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Avicenna Journal of Medical Biotechnology، جلد ۷، شماره ۱، صفحات ۳۲-۳۸
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چکیده فارسی مقاله
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عنوان انگلیسی ADSCs on PLLA/PCL Hybrid Nanoscaffold and Gelatin Modification: Cytocompatibility and Mechanical Properties
چکیده انگلیسی مقاله Background: Development of tissue engineering and regenerative medicine has led to designing scaffolds and their modification to provide a better microenvironment which mimics the natural niche of the cells. Gelatin surface modification was applied to improve scaffold flexibility and cytocompatibility. Methods: PLLA/PCL aligned fibrous scaffold was fabricated using electrospinning method. ADSCs were seeded after O2 plasma treatment and gelatin coating of the scaffolds. The morphological and mechanical properties of blends were assessed by Scanning Electron Microscopy (SEM), tensile test and ATR-FTIR. The cells proliferation was evaluated by MTT assay. Results: Based on the results, it is supposed that gelatin coating is a brilliant method of surface modification which significantly increases the mechanical properties of scaffold without any changes on the construction or on the direction of nanofibers which conducts cell’s elongation. MTT analysis exhibited that ADSCs attachment, viability and proliferation significantly (p< 0.05) increased after gelatin treatment. Conclusion: Gelatin surface modification is a highly beneficial method to improve cytocompatibility, flexibility and mechanical features of the scaffolds which doesn’t affect the nanofibers construction. Proliferation of Adipose Derived Stem Cells (ADSCs) as a remarkable source of stem cells was investigated for the first time on PLLA/PCL hybrid scaffold.
کلیدواژه‌های انگلیسی مقاله Gelatin, Tissue engineering, Tissue scaffold
نویسندگان مقاله
نشانی اینترنتی http://www.ajmb.org/En/Article.aspx?id=198
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زبان مقاله منتشر شده en
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