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KMID : 0620920180500120168
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Experimental & Molecular Medicine
2018 Volume.50 No. 12 p.168 ~ p.168
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A plasma circulating miRNAs profile predicts type 2 diabetes mellitus and prediabetes: from the CORDIOPREV study
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Jimenez-Lucena Rosa
Camargo Antonio
Alcala-Diaz Juan Francisco
Romero-Baldonado Cristina
Luque Raul Miguel
Van Ommen Ben
Delgado-Lista Javier
Ordovas Jose Maria
Perez-Martinez Pablo
Rangel-Zuniga Oriol Alberto
Lopez-Miranda Jose
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Abstract
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We aimed to explore whether changes in circulating levels of miRNAs according to type 2 diabetes mellitus (T2DM) or prediabetes status could be used as biomarkers to evaluate the risk of developing the disease. The study included 462 patients without T2DM at baseline from the CORDIOPREV trial. After a median follow-up of 60 months, 107 of the subjects developed T2DM, 30 developed prediabetes, 223 maintained prediabetes and 78 remained disease-free. Plasma levels of four miRNAs related to insulin signaling and beta-cell function were measured by RT-PCR. We analyzed the relationship between miRNAs levels and insulin signaling and release indexes at baseline and after the follow-up period. The risk of developing disease based on tertiles (T1-T2-T3) of baseline miRNAs levels was evaluated by COX analysis. Thus, we observed higher miR-150 and miR-30a-5p and lower miR-15a and miR-375 baseline levels in subjects with T2DM than in disease-free subjects. Patients with high miR-150 and miR-30a-5p baseline levels had lower disposition index (p?=?0.047 and p?=?0.007, respectively). The higher risk of disease was associated with high levels (T3) of miR-150 and miR-30a-5p (HRT3-T1?=?4.218 and HRT3-T1?=?2.527, respectively) and low levels (T1) of miR-15a and miR-375 (HRT1-T3?=?3.269 and HRT1-T3?=?1.604, respectively). In conclusion, our study showed that deregulated plasma levels of miR-150, miR-30a-5p, miR-15a, and miR-375 were observed years before the onset of T2DM and pre-DM and could be used to evaluate the risk of developing the disease, which may improve prediction and prevention among individuals at high risk for T2DM.
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KEYWORD
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Epigenetics, Predictive markers
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