Document Detail

Correlation between the matrix metalloproteinase-9 activity and chondroitin sulfate concentrations in tear fluid after laser in situ keratomileusis.
MedLine Citation:
PMID:  20689736     Owner:  NLM     Status:  PubMed-not-MEDLINE    
AIMS: The aim of the present study was to evaluate the correlation between matrix metalloproteinase-9 (MMP-9) and chondroitin sulfate (CS) concentrations in human tear fluid following laser in situ keratomileusis (LASIK).
METHODS: Twelve eyes from six patients who had no ocular complaints except for refractive errors, and who had undergone LASIK, were enrolled in this study. We measured the concentrations of chondroitin 4 sulfate (C4S), chondroitin 6 sulfate (C6S), and MMP-9 activity with an enzyme-linked immunosorbent assay and an enzyme immunocapture activity assay preoperatively and postoperatively on days 1 and 4, week 1, and at 1 and 3 months.
RESULTS: Although the preoperative MMP-9 activity and the C4S concentration were highly correlated (r = 0.900; P < 0.001), they were not postoperatively correlated at month 1. Although the preoperative MMP-9 activity and the C6S concentration were highly correlated (r = 0.885; P < 0.001), they were not postoperatively correlated at either week 1 or months 1 and 3.
CONCLUSIONS: The correlation appeared to be collapsed by LASIK, and it did not recover to the preoperative score at 3 months post-surgery. Our study indicates that the corneal wound healing was not terminated at 3 months following LASIK.
Tetsuya Mutoh; Masaya Nishio; Yukihiro Matsumoto; Kiyomi Arai
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Publication Detail:
Type:  Journal Article     Date:  2010-07-30
Journal Detail:
Title:  Clinical ophthalmology (Auckland, N.Z.)     Volume:  4     ISSN:  1177-5483     ISO Abbreviation:  Clin Ophthalmol     Publication Date:  2010  
Date Detail:
Created Date:  2010-08-06     Completed Date:  2011-06-29     Revised Date:  2013-05-29    
Medline Journal Info:
Nlm Unique ID:  101321512     Medline TA:  Clin Ophthalmol     Country:  New Zealand    
Other Details:
Languages:  eng     Pagination:  823-8     Citation Subset:  -    
Department of Ophthalmology, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan.
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