May 2005
Volume 46, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2005
Expressions of MMP–2 and TIMP–2 in Early Corneal Alkali Burn With Amniotic Membrane Transplantation in Rabbits
X.–J. Zhu; X.–L. Han; Y.–Z. Zheng; X.–H. Wang; G.–X. Xu
Author Affiliations & Notes
  • X.–J. Zhu
    Dept. of Ophthalmology, The 1st Affiliated Hospital of Fujian Med. Uni., Fuzhou, China
  • X.–L. Han
    Dept. of Ophthalmology, The 1st Affiliated Hospital of Fujian Med. Uni., Fuzhou, China
  • Y.–Z. Zheng
    Dept. of Ophthalmology, The 1st Affiliated Hospital of Fujian Med. Uni., Fuzhou, China
  • X.–H. Wang
    Dept. of Ophthalmology, The 1st Affiliated Hospital of Fujian Med. Uni., Fuzhou, China
  • G.–X. Xu
    Dept. of Ophthalmology, The 1st Affiliated Hospital of Fujian Med. Uni., Fuzhou, China
  • Footnotes
    Commercial Relationships  X. Zhu, None; X. Han, None; Y. Zheng, None; X. Wang, None; G. Xu, None.
  • Footnotes
    Support  None.
Investigative Ophthalmology & Visual Science May 2005, Vol.46, 4984. doi:
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      X.–J. Zhu, X.–L. Han, Y.–Z. Zheng, X.–H. Wang, G.–X. Xu; Expressions of MMP–2 and TIMP–2 in Early Corneal Alkali Burn With Amniotic Membrane Transplantation in Rabbits . Invest. Ophthalmol. Vis. Sci. 2005;46(13):4984.

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Abstract

Abstract: : Purpose: To investigate the distributions and expressions of MMP–2 and TIMP–2 in early corneal alkali burn with amniotic membrane transplantation (AMT) in rabbits. Methods: Fifty–four of New Zealand white rabbits were used to made corneal alkali burn model and randomly divided into fresh amniotic membrane transplantation group (fAMT), preserved amniotic membrane transplantation group (pAMT) and control group (C). The right eyes were transplanted with fresh or preserved amniotic membrane 30min after burn in fAMT or pAMT group, respectively. The pathohistology and expressions of MMP–2 and TIMP–2 by immunohistochemistry of cornea were observed using a microscope or computer image analysis system on the 14th, 30th, and 60th day after operation, respectively. Results: Corneal epithelium healing,inflammatory cell infiltration, and neovascularization in AMT were better improved than those in C. The levels of MMP–2 were significantly (P<0.01) decreased and those of TIMP–2 increased in fAMT when compared with pAMT, and both of these values were significantly (P<0.01) lower than those of C group. Conclusions: The interaction and balance between MMP–2 and TIMP–2 may play an important role in amniotic membrane transplantation for early corneal alkali burn in rabbits. The fAMT is more effective in corneal healing process than pAMT.

Keywords: extracellular matrix • immunohistochemistry • transplantation 
© 2005, The Association for Research in Vision and Ophthalmology, Inc., all rights reserved. Permission to republish any abstract or part of an abstract in any form must be obtained in writing from the ARVO Office prior to publication.
Copyright © 2015 Association for Research in Vision and Ophthalmology.
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