Adhesion of laser in situ keratomileusis-like flaps in the cornea

Effects of crosslinking, stromal fibroblasts, and cytokine treatment

Shengli Mi, Erin P. Dooley, Julie Albon, Michael E. Boulton, Keith M. Meek, Christina S. Kamma-Lorger

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Purpose: To evaluate 3 approaches, both cellular and acellular, to improve the healing of laser in situ keratomileusis flaps in bovine corneas. Setting: School of Optometry and Vision Sciences and Cardiff Institute of Tissue Engineering and Repair, Cardiff University, Cardiff, United Kingdom. Design: Experimental study. Methods: Laser in situ keratomileusis-like flaps were created in bovine corneas, and the flap bed was treated with tumor necrosis factor-α, interleukin-1α, Fas ligand, transforming growth factor-β1, or activated stromal fibroblasts. In separate experiments, flaps were created and repositioned. The corneas were then crosslinked using ultraviolet-A (UVA) light. All samples were then placed in organ culture for up to 4 weeks. Untreated samples acted as controls. Results: All treatments increased the adherence of the stromal flap. This was achieved at the expense of corneal clarity except in the case of crosslinking (CXL). In this case, the flap adhesion force immediately increased while the cornea remained clear. The force then decreased gradually during organ culture, although it remained at twice the level of the control corneas after 3 weeks in culture. Conclusions: The results suggest that riboflavin-UVA CXL is a hopeful approach for increasing the adherence strength of corneal flaps while keeping the cornea clear. Further studies are necessary to confirm the durability of the strengthening effect and to exclude serious late complications. Financial Disclosure: No author has a financial or proprietary interest in any material or method mentioned.

Original languageEnglish (US)
Pages (from-to)166-172
Number of pages7
JournalJournal of Cataract and Refractive Surgery
Volume37
Issue number1
DOIs
StatePublished - Jan 2011
Externally publishedYes

Fingerprint

Laser In Situ Keratomileusis
Cornea
Fibroblasts
Cytokines
Organ Culture Techniques
Therapeutics
Optometry
Fas Ligand Protein
Riboflavin
Disclosure
Transforming Growth Factors
Tissue Engineering
Ultraviolet Rays
Interleukin-1
Research Design
Tumor Necrosis Factor-alpha

ASJC Scopus subject areas

  • Ophthalmology
  • Sensory Systems
  • Surgery

Cite this

Adhesion of laser in situ keratomileusis-like flaps in the cornea : Effects of crosslinking, stromal fibroblasts, and cytokine treatment. / Mi, Shengli; Dooley, Erin P.; Albon, Julie; Boulton, Michael E.; Meek, Keith M.; Kamma-Lorger, Christina S.

In: Journal of Cataract and Refractive Surgery, Vol. 37, No. 1, 01.2011, p. 166-172.

Research output: Contribution to journalArticle

Mi, Shengli ; Dooley, Erin P. ; Albon, Julie ; Boulton, Michael E. ; Meek, Keith M. ; Kamma-Lorger, Christina S. / Adhesion of laser in situ keratomileusis-like flaps in the cornea : Effects of crosslinking, stromal fibroblasts, and cytokine treatment. In: Journal of Cataract and Refractive Surgery. 2011 ; Vol. 37, No. 1. pp. 166-172.
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