Expression of miR-92a, miR-224 and miR-25 in non-small cell lung cancer and their correlation with clinical characteristics

Hao Yuan; Jiajia Su; Siqin Hu; Peng Wei

Expression of miR-92a, miR-224 and miR-25 in non-small cell lung cancer and their correlation with clinical characteristics

Am J Transl Res. 2021 May 15;13(5):5561-5567. eCollection 2021.

Authors

Hao Yuan¹, Jiajia Su², Siqin Hu³, Peng Wei⁴

Affiliations

¹ Department of Oncology, Guigang City People's Hospital Guigang, Guangxi Zhuang Autonomous Region, China.
² Department of Echocardiography, Guigang City Hospital of Traditional Chinese Medicine Guigang, Guangxi Zhuang Autonomous Region, China.
³ Department of Oncology, People's Hospital of Longhua Shenzhen, Guangdong Province, China.
⁴ Department of Pulmonary and Critical Care Medicine, Guigang City People's Hospital Guigang, Guangxi Zhuang Autonomous Region, China.

PMID: 34150158
PMCID: PMC8205675

Abstract

Objective: To analyze the correlation of the expression of microRNA-92a (miR-92a), microRNA-224 (miR-224), and microRNA-25 (miR-25) in non-small cell lung cancer with its clinical characteristics.

Methods: This prospective study was performed in 125 non-small cell lung cancer patients admitted to our hospital between January 2019 and January 2020. All patients' cancer and adjacent tissue were collected and the expression of miR-92a, miR-224, and miR-25 were detected using real-time fluorescence quantitative RT-PCR. Data were analyzed using SPSS statistical software (version 20.0). Correlation analysis was conducted using Pearson correlation coefficient.

Results: Compared with adjacent tissue, the relative expression of miR-92a, miR-224, and miR-25 in cancer tissue were increased (all P<0.001). There was no correlation between the expression of miR-92a, miR-224, and miR-25 and baseline data like gender, age, smoking history, and tumor size (all P>0.05). The relative expression of miR-92a, miR-224 and miR-25 in differentiated cancer patients were higher than those in highly and moderately differentiated cancer patients (all P<0.05). The relative expression of miR-92a, miR-224 and miR-25 in patients with lymph node metastasis (LNM) were increased when compared with those had no LNM (all P<0.001). Compared with stage I and II patients, the relative expression of miR-92a, miR-224 and miR-25 in stage III and IV patients were increased (all P<0.001). The relative expression of miR-92a, miR-224, and miR-25 were positively correlated to each other (all P<0.01).

Conclusion: miR-92a, miR-224, and miR-25 are overexpressed in non-small cell lung cancer and the expressions are related to the degree of differentiation, presence or absence of LNM, and TNM staging. In addition, the expression of miR-92a, miR-224 and miR-25 are positively correlated to each other. This suggests that miR-92a, miR-224, and miR-25 cooperatively participated in the occurrence and development of non-small cell lung cancer.

Keywords: MicroRNA-224; MicroRNA-25; MicroRNA-92a; clinical characteristics; non-small cell lung cancer.