Biomed Res Int:研究发现一种再生牙齿组织的新型治疗策略

2019-07-27 sunshine 译 MedSci原创

源自牙周韧带组织的HPDLSC有助于牙齿发育和组织再生。探索长非编码RNA(lncRNAs)在牙周韧带干细胞成骨分化过程中的作用,将为组织再生提供新的治疗策略。通过实时定量PCR(q-PCR)观察在成骨分化期间表达水平显著改变的lncRNA。然后,我们筛选了成骨相关的lncRNA,最初命名为lncRNA-TWIST1。此外,我们分别在PPDLSCs(来自牙周炎患者的牙周间充质干细胞)和HPDLSC

源自牙周韧带组织的HPDLSC有助于牙齿发育和组织再生。探索长非编码RNA(lncRNAs)在牙周韧带干细胞成骨分化过程中的作用,将为组织再生提供新的治疗策略。

通过实时定量PCR(q-PCR)观察在成骨分化期间表达水平显著改变的lncRNA。然后,我们筛选了成骨相关的lncRNA,最初命名为lncRNA-TWIST1。此外,我们分别在PPDLSCs(来自牙周炎患者的牙周间充质干细胞)和HPDLSCs(来自健康微环境的牙周间充质干细胞)中上调和下调lncRNA-TWIST1后,检测到TWIST1和成骨相关基因的mRNA表达水平。通过检测ALP活性和茜素红染色来验证成骨程度。

结果显示,LncRNA-TWIST1降低了TWIST1的mRNA水平,促进了PPDLSCs的成骨分化,这可以通过成骨相关基因水平(Runx2,ALP和OCN)的增加,ALP活性的增加以及更多成骨结节的形成来证实。 相反,下调lncRNA-TWIST1降低了PPDLSCs和HPDLSCs中成骨相关基因,ALP活性和成骨结节的表达。 LncRNA-TWIST1通过抑制TWIST1表达促进PPDLSCs和HPDLSCs中的成骨分化。

总之,该研究而记过表明,LncRNA-TWIST1可能是再生牙齿组织的新型治疗策略。

原始出处:

Xu Y, Qin W, LncRNA-TWIST1 Promoted Osteogenic Differentiation Both in PPDLSCs and in HPDLSCs by Inhibiting TWIST1 Expression. Biomed Res Int. 2019 Jun 23;2019:8735952. doi: 10.1155/2019/8735952. eCollection 2019.

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    2020-01-16 sunylz
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    2019-07-29 zhouqu_8
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    2019-07-28 phoebeyan520

    学习了

    0