Background: MicroRNA-203 is down-regulated, and its exogenous expression inhibits cell growth in human melanoma cells. Results: MicroRNA-203 induced senescence by cell cycle arrest through targeting E2F3. Conclusion: MicroRNA-203 is a novel senescence-associated microRNA in melanoma cells. Significance: This study has revealed the relationship between senescence and carcinogenesis in melanoma cells with respect to dysregulation of anti-oncogenic microRNA-203.
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