中国组织工程研究 ›› 2025, Vol. 29 ›› Issue (28): 5941-5949.doi: 10.12307/2025.472

• 组织工程骨材料 tissue-engineered bone •    下一篇

含铜介孔生物活性玻璃的体外成血管及成骨性能

曾  玉1,2,谢成伟3,洪苑琪2,4,苏盛辉2,董谢平2   

  1. 1江西中医药大学,江西省南昌市   330004;2江西省人民医院(南昌医学院第一附属医院),江西省卫生健康数字骨科重点实验室,江西省南昌市   330006;3福建省泉州市安溪县医院骨二科,福建省泉州市   362400;4陕西科技大学,陕西省西安市   710021
  • 收稿日期:2024-05-29 接受日期:2024-07-26 出版日期:2025-10-08 发布日期:2024-12-07
  • 通讯作者: 董谢平,博士生导师,主任医师,教授,江西省人民医院(南昌医学院第一附属医院),江西省卫生健康数字骨科重点实验室,江西省南昌市 330006 苏盛辉,博士后,江西省人民医院(南昌医学院第一附属医院),江西省卫生健康数字骨科重点实验室,江西省南昌市 330006
  • 作者简介:曾玉,女,1999 年生,安徽省合肥市人,汉族,江西中医药大学在读硕士,主要从事骨组织工程研究。 谢成伟,男,1983年生,福建省泉州市人,汉族,副主任医师,主要从事骨组织工程研究及骨科临床研究。

In vitro angiogenesis and osteogenesis properties of copper-doped mesoporous bioactive glass

Zeng Yu1, 2, Xie Chengwei3, Hong Yuanqi2, 4, Su Shenghui2, Dong Xieping2   

  1. 1Jiangxi University of Chinese Medicine, Nanchang 330004, Jiangxi Province, China; 2Jiangxi Provincial People’s Hospital (First Affiliated Hospital of Nanchang Medical College), Key Laboratory of Digital Orthopedics of Jiangxi Provincial Health Commission, Nanchang 330006, Jiangxi Province, China; 3Department of Orthopedics II, Anxi County Hospital, Quanzhou 362400, Fujian Province, China; 4Shaanxi University of Science and Technology, Xi’an 710021, Shaanxi Province, China
  • Received:2024-05-29 Accepted:2024-07-26 Online:2025-10-08 Published:2024-12-07
  • Contact: Dong Xieping, Doctoral supervisor, Chief physician, Professor, Jiangxi Provincial People’s Hospital (First Affiliated Hospital of Nanchang Medical College), Key Laboratory of Digital Orthopedics of Jiangxi Provincial Health Commission, Nanchang 330006, Jiangxi Province, China Su Shenghui, MD, Jiangxi Provincial People’s Hospital (First Affiliated Hospital of Nanchang Medical College), Key Laboratory of Digital Orthopedics of Jiangxi Provincial Health Commission, Nanchang 330006, Jiangxi Province, China
  • About author:Zeng Yu, Master candidate, Jiangxi University of Chinese Medicine, Nanchang 330004, Jiangxi Province, China; Jiangxi Provincial People’s Hospital (First Affiliated Hospital of Nanchang Medical College), Key Laboratory of Digital Orthopedics of Jiangxi Provincial Health Commission, Nanchang 330006, Jiangxi Province, China Xie Chengwei, Associate chief physician, Department of Orthopedics II, Anxi County Hospital, Quanzhou 362400, Fujian Province, China

摘要:


文题释义:

无机生长因子:为生物材料中释放出来的一类无机物质,通常为金属离子或化合物。常见的无机生长因子包括锶、铜、锌等微量元素,它们在骨代谢和组织修复中扮演着重要角色。将这些无机物质与生物材料结合,通过缓慢释放离子促进骨组织周围血管生成并促进骨再生,有望用于骨缺损修复等组织工程领域。
介孔生物活性玻璃:为一种具有特殊结构和功能的生物材料,主要由氧化硅、氧化钙和五氧化二磷等成分组成,主要特点是具有高度有序的互连介孔通道结构,孔径在5-20 nm范围。介孔生物活性玻璃具有较大的比表面积、优越的生物活性和药物输送功能,因良好的生物相容性和促进骨再生特性在骨组织工程领域得到广泛应用。


