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J Endod:具有高血管发生潜力的外染色体应用于牙髓再生的可能性

2018-02-19 lishiting MedSci原创

血管发生对牙髓再生起到十分重要的作用。外染色体是旁分泌的一个关键组成部分。研究发现,它是调节血管发生的重要因子。然而,牙髓细胞衍生的外染色体(DPC-Exos)在血管发生过程中的作用却还未可知。为此,这篇研究的目的是为了评估DPC-Exos在人脐静脉内皮细胞(HUVECs)中促血管发生的特性。

血管发生对牙髓再生起到十分重要的作用。外染色体是旁分泌的一个关键组成部分。研究发现,它是调节血管发生的重要因子。然而,牙髓细胞衍生的外染色体(DPC-Exos)在血管发生过程中的作用却还未可知。为此,这篇研究的目的是为了评估DPC-Exos在人脐静脉内皮细胞(HUVECs)中促血管发生的特性。研究通过超速离心法从牙髓细胞(DPC)培养基的上清液中分离外染色体,并采用透射电子显微镜、WB和纳米粒子追踪的方法观察分析所分离的外染色体特性。体外检测它在HUVEC增殖、促血管发生因子表达和管形成过程中的作用。作者从DPCs中分离外染色体并对其进行观察分析显示,DPC-Exos可以促进HUVEC增殖、促血管发生因子的表达和管形成。另外,研究发现,抑制p38胞外信号调节激酶(MAPK)信号会增加DPC-Exos诱导的管形成。结论:总的来说,这些结果表明,DPC-Exos在血管发生过程中扮演着极其重要的角色。并且,抑制p38 MAPK信号能够增强小管的形态发生。原始出处:Xian X, Gong Q, et al. Exosomes with Highly Angiogenic Potential

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    2019-01-05 jxrzshh
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    2018-02-20 清风拂面

    谢谢分享学习

    0

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    2018-02-19 1e1b8538m79(暂无匿称)

    不错的文章值得拥有哦

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