Figure 1. Features of exosomes derived from non-diabetic and diabetic patients. (A) DLS results, TEM images and WB results of Con-Exos. (B) DLS results, TEM images and WB results of Dia-Exos; scale bar: 100 nm. (C) PKH26-labeled Con-Exos were absorbed by HUVECs, as indicated by a red fluorescent signal. (D) PKH26-labeled Dia-Exos were taken up by HUVECs, as indicated by a red fluorescent signal.