Issue 56, 2015

Fabrication, characterisation and in vitro biological activities of a sulfuretin-supplemented nanofibrous composite scaffold for tissue engineering

Abstract

Electrospun micro/nanofibrous scaffolds are widely used in various tissue regeneration applications because they have a similar structure to the extracellular matrix and can induce high attachment, proliferation and even differentiation of cultured cells. Here, we designed a new composite scaffold consisting of poly(ε-caprolactone) (PCL), bone morphogenetic protein (BMP-2) and sulfuretin fabricated using a combined process, i.e. electrospinning/plasma-treatment/coating. In the composite, we introduced a new bioactive component, sulfuretin, which was used as a cell stimulant to regenerate bone tissue. Sulfuretin release from the composite was controlled by coating of a fixed concentration of alginate. The in vitro biocompatibilities of the fibrous composites were examined using preosteoblasts (MC3T3-E1s), and the composite showed high cell adhesion and differentiation for a limited range of sulfuretin compared to the control, which lacked sulfuretin. These results suggest sulfuretin to be an effective supplemental bioactive agent for enhancing bone tissue growth on fibrous composite scaffolds.

Graphical abstract: Fabrication, characterisation and in vitro biological activities of a sulfuretin-supplemented nanofibrous composite scaffold for tissue engineering

Article information

Article type
Paper
Submitted
14 Apr 2015
Accepted
13 May 2015
First published
13 May 2015

RSC Adv., 2015,5, 44943-44952

Fabrication, characterisation and in vitro biological activities of a sulfuretin-supplemented nanofibrous composite scaffold for tissue engineering

Y. Koo, H. Lee, S. Kim, N. Song, J. Ku, J. Lee, C. H. Choi, K. W. Park and G. Kim, RSC Adv., 2015, 5, 44943 DOI: 10.1039/C5RA06648D

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