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中国生物工程杂志

CHINA BIOTECHNOLOGY
中国生物工程杂志  2009, Vol. 29 Issue (12): 7-12    
研究报告     
BMSCs与PLGA三维生物支架复合修复喉软骨缺损的研究
马林祥1,崔颖2**,朱丽明1,潘欣宇1,王雪峰2,张本2
1.辽宁医学院 锦州 121001
2.辽宁医学院附属第一医院 锦州 121001
The Experimental Study of Repairing Laryngic Catilage Defect by Transplanting the Compound of Bone Mesenchymal Stem Cells and PLGA Porous Foam Scaffolds
MA Lin-xiang1,CUI Ying2,ZHU Li-ming1,PAN Xin-yu1,WANG Xue-feng2,ZHANG Ben2
1.Department of Otolaryngology in Liaoning Medical College,Jinzhou 121001,China
2.Department of Otolaryngology,The First Affiliated Hospital of Liaoning Medical College,Jinzhou 121001,China
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摘要:

目的 探讨骨髓间充质干细胞(bone marrow mesenchymal stem cells,BMSCs)与聚乳酸/羟基乙酸共聚物(poly (lactide-co-glycolide),PLGA)三维生物支架在软骨源性形态发生蛋白1(cartilage-derived morphogenetic protein 1,CDMP1)和转化生长因子-β1(transforming growth factor-β1,TGF-β1)作用下向软骨细胞表型分化及体内修复喉软骨缺损的能力。方法 在体外高密度细胞悬液与PLGA共同构筑的三维立体培养体系下CDMP1和(或)TGF-β1联合诱导BMSCs向软骨细胞分化,观察诱导后细胞表型的表达;将培养体系移植入动物体内,从大体、组织学方面观察其对喉软骨缺损的修复效果。结果 诱导后的培养体系可表达特异性软骨基质Ⅱ型胶原和GAG;将培养体系移植入动物体内,可有效的修复喉软骨缺损。结论 BMSCs与PLGA三维生物支架在CDMP1和TGF-β1作用下所得组织工程化软骨可以有效的修复喉软骨缺损。

关键词: 软骨分化骨髓间充质干细胞软骨源性形态发生蛋白1转化生长因子-β1聚乳酸羟基乙酸共聚物    
Abstract:

Objective:To evaluate the feasibility of repairing laryngic catilage deffect by mesenchymal stem cells and PLGA porous foam scaffolds under the effect of cartilage-derived morphogenetic protein 1 and transforming growth factor-β1 by tissue engineering techniques. Methods:In vitro ,under the effect of CDMP1 and TGF-β1 ,BMSCs and PLGA porous foam scaffolds were cultured to investigace the expression of cartilaginous phenotype The histological staining for glycosaminoglycan using alcian blue dye-binding method and immunohistochemical staining of cartilage-specific protein collagen Ⅱ were used to identify chondrogenic differentiation of BMSCs. Results:BMSCs cultured in the medium containing CDMP1 and TGF-β1 expressed collagen Ⅱ and glycolsaminoglycan. Transplanted into the body ,BMSCs - Biology stent can repair laryngic cartilage defects. Conclusion:under the dffect of CDMP1 and TGF-β1,BMSCs-Biology stent can differentiate into the chondrogenic phenotype and can effectively repair laryngic cartilage defects.

Key words: Differentiation    Bone marrow mesenchymal stem cells    Bone morphogenetic proteins-1    Transforming growth factor-β1    PLGA
收稿日期: 2009-07-06 出版日期: 2009-12-21
ZTFLH:  Q819  
基金资助:

辽宁省自然基金项目(20062198)、辽宁省教育厅创新团队项目计划(2007T110)资助项目

通讯作者: 崔颖     E-mail: yingwu2002@163.com
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引用本文:

马林祥 崔颖 朱丽明 潘欣宇 王雪峰 张本. BMSCs与PLGA三维生物支架复合修复喉软骨缺损的研究[J]. 中国生物工程杂志, 2009, 29(12): 7-12.

MA Lin-Xiang, CUI Ying, SHU Li-Meng, BO Xin-Yu, WANG Xue-Feng, ZHANG Ben. The Experimental Study of Repairing Laryngic Catilage Defect by Transplanting the Compound of Bone Mesenchymal Stem Cells and PLGA Porous Foam Scaffolds. China Biotechnology, 2009, 29(12): 7-12.

链接本文:

https://manu60.magtech.com.cn/biotech/CN/        https://manu60.magtech.com.cn/biotech/CN/Y2009/V29/I12/7

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