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Silenced Myeloblastosis Protein Suppresses Oral Tongue Squamous Cell Carcinoma via the microRNA-130a/Cylindromatosis Axis

Authors Yang R, Shui Y, Hu S, Zhang K, Wang Y, Peng Y

Received 3 March 2020

Accepted for publication 29 June 2020

Published 5 August 2020 Volume 2020:12 Pages 6935—6946


Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Editor who approved publication: Dr Chien-Feng Li

Ran Yang,1 Yusen Shui,2 Shoushan Hu,2 Kun Zhang,2 Yuru Wang,2 Yiran Peng1

1State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chengdu 610041, Sichuan, People’s Republic of China; 2Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, Sichuan, People’s Republic of China

Correspondence: Yiran Peng
Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, 14 Renmin South Road Third Section, Chengdu 610041, Sichuan, People’s Republic of China
Tel/ Fax +86-28-85503527

Background: Oral tongue squamous cell carcinoma (OTSCC) represents oral epithelial cell damage. Myeloblastosis (MYB) is involved in OTSCC. This study tried to probe roles of MYB in OSCC with potential axis.
Methods: Expression of MYB and miR-130a in OTSCC was detected. Western blot analysis was utilized to determine epithelial–mesenchymal transition-related protein levels. Dual-luciferase reporter gene assay certified the target relation between miR-130a and CYLD. Moreover, xenograft tumors in nude mice were applied to confirm the in vitro experiments.
Results: Both MYB and miR-130a were highly expressed in OTSCC, which promoted cell growth. Meanwhile, silenced miR-130a discouraged cell development enhanced by overexpressed MYB. CYLD was poorly expressed in OTSCC and targeted by miR-130a. Additionally, MYB knockdown activated CYLD to suppress OTSCC by downregulating miR-130a.
Conclusion: Our experiment supported that silenced MYB suppressed OTSCC malignancy by inhibiting miR-130a and activating CYLD. This investigation may provide novel insights for OTSCC treatment.

Keywords: oral tongue squamous cell carcinoma, MYB, microRNA-130a, CYLD, epithelial–mesenchymal transition, proliferation

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