Chinese Journal of Tissue Engineering Research ›› 2012, Vol. 16 ›› Issue (49): 9157-9161.doi: 10.3969/j.issn.2095-4344.2012.49.007
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Feng Yu-hua1, Dong Jing1, Lu Lei2, Li Qi3, Song Lei4
Received:
2012-04-10
Revised:
2012-06-21
Online:
2012-12-02
Published:
2012-06-21
About author:
Feng Yu-hua, Attending physician, Affiliated Hosital of Jilin Medical College, Jinlin 132013, Jilin Province, China articlehelp@163.com
CLC Number:
Feng Yu-hua, Dong Jing, Lu Lei, Li Qi, Song Lei. Platelet-rich fibrin induces the differentiation of bone marrow mesenchymal stem cells into Schwann cells[J]. Chinese Journal of Tissue Engineering Research, 2012, 16(49): 9157-9161.
2.3 富血小板纤维蛋白诱导骨髓间充质干细胞中S-100 mRNA和神经胶质原纤维酸性蛋白mRNA表达 于培养21 d取3组细胞进行QRT-PCR测定,以与β-actin的比值表示结果:与对照组相比,富血小板纤维蛋白1组骨髓间充质干细胞中S-100及神经胶质原纤维酸性蛋白mRNA表达增高(P < 0.05);与对照组相比,富血小板纤维蛋白2组骨髓间充质干细胞中S-100 mRNA表达增高(P < 0.05),神经胶质原纤维酸性蛋白mRNA表达显著性升高(P < 0.01);与富血小板纤维蛋白1组相比,富血小板纤维蛋白2组S-100与神经胶质原纤维酸性蛋白mRNA表达无明显差异(P > 0.05),见表1。"
2.4 富血小板纤维蛋白促进骨髓间充质干细胞分化 培养21 d后,荧光抗体S-100、神经胶质原纤维酸性蛋白直接标记3组骨髓间充质干细胞,流式细胞学检测3组S-100(+)和GFAP(+)细胞百分比,结果显示:对照组S-100(+)细胞数占总细胞数(3.38±0.68)%,神经胶质原纤维酸性蛋白(+)细胞百分比为(4.96±0.41)%;与对照组相比,富血小板纤维蛋白1组S-100(+)、神经胶质原纤维酸性蛋白(+)细胞数增多(P < 0.05),分别为(38.78± 10.42)%和(22.74±10.28)%;富血小板纤维蛋白2组S-100(+)及神经胶质原纤维酸性蛋白(+)细胞数分别为(40.04±10.10)%和(24. 32±12. 23)%,与富血小板纤维蛋白1组相比差异无显著性意义(P > 0.05),见图2。"
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