MiR-449b-5p targets lncRNA PSMG3-AS1 to suppress cancer cell proliferation in lung adenocarcinoma

Autor: Na Yue, Ming Ye, Ran Zhang, Yunquan Guo
Jazyk: angličtina
Rok vydání: 2020
Předmět:
Zdroj: BMC Pulmonary Medicine, Vol 20, Iss 1, Pp 1-7 (2020)
Druh dokumentu: article
ISSN: 1471-2466
DOI: 10.1186/s12890-020-01189-5
Popis: Abstract Background PSMG3-AS1 has been characterized as an oncogenic lncRNA in breast cancer, while its role in other cancers is unknown. This study investigated the role of PSMG3-AS1 in lung adenocarcinoma (LUAD). Methods This study included 64 LUAD patients (42 males and 22 females) who were enrolled between May 2012 and May 2014. RT-qPCR was used to evaluate the expression levels of lncRNA. Cell proliferation analysis was performed using CCK-8 kit. Results We found that upregulation of PSMG3-AS1 in LUAD predicted the poor survival of patients. MiR-449b-5p is downregulated in LUAD and the expression levels of LUAD were inversely correlated with the expression levels of PSMG3-AS1. MiR-449b-5p was predicted to target PSMG3-AS1, and overexpression of miR-449b-5p resulted in the downregulation of PSMG3-AS1 in LUAD cells. Cell proliferation analysis showed that overexpression of PSMG3-AS1 resulted in increased rate of cell proliferation. Overexpression of miR-449b-5p reduced the enhancing effects of PSMG3-AS1 on cell proliferation. Conclusions Therefore, miR-449b-5p may target PSMG3-AS1 in LUAD to suppress cancer cell proliferation.
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