We further established stable AGO2-overexpressing U266 and OCI-My5 myeloma cell lines (U266-pcDNA3-AGO2 and OCI-My5-pcDNA3-AGO2) and empty vector controls (U266-pcDNA3 and OCI-My5-pcDNA3; Additional file 1: Figure S1). This evidence concerns the gene AGO2 and plasma cell myeloma.