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Screening of circular RNAs and validation of circANKRD36 associated with inflammation in patients with type 2 diabetes mellitus

  • Authors:
    • Yuan Fang
    • Xiaoxia Wang
    • Wenqing Li
    • Jingli Han
    • Junhua Jin
    • Fei Su
    • Junhua Zhang
    • Wei Huang
    • Fei Xiao
    • Qi Pan
    • Lihui Zou
  • View Affiliations / Copyright

    Affiliations: The MOH Key Laboratory of Geriatrics, Beijing Hospital, National Center of Gerontology, Beijing 100730, P.R. China, Department of Endocrinology, Beijing Hospital, National Center of Gerontology, Beijing 100730, P.R. China, Department of Pathology, Beijing Hospital, National Center of Gerontology, Beijing 100730, P.R. China
    Copyright: © Fang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 1865-1874
    |
    Published online on: July 18, 2018
       https://doi.org/10.3892/ijmm.2018.3783
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Abstract

Circular RNAs (circRNAs) are an abundant class of endogenous non‑coding RNAs and are associated with numerous diseases, including cancer, cardiovascular diseases, and type 2 diabetes mellitus (T2DM). However, the association between circRNAs and inflammation or inflammatory cytokines in patients with T2DM remains to be fully elucidated. The purpose of the present study was to investigate the expression profiles of circRNAs in peripheral leucocytes of patients with T2DM and their association with inflammatory cytokines. Peripheral blood from patients with T2DM (n=43) and healthy individuals (n=45) were collected for RNA sequencing and later verification. Reverse transcription‑polymerase chain reaction (RT‑PCR) and reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR) analyses were used to detect the expression levels of circRNAs. The expression of inflammatory factors, including interleukin (IL)‑1, (IL)‑6, and tumor necrosis factor (TNF)‑α were measured via enzyme‑linked immunosorbent assay. Furthermore, the mRNA expression level of ankyrin repeat domain 36 (ANKRD36), a protein located at 2q11.2 that interacts with the GAPDH gene, was measured using RT‑qPCR analysis. The circRNA/microRNA (miRNA) interaction was predicted using RegRNA and mirPath software. In total, 220 circRNAs were found to be differentially expressed between patients with T2DM and healthy individuals, of which 107 were upregulated and 113 were downregulated. Among the nine selected circRNAs, circANKRD36 was significantly upregulated in patients with T2DM compared with control subjects (P=0.02). The expression level of circANKRD36 was positively correlated with glucose and glycosylated hemoglobin (r=0.3250, P=0.0047 and r=0.3171, P=0.0056, respectively). The expression level of IL‑6 was significantly different between the T2DM group and control group (P=0.028) and was positively correlated with circANKRD36. The difference of circANKRD36 host gene expression between patients with T2DM and healthy controls was significant (P=0.04). Taken together, circANKRD36 may be involved in T2DM and inflammation‑associated pathways via interaction with miRNAs, including hsa‑miR‑3614‑3p, hsa‑miR‑498, and hsa‑miR‑501‑5p. The expression of circANKRD36 was up­regulated in peripheral blood leucocytes and was correlated with chronic inflammation in T2DM. Therefore, circANKRD36 can be used as a potential biomarker for screening chronic inflammation in patients with T2DM.
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Copy and paste a formatted citation
Spandidos Publications style
Fang Y, Wang X, Li W, Han J, Jin J, Su F, Zhang J, Huang W, Xiao F, Pan Q, Pan Q, et al: Screening of circular RNAs and validation of circANKRD36 associated with inflammation in patients with type 2 diabetes mellitus. Int J Mol Med 42: 1865-1874, 2018.
APA
Fang, Y., Wang, X., Li, W., Han, J., Jin, J., Su, F. ... Zou, L. (2018). Screening of circular RNAs and validation of circANKRD36 associated with inflammation in patients with type 2 diabetes mellitus. International Journal of Molecular Medicine, 42, 1865-1874. https://doi.org/10.3892/ijmm.2018.3783
MLA
Fang, Y., Wang, X., Li, W., Han, J., Jin, J., Su, F., Zhang, J., Huang, W., Xiao, F., Pan, Q., Zou, L."Screening of circular RNAs and validation of circANKRD36 associated with inflammation in patients with type 2 diabetes mellitus". International Journal of Molecular Medicine 42.4 (2018): 1865-1874.
Chicago
Fang, Y., Wang, X., Li, W., Han, J., Jin, J., Su, F., Zhang, J., Huang, W., Xiao, F., Pan, Q., Zou, L."Screening of circular RNAs and validation of circANKRD36 associated with inflammation in patients with type 2 diabetes mellitus". International Journal of Molecular Medicine 42, no. 4 (2018): 1865-1874. https://doi.org/10.3892/ijmm.2018.3783
Copy and paste a formatted citation
x
Spandidos Publications style
Fang Y, Wang X, Li W, Han J, Jin J, Su F, Zhang J, Huang W, Xiao F, Pan Q, Pan Q, et al: Screening of circular RNAs and validation of circANKRD36 associated with inflammation in patients with type 2 diabetes mellitus. Int J Mol Med 42: 1865-1874, 2018.
APA
Fang, Y., Wang, X., Li, W., Han, J., Jin, J., Su, F. ... Zou, L. (2018). Screening of circular RNAs and validation of circANKRD36 associated with inflammation in patients with type 2 diabetes mellitus. International Journal of Molecular Medicine, 42, 1865-1874. https://doi.org/10.3892/ijmm.2018.3783
MLA
Fang, Y., Wang, X., Li, W., Han, J., Jin, J., Su, F., Zhang, J., Huang, W., Xiao, F., Pan, Q., Zou, L."Screening of circular RNAs and validation of circANKRD36 associated with inflammation in patients with type 2 diabetes mellitus". International Journal of Molecular Medicine 42.4 (2018): 1865-1874.
Chicago
Fang, Y., Wang, X., Li, W., Han, J., Jin, J., Su, F., Zhang, J., Huang, W., Xiao, F., Pan, Q., Zou, L."Screening of circular RNAs and validation of circANKRD36 associated with inflammation in patients with type 2 diabetes mellitus". International Journal of Molecular Medicine 42, no. 4 (2018): 1865-1874. https://doi.org/10.3892/ijmm.2018.3783
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