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Publication: Genome-wide DNA methylation and LncRNA-associated DNA methylation in metformin-treated and -untreated diabetes
Solomon, W.L. ; Hector, S.B.E. ; Raghubeer, S. ; Erasmus, R.T. ; Kengne, A.P. ; Matsha, T.E.
Solomon, W.L.
Hector, S.B.E.
Raghubeer, S.
Erasmus, R.T.
Kengne, A.P.
Matsha, T.E.
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Abstract
Metformin, which is used as a first line treatment for type 2 diabetes mellitus (T2DM), has been shown to affect epigenetic patterns. In this study, we investigated the DNA methylation and potential lncRNA modifications in metformin-treated and newly diagnosed adults with T2DM. Genome-wide DNA methylation and lncRNA analysis were performed from the peripheral blood of 12 screen-detected and 12 metformin-treated T2DM individuals followed by gene ontology (GO) and KEGG pathway analysis. Differentially methylated regions (DMRs) observed showed 22 hypermethylated and 11 hypomethylated DMRs between individuals on metformin compared to screen-detected subjects. Amongst the hypomethylated DMR regions were the SLC gene family, specifically, SLC25A35 and SLC28A1.
Fifty-seven lncRNA-associated DNA methylation regions included the mitochondrial ATP synthase-coupling factor 6 (ATP5J). Functional gene mapping and pathway analysis identified regions in the axon initial segment (AIS), node of Ranvier, cell periphery, cleavage furrow, cell surface furrow, and stress fiber. In conclusion, our study has identified a number of DMRs and lncRNA-associated DNA methylation regions in metformin-treated T2DM that are potential targets for therapeutic monitoring in patients with diabetes.
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Date
2020-09-01
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MDPI
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Keywords
DNA methylation,lncRNA,diabetes mellitus,Africa,Metformin
Citation
Solomon WL, Hector SBE, Raghubeer S, Erasmus RT, Kengne AP, Matsha TE. Genome-wide DNA methylation and LncRNA-associated DNA methylation in metformin-treated and -untreated diabetes. Epigenomes. 2020; 4(3):19. doi.10.3390/epigenomes4030019