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Int Ophthalmol ; 39(1): 167-173, 2019 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-29260496

RESUMEN

PURPOSE: To investigate rs2107856 single-nucleotide polymorphism (SNP) of CNTNAP2 gene in Turkish population with pseudoexfoliation and to correlate clinical characteristics with the genotypic profile. MATERIALS AND METHODS: Forty-three patients with pseudoexfoliation syndrome (PXS), 46 patients with pseudoexfoliation glaucoma (PXG) and 99 healthy controls were enrolled. Comprehensive ophthalmological examination, central corneal thickness measurement and retinal nerve fiber layer thickness analysis of the peripapillary area were performed. Blood samples of 2 mL with EDTA were obtained and sent for genetic analysis. The role of the detected polymorphism on disease tendency along with the genotype and allele frequencies in each group was evaluated. RESULTS: The mean age of the groups was 70.0 ± 8.0 (range 51-86) in PXS, 71.2 ± 8.8 (range 51-93) in PXG and 64.6 ± 8.3 (range 51-91) in controls. The percentages of homozygote individuals were 11.6, 10.9, 21.2%, and heterozygote individuals were 41.9, 45.7, 42.4% in patients with PXS, PXG and controls, respectively. There was no statistically significant difference between groups in terms of both genotype and allele frequencies of rs2107856 (p = 0.429 and p = 0.178, respectively). Retinal nerve fiber layer thickness did not differ between SNP-positive and SNP-negative individuals in PXG, and there was no significant difference between genotype and age, sex, best corrected visual acuity, intraocular pressure, central corneal thickness, cup/disk ratio and retinal nerve fiber layer thickness in any of the groups (p > 0.05). CONCLUSION: rs2107856 SNP of CNTNAP2 gene has no association with PXS and PXG in the evaluated Turkish population.


Asunto(s)
ADN/genética , Síndrome de Exfoliación/genética , Presión Intraocular/fisiología , Proteínas de la Membrana/genética , Proteínas del Tejido Nervioso/genética , Polimorfismo Genético , Anciano , Anciano de 80 o más Años , Estudios Transversales , Síndrome de Exfoliación/diagnóstico , Síndrome de Exfoliación/epidemiología , Femenino , Genotipo , Humanos , Incidencia , Masculino , Proteínas de la Membrana/metabolismo , Persona de Mediana Edad , Proteínas del Tejido Nervioso/metabolismo , Reacción en Cadena de la Polimerasa , Estudios Prospectivos , Células Ganglionares de la Retina/patología , Tomografía de Coherencia Óptica , Turquía/epidemiología , Agudeza Visual
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