Seyed Iman Roohani-Esfahani
Fabrication of a novel triphasic and bioactive ceramic and evaluation of its in vitro and in vivo cytocompatibility and osteogenesis
Roohani-Esfahani, Seyed Iman; Wong, Kai Yuen; Lu, Zufu; Juan Chen, Yong; Li, Jiao Jiao; Gronthos, Stan; Menicanin, Danijela; Shi, Jeffrey; Dunstan, Colin; Zreiqat, Hala
Authors
Dr Kenneth Wertheim K.Y.Wertheim@hull.ac.uk
Zufu Lu
Yong Juan Chen
Jiao Jiao Li
Stan Gronthos
Danijela Menicanin
Jeffrey Shi
Colin Dunstan
Hala Zreiqat
Abstract
We report, for the first time, the synthesis of a novel triphasic and crystalline bioactive ceramic (MSM-10) with the ability to simultaneously release three types of bioactive ions (strontium (Sr), silicon (Si) and magnesium (Mg)) to the surrounding microenvironment. An MSM-10 powder with a nominal composition (wt%) of 54 Mg2SiO4, 36 Si 3Sr5 and 10 MgO was prepared by the sol-gel method and fabricated as porous scaffolds using the foam replication method. The effects of the different amounts of the phases in the ceramics on the mechanical and physical properties of the scaffolds as well as their in vitro and in vivo behaviors were comprehensively investigated. Biphasic calcium phosphate (BCP, β-tricalcium phosphate (60 wt%)/hydroxyapatite (40 wt%)) scaffolds were used as the control material. The attachment, morphology, proliferation and differentiation of primary human osteoblasts (HOBs) were investigated after cell culturing on the various scaffolds. In vitro cytotoxicity (ISO/EN 10993-5) results not only indicated the biocompatibility of MSM-10, but also its positive effects on inducing the proliferation of HOBs. Our results showed significant enhancement in osteogenic gene expression levels (Runx2, osteocalcin, osteopontin and bone sialoprotein), when HOBs were cultured on MSM-10, compared to those for BCP and other generated ceramic scaffolds. For the in vivo studies, the different types of the materials were seeded with cultured human mesenchymal stem cells (hMSC) and then subcutaneously transplanted into the dorsal surface of eight-week-old immunocompromised (NOD/SCID) mice. MSM-10 demonstrated a significant amount of new bone formation compared to the other groups tested with no macroscopic signs of inflammation or toxicity in the tissue surrounding the implants. The novel MSM-10 ceramic presents promising potential for bone regeneration in orthopaedic and maxillofacial applications. © 2014 The Royal Society of Chemistry.
Citation
Roohani-Esfahani, S. I., Wong, K. Y., Lu, Z., Juan Chen, Y., Li, J. J., Gronthos, S., …Zreiqat, H. (2014). Fabrication of a novel triphasic and bioactive ceramic and evaluation of its in vitro and in vivo cytocompatibility and osteogenesis. Journal of Materials Chemistry B, 2(13), 1866-1878. https://doi.org/10.1039/c3tb21504k
Journal Article Type | Article |
---|---|
Acceptance Date | Jan 8, 2014 |
Publication Date | Jan 10, 2014 |
Deposit Date | Jan 23, 2023 |
Journal | Journal of Materials Chemistry B |
Print ISSN | 2050-750X |
Electronic ISSN | 2050-7518 |
Publisher | Royal Society of Chemistry |
Peer Reviewed | Peer Reviewed |
Volume | 2 |
Issue | 13 |
Pages | 1866-1878 |
DOI | https://doi.org/10.1039/c3tb21504k |
Public URL | https://hull-repository.worktribe.com/output/4186795 |
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