背景:介孔生物活性玻璃因优异的生物相容性、骨诱导活性在骨修复方面具有巨大的应用潜力,将治疗性离子融入介孔生物活性玻璃颗粒中可赋予材料更加理想的生物学特性。

目的:合成含铜介孔生物活性玻璃,探讨其体外促血管形成及成骨分化性能。
方法:采用微乳液辅助溶胶-凝胶法合成介孔生物活性玻璃与含铜介孔生物活性玻璃,通过扫描电镜、透射电镜、能谱分析和X射线衍射等手段表征材料的形貌、结构和成分及离子缓释性能。将介孔生物活性玻璃浸提液、含铜介孔生物活性玻璃浸提液分别与小鼠成纤维细胞L929共培养,通过活死染色、CCK-8实验评价材料的生物相容性。将两种材料浸提液分别与人脐静脉内皮细胞共培养,通过Transwell实验、划痕实验和CD31免疫荧光染色评价材料的促血管形成性能。将两种材料浸提液分别与小鼠骨髓间充质干细胞共培养,通过碱性磷酸酶染色(未加入成骨诱导液)、茜素红染色(加入成骨诱导液)评估材料的促成骨性能。

结果与结论:①表征结果显示,介孔生物活性玻璃和含铜介孔生物活性玻璃均呈现紧密排列的颗粒状形貌,内部介孔结构相似,含铜介孔生物活性玻璃可持续释放铜离子;②活死染色与CCK-8实验结果显示,相较于介孔生物活性玻璃,含铜介孔生物活性玻璃可促进L929细胞的增殖,具有良好的生物相容性;③Transwell实验、划痕实验和CD31免疫荧光染色结果显示,相较于介孔生物活性玻璃,含铜介孔生物活性玻璃可促进人脐静脉内皮细胞的迁移与CD31蛋白表达,促进血管形成;④碱性磷酸酶染色与茜素红染色结果显示,含铜介孔生物活性玻璃的促成骨性能强于介孔生物活性玻璃。结果表明:含铜介孔生物活性玻璃具有优异的生物相容性和促血管形成及骨再生潜力。

https://orcid.org/0009-0006-3416-9973(曾玉);https://orcid.org/0009-0005-1981-8544(谢成伟)

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: 介孔生物活性玻璃, 铜, 成血管, 成骨, 无机生长因子, 组织工程学, 生物材料, 生物活性, 工程化骨材料

Abstract: BACKGROUND: Mesoporous bioactive glass has great application potential in bone repair due to its excellent biocompatibility and osteoinductive activity. Incorporating therapeutic ions into mesoporous bioactive glass particles can give the material more ideal biological properties.
OBJECTIVE: To synthesize copper-doped mesoporous bioactive glass and investigate its in vitro angiogenesis and osteogenic differentiation properties.
METHODS: Mesoporous bioactive glass and copper-doped mesoporous bioactive glass were synthesized by microemulsion-assisted sol-gel method. The morphology, structure, composition, and ion release performance of the materials were characterized by scanning electron microscopy, transmission electron microscopy, energy dispersive spectroscopy, and X-ray diffraction. The extracts of mesoporous bioactive glass and copper-doped mesoporous bioactive glass were co-cultured with mouse fibroblasts L929. Biocompatibility of the materials was evaluated by live/dead staining and CCK-8 assay. The extracts of the two materials were co-cultured with human umbilical vein endothelial cells. The angiogenesis-promoting properties of the materials were evaluated by Transwell assay, scratch assay, and CD31 immunofluorescence staining. The extracts of the two materials were co-cultured with mouse bone marrow mesenchymal stem cells. The osteogenic properties of the materials were evaluated by alkaline phosphatase staining (without osteogenic induction solution) and Alizarin red staining (with osteogenic induction solution).
RESULTS AND CONCLUSION: (1) The characterization results exhibited that both mesoporous bioactive glass and copper-doped mesoporous bioactive glass presented a tightly packed granular morphology with similar internal mesoporous structures, and copper-doped mesoporous bioactive glass could continuously release copper ions. (2) The live/dead staining and CCK-8 assay results showed that compared with mesoporous bioactive glass, copper-doped mesoporous bioactive glass could promote the proliferation of L929 cells and had good biocompatibility. (3) The results of Transwell assay, scratch assay, and CD31 immunofluorescence staining exhibited that compared with mesoporous bioactive glass, copper-doped mesoporous bioactive glass could promote the migration of human umbilical vein endothelial cells and the expression of CD31 protein, and promote angiogenesis. (4) The results of alkaline phosphatase staining and alizarin red staining demonstrated that the osteogenic performance of copper-doped mesoporous bioactive glass was stronger than that of mesoporous bioactive glass. The results indicate that copper-doped mesoporous bioactive glass has excellent biocompatibility and the potential to promote angiogenesis and bone regeneration.

Key words: mesoporous bioactive glass, copper, angiogenesis, osteogenesis, inorganic growth factor, tissue engineering, biomaterial, bioactivity, engineered bone material

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