Eight of them (miR-1291, miR-143, miR-193b, miR-365, miR-744, miR-345, miR-146b-3p and miR-7) were significantly decreased in two cell lines and two miRNAs (miR-146b-5p and miR-203) were down-regulated in all three analysed ALK+ ALCL cell lines. This evidence concerns the gene ALK and anaplastic large cell lymphoma.