聚乙烯醇编织构建组织工程前交叉韧带的初步研究Preliminary experimental study on the fabrication of tissue-engineered anterior cruciate ligament using the braided polyvinyl alcohol materials
白利明;陈鸿辉;邹海燕;叶春婷;沈雁;戴丽冰;梁佩红;
摘要(Abstract):
[目的]探讨聚乙烯醇体外编织构建组织工程前交叉韧带支架材料的可行性。[方法]用聚乙烯醇纺丝纤维编织构建韧带支架材料,在电子拉力机上测试该支架材料的力学性质;用组织块和胶原酶消化培养法在体外分离培养人前交叉韧带细胞并对细胞的生长形态和分泌胶原蛋白的特征进行检测,细胞经体外扩增后种植于编织构建的聚乙烯醇韧带支架材料上观察。[结果]韧带支架材料的柔韧性强,拉力测试的负荷—拉伸曲线与韧带的拉伸曲线相似,其最大负荷、极限应力和弹性模量分别为52.61 N、14.96 MPa和202.08 MPa;体外分离培养的人前交叉韧带细胞呈典型的成纤维细胞特征,能在体外分泌Ⅰ、Ⅲ型胶原等细胞外基质;支架材料无细胞毒性,人前交叉韧带细胞可在支架材料上黏附、生长并分泌细胞外基质。[结论]支架材料具有一定的力学性能和优良的生物相容性,有望成为一种组织工程前交叉韧带支架材料。
关键词(KeyWords): 聚乙烯醇;支架;编织材料;前交叉韧带;组织工程
基金项目(Foundation): 广州市医药卫生科技项目(NO:2003-ZDi-04,2006-YB-058)
作者(Author): 白利明;陈鸿辉;邹海燕;叶春婷;沈雁;戴丽冰;梁佩红;
Email:
DOI:
参考文献(References):
- [1]Savio L-Y W,Changfu W,Ozgur D,et al.前交叉韧带重建与生物力学[J].Journal of Orthopaedics and Research,2006,1(9):31-39.
- [2]陈鸿辉,唐毅,李斯明,等.膝关节韧带成纤维细胞的培养及其生物学特性分析[J].中华骨科杂志,2002,22(1):40-44.
- [3]Cooper JA,Bailey LO,Carter JN,et al.Evaluation of the anteriorcruciate ligament,medial collateral ligament,Achilles tendon and pa-tellar tendon as cell sources for tissue-engineered ligament[J].Bio-material,2006,27(13):2747-2754.
- [4]Zigang G,Fang Y,James CHG,et al.Biomaterials and scaffolds for lig-ament tissue engineering[J].Bio Med Mater Res,2006,77:639-652.
- [5]Rachael H,Schmedlen,Kristyn S,et al.Photocrosslinkable poly-vinylalcohol hydrogels that can be modified with cell adhesion peptides foruse in tissue engineering[J].Biomaterials,2003,23:4325-4332.
- [6]Charles R,Nuttelman,Scott M,et al.Synthesis and characterizationof photocrosslinkable,degradable poly(vinyl alcohol)-based tissueengineering scaffolds[J].Biomaterials,2002,23:3617-3626.
- [7]Congming X,Gaoyan Z.Synthesis and properties of degradable poly(vinyl alcohol)hydrogel[J].Polymer Degradation and Stability,2003,81:297-301.
- [8]潘政军,陈鸿辉,叶春婷,等.聚乙烯醇/胶原共聚物在组织工程前交叉韧带支架材料中的实验研究[J].中国矫形外科杂志,2004,12(5):368-370.
- [9]Ge Z,Goh JCH,Wang L,et al.Characterization of knitted poly-meric scaffolds for potential use in ligament tissue engineering[J].Bi-omater Sci Polymer Edn,2005,16(9):1179-1192.
- [10]James AC,Helen HL,Frank KK,et al.Fiber-based tissue-engi-neered scaffold for ligament replacement:design considerations and invitro evaluation[J].Biomaterials,2005,26:1523-1532.