MiR-124 is the most abundant miRNA in the brain, which was frequently decreased in a variety of human tumors, including gastric cancer, colorectal cancer, hepatocellular carcinoma, medulloblastoma, and glioblastoma [18, 19].MiR-124 is the most abundant miRNA in the brain, which was frequently decreased in a variety of human tumors, including gastric cancer, colorectal cancer, hepatocellular carcinoma, medulloblastoma, and glioblastoma [18,