Open Access

High expression of miR-155 and miR-21 in the recurrence or metastasis of non-small cell lung cancer

  • Authors:
    • Shuang Xu
    • Lei Shi
  • View Affiliations

  • Published online on: May 8, 2019     https://doi.org/10.3892/ol.2019.10337
  • Pages: 758-763
  • Copyright: © Xu et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

Metrics: Total Views: 0 (Spandidos Publications: | PMC Statistics: )
Total PDF Downloads: 0 (Spandidos Publications: | PMC Statistics: )


Abstract

High expression of miR-155 and miR-21 in the recurrence or metastasis of non-small cell lung cancer (NSCLC) was investigated. Retrospective analysis on the clinical information of 180 patients with NSCLC was carried out. The patients were admitted to Daqing Oil Field General Hospital from February 2012 to March 2015 and they were the research group. Moreover, the physical examination information of 88 normal medical examinees were selected at the same period of time as the control group. In the research group, 68 patients diagnosed with NSCLC were the newly diagnosed group and 112 cases of recurrence or metastasis of NSCLC were the recurrence group. The quantitative real-time polymerase chain reaction was used to detect the expression levels of serum miR-115 and miR-21. In addition, the expression levels between miR-155 and miR-21 and the relationship between the recurrence rate and metastasis of NSCLC were analyzed. The impact on the prognosis of patients were also analyzed. The expression levels of serum miR-155 and miR-21 were higher in the research group than those in the control group (P<0.05). The expression levels of serum miR-155 and miR-21 were higher in the recurrence group than those in the newly diagnosed group (P<0.05). We followed up the patients in the research group for 36 months, the median survival time and mortality rate in the recurrence group was higher than that of in the newly diagnosed group (χ2=9.705, P<0.01). In conclusion, miR-155 and miR-21 were highly expressed in the serum of patients, however, the recurrence and metastasis of NSCLC were even higher. The highly expressed levels of miR-155 and miR-21 were associated with the recurrence and metastasis in NSCLC patients, affecting the prognosis of patients.
View Figures
View References

Related Articles

Journal Cover

July-2019
Volume 18 Issue 1

Print ISSN: 1792-1074
Online ISSN:1792-1082

Sign up for eToc alerts

Recommend to Library

Copy and paste a formatted citation
x
Spandidos Publications style
Xu S and Xu S: High expression of miR-155 and miR-21 in the recurrence or metastasis of non-small cell lung cancer. Oncol Lett 18: 758-763, 2019
APA
Xu, S., & Xu, S. (2019). High expression of miR-155 and miR-21 in the recurrence or metastasis of non-small cell lung cancer. Oncology Letters, 18, 758-763. https://doi.org/10.3892/ol.2019.10337
MLA
Xu, S., Shi, L."High expression of miR-155 and miR-21 in the recurrence or metastasis of non-small cell lung cancer". Oncology Letters 18.1 (2019): 758-763.
Chicago
Xu, S., Shi, L."High expression of miR-155 and miR-21 in the recurrence or metastasis of non-small cell lung cancer". Oncology Letters 18, no. 1 (2019): 758-763. https://doi.org/10.3892/ol.2019.10337