Melanoma is one of the most common malignant tumors that originate from nerve sheath melanocytes and are produced in the skin and other organs. This paper mainly studied the role of miR-582 in melanoma. The expression of miR-582 in melanoma cell lines and tissues was evaluated by real-time quantitative PCR. Kaplan-Meier curve and Cox proportional hazards model analysis were used to investigate the prognostic value of miR-582 in melanoma. Cell proliferation, invasion, and migration were analyzed using CCK-8 and transwell assays. The results showed that miR-582 was significantly decreased in melanoma cells and tissues. Downregulation of miR-582 was associated with ulceration, lymph node metastasis, TNM stage, and poor overall survival. The functional results showed that low expression of miR-582 can promote cell proliferation, migration, and invasion. FOXC1 was a direct target of miR-582. Overall, the expression of miR-582 is downregulated in melanoma tissues and cell lines. Low expression of miR-582 is associated with prognosis and progression of melanoma by targeting FOXC1. miR-582 may be a prognostic biomarker and a new therapeutic strategy for melanoma.
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