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Expression and distribution of extracellular matrices during corneal wound healing after keratomileusis in rabbits

Authors
 Shin Jeong Kang  ;  Eung Kweon Kim  ;  Hong Bok Kim 
Citation
 Ophthalmologica, Vol.213(1) : 20-24, 1999 
Journal Title
 Ophthalmologica 
ISSN
 0030-3755 
Issue Date
1999
MeSH
Animals ; Cell Movement ; Collagen/biosynthesis ; Cornea/cytology ; Cornea/metabolism* ; Cornea/surgery ; Corneal Stroma/surgery ; Extracellular Matrix Proteins/biosynthesis* ; Fibrin/biosynthesis ; Fibronectins/biosynthesis ; Fluorescent Antibody Technique ; Follow-Up Studies ; Laser Therapy* ; Rabbits ; Surgical Flaps ; Wound Healing/physiology*
Abstract
We compared the corneal wound healing responses of keratomileusis and keratectomy in rabbits. A single pass of thin lamellar keratectomy was performed with a microkeratome in rabbits. The lenticule was repositioned with a hinge in one group and discarded in the other. With immunofluorescence techniques, we studied the appearance and distribution of fibronectin, fibrinogen and type III collagen at follow-up intervals from 1 h to 3 months. Fibronectin and fibrinogen began to deposit on the periphery of the denuded stroma 3 h after induced injury and diminished once reepithelialization had completed in both groups. In the corneas with attached lenticules, type III collagen was detected 7 days after surgery and lasted for at least 3 months. Type III collagen was detected only in the periphery of the interface and not in its center. These findings suggest that fibronectin and fibrinogen may play roles in epithelial healing after in situ keratomileusis in rabbits. Stromal healing of collagen seems to take place 7 days after keratomileusis and to last for several months. No deposits of new collagens in the center of the interface between lenticule and stromal bed may explain the optical clarity in the keratomileusis.
Full Text
https://www.karger.com/Article/Abstract/27388
DOI
10.1159/000027388
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Ophthalmology (안과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Eung Kweon(김응권) ORCID logo https://orcid.org/0000-0002-1453-8042
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/173886
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