Tissue remodeling after ocular surface reconstruction with denuded amniotic membrane.

Abstract:

:Amniotic membrane (AM) has been widely used as a temporary or permanent graft in the treatment of various ocular surface diseases. In this study, we compared the epithelial wound healing and tissue remodeling after ocular surface reconstruction with intact amniotic membrane (iAM) or denuded amniotic membrane (dAM). Partial limbal and bulbar conjunctival removal was performed on New Zealand rabbits followed by transplantation of cryo-preserved human iAM or dAM. In vivo observation showed that the epithelial ingrowth was faster on dAM compared to iAM after AM transplantation. Histological observation showed prominent epithelial stratification and increased goblet cell number on dAM after 2 weeks of follow up. Collagen VII degraded in dAM within 2 weeks, while remained in iAM even after 3 weeks. The number of macrophages and α-SMA positive cells in the stroma of remodelized conjunctiva in the dAM transplantation group was considerably less. In conclusion, dAM facilitates epithelial repopulation and goblet cell differentiation, further reduces inflammation and scar formation during conjunctival and corneal limbal reconstruction.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Jie J,Yang J,He H,Zheng J,Wang W,Zhang L,Li Z,Chen J,Vimalin Jeyalatha M,Dong N,Wu H,Liu Z,Li W

doi

10.1038/s41598-018-24694-4

subject

Has Abstract

pub_date

2018-04-23 00:00:00

pages

6400

issue

1

issn

2045-2322

pii

10.1038/s41598-018-24694-4

journal_volume

8

pub_type

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