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Article

Screening and identification of microRNA involved in unstable angina using gene-chip analysis

  • Authors:
    • Si Li
    • Ya‑Nan Sun
    • Yun‑Tao Zhou
    • Chun‑Lai Zhang
    • Feng Lu
    • Jia Liu
    • Xiao‑Ming Shang
  • View Affiliations / Copyright

    Affiliations: Department of Medicine, Hebei Medical University, Shijiazhuang, Hebei 050017, P.R. China, Department of Cardiology, Tangshan Workers' Hospital, Tangshan, Hebei 063000, P.R. China
  • Pages: 2716-2722
    |
    Published online on: September 1, 2016
       https://doi.org/10.3892/etm.2016.3646
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Abstract

Increasing evidence has suggested that microRNA (miRNA) may play a role in the pathogenesis of cardiovascular disease, which has led to a greater understanding of the complex pathophysiological processes underlying unstable angina (UA). The present study aimed to investigate changes in the miRNA expression profiles of patients with UA using gene‑chip analysis, in order to further elucidate the pathogenesis of UA. Total RNA was extracted and purified from plasma samples collected from patients with UA and healthy controls. The samples underwent microarray analysis using an Exiqon miRCURY LNA™ microRNA Array. Differentially expressed miRNAs were identified by volcano plot filtering, and were validated using reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR). In addition, functional annotation of the differentially expressed miRNAs involved gene ontology analyses. Among the 212 miRNAs differentially expressed between the two groups, 82 were upregulated and 130 were downregulated. Notably, the results of the RT‑qPCR were consistent with the gene‑chip results. The miRNAs identified in the present study may be potential novel biomarkers for the prevention and early diagnosis of UA. Furthermore, the results of the present study suggested that UA occurs as a result of complex and dynamic processes regulated by numerous factors, including multiple miRNAs.
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Copy and paste a formatted citation
Spandidos Publications style
Li S, Sun YN, Zhou YT, Zhang CL, Lu F, Liu J and Shang XM: Screening and identification of microRNA involved in unstable angina using gene-chip analysis. Exp Ther Med 12: 2716-2722, 2016.
APA
Li, S., Sun, Y., Zhou, Y., Zhang, C., Lu, F., Liu, J., & Shang, X. (2016). Screening and identification of microRNA involved in unstable angina using gene-chip analysis. Experimental and Therapeutic Medicine, 12, 2716-2722. https://doi.org/10.3892/etm.2016.3646
MLA
Li, S., Sun, Y., Zhou, Y., Zhang, C., Lu, F., Liu, J., Shang, X."Screening and identification of microRNA involved in unstable angina using gene-chip analysis". Experimental and Therapeutic Medicine 12.4 (2016): 2716-2722.
Chicago
Li, S., Sun, Y., Zhou, Y., Zhang, C., Lu, F., Liu, J., Shang, X."Screening and identification of microRNA involved in unstable angina using gene-chip analysis". Experimental and Therapeutic Medicine 12, no. 4 (2016): 2716-2722. https://doi.org/10.3892/etm.2016.3646
Copy and paste a formatted citation
x
Spandidos Publications style
Li S, Sun YN, Zhou YT, Zhang CL, Lu F, Liu J and Shang XM: Screening and identification of microRNA involved in unstable angina using gene-chip analysis. Exp Ther Med 12: 2716-2722, 2016.
APA
Li, S., Sun, Y., Zhou, Y., Zhang, C., Lu, F., Liu, J., & Shang, X. (2016). Screening and identification of microRNA involved in unstable angina using gene-chip analysis. Experimental and Therapeutic Medicine, 12, 2716-2722. https://doi.org/10.3892/etm.2016.3646
MLA
Li, S., Sun, Y., Zhou, Y., Zhang, C., Lu, F., Liu, J., Shang, X."Screening and identification of microRNA involved in unstable angina using gene-chip analysis". Experimental and Therapeutic Medicine 12.4 (2016): 2716-2722.
Chicago
Li, S., Sun, Y., Zhou, Y., Zhang, C., Lu, F., Liu, J., Shang, X."Screening and identification of microRNA involved in unstable angina using gene-chip analysis". Experimental and Therapeutic Medicine 12, no. 4 (2016): 2716-2722. https://doi.org/10.3892/etm.2016.3646
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