Role of matrix metalloproteinases in epithelial migration.

Role of matrix metalloproteinases in epithelial migration.
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DOI:
10.1002/jcb.22363
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发表时间:
2009-12-15
影响因子:
4
通讯作者:
Parks WC
Parks WC
中科院分区:
生物学2区
文献类型:
--
作者:
Chen P;Parks WC

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响应于损伤,上皮细胞迁移穿过裸露的组织以快速闭合伤口并恢复屏障,从而防止病原体进入和液体泄漏。有效、适当的迁移需要一系列过程,在细胞内外都起作用。细胞外反应包括多种基质金属蛋白酶(MMPs)的表达。虽然长期以来被认为可以简单地通过打破基质屏障来缓解细胞迁移,但各种模型的研究结果表明,MMPs通过其他方式促进(有时抑制)细胞运动,例如影响细胞-基质相互作用或增殖的状态。在这篇前景中,我们回顾了一些关键数据,表明特定的基质金属蛋白酶如何通过其蛋白酶活性来控制上皮伤口的闭合。
In response to injury, epithelial cells migrate across the denuded tissue to rapidly close the wound and restore barrier, thereby preventing the entry of pathogens and leakage of fluids. Efficient, proper migration requires a range of processes, acting both inside and out of the cell. Among the extracellular responses is the expression of various matrix metalloproteinases (MMPs). Though long thought to ease cell migration simply by breaking down matrix barriers, findings from various models demonstrate that MMPs facilitate (and sometimes repress) cell movement by other means, such as affecting the state of cell–matrix interactions or proliferation. In this Prospect, we review some key data indicting how specific MMPs function via their activity as proteinases to control closure of epithelial wounds.
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