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eISSN: 2719-3209
ISSN: 0023-2157
Klinika Oczna / Acta Ophthalmologica Polonica
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2/2005
vol. 107
 
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abstract:
Original paper

HLA-DR antygen expression on conjunctival epithelial cells in patients with dry eye

Małgorzata Mru­gacz
1
,
Nel­la­ Ży­wa­lew­ska
1

  1. Klinika Okulistyki Dziecięcej Akademii Medycznej w Białymstoku
Klinika Oczna 2005, 107(4-6): 278-279
Online publish date: 2005/07/02
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Introduction
The aim of this study was to investigate the expression of HLA-DR antigen on conjunctival epithelial cells from patients with dry eye.

Material and methods
Ophthalmic examination and dry eye diagnostic tests were performed. Impression cytology specimens were collected in thirty patients with dry eye and in thirty people of control group. Conjunctival epithelial cells were processed for flow cytometry, by using monoclonal antibodies to HLA-DR.

Results
A significant increase of HLA-DR expression on epithelial cells was found in patients with dry eye compared with normal eyes. We also found positive correlation of increased expression HLA-DR with ocular complaints and diagnostic tests for dry eye such as Schirmer test, FBUT and lissamine green staining.

Conclusions
These results confirm the presence of immunological processes in the pathogenesis of dry eye syndrome. Increased expression of HLA-DR antygen positively correlates with the parameters of dry eye diagnostic tests. HLA-DR measurement might be a useful method for monitoring inflammatory conjunctival changes in this disorder.

keywords:

inflammation, flow cytometry, impression cytology, dry eye

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