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In vitro growth of lens epithelial cells from cataract patients - association with possible risk factors for posterior capsule opacification

Journal article
Authors Karin Sundelin
Anne Petersen
Yalda Soltanpour
Madeleine Zetterberg
Published in The Open Ophthalmology Journal
Volume 8
Pages 19-23
ISSN 1874-3641
Publication year 2014
Published at Institute of Neuroscience and Physiology, Department of Clinical Neuroscience and Rehabilitation
Institute of Biomedicine, Department of Medical Biochemistry and Cell Biology
Pages 19-23
Language en
Links dx.doi.org/10.2174/1874364101408010...
Keywords Cataract; lens; posterior capsule opacification; primary cell culture; risk factors
Subject categories Ophthalmology

Abstract

AIM: Inter-individual differences in intrinsic proliferative capacity of lens epithelial cells may have importance for the risk of developing posterior capsule opacification (PCO) after cataract surgery. The purpose of the present study was to determine growth of human lens epithelial cells (HLEC) in culture and investigate possible associations with clinical characteristics of the donors, such as age, sex, pseudoexfoliation, uveitis and diabetes. METHODS: Pieces of lens capsule and adhering lens epithelial cells were obtained through capsulorhexis at cataract surgery. Specimens were cultured in a humidified CO2-incubator using standard culture medium and 5% fetal calf serum for two weeks after which cultured cells were stained with carboxy-fluorescein diacetate succinimidyl ester. Image processing software was used to determine the area of the confluent epithelial cell layer in relation to the size of the original capsule specimen. RESULTS: The increase in area of confluent HLEC showed a negative correlation with diabetes at the first week after surgery. Lower age and female sex showed border-line significant associations with a higher rate of cell proliferation. The presence of pseudoexfoliation in vivo did not significantly affect cell growth in culture postoperatively. Nor did installation of xylocain in the anterior chamber during surgery. CONCLUSION: Diabetes is associated with lower rate of proliferation of lens epithelial cells in culture. The lack of strong correlations between in vitro growth and known risk factors for PCO in the donors suggest that other factors than the proliferative capacity of the cells per se are important for PCO formation.

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