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Enhanced Biocompatibility and Osteogenic Potential of Mesoporous Magnesium silicate/polycaprolactone/wheat Protein Composite Scaffolds

Enhanced Biocompatibility and Osteogenic Potential of Mesoporous Magnesium silicate/polycaprolactone/wheat Protein Composite Scaffolds

Yun Gyeong Kang, Jie Wei, Ji Won Shin, Yan Ru Wu, Jiacan Su, Young Shik Park, Jung-Woog Shin

Int J Nanomedicine. 2018 Feb 26;13:1107-1117.

PMID: 29520139

Abstract:

Background:
Successful bone tissue engineering using scaffolds is primarily dependent on the properties of the scaffold, including biocompatibility, highly interconnected porosity, and mechanical integrity.
Methods:
In this study, we propose new composite scaffolds consisting of mesoporous magnesium silicate (m_MS), polycaprolactone (PCL), and wheat protein (WP) manufactured by a rapid prototyping technique to provide a micro/macro porous structure. Experimental groups were set based on the component ratio: (1) WP0% (m_MS:PCL:WP =30:70:0 weight per weight; w/w); (2) WP15% (m_MS:PCL:WP =30:55:15 w/w); (3) WP30% (m_MS:PCL:WP =30:40:30 w/w).
Results:
Evaluation of the properties of fabricated scaffolds indicated that increasing the amount of WP improved the surface hydrophilicity and biodegradability of m_MS/PCL/WP composites, while reducing the mechanical strength. Moreover, experiments were performed to confirm the biocompatibility and osteogenic differentiation of human mesenchymal stem cells (MSCs) according to the component ratio of the scaffold. The results confirmed that the content of WP affects proliferation and osteogenic differentiation of MSCs. Based on the last day of the experiment, ie, the 14th day, the proliferation based on the amount of DNA was the best in the WP30% group, but all of the markers measured by PCR were the most expressed in the WP15% group.
Conclusion:
These results suggest that the m_MS/PCL/WP composite is a promising candidate for use as a scaffold in cell-based bone regeneration.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
CS35514	Silica - WP			Price

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