Polymorphism of the transferrin gene in eye diseases: keratoconus and Fuchs endothelial corneal dystrophy

BioMed Research International
Katarzyna A WojcikJacek Pawel Szaflik

Abstract

Oxidative stress may play a role in the pathogenesis of keratoconus (KC) and Fuchs endothelial corneal dystrophy (FECD). Iron may promote the stress by the Fenton reaction, so its homeostasis should be strictly controlled. Transferrin is essential for iron homeostasis because it transports iron from plasma into cells. The malfunction of transferrin, which may be caused by variation in its gene (TF) variation, may contribute to oxidative stress and change KC and FECD risk. To verify this hypothesis we investigated the association between three polymorphisms of the TF gene, g.3296G>A (rs8177178), g.3481A>G (rs8177179), and c.-2G>A (rs1130459), and KC and FECD occurrence. Genotyping was performed in blood lymphocytes in 216 patients with KC, 130 patients with FECD and 228 controls by PCR-RFLP. We studied also the influence of other risk factors. The A/A genotype and the A allele of the g.3296G>A polymorphism were associated with KC occurrence, while the G allele was negatively correlated with it. We observed a decrease in KC occurrence associated with the A/G genotype of the g.3481A>G polymorphism. We did not find any association between the c.-2G>A polymorphism and KC. No association was found between all three polymorphisms and ...Continue Reading

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Citations

Oct 31, 2014·International Journal of Molecular Sciences·Katarzyna A WojcikJacek P Szaflik
Sep 22, 2015·Medical Science Monitor : International Medical Journal of Experimental and Clinical Research·Katarzyna A WójcikJacek P Szaflik
Dec 30, 2016·Molecular Genetics and Genomics : MGG·Justyna A Karolak, Marzena Gajecka
Aug 7, 2014·Asia-Pacific Journal of Ophthalmology·Inas F Aboobakar, R Rand Allingham
Jun 25, 2018·Journal of Molecular Neuroscience : MN·Yi CaiFaqing Long
Aug 26, 2021·Investigative Ophthalmology & Visual Science·Maite López-LópezIsabel Lema

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Datasets Mentioned

BETA
ENSG00000051180

Methods Mentioned

BETA
MDA
confocal microscopy
PCR

Software Mentioned

Primer3
Orbscan
SigmaPlot

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