 27 subfamily B member 1), and there is no detectable 1α,25-(OH)2D3 product. Taken together, our findings provide evidence that 25(OH)D3 at 250–500 nM can induce osteogenic differentiation and that 25(OH)D3 has great potential for cell-based bone tissue engineering.
ISSN: 2045-2322
DOI: 10.1038/srep42816
Schools: School of Biological Sciences 
Rights: © 2017 The Author(s) (Nature Publishing Group). This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SBS Journal Articles

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