J Clin Periodontol:自噬在口腔粘膜愈合过程的作用

2017-10-13 MedSci MedSci原创

众所周知,牙周组织愈合比皮肤快,特别是牙龈愈合而没有瘢痕形成。调节这种行为的机制仍不清楚。我们的实验目的是比较口腔黏膜和牙龈伤口愈合,研究α-平滑肌肌动蛋白(αSMA)表达肌成纤维细胞和自噬的作用。

众所周知,牙周组织愈合比皮肤快,特别是牙龈愈合而没有瘢痕形成。调节这种行为的机制仍不清楚。我们的实验目的是比较口腔黏膜和牙龈伤口愈合,研究α-平滑肌肌动蛋白(αSMA)表达肌成纤维细胞和自噬的作用。

在7个患者的口腔粘膜和附着龈中行垂直松弛切口后立即和24h取活组织检查。来自相同组织的成纤维细胞的全部活检和原代培养物进行免疫荧光,Western印迹和实时定量PCR分析。实验证实在口腔粘膜中,在修复期间以部分纤维化结局为特征,自噬的活化决定了αSMA和胶原1a1生成的增加。相反,伤口愈合没有刺激附着龈中的自噬,因此,不会看到肌成纤维细胞分化和胶原蛋白沉积的增加,从而证明其无疤痕。

牙周组织中自噬的差异调控及其与肌成纤维细胞分化和纤维化结果的相关性的阐明,可以用于牙周愈合中新分子的鉴定和改善牙周治疗术后创伤的新手术方法的发展。

原始出处:

Enrica Vescarelli, et al. Autophagy activation is required for myofibroblast differentiation during healing of oral mucosa. Journal of Clinical Periodontology. 2017 October. doi: 10.1111/jcpe.12767

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    2018-08-15 guoyibin
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    2018-08-13 feather89
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    2017-10-13 1851f7083bm

    7个不少吧

    0

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    2017-10-13 137****9095

    henhao

    0

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