Morphological observations of rat corneal endothelial cells after exposure to ozonated solution.

Abstract:

PURPOSE:To determine whether exposure to ozonated solution alters the morphology of corneal endothelial cells in rats and to examine the protective effect of ascorbic acid. METHODS:The anterior chambers of rat eyes were filled with 4 ppm of ozonated solution. Some were left in that state, while others were flushed out either 10, 30, or 60 s after exposure to a balanced salt solution (BSS), or to BSS containing 0.001 M ascorbic acid. Corneal endothelial cells were assessed by scanning and electron microscopy either 1 h or 1 week after treatment, and the expressions of aquaporin (AQ)-1 and zonula occludens (ZO)-1 were determined by immunohistochemistry. RESULTS:When exposure time was longer than 10 s, damaged cell membranes and abnormal organelles were observed 1 h after treatment. The longer the exposure time, the more severe the observed alterations; however, the eyes regained almost their normal state at 1 week. When the BSS contained ascorbic acid, no severe damage was observed under any condition. Normal AQ-1 and ZO-1 expressions were observed even with 60 s of exposure when ascorbic acid was used. CONCLUSIONS:A short period of irrigation of the anterior chamber with ozonated solution does not harm the corneal endothelium even when used in combination with ascorbic acid.

journal_name

Jpn J Ophthalmol

authors

Suzuki H,Sato S,Murano N,Matsui H,Oharazawa H,Takahashi H

doi

10.1007/s10384-008-0629-4

subject

Has Abstract

pub_date

2009-03-01 00:00:00

pages

151-158

issue

2

eissn

0021-5155

issn

1613-2246

pii

10.1007/s10384-008-0629-4

journal_volume

53

pub_type

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