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Article

MicroRNAs in Hyperglycemia Induced Endothelial Cell Dysfunction

by
Maskomani Silambarasan
1,
Jun Rong Tan
1,
Dwi Setyowati Karolina
1,
Arunmozhiarasi Armugam
1,
Charanjit Kaur
2 and
Kandiah Jeyaseelan
1,3,*
1
Department of Biochemistry, NUS Medicine, National University of Singapore, Singapore 117596, Singapore
2
Department of Anatomy, NUS Medicine, National University of Singapore, Singapore 117594, Singapore
3
Department of Anatomy and Developmental Biology, School of Biomedical Sciences, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Clayton VIC 3800, Australia
*
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2016, 17(4), 518; https://doi.org/10.3390/ijms17040518
Submission received: 12 January 2016 / Revised: 17 March 2016 / Accepted: 22 March 2016 / Published: 7 April 2016
(This article belongs to the Special Issue Molecular Research on Obesity and Diabetes)
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Abstract

Hyperglycemia is closely associated with prediabetes and Type 2 Diabetes Mellitus. Hyperglycemia increases the risk of vascular complications such as diabetic retinopathy, diabetic nephropathy, peripheral vascular disease and cerebro/cardiovascular diseases. Under hyperglycemic conditions, the endothelial cells become dysfunctional. In this study, we investigated the miRNA expression changes in human umbilical vein endothelial cells exposed to different glucose concentrations (5, 10, 25 and 40 mM glucose) and at various time intervals (6, 12, 24 and 48 h). miRNA microarray analyses showed that there is a correlation between hyperglycemia induced endothelial dysfunction and miRNA expression. In silico pathways analyses on the altered miRNA expression showed that the majority of the affected biological pathways appeared to be associated to endothelial cell dysfunction and apoptosis. We found the expression of ten miRNAs (miR-26a-5p, -26b-5p, 29b-3p, -29c-3p, -125b-1-3p, -130b-3p, -140-5p, -192-5p, -221-3p and -320a) to increase gradually with increasing concentration of glucose. These miRNAs were also found to be involved in endothelial dysfunction. At least seven of them, miR-29b-3p, -29c-3p, -125b-1-3p, -130b-3p, -221-3p, -320a and -192-5p, can be correlated to endothelial cell apoptosis.
Keywords: microRNA; diabetes mellitus; endothelial dysfunction; apoptosis; hyperglycemia microRNA; diabetes mellitus; endothelial dysfunction; apoptosis; hyperglycemia
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MDPI and ACS Style

Silambarasan, M.; Tan, J.R.; Karolina, D.S.; Armugam, A.; Kaur, C.; Jeyaseelan, K. MicroRNAs in Hyperglycemia Induced Endothelial Cell Dysfunction. Int. J. Mol. Sci. 2016, 17, 518. https://doi.org/10.3390/ijms17040518

AMA Style

Silambarasan M, Tan JR, Karolina DS, Armugam A, Kaur C, Jeyaseelan K. MicroRNAs in Hyperglycemia Induced Endothelial Cell Dysfunction. International Journal of Molecular Sciences. 2016; 17(4):518. https://doi.org/10.3390/ijms17040518

Chicago/Turabian Style

Silambarasan, Maskomani, Jun Rong Tan, Dwi Setyowati Karolina, Arunmozhiarasi Armugam, Charanjit Kaur, and Kandiah Jeyaseelan. 2016. "MicroRNAs in Hyperglycemia Induced Endothelial Cell Dysfunction" International Journal of Molecular Sciences 17, no. 4: 518. https://doi.org/10.3390/ijms17040518

APA Style

Silambarasan, M., Tan, J. R., Karolina, D. S., Armugam, A., Kaur, C., & Jeyaseelan, K. (2016). MicroRNAs in Hyperglycemia Induced Endothelial Cell Dysfunction. International Journal of Molecular Sciences, 17(4), 518. https://doi.org/10.3390/ijms17040518

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