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This study aimed to investigate the role of miRNA-1225-5p (miR-1225) in laryngeal carcinoma (LC). We found that the expression of miR-1225 was suppressed in human LC samples, while CDC14B (cell division cycle 14B) expression was reinforced in comparison with surrounding normal tissues. We also demonstrated that enhanced expression of miR-1225 impaired the proliferation and survival of LC cells, and resulted in G1/S cell cycle arrest. In contrast, reduced expression of miR-1225 promoted cell survival. Moreover, miR-1225 resulted in G1/S cell cycle arrest and enhanced cell death. Further, miR-1225 targets CDC14B 3'-UTR and recovery of CDC14B expression counteracted the suppressive influence of miR-1225 on LC cells. Thus, these findings offer insight into the biological and molecular mechanisms behind the development of LC.


Peng Sun, Dan Zhang, Haiping Huang, Yafeng Yu, Zhendong Yang, Yuyu Niu, Jisheng Liu. MicroRNA-1225-5p acts as a tumor-suppressor in laryngeal cancer via targeting CDC14B. Biological chemistry. 2019 Jan 28;400(2):237-246

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PMID: 30138106

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