Fig. 5From: The potential use of mesenchymal stem cells-derived exosomes as microRNAs delivery systems in different diseasesMSCs have been isolated from different sources (A and B). Exosomes are produced by various methods from diverse types of MSCs (C). The standard diagram of the HFB-based 3D culture method. The technique was prepared of a pulsatile perfusion pump, an oxygenator, a cartridge comprising thousands of hollow fibers, a bottle of culture media, and the linking tubeBack to article page