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MicroRNAs are small non-coding RNAs, which inhibit expression of specific target genes at the post-transcriptional level and are often misregulated in human cancer. Among them, miR-34a is considered a tumor suppressor with a hypothetical role in melanoma tumorigenesis. In this work, 62 Italian index patients with familial melanoma and negative for CDKN2A/CDK4 screening were investigated for miR-34a...