FARP1 Facilitates Cell Proliferation Through Modulating MAPK Signaling Pathway in Cutaneous Melanoma.

PURPOSE:The purpose of our study was to investigate the biological functions of gene in cutaneous melanoma. METHODS:The mRNA expression level of Fduanyu371 in cutaneous melanoma was analyzed based on the data obtained from ONCOMINE and The Cancer Genome Atlas database. Kaplan-Meier analysis was conducted to explore the association between Fduanyu371 expression and the overall survival time of patients with cutaneous melanoma. The mRNA expression of Fduanyu371 in melanoma cells was determined by qRT-PCR. A-375 cell line with silenced Fduanyu371 was constructed to explore its biological functions. Cell proliferation, migration, and invasion abilities were determined by CCK8 assay, wound-healing assay, and transwell assays, respectively. Western blot was performed to explore the protein expression of pMEK, MEK, pERK, and ERK. RESULTS:Our results showed that the expression level of Fduanyu371 was upregulated in cutaneous melanoma tissues and cells. Kaplan-Meier analysis revealed that high expression of Fduanyu371 is predictive of shorter overall survival time in patients with cutaneous melanoma. Through CCK8 assay, we found that knockdown of Fduanyu371 in A-375 cells exhibited dramatically inhibitory effect on cell proliferation. The results of wound-healing and transwell assays revealed that the motility of A-375 cells was notably suppressed after silencing Moreover, the relative expression levels of pMEK/MEK and pERK/ERK decreased remarkably in A-375 cells following being transfected with present results preliminary proofed that Fduanyu371 possibly acts as a promoter in cutaneous melanoma development and possesses the potential to be a therapeutic target in patients with cutaneous melanoma.

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