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Cited by 276

The DOI matches its Crossref record; 36 of the 36 references it cites were found in a registry or an index.

Strontium Promotes Osteogenic Differentiation of Mesenchymal Stem Cells Through the Ras/MAPK Signaling Pathway

Peng, Songlin, Zhou, Guangqian, Luk, Keith D.K., Cheung, Kenneth M.C., Li, Zhaoyang, Lam, Wing Moon, Zhou, Zhongjun, Lu, William W.·2009·Cellular Physiology and Biochemistry

Abstract

Strontium ralenate is a new anti-osteoporosis agent. The cellular and molecular mechanism underlying the anabolic effect of strontium on bone remains to be elucidated. Osteoblasts, the main bone forming cells are known to be derived from bone marrow mesenchymal stem cells (MSCs). The present study therefore aimed to investigate the possible effects of strontium on MSCs and signaling pathways possibly involved. It was firstly demonstrated that strontium treatment significantly increased osteoblast-related gene expression and alkaline phosphatase (ALP) of osteogenic-differentiating MSCs. Accompanying the enhanced osteogenic differentiation, the increased phosphorylation of mitogen-activated protein kinase (MAPK) ERK1/2 and p38 was detected in strontium-treated MSCs. PD98059 and SB203580, selective inhibitors of ERK1/2 kinase and p38, attenuated the effect of strontium on osteogenesis. Furthermore, it was demonstrated that Rat Sarcoma viral oncogene homolog (RAS), an upstream regulator of ERK1/2 and p38, was activated by strontium treatment and siRNA-mediated Ras knockdown inhibited strontium-stimulated expression of osteogenic markers. Finally, the transcriptional activity and phosphorylation level of Runx2 was significantly increased in response to strontium treatment in MSCs. PD98059 and Ras siRNA inhibited the effect of strontium on Runx2 activation. Taken together, these results indicated that strontium can promote osteogenic differentiation of MSCs through activating the Ras/MAPK signaling pathway and the downstream transcription factor Runx2.

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Metadata

Authors
Peng, S., Zhou, G., Luk, K. D. K., Cheung, K. M. C., Li, Z., Lam, W. M., Zhou, Z., & Lu, W. W.
Venue
Cellular Physiology and Biochemistry
Publisher
S. Karger AG
Published
2009
Volume
23
Issue
1-3
Pages
165-174
ISSN
  • 1015-8987 (ISSN-L)
  • 1421-9778
OpenAlex
W1967000850
Cited by
276
References
36
FWCI
4.08
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Strontium Promotes Osteogenic Differentiation of Mesenchymal Stem Cells Through the Ras/MAPK Signaling Pathway. https://app.cochat.ai/papers/10.1159/000204105
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Peng, S., Zhou, G., Luk, K. D. K., Cheung, K. M. C., Li, Z., Lam, W. M., Zhou, Z., & Lu, W. W. (2009). Strontium Promotes Osteogenic Differentiation of Mesenchymal Stem Cells Through the Ras/MAPK Signaling Pathway. Cellular Physiology and Biochemistry. https://doi.org/10.1159/000204105

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