Figure 1From: Human saliva, plasma and breast milk exosomes contain RNA: uptake by macrophagesExosomes from saliva, plasma and breast milk detected with electron microscopy. Exosomes from human saliva (A, B), plasma (C) and breast milk (D) were examined in the electron microscope. No isotype control antibody (A), but anti-CD63 antibody (B-D), was detected by 10 nm gold labelled secondary antibody. The scale bars represent 100 nm.Back to article page