中国组织工程研究 ›› 2021, Vol. 25 ›› Issue (4): 504-509.doi: 10.3969/j.issn.2095-4344.2360

• 组织工程骨材料Tissue-engineered bone • 上一篇    下一篇

改良型富血小板纤维蛋白复合双相磷酸钙可促进兔骨髓间充质干细胞的活性

王玉姣1,刘  丹2,孙  嵩3,孙   勇1   

  1. 1西南医科大学口腔医学院,四川省泸州市   646000;2龙泉驿社区卫生服务中心,四川省成都市   610015;3成都市第一人民医院,四川省成都市 610000
  • 收稿日期:2020-01-13 修回日期:2020-01-15 接受日期:2020-03-07 出版日期:2021-02-08 发布日期:2020-11-21
  • 通讯作者: 孙勇,主任医师,教授,硕士生导师,西南医科大学口腔医院,四川省泸州市 646000
  • 作者简介:王玉姣,女,1992年生,回族,四川省阿坝州九寨沟县人,西南医科大学口腔医学院在读硕士,医师,主要从事口腔种植修复的基础与临床研究。

Biphasic calcium phosphate loaded with advanced platelet rich fibrin can promote the activity of rabbit bone marrow mesenchymal stem cells

Wang Yujiao1, Liu Dan2, Sun Song3, Sun Yong1   

  1. 1School of Stomatology, Southwest Medical University, Luzhou 646000, Sichuan Province, China; 2Community Health Service Center of Longquanyi, Chengdu 610015, Sichuan Province, China; 3Chengdu First People’s Hospital, Chengdu 610000, Sichuan Province, China
  • Received:2020-01-13 Revised:2020-01-15 Accepted:2020-03-07 Online:2021-02-08 Published:2020-11-21
  • Contact: Sun Yong, Chief physician, Professor, Master’s supervisor, School of Stomatology, Southwest Medical University, Luzhou 646000, Sichuan Province, China
  • About author:Wang Yujiao, Master candidate, Physician, School of Stomatology, Southwest Medical University, Luzhou 646000, Sichuan Province, China

摘要:

文题释义:
改良型富血小板纤维蛋白:2014年由Ghanaati等学者提出的新一代自体血液制品,通过调整富血小板纤维蛋白离心参数而得到,其三维网状结构更加疏松,利于氧气与营养物质的输送,所含白细胞、血小板及血小板激活时所释放的利于软硬组织的再生修复的生长因子的量更多。
双相磷酸钙:是一种常用的人工骨替代材料,由羟基磷灰石和β-磷酸三钙按照一定比例混合高温烧制而成,其结构与生物骨组织中的磷灰石结构类似,其中的羟基磷灰石能支持大块骨替代材料并维持相应的组织再生空间,β-磷酸三钙则能够增加新生血管和板层骨,既有良好的生物稳定性及降解性能,又具有较好的生物相容性和骨引导性。

背景:将生长因子加入支架材料能促进体外培养干细胞的增殖及成骨分化,促进骨组织再生。改良型富血小板纤维蛋白中含有多种生长因子,能够促进多种细胞的增殖活性及相关功能蛋白的表达。
目的:观察改良型富血小板纤维蛋白、双相磷酸钙单独或联合使用对骨髓间充质干细胞生长状况的影响。
方法:将第3代兔骨髓间充质干细胞分4组培养,分别加入基础培养基(空白组)、改良型富血小板纤维蛋白条件培养基(A-PRF组)、双相磷酸钙(BCP组)、改良型富血小板纤维蛋白条件培养基与双相磷酸钙(A-PRF+BCP组)。CCK-8法检测细胞增殖活性,甲基罗丹明-鬼笔环肽荧光染色观察细胞黏附情况,定量检测细胞内碱性磷酸酶活性及矿化结节形成情况。
结果与结论:①A-PRF+BCP组培养3,5,7,11,14 d的细胞增殖吸光度值高于其他3组,A-PRF组培养1,3,5 d的细胞增殖吸光度值高于BCP组、空白组,BCP组培养7,11,14 d的细胞增殖吸光度值高于A-PRF组、空白组;②甲基罗丹明-鬼笔环肽荧光染色显示,BCP组、A-PRF+BCP组骨髓间充质干细胞黏附在双相磷酸钙材料表面,并且A-PRF+BCP组细胞与微丝数量明显多于BCP组;③培养1,21,28 d的矿化结节合成情况为:A-PRF+BCP组>BCP组>A-PRF组>空白组;④培养5,7,9 d的细胞碱性磷酸酶含量为:A-PRF+BCP组>BCP组>A-PRF组>空白组,组间两两比较差异有显著性意义(P < 0.05);⑤结果表明,双相磷酸钙前期促细胞增殖进作用较弱,但其支架作用良好,改良型富血小板纤维蛋白于前期促进细胞增殖作用明显,二者联合使用时对细胞的增殖分化均有良好促进作用。 
https://orcid.org/0000-0003-1192-1844 (王玉姣) 

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, 双相磷酸钙, 细胞增殖, 干细胞, 矿化, 骨再生

Abstract: BACKGROUND:  Adding growth factor to scaffold material can promote the proliferation and osteogenic differentiation of cultured stem cells in vitro and promote bone tissue regeneration. Advanced platelet rich fibrin (A-PRF) contains a variety of growth factors, which can promote the proliferation activity of a variety of cells and the expression of related functional proteins. 
OBJECTIVE: To observe the effects of the sole and combined usage regarding A-PRF and biphasic calcium phosphate (BCP) on the growth of bone marrow mesenchymal stem cells. 
METHODS: The third generation of rabbit bone marrow mesenchymal stem cells was cultured in four groups, including basic medium (blank group), A-PRF condition medium (A-PRF group), BCP (BCP group), A-PRF condition medium and BCP (A-PRF+BCP group). Cell proliferation activity was detected by CCK-8 assay. Cell adhesion was observed based on  methylrhodamine-phalloidin fluorescence staining. Intracellular alkaline phosphatase expression and mineralized nodules were quantitatively measured. 
RESULTS AND CONCLUSION: (1) The absorbance value of proliferation of the A-PRF+BCP group was higher than that of the other three groups at 3, 5, 7, 11 and 14 days after culture. The absorbance value of proliferation of cells cultured in the A-PRF group was higher than that of the BCP group and the blank group at 1, 3 and 5 days after culture. The absorbance value of proliferation of BCP group was higher than that of the A-PRF group and the blank group at 7, 11 and 14 days after culture. (2) Methylrhodamine-phalloidin fluorescence staining showed that bone marrow mesenchymal stem cells in the BCP group and the A-PRF+BCP group adhered to the surface of BCP and the number of cells and microfilaments in the A-PRF+BCP group was higher than that in BCP group. (3) The synthesis of mineralized nodules was A-PRF+BCP group > BCP group > A-PRF group > blank group at 1, 21 and 28 days after surgery. (4) The expression of alkaline phosphatase was A-PRF+BCP group > BCP group > A-PRF group > blank group at 5, 7 and 9 days. There was significant difference between the two groups (P < 0.05). (5) The results showed that BCP exerted a weak influence on promoting cell proliferation in the early stage, but its effect of scaffold was apparent. A-PRF had a significant effect on promoting cell proliferation with considerable influence on promoting cell proliferation and differentiation when combined BCP.

Key words: bone, material, biphasic calcium phosphate, cell proliferation, stem cell, mineralization, bone regeneration

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