Endothelin-1 serum concentration is lower in children and adolescents with high myopia, a preliminary study

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Abstract

The aim of this study is to evaluate the levels of enothelin-1 (ET-1) in children and adolescents with high myopia and its association with the axial length of the eye and the presence of myopic retinal degeneration. The cross-sectional study was carried out in 57 patients with high myopia and 29 control subjects. Serum concentrations of ET-1 were measured using enzyme-linked immunosorbent assay (ELISA) kit. A significantly lower concentration of ET-1 in highly myopic patients compared to controls was found (1.47 (0.91; 1.87) vs. 1.94 (1.1; 2.69) pg/mL, p = 0.005). In patients with high myopia, a weak negative correlation between ET-1 concentration and the longest axial length out of the two eyes was found (r = −0.255, p = 0.0558). Further analysis revealed statistically significant differences in ET-1 concentration between patients with the axial length of the eye > 26 and ≤ 26 mm (p < 0.041) and patients with the axial length of the eye > 26 mm and controls (p < 0.001). ET-1 expression is disturbed in highly myopic children and adolescents. Lower ET-1 concentration in patients with the axial length of the eye > 26 mm may co-occur with high myopia and should be considered a risk factor in the pathophysiology of high myopia progression.

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Powierza, K., Żelazowska-Rutkowska, B., Sawicka-Powierza, J., Mikołuć, B., Urban, B., Zaremba, W., … Bakunowicz-łazarczyk, A. (2020). Endothelin-1 serum concentration is lower in children and adolescents with high myopia, a preliminary study. Journal of Clinical Medicine, 9(5). https://doi.org/10.3390/jcm9051327

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