中国组织工程研究 ›› 2014, Vol. 18 ›› Issue (12): 1932-1937.doi: 10.3969/j.issn.2095-4344.2014.12.021

• 材料生物相容性 material biocompatibility • 上一篇    下一篇

膨体聚四氟乙烯与人脂肪干细胞的体外生物相容性

杨  柳,姜  南,徐扬阳,朱梦琳,曹  菁   

  1. 郑州大学第五附属医院整形美容科,河南省郑州市  450052
  • 修回日期:2014-01-13 出版日期:2014-03-19 发布日期:2014-03-19
  • 通讯作者: 姜南,主任医师,硕士生导师,郑州大学第五附属医院整形美容科,河南省郑州市 450052
  • 作者简介:杨柳,女,1988年生,河南省安阳县人,汉族,郑州大学在读硕士,主要从事整形美容的基础与临床研究。
  • 基金资助:

    河南省科技厅项目(041000531010)

In vitro biocompatibility of expanded polytetrafluoroethylene scaffold and human adipose-derived stem cells 

Yang Liu, Jiang Nan, Xu Yang-yang, Zhu Meng-lin, Cao Jing   

  1. Department of Plastic and Aesthetic Surgery, the Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan Province, China
  • Revised:2014-01-13 Online:2014-03-19 Published:2014-03-19
  • Contact: Jiang Nan, Chief physician, Master’s supervisor, Department of Plastic and Aesthetic Surgery, the Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan Province, China
  • About author:Yang Liu, Studying for master’s degree, Department of Plastic and Aesthetic Surgery, the Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan Province, China
  • Supported by:

    the Program of Henan Provincial Science and Technology Bureau, No. 041000531010

摘要:

背景:膨体聚四氟乙烯多孔高分子聚合材料是临床常用的植入假体,具有良好的生物相容性,不易变形、变质,不产生炎症吸收反应,可允许细胞游走和组织向内生长。
目的:观察人脂肪干细胞与膨体聚四氟乙烯材料的生物相容性。
方法:将第4代人脂肪干细胞与膨体聚四氟乙烯体外复合培养,采用倒置相差显微镜观察细胞在支架上黏附、生长及增殖情况,计算细胞黏附率,MTT比色法检测细胞增殖率。
结果与结论:刚接种的细胞呈圆形透亮,在支架材料表面分布均匀,细胞活性佳,3 h后大量细胞贴壁,24 h后可见少量呈短梭形的脂肪干细胞贴壁,3 d首次换液,细胞清晰可见,低密度生长时呈短梭形或多角形,分布均匀,种植7 d后细胞数量明显增加,极少细胞从支架上掉落,细胞黏附率平均达95.7%,并且细胞仍保持正常的分裂增殖速度。说明膨体聚四氟乙烯材料具有良好的细胞相容性,可作为脂肪组织工程的种子。


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


全文链接:

关键词: 生物材料, 材料相容性, 聚四氟乙烯, 人脂肪干细胞, 支架, 组织工程, 生物相容性

Abstract:

BACKGROUND: Expanded polytetrafluoroethylene is a kind of porous polymer materials which is commonly used as clinical implants, and it has good biocompatibility, and is not easy to deformation or metamorphism. There is no existence of inflammation absorption reaction, and it allows the cell migration and tissue ingrowth.
OBJECTIVE: To study the biocompatibility of expanded polytetrafluoroethylene scaffold and human adipose-derived stem cells.
METHODS: The passage 4 human adipose-derived stem cells were co-cultured with expanded polytetrafluoroethylene scaffold in vitro. The morphology and function of cells adhered to the scaffold were observed by inverted phase contrast microscope, and cell adhesive rates and proliferation rates were also calculated by MTT assay.
RESULTS AND CONCLUSION: The inoculated cells were round and bright, distributed on the surface of scaffolds uniformly, with good cell viability. After 3 hours a large number of adherent cells were observed from the micrograph; after 24 hours there were a small amount of short-spindle adipose-derived stem cells. After cultured for 3 days, the short fusiform or polygon cells could be seen clearly. After cultured for 7 days, the number of cells increased significantly, few cells fell off from the scaffold, and cell adhesion rate was up to an average of 95.7%. Meanwhile, the cells revealed normal splitting proliferation rate. These findings indicate that human adipose-derived stem cells are able to attach, grow and proliferate well on the scaffold. Expanded polytetrafluoroethylene reveals excellent cellular compatibility and can be used as a vehicle for adipose tissue engineering.


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


全文链接:

Key words: biocompatible materials, polytetrafluoroethylene, stem cells, materials testing

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