Development of a Nanofibrous Scaffold Based on Bovine Tissue-derived ECM and Poly(ε-caprolactone) for Tissue Engineering Applications

Year 2021, , 171 - 177, 30.06.2021

Mahmut Parmaksız

https://doi.org/10.17350/HJSE19030000227

Abstract

In this study, nanofibrous biohybrid scaffolds were developed by electrospinning using poly(ε-caprolactone) (PCL) and decellularized bovine tissue derived extracellular matrix (ECM). At the first part of the study, bovine ECM was decellularized by treatment with detergent for 24h and then combined with PCL. Following the evaluation of the decellularization efficiency via spectrophotometric DNA content analysis, the composite scaffolds were characterized by using SEM and FT-IR spectroscopy. Moreover, to assess the biocompatibility of the scaffolds an in vitro cell culture based cytotoxicity test was performed. The results indicated that, DNA content of the bovine tissue was reduced by ~80% compared to the native tissue after decellularization. While FT-IR results indicated the presence of ECM in the composite scaffolds, SEM findings showed that the porous nanofibrous structure of the scaffold changed depending on the incorporated ECM amount. Cell culture based studies also revealed that, the scaffolds containing different amounts of ECM did not have any toxic effect on cell viability during 48 hours of culture period.

Keywords

biomaterials, tissue engineering, decellularization, electrospinning

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