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microRNA-26a Directly Targeting MMP14 and MMP16 Inhibits the Cancer Cell Proliferation, Migration and Invasion in Cutaneous Squamous Cell Carcinoma

Authors Zheng W, Li ZY, Zhao DL, Li XL, Liu R

Received 2 June 2020

Accepted for publication 16 July 2020

Published 10 August 2020 Volume 2020:12 Pages 7087—7095


Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Editor who approved publication: Dr Eileen O'Reilly

Wang Zheng,1 Zong-Yu Li,1 De-Lai Zhao,1,2 Xing-Long Li,1,2 Rui Liu3

1Department of Burns, The Fifth Hospital of Harbin, Harbin 150040, People’s Republic of China; 2Department of Orthopedic Surgery, The Fifth Hospital of Harbin, Harbin 150040, People’s Republic of China; 3Department of Burns, Heilongjiang Provincial Hospital, Harbin 150036, People’s Republic of China

Correspondence: Rui Liu
Department of Burns, Heilongjiang Provincial Hospital, No. 82, Zhongshan Road, Xiangfang District, Harbin 150036, People’s Republic of China
Tel +86-13268968547

Purpose: To investigate the specific effect and underlying mechanism of microRNA-26a-5p (miR-26a) in cutaneous squamous cell carcinoma (CSCC).
Methods: miR-26a and MMP14/16 mRNA expression were detected by qRT-PCR analysis. Functional experiments were used to detect the role of miR-26a on CSCC progression. Western blot was used for protein detection. Luciferase assay was used to detect miR-26a directly targeting MMP14 and MMP16. Xenograft nude mice model was used to determine the effect of miR-26a on tumorigenesis.
Results: miR-26a was decreased in CSCC tissues and cells. Forced miR-26a suppressed the progression of SCL-1 and A431 cells. Furthermore, miR-26a directly targeted MMP14 and MMP16 to inhibit their expression. Forced expression of MMP14 and MMP16 removed the miR-26a’s inhibitory effect on CSCC development. The in vivo tumor growth assay showed that miR-26a suppressed CSCC tumorigenesis by targeting MMP14 and MMP16.
Conclusion: Our study suggested miR-26a inhibits cancer cell proliferation, migration and invasion in CSCC by targeting MMP14 and MMP16. 

Keywords: miR-26a, cutaneous squamous cell carcinoma, MMP14, MMP16, tumorigenesis

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