Abstract
TyG (triglyceride and glucose) index using triglyceride and fasting blood glucose is recommended as a useful marker for insulin resistance. To clarify whether the TyG index is a marker for predicting metabolic syndrome (MetS) and to investigate the importance of single-nucleotide polymorphisms (SNPs) in MetS diagnosis. From 2001 to 2014, a longitudinal prospective cohort study of 3580 adults aged 40–70 years was conducted. The area under the receiver operating characteristic curves (AUROC) and Youden index (YI) was calculated to assess the diagnostic value. During the 14-year follow-up, 1270 subjects developed MetS. Five SNPs in four genes (BUD13 rs10790162, ZPR1 rs2075290, APOA5 rs2266788, APOA5 rs2075291, and MKL1 rs4507196) significantly correlated with susceptibility to MetS (p < 0.00005). The areas under the curve of TyG index and HOMA-IR were 0.854 (95% confidence interval [CI], 0.841–0.867) and 0.702 (95% CI, 0.684–0.721), respectively. Despite no statistical significance, AUROC and YI were increased when MetS was diagnosed using TyG index and the five SNPs. TyG index might be useful for identifying individuals at high risk of developing MetS. The combination of TyG index and SNPs showed better diagnostic accuracy than TyG index alone, indicating the potential value of novel SNPs for MetS diagnosis.
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SWK, SKK, YSK, and MSP designed the research; SWK and MSP contributed to review and editing; SWK, SKK, YSK, and MSP preformed the experimental work and analysis; and SWK, SKK, and MSP wrote the paper. All authors approved the manuscript.
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This study was performed in line with the principles of the Declaration of Helsinki. The present study was approved by the Institutional Review Board (IRB; KBP-2017–014) of Korea Centers for Disease Control and Prevention.
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Kang, S.W., Kim, S.K., Kim, Y.S. et al. Risk prediction of the metabolic syndrome using TyG Index and SNPs: a 10-year longitudinal prospective cohort study. Mol Cell Biochem 478, 39–45 (2023). https://doi.org/10.1007/s11010-022-04494-1
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DOI: https://doi.org/10.1007/s11010-022-04494-1