口腔医学研究 ›› 2017, Vol. 33 ›› Issue (6): 609-613.DOI: 10.13701/j.cnki.kqyxyj.2017.06.008

• 基础研究论著 • 上一篇    下一篇

镁离子对人牙周韧带细胞体外成骨能力的影响

姜雨汐1,2,3, 张佳1,2#, 魏凌飞2, 曲伟栋2, 刘玲玲1, 石方玉1, 江久汇3*, 李翠英3*, 刘树泰2*   

  1. 1. 滨州医学院 山东 烟台 264000;
    2. 烟台市口腔医院 山东 烟台 264000;
    3. 北京大学口腔医院 北京 100081
  • 收稿日期:2016-11-29 出版日期:2017-06-20 发布日期:2017-06-26
  • 通讯作者: 刘树泰,E-mail:dentistliu@163.com李翠英,E-mail:licuiying_67@163.com江久汇,E-mail:drjiangw@163.com#为共同第一作者
  • 作者简介:姜雨汐(1988~ ),女,山东人,硕士,医师,主要从事牙周病学研究。张佳(1990~ ),女,山东人,硕士,医师,主要从事种植学研究。
  • 基金资助:
    山东省“泰山学者海外特聘专家”建设平台项目(编号:TSHW20120233)
    山东省自然科学基金(编号:ZR2014HP019)
    山东省医药卫生发展计划(编号:2011QW033)

Effect of Magnesium Ion on Human Periodontal Ligament Cells Osteogenic Capability in Vitro.

JIANG Yu-xi1,2,3, ZHANG Jia1,2#, WEI Ling-fei2, QU Wei-dong2, LIU Ling-ling1, SHI Fang-yu1, JIANG Jiu-hui3*,LI Cui-ying3*, LIU Shu-tai2*.   

  1. 1. Binzhou Medical University, Yantai 264000, China;
    2. Stomatological Hospital of Yantai, Yantai 264000, China;
    3. Peking University School and Hospital of Stomatology, Beijing 100081, China.
  • Received:2016-11-29 Online:2017-06-20 Published:2017-06-26

摘要: 目的:探究不同浓度Mg2+对hPDLCs成骨向分化的影响,为后续牙周组织再生实验选择合适的Mg2+注入浓度提供依据。方法:取P3-P5代hPDLCs于Mg2+浓度分别为0、10、15、25、35、50 mmol/L条件中常规培养,用CCK-8法检测hPDLCs增殖情况。成骨诱导后比较各组ALP活性差异及茜素红矿化结节着色情况,进行RT-qPCR检测成骨相关基因Runx2、ALP、Col1、OPN及Bglap的表达差异。采用SPSS16.0软件,运用单因素方差分析进行统计学分析。结果:10、15、25 mmol/L Mg2+浓度可促进细胞增殖并提高ALP活性,35、50 mmol/L Mg2+浓度抑制细胞增殖及ALP活性。结论:适宜浓度镁离子(0~25 mmol/L)可促进hPDLCs早期成骨分化并抑制矿化。

关键词: 牙周韧带细胞, 镁离子, 细胞增殖, 成骨分化, 骨桥蛋白

Abstract: Objective: To explore the effect of Mg2+ on hPDLCs osteogenic differentiation capability, and to determine the appropriate concentration range of Mg2+ to provide the basis for choosing Mg2+ infuse concentration in future periodontal regeneration research. Methods: hPDLCs stimulated with the presence of Mg2+ at various concentrations (from 0 to 50 mmol/L) were cultured in control medium and osteogenic medium, respectively. CCK8 was used to estimate the cell proliferation level, ALP activity assays were performed to detect the ALP activity differences in each group and alizarin red staining was used to determine the calcium mineral density. The mRNA expression levels of Runx2, ALP, Col1, OPN, and Bglap in hPDLCs with Mg2+ at concentrations of 0 and 15 mmol/L were examined by RT-qPCR of post-osteogenic induction. The results were analyzed using analysis of variance (ANOVA) and Student-Newman-Keuls (SNK) test for pairwise comparisons implemented in the SPSS 16.0 software. Results: Mg2+ at concentrations of 10, 15, and 25 mmol/L promoted hPDLCs proliferation and ALP activity, whereas Mg2+ at concentrations of 35 and 50 mmol/L remarkably inhibit hPDLCs proliferation and ALP activity. Conclusion: Proper Mg2+ concentration (0-25mmol/L) can promote early-term osteogenic differentiation of hPDLCs and inhibit mineralization.

Key words: Periodontal ligament cells, Magnesium ion , Cell proliferation , Osteogenic differentiation, Osteopontin

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