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Soluble silica inhibits osteoclast formation and bone resorption in vitro
Umeå University, Faculty of Medicine, Department of Odontology. (Aa-gruppen)
Umeå University, Faculty of Medicine, Department of Odontology.
Umeå University, Faculty of Medicine, Department of Odontology.
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2014 (English)In: Acta Biomaterialia, ISSN 1742-7061, E-ISSN 1878-7568, Vol. 10, no 1, 406-418 p.Article in journal (Refereed) Published
Abstract [en]

Several studies have suggested that silicon (Si) may be essential for normal development of connective tissue and the skeleton. Positive effects of Si from the diet as well as from Si-containing biomaterials, such as Bioactive glass 45S5 (BG), have been demonstrated. Studies have reported that Si stimulates osteoblast proliferation and differentiation. However, effects of Si on osteoclasts have not been directly addressed earlier. The purpose of the present in vitro study was to clarify if Si has regulatory effects on osteoclasts formation and bone resorption. Effects of BG, BG dissolution extracts and Si containing cell culture medium were investigated in a mouse calvarial bone resorption assay and osteoclast formation assays (mouse bone marrow cultures and RAW264.7 cell cultures). We conclude from our results that Si causes significant inhibition of osteoclast phenotypic gene expressions, osteoclast formation and bone resorption in vitro. In conclusion, the present study suggests that Si has a dual nature in bone metabolism with stimulatory effects on osteoblasts and inhibitory effects on osteoclasts. This suggested property of Si might be interesting to further explore in future biomaterials for treatments of bone defects in patients.

Place, publisher, year, edition, pages
Elsevier, 2014. Vol. 10, no 1, 406-418 p.
Keyword [en]
Silicon, Osteoclasts, Osteoclastogenesis, Bone resorption, Bioactive glass
National Category
Medical Biotechnology Biomaterials Science
Research subject
Medical Cell Biology
Identifiers
URN: urn:nbn:se:umu:diva-80462DOI: 10.1016/j.actbio.2013.08.039ISI: 000329893300041PubMedID: 24016843OAI: oai:DiVA.org:umu-80462DiVA: diva2:662608
Note

First published online 6 September 2013.

Available from: 2013-11-07 Created: 2013-09-17 Last updated: 2017-12-06Bibliographically approved

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Johansson, AndersWillman, BrittaShahabi, KavehBjörn, Erik
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