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LMWH inhibits anterior chamber inflammation after extra capsular lens extraction through down regulation of bFGF content in aqueous humor.

Abstract：

AIM:To observe the changes of basic fibroblast growth factor (bFGF) content in anterior chamber before and after extra capsular lens extraction for investigating the mechanism of low molecular weight heparin (LMWH) inhibiting anterior chamber inflammation. METHODS:Eighty-four rabbits were randomly divided into control and experimental group, 42 rabbits in each group. Extra capsular lens extraction was done on unilateral eye in each rabbit. LMWH was perfused into anterior chamber by the concentration of 50U/mL at the end of operation in experimental group. The degrees of corneal edema, aqueous flare and fibrin were evaluated with slit lamp microscope on postoperative day 1, 3, 6, 15, 30, 45 and 60, respectively. Six eyes of each group were at each time point. Contents of bFGF in aqueous humor were determined by ELISA after animals were killed. Another six eyes were used for determining the base line level of bFGF in aqueous humor. RESULTS:The degrees of corneal edema, aqueous flare and fibrin in experimental group were significantly lighter than those in control group (P<0.01) on postoperative day 1, 3 and 6, respectively. No difference was showed between the two groups at other point time. Contents of bFGF in aqueous humor increased at the same time. bFGF content reached peak on postoperative day 1 in experimental group, while on postoperative day 6 in control group. Contents of bFGF in the two groups declined slowly after reaching peak. The bFGF content in control group were significantly higher than that in experimental group 1-30 days after surgery (P<0.05). No significant differences were shown between the two groups on postoperative day 45 and 60, respectively. CONCLUSION:Perfusion with LMWH by the concentration of 50U/mL can significantly reduce anterior chamber inflammation after extra capsular lens extraction in rabbits, which may be related to down regulation of bFGF content in aqueous humor.

journal_name

Int J Ophthalmol

journal_title

International journal of ophthalmology

authors

Wang JM,Xiong L,Xiong QC,Fan YZ

doi

10.3980/j.issn.2222-3959.2012.04.05

subject

Has Abstract

pub_date

2012-01-01 00:00:00

pages

430-3

issue

4

eissn

2222-3959

issn

2227-4898

pii

ijo-05-04-430

journal_volume

5

pub_type

杂志文章

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