Fig. 2. Characterization of MCL primary exosomes.

(A) Exosomes were isolated from the culture media of MCL patient(s) cells and analyzed by transmission electron microscopy (TEM). (B) Measurement of MCL primary exosomes mean diameter by nanoparticle tracking analysis system. (C) Flow cytometry analysis of exosomal surface protein (CD81 or CD63) and the B-lymphocytes marker (CD20) on primary exosomes from serum of patients MCL7, MCL8, and MCL4.