中国组织工程研究 ›› 2021, Vol. 25 ›› Issue (10): 1599-1603.doi: 10.3969/j.issn.2095-4344.3050

• 生物材料综述 biomaterial review • 上一篇    下一篇

不同类型水凝胶在骨缺损中的应用

李  军,余  浩,张  勇,卫  勇,谢  佳,荆珏华   

  1. 安徽医科大学第二附属医院骨科,安徽省合肥市  230601
  • 收稿日期:2020-04-11 修回日期:2020-04-17 接受日期:2020-06-05 出版日期:2021-04-08 发布日期:2020-12-18
  • 通讯作者: 荆珏华,主任医师,教授,安徽医科大学第二附属医院骨科,安徽省合肥市 230601
  • 作者简介:李军,男,1987年生,安徽省合肥市人,汉族,2012年南方医科大学毕业,博士,副主任医师,副教授,主要从事骨组织工程与数字骨科研究。
  • 基金资助:
    安徽省重点研究与开发计划项目(201904b11020032);安徽省自然科学基金青年项目(1708085QH221);合肥市自主创新政策借转补项目(YW201608080006);安徽省卫生计生委中医药科研课题项目(2016zy92);国家自然科学基金青年项目(81702656)

Different types of hydrogel in bone defects

Li Jun, Yu Hao, Zhang Yong, Wei Yong, Xie Jia, Jing Juehua   

  1. Department of Orthopedics, the Second Hospital of Anhui Medical University, Hefei 230601, Anhui Province, China
  • Received:2020-04-11 Revised:2020-04-17 Accepted:2020-06-05 Online:2021-04-08 Published:2020-12-18
  • Contact: Jing Juehua, Chief physician, Professor, Department of Orthopedics, the Second Hospital of Anhui Medical University, Hefei 230601, Anhui Province, China
  • About author:Li Jun, MD, Associate chief physician, Associate professor, Department of Orthopedics, the Second Hospital of Anhui Medical University, Hefei 230601, Anhui Province, China2020-04-11
  • Supported by:
    the Key Research and Development Project in Anhui Province, No. 201904b11020032; the Natural Science Foundation of Anhui Province (Youth Project), No. 1708085QH221; the Independent Innovation Policy Loan to Subsidy Project of Hefei, No. YW201608080006; the Research Project of Traditional Chinese Medicine of Anhui Health and Family Planning Commission, No. 2016zy92; the National Natural Science Foundation of China (Youth Project), No. 81702656

摘要:

文题释义:
水凝胶:是一类独特的支架材料,具有由交联的高分子链组成的三维亲水网络结构,在吸收相当于自身体积几倍数量的水后仍可保持不分解。
物理凝胶:是通过物理作用力如静电作用、氢键、链的缠绕等形成的,这种凝胶是非永久性的,加热凝胶可转变为溶液,也称假凝胶或热可逆凝胶。

背景:水凝胶可以模拟自然的组织环境,为缺损部位提供结构支持,修复骨缺损。
目的:简述水凝胶在骨缺损中的应用进展,并进行分析。
方法:应用计算机检索PubMed与中国知网、维普、万方数据库,中文检索词为“水凝胶,骨缺损”,英文检索词为“hydrogel,bone defect”,检索水凝胶在骨缺损中应用的研究。
结果与结论:水凝胶显示出水的均质特性,可以模拟人体的组织环境,以最小的侵入方式将其内容物包封,操纵并将其转移到周围组织,为缺损部位提供结构支持,使骨缺损通过内在愈合机制修复,具有独特的优势。离子介导的水凝胶中海藻酸盐相关研究最多,由于其多糖结构导致藻酸锌交联的水凝胶体系更大。化学交联的水凝胶彼此之间具有高亲和力,在可注射介质中显示出显著溶解性的聚合物可以进行修饰,以在递送点形成共价连接的网络。掺入蛋白质衍生的生物活性物质形成化学交联聚合物的稳定网络,是该类型水凝胶的特点。天然提取的水凝胶,如明胶、透明质酸和丝素及合成的聚乙二醇都很容易获得,而且相对容易生产。在这一系列研究中,天然衍生的水凝胶显示出良好的生物相容性,天然聚合物作为热敏性水凝胶载体缺乏通用性和响应性,因此合成衍生的聚合物已被用作与天然聚合物进行改性和缀合的基础。

https://orcid.org/0000-0001-5543-2896 (李军) 
中国组织工程研究杂志出版内容重点:生物材料;骨生物材料; 口腔生物材料; 纳米材料; 缓释材料; 材料相容性;组织工程

关键词: 骨, 材料, 水凝胶, 骨缺损, 修复, 应用, 综述

Abstract: ACKGROUND: Hydrogel can simulate the natural tissue environment, provide structural support for defects and repair bone defects.
OBJECTIVE: To summarize and analyze the application progress of hydrogel in bone defect. 
METHODS: PubMed, CNKI, VIP, and Wanfang databases were searched by computer with the English and Chinese key words of “hydrogel, bone defect” to search the application of hydrogel in bone defect. 
RESULTS AND CONCLUSION: Hydrogel shows the homogeneity of water. It can simulate human tissue environment, encapsulate its contents with minimal invasion, manipulate and transfer it to surrounding tissues, provide structural support for defect sites, and repair bone defects through internal healing mechanism, which has unique advantages. Among the ion-mediated hydrogels, alginate is the most studied. Because of its polysaccharide structure, the zinc alginate crosslinked hydrogel system is larger, and the chemically crosslinked hydrogel, polymers with high affinity to each other and showing significant solubility in injectable media can be modified to form a covalently connected network at the delivery point. This type of hydrogel is characterized by the addition of protein-derived bioactive substances to form a stable network of chemically cross-linked polymers. Naturally extracted hydrogels such as gelatin, hyaluronic acid and silk fibroin, as well as synthetic polyethylene glycol are easy to obtain and relatively easy to produce. In this series of studies, naturally derived hydrogels show good biocompatibility and natural polymers as thermosensitive hydrogel carriers lack versatility and responsibility. Therefore, the synthesized derived polymers have been used as the basis for modification and binding with natural polymers.


Key words: bone, materials, hydrogel, bone defect, repair, application, review

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