期刊
EXPERIMENTAL EYE RESEARCH
卷 146, 期 -, 页码 361-369出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.exer.2015.08.023
关键词
Cornea; Wound healing; Mouse; Epithelium; Erosions; Reinnervation; Subbasal nerves
资金
- NIH [EY08512, EY021784, EY023106]
Corneal epithelial basement membrane dystrophies and superficial injuries caused by scratches can lead to recurrent corneal erosion syndrome (RCES). Patients and animals with reduced corneal sensory nerve innervation can also develop recurrent erosions. Multiple wild-type mouse strains will spontaneously develop recurrent corneal erosions after single 1.5 mm debridement wounds. Here we show that this wound is accompanied by an increase in corneal epithelial cell proliferation after wound closure but without a commensurate increase in corneal epithelial thickness. We investigated whether excess corneal epithelial cell proliferation contributes to erosion formation. We found that topical application of Mitomycin C (MMC), a drug used clinically to improve healing after glaucoma and refractive surgery, reduces erosion frequency, enhances subbasal axon density to levels seen in unwounded corneas, and prevents excess epithelial cell proliferation after debridement wounding. These results suggest that topically applied MMC, which successfully reduces corneal haze and scarring after PRIG, may also function to enhance subbasal nerve regeneration and epithelial adhesion when used to treat RCES. (c) 2015 Elsevier Ltd. All rights reserved.
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