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Research Article 


In Vitro and In Vivo Evaluation of Osteoconductive Properties of Novel GelMa/Eggshell-Derived Calcium Phosphate Composite Scaffold

Jodal Mohammedamim Ahmed, Shehab Ahmed Hamad.

Abstract
GelMa/ES-HA composite scaffold was sucessfully fabricated via freeze-drying process. The cytotoxicity of composite scaffolds was low after 24 h incubations (The viability of cells was above 85%). However, the cell viability decreased over time (71.9% after 48 h and 60.0% after 72 h). ALP activity of the cells grown on scaffold samples was significantly higher than that of polystyrene plates under the same condition (p <0.05). Also, ALP activity of scaffold samples increased over time. Osteocalcin synthesis for the cells cultured on the GelMa/ES-HA scaffold was significantly higher than on the polystyrene plate after 6 days of culture. The results of ALP activity and osteocalcin synthesis suggest that the bioactive GelMa/ES-HA scaffold improved the development of a mature osteoblast phenotype. SEM micrographs of the HOS cells grown on the scaffold after culturing for 3 days confirmed the favorable cells growth of cells on the surface of scaffold or between its pores and also formation of calcium deposits.
The histological examination of bone sections showed deposition of osteoid bone in all studied groups after 1-week and immature bone spicules rimmed by osteoblasts were observed more clearly in treatment groups. Significant osteoid matrix synthesis and mineralization accelerated was by early cell differentiation. The number of osteocytes and osteoblasts as mean values increased during the transition from the 1, 4 to 8 and 12-weeks of healing intervals among treatment groups. While, the Osteoclast population in treatment groups decreased over time. The production of Osteocalsin, Osteopointin and Osteronectin in treatment groups significantly increased over time (p< 0.05). Furthermore, the difference between Osteocalsin, Osteopointin and Osteonectin production in all treatment group and control groups was significant (p< 0.05) except for the 1 week groups. The maximum Osteocalsin, Osteopointin and Osteronectin production belonged to 3 months treatment group which were 34.26, 42.43 and 34.26, respectively; which this values for 3 months control groups were 17.49, 14.73 and 14.50.
The results of this study showed that the novel GelMa/ES-HA composite scaffold is a bioactive, biocompatible, biodegradable bone graft with desired mechanical and swelling properties and excellent potential for enhancing bone regeneration process which could serve as a promissing candidate for bone and dental tissue engineering applications.

Key words: Egg shell-derived Hydroxyapatite; GelMA; Freeze Drying; Tissue Engineering; In vitro; In vivo.


 
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How to Cite this Article
Pubmed Style

Ahmed JM, Hamad SA. In Vitro and In Vivo Evaluation of Osteoconductive Properties of Novel GelMa/Eggshell-Derived Calcium Phosphate Composite Scaffold. doi:https://doi.org/10.31838/ejmcm.07.02.01


Web Style

Ahmed JM, Hamad SA. In Vitro and In Vivo Evaluation of Osteoconductive Properties of Novel GelMa/Eggshell-Derived Calcium Phosphate Composite Scaffold. http://www.ejmcm.com/?mno=130231 [Access: October 13, 2020]. doi:https://doi.org/10.31838/ejmcm.07.02.01


AMA (American Medical Association) Style

Ahmed JM, Hamad SA. In Vitro and In Vivo Evaluation of Osteoconductive Properties of Novel GelMa/Eggshell-Derived Calcium Phosphate Composite Scaffold. doi:https://doi.org/10.31838/ejmcm.07.02.01



Vancouver/ICMJE Style

Ahmed JM, Hamad SA. In Vitro and In Vivo Evaluation of Osteoconductive Properties of Novel GelMa/Eggshell-Derived Calcium Phosphate Composite Scaffold. doi:https://doi.org/10.31838/ejmcm.07.02.01



Harvard Style

Ahmed, J. M. & Hamad, . S. A. (2020) In Vitro and In Vivo Evaluation of Osteoconductive Properties of Novel GelMa/Eggshell-Derived Calcium Phosphate Composite Scaffold. doi:https://doi.org/10.31838/ejmcm.07.02.01



Turabian Style

Ahmed, Jodal Mohammedamim, and Shehab Ahmed Hamad. 2020. In Vitro and In Vivo Evaluation of Osteoconductive Properties of Novel GelMa/Eggshell-Derived Calcium Phosphate Composite Scaffold. doi:https://doi.org/10.31838/ejmcm.07.02.01



Chicago Style

Ahmed, Jodal Mohammedamim, and Shehab Ahmed Hamad. "In Vitro and In Vivo Evaluation of Osteoconductive Properties of Novel GelMa/Eggshell-Derived Calcium Phosphate Composite Scaffold." doi:https://doi.org/10.31838/ejmcm.07.02.01



MLA (The Modern Language Association) Style

Ahmed, Jodal Mohammedamim, and Shehab Ahmed Hamad. "In Vitro and In Vivo Evaluation of Osteoconductive Properties of Novel GelMa/Eggshell-Derived Calcium Phosphate Composite Scaffold." doi:https://doi.org/10.31838/ejmcm.07.02.01



APA (American Psychological Association) Style

Ahmed, J. M. & Hamad, . S. A. (2020) In Vitro and In Vivo Evaluation of Osteoconductive Properties of Novel GelMa/Eggshell-Derived Calcium Phosphate Composite Scaffold. doi:https://doi.org/10.31838/ejmcm.07.02.01








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