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Published in: Acta Diabetologica 2/2020

01-02-2020 | Insulins | Original Article

Circulatory miRNA biomarkers of metabolic syndrome

Authors: F. Ramzan, R. F. D’Souza, B. R. Durainayagam, A. M. Milan, J. F. Markworth, V. Miranda-Soberanis, I. R. Sequeira, N. C. Roy, S. D. Poppitt, C. J. Mitchell, D. Cameron-Smith

Published in: Acta Diabetologica | Issue 2/2020

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Abstract

Aims

Circulatory microRNAs (c-miRNAs) exert important roles in the molecular dysregulation of cardio-metabolic diseases. However, little is known whether dysregulated miRNA expression occurs when risk factors are elevated, as in the metabolic syndrome (MetS). This study quantified c-miRNA expression in individuals with MetS compared to healthy, further examining the relationship of gene pathways with the underlying pathogenesis.

Methods

Expression of 26 miRNAs was quantified in plasma from 40 women (20 healthy and 20 MetS) and 39 men (20 healthy and 19 MetS) by qPCR. In silico analysis was performed to investigate biological effects of the dysregulated miRNAs. Dysregulated miRNA expression was further validated in an independent cohort of 20 women (10 healthy and 10 MetS).

Results

Regression model adjusted for age and sex identified miR-15a-5p, miR-17-5p, miR-370-3p and miR-375 as important predictors of MetS presence. Analysis of predictive miRNAs in the validation cohort strengthened the relationship with miR-15a-5p and miR-17-5p expression. These miRNAs share genes involved in the regulation of metabolic pathways including insulin, wnt, fatty acid metabolism and AMPK.

Conclusions

miR-15a-5p and miR-17-5p were identified as predictive biomarkers of MetS, irrespective of sexes, further demonstrating the relationship of c-miRNAs to known pathways of metabolic disturbances present in cardio-metabolic diseases.
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Metadata
Title
Circulatory miRNA biomarkers of metabolic syndrome
Authors
F. Ramzan
R. F. D’Souza
B. R. Durainayagam
A. M. Milan
J. F. Markworth
V. Miranda-Soberanis
I. R. Sequeira
N. C. Roy
S. D. Poppitt
C. J. Mitchell
D. Cameron-Smith
Publication date
01-02-2020
Publisher
Springer Milan
Published in
Acta Diabetologica / Issue 2/2020
Print ISSN: 0940-5429
Electronic ISSN: 1432-5233
DOI
https://doi.org/10.1007/s00592-019-01406-6

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