期刊
ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY
卷 47, 期 1, 页码 3278-3285出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/21691401.2019.1647222
关键词
Oral squamous cell carcinoma; microRNAs; miR-638; wnt/beta-catenin pathway; PLD1
Objective: The current study aimed to explore the function of miR-638 on the progression of oral squamous cell carcinoma (OSCC) and relevant molecular mechanisms. Methods: Expression profile of miR-638 in OSCC tissues and cells was detected using quantitative realtime polymerase chain reaction (qRT-PCR) method. Chi-square test was performed to estimate the relationship between miR-638 and clinical parameters of OSCC cases. Cell viability and motility abilities were estimated using MTT and transwell assays, respectively. Potential targets of miR-638 in OSCC were identified through bioinformatics analysis and luciferase reporter assay. Results: MiR-638 exhibited decreased expression in OSCC tissues and cells, compared to non-cancerous controls (P < .05 for both). Moreover, its down-regulation was closely correlated with lymph node metastasis (P = .044) and TNM stages (P=.001). Enforced miR-638 expression reduced cell proliferation, migration and invasion, while its knockdown exhibited opposite effects. Phospholipase D1 (PLD1) was confirmed as a target of miR-638 in OSCC. MiR-638 could inhibit wnt/beta-catenin pathway through targeting PLD1, thus realizing its anti-tumour action in OSCC. Conclusion: MiR-638 may be a tumour suppressor in OSCC by targeting PLD1/Wnt/beta-catenin pathway.
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