NDLI: Simvastatin-doped pre-mixed calcium phosphate cement inhibits osteoclast differentiation and resorption

Content Provider	Springer Nature Link
Author	Montazerolghaem, M. Rasmusson, A. Melhus, H. Engqvist, H. Karlsson Ott, M.
Copyright Year	2016
Abstract	Simvastatin, a cholesterol lowering drug, has been shown to have positive effects on fracture healing and bone regeneration based on its dual effect; bone anabolic and anti-resorptive. In this study the focus has been on the anti-resorptive effect of the drug and its impact on the degradation of acidic calcium phosphate cement. The drug was added to the pre-mixed acidic cement in three different doses (0.1, 0.25 and 0.5 mg/g cement) and the release was measured. Furthermore the effect of the loaded cements on osteoclast differentiation and resorption was evaluated by TRAP activity, number of multinucleated cells, gene expression and calcium ion concentration in vitro using murine bone marrow macrophages. The simvastatin did not affect the cell proliferation while it clearly inhibited osteoclastic differentiation at all three doses as shown by TRAP staining, TRAP activity and gene expression. Consistent with these results, simvastatin also impaired resorption of cements by osteoclasts as indicated by reduced calcium ion concentrations. In conclusion, our findings suggest that simvastatin-doped pre-mixed acidic calcium phosphate cement inhibits the osteoclastic mediated resorption of the cement thus slowing down the degradation rate. In addition with simvastatin’s bone anabolic effect it makes the cement-drug combination a promising bone graft material, especially useful for sites with compromised bone formation.
Starting Page	1
Ending Page	9
Page Count	9
File Format	PDF
ISSN	09574530
Journal	Journal of Materials Science: Materials in Medicine
Volume Number	27
Issue Number	5
e-ISSN	15734838
Language	English
Publisher	Springer US
Publisher Date	2016-03-11
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Biomaterials Biomedical Engineering Regenerative Medicine/Tissue Engineering Polymer Sciences Ceramics, Glass, Composites, Natural Methods Surfaces and Interfaces, Thin Films
Content Type	Text
Resource Type	Article
Subject	Biomaterials Biophysics Bioengineering Biomedical Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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