Fig. 1

Identification of exosomes. A: Representative TEM image of the exosome in PCOS, scale bar = 100 nm; B: Representative TEM image of the exosome in non PCOS, scale bar = 100 nm; C: Nanoparticle Tracking Analysis of exosome in PCOS; D: Nanoparticle Tracking Analysis of exosome in non PCOS; E: CD9, CD81, CD63, TSG101 expressions of exosome detected by western blot