MicroRNA-375 inhibits laryngeal squamous cell carcinoma progression via targeting CST1
AUTOR(ES)
Dai, Feng; Xie, Zuojun; Yang, Qiming; Zhong, Zhuanglong; Zhong, Chun; Qiu, Yongliang
FONTE
Brazilian Journal of Otorhinolaryngology
DATA DE PUBLICAÇÃO
2022
RESUMO
Abstract Objective: This study aims to explore the effect and mechanism of miR-375 in Laryngeal Squamous Cell Carcinoma (LSCC) cell progression. Methods: LSCC cells (LSC-1 and TU177) were transfected with miR-375-mimic, miR-375-inhibitor or miR-375-mimic + oe-CST1. The expression of miR-375, CST1, MMP-2, and MMP-9 was measured. The effect of miR-375-mimic, miR-375-inhibitor or miR-375-mimic + oe-CST1 on cell biological functions, including cell proliferation, migration, invasion, and apoptosis, was also assessed. The potential relationship between CST1 and miR-375 was predicted by Jefferson software and validated by dual luciferase reporter gene assay. Results: Downregulated miR-375 expression was found in LSCC cells. Overexpression of miR-375 inhibited the viability and migration and promoted apoptosis of LSCC cells. Jefferson database and dual luciferase reporter gene assay confirmed that miR-375 directly targeted CST1. Over-expression of CST1 could reverse the anti-cancer effect of miR-375 overexpression in LSCC cells. Conclusion: Collected evidence showed that miR-375/CST1 axis was implicated in LSCC progression. Level of evidence: Level 3
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