anti-angiogenic and anti-inflammatory effects of serpina3k on corneal injury抗血管生成和抗炎serpina3k对角膜损伤的影响.pdfVIP

anti-angiogenic and anti-inflammatory effects of serpina3k on corneal injury抗血管生成和抗炎serpina3k对角膜损伤的影响.pdf

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anti-angiogenic and anti-inflammatory effects of serpina3k on corneal injury抗血管生成和抗炎serpina3k对角膜损伤的影响

Anti-Angiogenic and Anti-Inflammatory Effects of SERPINA3K on Corneal Injury 1. 1. 1 1 1 1 2 Xiaochen Liu , Zhirong Lin , Tong Zhou , Ronrong Zong , Hui He , Zhen Liu , Jian-xing Ma , Zuguo 1 1 Liu *, Yueping Zhou * 1 Eye Institute of Xiamen University, Fujian Provincial Key Laboratory of Ophthalmology and Visual Science, Xiamen, China, 2 Department of Physiology, The University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, United States of America Abstract SERPINA3K is a member of the serine proteinase inhibitor (SERPIN) family. Here we evaluated the therapeutic effects of SERPINA3K on neovascularization and inflammation in a rat cornea alkali burn model that is commonly employed to study corneal wounding. Topical treatment of the injured rat cornea with SERPINA3K (20 mg/eye/day) for 7 days significantly decreased the neovascular area, compared with the groups treated with BSA or PBS. The SERPINA3K treatment also ameliorated the corneal inflammation as evaluated by the inflammatory index. Furthermore, SERPINA3K enhanced the recovery of corneal epithelium after the alkali injury. Toward the mechanism of action, SERPINA3K down-regulated the expression of the pro-angiogenic and pro-inflammatory factors, vascular endothelial growth factor and tumor necrosis factor-a and up-regulated the expression of the anti-angiogenic factor, pigment epithelium-derived factor. SERPINA3K specifically inhibited growth of vascular endothelial cells. Meanwhile, SERPINA3K significantly up-regulated the expression of EGFR in the corneal epithelium. These findings suggest that SERPINA3K has the

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