Fig. 6From: Mechanism of exosomal miR-155 derived from bone marrow mesenchymal stem cells on stemness maintenance and drug resistance in myeloma cellsExpression of OCT-4 and Nanog after miR-155-mimics/inhibitors transfection for 24 h. Blue indicates the nucleus, red indicates Nanog and OCT-4 protein. Images were acquired at 200×Back to article page