Novel three-dimensional nerve tissue engineering scaffolds and its biocompatibility with Schwann cells

Objective: To develop a novel scaffolding method for the copolymers poly lactide-co-glycolide acid (PLGA) to construct a three-dimensional (3-D) scaffold and explore its biocompatibility through culturing Schwann cells (SCs) on it. Methods: The 3-D scaffolds were made by means of melt spinning, exte...

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Published inChinese journal of traumatology Vol. 12; no. 3; pp. 133 - 137
Main Author 袁健东 聂闻博 傅强 连小峰 侯铁胜 郯志清
Format Journal Article
LanguageEnglish
Published China Elsevier B.V 01.06.2009
Department of Orthopaedics, Changhai Hospital, Sec-ond Military Medical University, Shanghai 200433, China
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ISSN1008-1275
DOI10.3760/CMA.J.ISSN.1008-1275.2009.03.002

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Summary:Objective: To develop a novel scaffolding method for the copolymers poly lactide-co-glycolide acid (PLGA) to construct a three-dimensional (3-D) scaffold and explore its biocompatibility through culturing Schwann cells (SCs) on it. Methods: The 3-D scaffolds were made by means of melt spinning, extension and weaving. The queueing discipline of the micro-channels were observed under a scanning electronic microscope (SEM).The sizes of the micropores and the factors of porosity were also measured. Sciatic nerves were harvested from 3-day-old Sprague Dawley (SD) rats for culture of SCs. SCs were separated, purified, and then implanted on PLGA scaffolds, gelatin sponge and poly-L-lysine (PLL)-coated tissue culture poly-styrene (TCPS) were used as biomaterial and cell-supportive controls, respectively. The effect of PLGA on the adherence, proliferation and apoptosis of SCs were examined in vitro in comparison with gelatin sponge and TCPS. Results: The micro-channels arrayed in parallel manners, and the pore sizes of the channels were uniform. No significant difference was found in the activity of Schwann cells cultured on PLGA and those on TCPS (P〉0.05), and the DNA of PLGA scaffolds was not damaged. Conclusion: The 3-D scaffolds developed in this study have excellent structure and biocompatibility, which may be taken as a novel scaffold candidate for nerve-tissue engineering.
Bibliography:Schwann cell; Tissue engineering; Biocompatible materials
R329-33
Schwann cell
Tissue engineering
Biocompatible materials
50-1115/R
R318.08
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:1008-1275
DOI:10.3760/CMA.J.ISSN.1008-1275.2009.03.002