J Dent Res:Notch通过调节Lamin A协调牙周膜成熟

2019-09-04 lishiting MedSci原创

牙齿萌出是在细胞和组织水平上动态变化的一个连续的生物进程,特别是在牙周膜内(PDL)。咬合关系完成是牙列形成的一个显著性生理学标志。然而,咬合建立所涉及到的信号分子网络对PDL的最终成熟的重要性还未可知。

牙齿萌出是在细胞和组织水平上动态变化的一个连续的生物进程,特别是在牙周膜内(PDL)。咬合关系完成是牙列形成的一个显著性生理学标志。然而,咬合建立所涉及到的信号分子网络对PDL的最终成熟的重要性还未可知。在这篇研究中,作者对大鼠和小鼠磨牙以及人的PDL细胞系进行RNA测序和蛋白质组学分析,在咬合关系建立前后系统性的扫描与调节PDL成熟相关的关键因子。结果显示,Notch,一个调节干细胞命运和分化的核心信号通路,在此过程中扮演着重要角色。通过在小鼠中条件敲除它的核心经典转录因子-RBP-Jkappa以阻碍Notch通路会抑制PDL的成熟。研究也发现,Lamin A为一个细胞核纤层成员,是PDL成熟的一个特异性标志物,并且它的表达受到Notch通路的调控。结论:这篇研究深度理解了PDL成熟在分子水平上的调控机制。作者期望此项结果能够得以应用以更好的理解在不同生理条件下的分子调控网络,如:牙齿萌出和移动以及牙周疾病。原始出处:Denes BJ, Bolton C, et al. Notch Coordinate Periodontal Ligament Maturation through

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    2020-01-06 lxg951
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    2020-05-26 xqptu
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    2019-09-06 karmond
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    2019-09-06 ymljack

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