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Diagnostic Value of Serum MiR-587 in Patients with Metabolic Syndrome by Jun Guo, Yajun Lin, Jie Wei, Xin Zhang, Chunxiao Yang, Jingyu Sun, Yang Zhang, Gang Hu, Jian Li

Background: The current study aims to explore the changes of serum miR-587 level in patients with metabolic syndrome (MS) and analyze its clinical diagnostic value.
Methods: The serum levels of miR-587 in 50 patients with hyperglycemia, 50 patients with hyperlipidemia, and 50 healthy controls were detected by RT-qPCR. The diagnostic value of serum miR-587 was detected by ROC analy-sis and correlation analysis in MS. Dual luciferase reporter assay was carried out to determine the possible target gene of miR-587.
Results: The results of RT-qPCR showed that the relative content of serum miR-587 in patients with hyperglyce-mia and hyperlipidemia was 0.45 ± 0.30, 0.41 ± 0.30, compared with 1 ± 0.87 in healthy people. The area under ROC curve (AUC) of serum miR-587 in hyperglycemic patients was 0.830 (95% CI = 0.716 - 0.863, p < 0.001), with the sensitivity of 68.6% and specificity of 89.3%. The AUC of serum miR-587 in hyperlipidemia patients was 0.790 (95% CI = 0.759 - 0.851, p < 0.001), with the sensitivity of 78% and specificity of 89.7%. Correlation analysis showed that serum miR-587 level was negatively correlated with fasting blood glucose (FBG) (r = -0.291, p < 0.05), and negatively correlated with total cholesterol (TC) (r = -0.243, p < 0.01). Furthermore, dual luciferase reporter assay showed that PTEN was the target gene of miR-587.
Conclusions: In summary the decreased expression of miR-587 in serum is a potential diagnostic marker and in-dependent risk factor in patients with MS.

DOI: 10.7754/Clin.Lab.2019.181253