Abstract
Since the discovery of microRNAs (miRNAs) as a class of important regulatory molecules, miRNAs are involved in the occurrence and development of tumors. In this paper, we aimed to identify the role of miR-1274a in non-small cell lung cancer (NSCLC). The miR-1274a expression levels in four NSCLC cells and tissues from 125 patients were determined by qRT-PCR assays. Kaplan–Meier survival curves and Cox regression analysis were used to examine the prognostic significance of miR-1274a in NSCLC patients. The CCK-8 and Transwell assays were performed to evaluate the cell proliferation, invasion, and migration ability of NSCLC cells. The miR-1274a expression levels were significantly higher in NSCLC tissues than in adjacent normal tissues, and overexpression of miR-1274a had a poor prognosis in NSCLC patients. Functional studies in two NSCLC cell lines have shown that overexpression of miR-1274a could promote cell proliferation, migration, and invasion. miR-1274a expression levels are upregulated in NSCLC tissues, and a high expression is associated with a poor prognosis in patients with NSCLC. Moreover, miR-1274a promotes cell proliferation, migration, and invasion. Based on our findings, miR-1274a may act as a tumor miRNA in the occurrence and development of NSCLC.
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This work was supported by scientific research fund of Petrel (Grant No. JJQN2016-11]; the financial assistance of Heilongjiang Postdoctoral Fund (Grant No. LBH-Z16227).
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Zhu, Sj., Wang, X., Hu, Sl. et al. Clinical Significance and Biological Function of miR-1274a in Non-small Cell Lung Cancer. Mol Biotechnol 64, 9–16 (2022). https://doi.org/10.1007/s12033-021-00385-w
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DOI: https://doi.org/10.1007/s12033-021-00385-w