期刊
HEAD & FACE MEDICINE
卷 11, 期 -, 页码 -出版社
BIOMED CENTRAL LTD
DOI: 10.1186/s13005-015-0070-0
关键词
Calcium carbonate; Eggshell; Hyaluronan; Osteoblast; Bone; Bone graft material
资金
- Deutsche Forschungsgemeinschaft
- Open Access Publication Fund of University of Muenster
Introduction: In bone metabolism and the formation especially in bone substitution, calcium as basic module is of high importance. Different studies have shown that the use of eggshells as a bone substitute material is a promising and inexpensive alternative. In this in vitro study, the effects of eggshell granulate and calcium carbonate towards primary bovine osteoblasts were investigated. Hyaluronan (HA) was used as artificial extracellular matrix (ECM) for the used cells to facilitate proliferation and differentiation and to mimic the physiological requirements given by the egg in vivo. Methods: Hyaluronan, eggshells, a combination of hyaluronan and eggshells and CaCO3 were applied to the cells as additive to the used standard medium (modified High Growth Enhancement Medium) in a concentration of 0,1 g/l. The effect of the additives in the culture medium was examined by proliferation tests, immunohistochemical staining (anti-collagen type I, anti-osteopontin, anti-osteonectin and anti-osteocalcin) and kinetic oxygen measurements. Results: Our investigations revealed that all investigated additives show beneficial effect on osteoblast activity. Cell proliferation, differentiation and the metabolic activity of the differentiated cells could be influenced positively. Especially in the case cell cultures treated with eggshells the strongest effects were detected, while for the hyaluronan compared with eggshells, a weaker increase in cell activity was observed. Conclusion: In summary, it can be stated that the investigated components come into consideration as beneficial supplements for bone graft materials especially for maxillo facial surgery application.
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