miRNA expression in clinical samples as determined by reverse transcription- quantitative polymerase chain reaction. The expression levels of (A) miR-125b-5p, (B) miR-483-3p, (C) miR-4326, (D) miR-6894-3p, (E) miR-4498, (F) miR-490-3p, (G) miR-7155-5p and (H) miR-937-3p in MM (n=35) and control (n=20) samples. MM, multiple myeloma; miR, microRNA.