Levy Issac, Dollberg Dolev, Bahar Irit, Dotan Assaf, Issac Levy
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引用次数: 0
Abstract
Background: Diabetes poses a risk to diabetic keratopathy in up to two-thirds of patients. Insulin-degrading enzyme (IDE) is a protease that can break down insulin and several growth factors and may impair wound healing. Increased IDE levels have been found in fluid from diabetic skin ulcers. This study sought to determine the effect of IDE inhibitor on corneal wound healing in a rat model.
Methods: Thirty-four male Wistar rats were divided into two groups: no diabetes and streptozocin-induced diabetes. Six weeks later, a 4-mm central corneal erosion was created under anesthesia in the right eye of all rats. In each group, half the rats were treated with ADT21 drops (IDE inhibitor) and half with NaCl 0.9% (sham) drops, four times daily. Image J analysis was performed to evaluate the area of erosion and healing rate.
Results: There was a trend for more rapid healing in rats treated with IDEI than NaCl drops, regardless of the diabetic condition. Comparison of erosion closure over time revealed that the wounds closed significantly more quickly in the non-diabetic rats treated with IDEI than in the non-diabetic rats treated with NaCl (p = 0.045), overall mean closure time 56.00 h, 95% CI [50.54, 61.46]. No such difference was seen in the diabetic group.
Conclusions: To our knowledge, this is the first study to test ADT21 drops as a novel treatment for corneal wound repair. Our results suggest a potential benefit of IDE inhibitor for treating corneal injury.
期刊介绍：
Graefe''s Archive for Clinical and Experimental Ophthalmology is a distinguished international journal that presents original clinical reports and clini-cally relevant experimental studies. Founded in 1854 by Albrecht von Graefe to serve as a source of useful clinical information and a stimulus for discussion, the journal has published articles by leading ophthalmologists and vision research scientists for more than a century. With peer review by an international Editorial Board and prompt English-language publication, Graefe''s Archive provides rapid dissemination of clinical and clinically related experimental information.
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