背景:随着肌腱损伤肌腱移植手术的增多,对肌腱组织工程支架的需求日益增加,研究发现植入物良好的孔隙大小及孔隙率有助于组织愈合。目的:总结肌腱组织工程支架的材料种类,调查各类肌腱组织工程支架材料与孔隙的相关情况。方法:应用计算...背景:随着肌腱损伤肌腱移植手术的增多,对肌腱组织工程支架的需求日益增加,研究发现植入物良好的孔隙大小及孔隙率有助于组织愈合。目的:总结肌腱组织工程支架的材料种类,调查各类肌腱组织工程支架材料与孔隙的相关情况。方法:应用计算机检索PubMed、Embase、Web of Science数据库中发表的相关文献,检索关键词为“tendon”或“ligament”和“tissue scaffold”以及“porosity”或“permeability”,共纳入84篇符合标准的文献进行归纳总结,讨论并展望未来的发展方向。结果与结论:肌腱组织工程研究所涉及的支架材料主要分为天然肌腱支架材料和人工合成腱性支架材料两大类,其中天然支架材料包含自体肌腱、同种异体肌腱和异种肌腱,自体肌腱、同种异体肌腱在临床上已应用多年,在制备异体肌腱以及动物实验过程中发现脱细胞消毒过程中会导致两种肌腱孔隙大小及孔隙率增加的现象,但是具体原因及机制并未进一步研究。人工合成腱性支架材料目前研究的种类有很多,其中以Leeds Keio、LARS为代表的人工韧带产品目前还在部分国家使用,其他材料目前因技术不成熟等问题未能在临床推广,人工合成腱性支架材料的孔隙及孔隙率因其材料与制备技术的不同也呈现不同的趋势。展开更多
Tendon tissue engineering is one of the research fields with longhistory, which has achieved dramatic advances This paper reviewed some recent original articles, mainly in sources of seeding cells of tendon tissue eng...Tendon tissue engineering is one of the research fields with longhistory, which has achieved dramatic advances This paper reviewed some recent original articles, mainly in sources of seeding cells of tendon tissue engineering, the level of immunological reaction with allogeneic tendon cells, preparation and screening of scaffold materials with specific mechanical and degenerating properties, the interaction of cells, scaffold materials, and so on To establish the standard tendon cell line for research has significance in the study of the biological characteristics of tendon cells, the cell model for immortalization, and screening the various scaffold materials The immunological reaction of the tissue engineered tendon with allogeneic cells in the research and future clinical applications must be clarified It is requested by tissue engineering research that the scaffold materials with specific mechanical and degenerating properties and the three dimensional culture technique mimic microenviroment in vivo, including the mechnical stress and strain All of those should be extensivly studied to lay a solid foundation for ultimate clinical展开更多
文摘背景:随着肌腱损伤肌腱移植手术的增多,对肌腱组织工程支架的需求日益增加,研究发现植入物良好的孔隙大小及孔隙率有助于组织愈合。目的:总结肌腱组织工程支架的材料种类,调查各类肌腱组织工程支架材料与孔隙的相关情况。方法:应用计算机检索PubMed、Embase、Web of Science数据库中发表的相关文献,检索关键词为“tendon”或“ligament”和“tissue scaffold”以及“porosity”或“permeability”,共纳入84篇符合标准的文献进行归纳总结,讨论并展望未来的发展方向。结果与结论:肌腱组织工程研究所涉及的支架材料主要分为天然肌腱支架材料和人工合成腱性支架材料两大类,其中天然支架材料包含自体肌腱、同种异体肌腱和异种肌腱,自体肌腱、同种异体肌腱在临床上已应用多年,在制备异体肌腱以及动物实验过程中发现脱细胞消毒过程中会导致两种肌腱孔隙大小及孔隙率增加的现象,但是具体原因及机制并未进一步研究。人工合成腱性支架材料目前研究的种类有很多,其中以Leeds Keio、LARS为代表的人工韧带产品目前还在部分国家使用,其他材料目前因技术不成熟等问题未能在临床推广,人工合成腱性支架材料的孔隙及孔隙率因其材料与制备技术的不同也呈现不同的趋势。
文摘Tendon tissue engineering is one of the research fields with longhistory, which has achieved dramatic advances This paper reviewed some recent original articles, mainly in sources of seeding cells of tendon tissue engineering, the level of immunological reaction with allogeneic tendon cells, preparation and screening of scaffold materials with specific mechanical and degenerating properties, the interaction of cells, scaffold materials, and so on To establish the standard tendon cell line for research has significance in the study of the biological characteristics of tendon cells, the cell model for immortalization, and screening the various scaffold materials The immunological reaction of the tissue engineered tendon with allogeneic cells in the research and future clinical applications must be clarified It is requested by tissue engineering research that the scaffold materials with specific mechanical and degenerating properties and the three dimensional culture technique mimic microenviroment in vivo, including the mechnical stress and strain All of those should be extensivly studied to lay a solid foundation for ultimate clinical
