期刊
GENE
卷 704, 期 -, 页码 91-96出版社
ELSEVIER
DOI: 10.1016/j.gene.2019.04.019
关键词
Small cell lung cancer; LncRNA CASC11; TGF-beta 1; Survival; Stemness
LncRNA CASC11 is a recently identified oncogenic IncRNA in colorectal cancer. This study aimed to investigate the role of IncRNA CASC11 in small cell lung cancer (SCLC). In the present study, expression levels of CASC11 and TGF-beta 1 were found to be positively and significantly correlated with the percentage of CDD133+ cells of SCLC cell lines. Plasma CASC11 and TGF-131 were upregulated and positively correlated in SCLC patients, but not in healthy controls. Upregulation of plasma CASC11 and TGF-beta 1 predicted poor survival of SCLC patients. Overexpression of CASC11 and TGF-beta 1 also resulted in the increased percentage of CDD133 + cells of SCLC cell lines, while TGF-beta inhibitor attenuated the effects of CASC11 overexpression. CASC11 overexpression mediated the upregulation of TGF-beta 1 in SCLC cells, while treatment with exogenous TGF-beta 1 showed no significant effect on CASC11. Therefore, lncRNA CASC11 promotes TGF-beta 1, increases cancer cell sternness and predicts postoperative survival in SCLC.
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