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Publication: MicroRNAs-1299, -126-3p and -30e-3p as potential diagnostic biomarkers for prediabetes
Weale, C.J. ; Matshazi, D.M. ; Davids, S.F.G. ; Raghubeer, S. ; Erasmus, R.T. ; Kengne, A.P. ; Davison, G.M. ; Matsha, T.E.
Weale, C.J.
Matshazi, D.M.
Davids, S.F.G.
Raghubeer, S.
Erasmus, R.T.
Kengne, A.P.
Davison, G.M.
Matsha, T.E.
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Abstract
This cross-sectional study investigated the association of miR-1299, -126-3p and -30e-3p with and their diagnostic capability for dysglycaemia in 1273 (men, n = 345) South Africans, aged >20 years. Glycaemic status was assessed by oral glucose tolerance test (OGTT). Whole blood microRNA (miRNA) expressions were assessed using TaqMan-based reverse transcription quantitative-PCR (RT-qPCR). Receiver operating characteristic (ROC) curves assessed the ability of each miRNA to discriminate dysglycaemia, while multivariable logistic regression analyses linked expression with dysglycaemia. In all, 207 (16.2%) and 94 (7.4%) participants had prediabetes and type 2 diabetes mellitus (T2DM), respectively.
All three miRNAs were significantly highly expressed in individuals with prediabetes compared to normotolerant patients, p < 0.001. miR-30e-3p and miR-126-3p were also significantly more expressed in T2DM versus normotolerant patients, p < 0.001. In multivariable logistic regressions, the three miRNAs were consistently and continuously associated with prediabetes, while only miR-126-3p was associated with T2DM. The ROC analysis indicated all three miRNAs had a significant overall predictive ability to diagnose prediabetes, diabetes and the combination of both (dysglycaemia), with the area under the receiver operating characteristic curve (AUC) being significantly higher for miR-126-3p in prediabetes. For prediabetes diagnosis, miR-126-3p (AUC = 0.760) outperformed HbA1c (AUC = 0.695), p = 0.042. These results suggest that miR-1299, -126-3p and -30e-3p are associated with prediabetes, and measuring miR-126-3p could potentially contribute to diabetes risk screening strategies.
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Date
2021-05-26
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MDPI
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Keywords
Africa,microRNA (miRNA),Biomarker,Diabetes,Prediabetes,SDG-03 Good health and well-being
Citation
Weale CJ, Matshazi DM, Davids SFG, Raghubeer S, Erasmus RT, Kengne AP, Davison GM, Matsha TE. MicroRNAs-1299, -126-3p and -30e-3p as Potential Diagnostic Biomarkers for Prediabetes. Diagnostics. 2021;11(6):949. PubMed PMID: doi:10.3390/diagnostics11060949.