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PCOS (polycystic ovary syndrome) is one of the most common endocrinological disorders and it is the threshold of many systemic disorders. There are many studies in the literature on the mechanisms that cause increased oxidation in PCOS. Sestrin protein is known to regulate the oxidation. In this study, it is aimed to examine the changes in the level of sestrin protein in women with PCOS. A total of 60 women participated the study, 30 of whom were diagnosed with PCOS according to the Rotterdam criteria. Also, 30 women were included in the study as the control group. Demographic information, biochemical analysis results, and sestrin levels of the patients in each group were compared. The median sestrin level was 6.2 ± 0.8 in the PCOS group and 3.38 ± 0.4 in the control group ( p  &lt; 0.001). As a result of the evaluation made with ROC analysis, it is observed that serum sestrin levels may be meaningful in the diagnosis of polycystic ovary syndrome. The area under the curve (AUC) value for the 4.69 level was 99.4% ( p  &lt; 0.001, 95% CI: 96.7% vs. 100%, sensitivity: 100%, specificity: 96.7%). Sestrin protein is associated with oxidative stress. Sestrin protein can be used as an indicator of increased oxidative stress in PCOS.

Could sestrin protein in serum be a new marker of oxidative stress in patients with polycystic ovary syndrome?