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Mononen, N.* ; Lyytikäinen, L.P.* ; Seppälä, I.* ; Mishra, P.P.* ; Juonala, M.* ; Waldenberger, M. ; Klopp, N.* ; Illig, T. ; Leiviskä, J.* ; Loo, B.M.* ; Laaksonen, R.* ; Oksala, N.* ; Kähönen, M.* ; Hutri-Kähönen, N.* ; Raitakari, O.* ; Lehtimäki, T.* ; Raitoharju, E.*

Whole blood microRNA levels associate with glycemic status and correlate with target mRNAs in pathways important to type 2 diabetes.

Sci. Rep. 9:8887 (2019)
Publ. Version/Full Text Research data DOI PMC
Open Access Gold
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We analyzed the associations between whole blood microRNA profiles and the indices of glucose metabolism and impaired fasting glucose and examined whether the discovered microRNAs correlate with the expression of their mRNA targets. MicroRNA and gene expression profiling were performed for the Young Finns Study participants (n= 871). Glucose, insulin, and glycated hemoglobin (HbA1c) levels were measured, the insulin resistance index (HOMA2-IR) was calculated, and the glycemic status (normoglycemic [n = 534]/impaired fasting glucose [IFG] [n = 252]/type 2 diabetes [T2D] [n = 24]) determined. Levels of hsa-miR-144-5p, -122-5p, -148a-3p, -589-5p, and hsa-let-7a-5p associated with glycemic status. hsa-miR-144-5p and -148a-3p associated with glucose levels, while hsa-miR-144-5p, -122-5p, -184, and -339-3p associated with insulin levels and HOMA2-IR, and hsa-miR-148a-3p, -15b-3p, -93-3p, -146b-5p, -221-3p, -18a-3p, -642a-5p, and -181-2-3p associated with HbA1c levels. The targets of hsa-miR-146b-5p that correlated with its levels were enriched in inflammatory pathways, and the targets of hsa-miR-221-3p were enriched in insulin signaling and T2D pathways. These pathways showed indications of co-regulation by HbA1c-associated miRNAs. There were significant differences in the microRNA profiles associated with glucose, insulin, or HOMA-IR compared to those associated with HbA1c. The HbA1c-associated miRNAs also correlated with the expression of target mRNAs in pathways important to the development ofT2D.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Cardiovascular Risk; Differential Expression; Potential Biomarker; Glucose; Identification; Mellitus; Plasma; Complications; Regulator; Disease
Language english
Publication Year 2019
HGF-reported in Year 2019
ISSN (print) / ISBN 2045-2322
e-ISSN 2045-2322
Quellenangaben Volume: 9, Issue: 1, Pages: , Article Number: 8887 Supplement: ,
Publisher Nature Publishing Group
Publishing Place London
Reviewing status Peer reviewed
Institute(s) Institute of Epidemiology (EPI)
POF-Topic(s) 30202 - Environmental Health
Research field(s) Genetics and Epidemiology
PSP Element(s) G-504091-001
Scopus ID 85067612004
PubMed ID 31222113
Erfassungsdatum 2019-06-27