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E of patients with colorectal cancer and even other cancers harboring BRAF mutations. In this study, we aimed to identify miRNAs that are specifically dysregulated in BRAF-mutant colorectal cancer using a genome-wide miRNA expression analysis, and to clarify whether these miRNAs play a role in colorectal tumorigenesis as an oncogene or a tumor-suppressor through functional assays using colorectal