The knockdown of SNHG3 inhibits the progression of laryngeal squamous cell carcinoma by miR-340-5p/YAP1 axis and Wnt/β-catenin pathway.

Neoplasma
R KangY H Zhou

Abstract

Laryngeal squamous cell carcinoma (LSCC) is a common malignancy of the head and neck. Long noncoding RNAs (lncRNAs) play essential roles in the development and treatment of LSCC. However, the role and regulatory mechanism of lncRNA small nucleolar RNA host gene 3 (SNHG3) in LSCC progression remain largely unknown. Twenty-five paired LSCC tissues and normal samples were collected. The expression levels of SNHG3, Yes-associated protein 1 (YAP1), and microRNA-340-5p (miR-340-5p) were measured via quantitative real-time polymerase chain reaction or western blot. Cell viability, apoptosis, and glycolysis were investigated by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-tetrazolium bromide, flow cytometry, and specific assay kit, respectively. The association between SNHG3 and miR-340-5p or miR-340-5p and YAP1 was assessed by dual-luciferase reporter assay. The expression of a protein involved in the Wnt/β-catenin pathway was detected by western blot. The xenograft model was established to assess the anti-cancer role of SNHG3 inhibition in vivo. We found that the levels of SNHG3 and YAP1 were increased but the miR-340-5p expression was decreased in LSCC tissues and cells. The knockdown of SNHG3 or YAP1 inhibited cell viability and glyco...Continue Reading

Citations

Dec 10, 2020·Cancer Cell International·Bin XuJunfei Shao
Jun 22, 2021·The Kaohsiung Journal of Medical Sciences·Xu GuoHong-Yu Zhao

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