Evaluation of silymarin/duck's feet-derived collagen/hydroxyapatite sponges for bone tissue regeneration

Jeong Eun Song, Yoo Shin Jeon, Jingwen Tian, Won Kyung Kim, Min Jung Choi, Cristiano Carlomagno, Gilson Khang

Research output: Contribution to journalArticle

Abstract

Tissue engineered scaffolds, made of natural derived materials, have the potential to be used in bone regeneration fields due to the biocompatible and biodegradable features. In this study, we propose duck's feet-derived collagen (DC) sponges blended with hydroxyapatite (HAp), incorporated with different concentrations of silymarin (Smn), for improved bone regeneration. The morphological and structural properties of DC/HAp and DC/HAp loaded with 25, 50 and 100 μM of Smn sponges were analyzed using scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR). In vitro evaluations were carried out on rabbit bone marrow stem cells (rBMSCs) using MTT assay for cell proliferation, ALP assay for osteogenic differentiation and reverse transcription-polymerase chain reaction (RT-PCR) for expression of mRNAs. For the evaluation of new bone formation in vivo, histological analysis and micro computed tomography (μCT) were used. Preliminary results, on Smn/DC/HAp morphology and mechanical properties, showed an interconnected porosity suitable for cells ingrowth and a higher compressive strength with the presence of Smn. Similarly, the cells proliferation and ALP activity modulation were positively influenced by the Smn content. Especially, the 100 μM Smn/DC/HAp sponge efficiently enhances the rBMSCs adhesion, growth and gene expression of osteogenic markers. The enhanced osteoinductive effects of sponges blended with Smn were confirmed using μ-CT and histological evaluations. In conclusion, results suggest that collagen sponges represent an excellent environment for cells growth and proliferation, while Smn plays an important role to improve materials osteogenic properties.

Original languageEnglish
Pages (from-to)347-355
Number of pages9
JournalMaterials Science and Engineering C
Volume97
Early online dateDec 2018
DOIs
Publication statusPublished - Apr 1 2019

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Silymarin
Tissue regeneration
Durapatite
collagens
regeneration
Hydroxyapatite
Collagen
bones
Bone
evaluation
Cell proliferation
bone marrow
stem cells
rabbits
Stem cells
Tomography
Assays
tomography
osteogenesis
polymerase chain reaction

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Evaluation of silymarin/duck's feet-derived collagen/hydroxyapatite sponges for bone tissue regeneration. / Song, Jeong Eun; Jeon, Yoo Shin; Tian, Jingwen; Kim, Won Kyung; Choi, Min Jung; Carlomagno, Cristiano; Khang, Gilson.

In: Materials Science and Engineering C, Vol. 97, 01.04.2019, p. 347-355.

Research output: Contribution to journalArticle

Song, Jeong Eun ; Jeon, Yoo Shin ; Tian, Jingwen ; Kim, Won Kyung ; Choi, Min Jung ; Carlomagno, Cristiano ; Khang, Gilson. / Evaluation of silymarin/duck's feet-derived collagen/hydroxyapatite sponges for bone tissue regeneration. In: Materials Science and Engineering C. 2019 ; Vol. 97. pp. 347-355.
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