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学科主题: 口腔医学
题名:
Modulation of the Differentiation of Dental Pulp Stem Cells by Different Concentrations of beta-Glycerophosphate
作者: Liu, Mingyue1; Sun, Yao2; Liu, Yang3; Yuan, Mengtong1; Zhang, Zhihui4; Hu, Weiping1
关键词: MEPE ; DSP ; beta-glycerophosphate ; dental pulp stem cells ; odontoblast
刊名: MOLECULES
发表日期: 2012-02-01
DOI: 10.3390/molecules17021219
卷: 17, 期:2, 页:1219-1232
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Chemistry, Organic
研究领域[WOS]: Chemistry
关键词[WOS]: IN-VITRO ; BONE ; MINERALIZATION ; MATRIX ; EXPRESSION ; PROTEIN ; TISSUE ; GENE ; MEPE ; SIALOPHOSPHOPROTEIN
英文摘要:

Dentinogenesis is a necessary prerequisite for dental tissue engineering. One of the steps for dentinogenesis is to obtain large quantities of highly purified odontoblasts. Therefore, we have undertaken an experiment applying different concentrations of beta-glycerophosphate (beta-GP) to induce the differentiation of dental pulp stem cells (DPSCs) in a long-term 28-day culture. In the meanwhile, we have studied the time-and maturation-dependent expression of matrix extracellular phosphoglycoprotein (MEPE) and that of the odontoblast-like marker-dentin sialoprotein (DSP), in order to investigate an optimized mineralized condition. Western blot results revealed that the expression of DSP became lower when accompanied by the increase of the beta-GP concentration, and there was also an influence on MEPE expression when different concentrations of beta-GP were applied. Meanwhile, the mineralized groups had an inhibitory function on the expression of MEPE as compared with the control group. Above all, all experimental groups successfully generated mineralized nodules by Alizarin Red S and the 5 mM beta-GP group formed more mineralized nodules quantitated using the CPC extraction method. In conclusion, there is a significant modulation of the beta-GP during the differentiation of the DPSCs. The degree of odontoblast differentiation is beta-glycerophosphate concentration dependent. A low concentration of beta-GP (5 mM) has been shown to be the optimal concentration for stimulating the maturation of the DPSCs. Moreover, MEPE accompanied with DSP clearly demonstrates the degree of the differentiation.

语种: 英语
WOS记录号: WOS:000300717200007
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/57415
Appears in Collections:北京大学口腔医学院_期刊论文

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作者单位: 1.Peking Univ, Sch Stomatol, Beijing 100081, Peoples R China
2.Harbin Med Coll, Dept Prosthodont, Affiliated Hosp 2, Harbin 150086, Heilongjiang, Peoples R China
3.Harbin Med Coll, Inst Hard Tissue Dev & Regenerat, Affiliated Hosp 2, Harbin 150086, Heilongjiang, Peoples R China
4.Mianyang Cent Hosp, Dept Stomatol, Mianyang 150086, Sichuan, Peoples R China

Recommended Citation:
Liu, Mingyue,Sun, Yao,Liu, Yang,et al. Modulation of the Differentiation of Dental Pulp Stem Cells by Different Concentrations of beta-Glycerophosphate[J]. MOLECULES,2012,17(2):1219-1232.
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