Abstract
OBJECTIVE: Advanced glycation end products (AGEs) activate the intracellular Nuclear Factor-ϰB pathway in endothelial cells, leading to production of endothelin-1 (ET-1), a peptide which causes endothelial dysfunction. The aim of the present study was to assess ΕΤ-1 and AGEs levels in women with polycystic ovary syndrome (PCOS) and controls and to investigate any potential relationship between them. DESIGN: Metabolic and hormonal data from 75 women with PCOS and 25 controls, matched for age and ΒΜΙ were analyzed and correlated to AGEs and ET-1 levels. RESULTS: Serum levels of ΕΤ-1 (1.55±0.13 vs. 0.37±0.10 pmol/l, p:0.003) and AGEs (8.34±1,81 vs. 5.77±0.78U/ml, p:0.002) were significantly higher in the PCOS group. ΕΤ-1 was correlated with AGES (r:0.54, p<0.001), Testosterone (r: 0.38, p<0.001), ΔΑ4 (r: 0.41, p<0.001) and FAI (r: 0.21, p<0.05). However, multiple linear regression analysis in the total study population showed that ΕΤ-1 was positively associated only with AGES (β: 0.22, p<0.001). CONCLUSIONS: ET-1 levels were positively and strongly associated with AGEs in both PCOS women and controls, suggesting that the detrimental effect of AGEs on endothelial cells may involve increased ET-1 production.
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Charikleia, C., Frangiskos, E., Sarantis, L. et al. Strong and positive association of Endothelin-1 with AGEs in PCOS: A causal relationship or a bystander?. Hormones 10, 292–297 (2011). https://doi.org/10.14310/horm.2002.1320
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DOI: https://doi.org/10.14310/horm.2002.1320