期刊
CANCER MANAGEMENT AND RESEARCH
卷 12, 期 -, 页码 4561-4571出版社
DOVE MEDICAL PRESS LTD
DOI: 10.2147/CMAR.S249576
关键词
LINC00657; miR-590-3p; GOLPH3; breast carcinoma; apoptosis
类别
资金
- National Natural Science Foundation of China (NSFC) [21507040]
- Natural Science Foundation of Shandong Province [BS2015SW023]
Objective: To investigate the effect of LINC00657 on breast carcinoma by regulating miR-590-3p. Methods: Ninety-seven cases with breast carcinoma who were admitted to Qingdao Chengyang People's Hospital were collected. The breast carcinoma (n=97) and tumor-adjacent tissues (n=97) of patients were collected during the operation with the permission of the patients. The expressions of LINC00657 and miR-590-3p were detected in breast carcinoma cells and tissues. The breast carcinoma cells were transfected and their proliferation, migration, invasion and apoptosis were detected. Results: LINC00657 was highly expressed in breast carcinoma tissues, while miR-590-3p was reduced (P< 0.05). The proliferation, invasion and migration of cells transfected with si-LINC00657 or miR-590-3p-mimics were significantly inhibited, and the apoptosis rate increased, resulting in the up-regulation of the expressions of apoptosis-related proteins Bax and Caspase-3 and the reduction of Bcl-2 (P< 0.05). After si-LINC00657 or miR-590-3p-mimics, the level of GOLPH3 decreased. Through double luciferase report and RIP experiment, it was confirmed that LINC00657 could act as a sponge of miR-590-3p to negatively regulate its expression. After correlation analysis, it was concluded that there was a negative correlation between LINC00657 and miR-590-3p. Rescue experiments concluded that co-transfection of si-LINC00657+miR-590-3P-inhibitor could reverse the inhibitory action of si-LINC00657 on breast carcinoma cells. Conclusion: LINC00657 can participate in the biological behavior process of breast carcinoma by regulating miR-590-3p/GOLPH3 signal.
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