期刊
TUMOR BIOLOGY
卷 39, 期 2, 页码 -出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/1010428317691191
关键词
Long noncoding RNA; non-small cell lung cancer; TRPM2-AS; apoptosis
类别
Non-small cell lung cancer is one of the most common types of cancer, and the prognosis of non-small cell lung cancer is still poor. Recent evidence has proved that long noncoding RNA is involved in tumorigenesis. For non-small cell lung cancer, the expression profile of long noncoding RNA has been studied. Here, we identified a novel long noncoding RNA TRPM2-AS from published dataset and found TRPM2-AS is widely upregulated in non-small cell lung cancer tissues compared with adjacent non-tumor tissues. Higher expression level of TRPM2-AS was correlated with higher TNM stages and larger tumor size. Patients with high TRPM2-AS expression level had poor survival than those with low TRPM2-AS level. We silenced TRPM2-AS by small interfering RNA and found that cell proliferation was significantly inhibited after knockdown of TRPM2-AS. Annexin V/propidium iodide staining and terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling assay confirmed that cell apoptosis increased after TRPM2-AS knockdown. Further experiments showed that silence of TRPM2-AS upregulated SHC1 and silence of SHC1 partially reversed cell apoptosis after TRPM2AS knockdown. In summary, the novel long noncoding RNA TRPM2-AS upregulated in non-small cell lung cancer, and downregulation of TRPM2-AS promotes apoptosis in vitro.
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