Epidermal Growth Factor Receptor Expression in the Corneal Epithelium.

Epidermal Growth Factor Receptor Expression in the Corneal Epithelium.
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表皮生长因子受体在角膜上皮中的表达。

DOI:
10.3390/cells10092409
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发表时间:
2021-09-13
期刊:
影响因子:
6
通讯作者:
Ceresa BP
Ceresa BP
中科院分区:
生物学2区
文献类型:
--
作者:
Peterson JL;Ceresa BP

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一个功能正常的角膜对于清晰的视力和健康的眼睛至关重要。作为眼睛的最前部,它在将光线折射到视网膜上以及作为对环境的解剖屏障方面发挥着至关重要的作用。正确的视觉要求所有的层都正确形成并完全完好无损。在这篇文章中,我们讨论了表皮生长因子受体(EGFR)在维持和修复角膜最外层--上皮--中的作用。人们已经知道,添加表皮生长因子(EGF)可以促进角膜上皮的恢复,而使用EGFR抑制剂作为抗癌治疗的患者面临更高的角膜侵蚀风险。然而,EGF在临床上的应用受到该受体下调的限制。在EGFR信号转导和角膜上皮细胞转运方面的最新进展为如何克服受体脱敏提供了新的见解。我们研究了克服高配体和受体表达的限制的新策略,这些限制改变了配体的运输:维持受体信号的受体复合体。
A properly functioning cornea is critical to clear vision and healthy eyes. As the most anterior portion of the eye, it plays an essential role in refracting light onto the retina and as an anatomical barrier to the environment. Proper vision requires that all layers be properly formed and fully intact. In this article, we discuss the role of the epidermal growth factor receptor (EGFR) in maintaining and restoring the outermost layer of the cornea, the epithelium. It has been known for some time that the addition of epidermal growth factor (EGF) promotes the restoration of the corneal epithelium and patients using EGFR inhibitors as anti-cancer therapies are at increased risk of corneal erosions. However, the use of EGF in the clinic has been limited by downregulation of the receptor. More recent advances in EGFR signaling and trafficking in corneal epithelial cells have provided new insights in how to overcome receptor desensitization. We examine new strategies for overcoming the limitations of high ligand and receptor expression that alter trafficking of the ligand:receptor complex to sustain receptor signaling.
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