Fig. 4 | Scientific Reports

Fig. 4

From: Exosomes carrying adipose mesenchymal stem cells function alleviate scleroderma skin fibrosis by inhibiting the TGF-β1/Smad3 axis

Fig. 4

Identification and uptake of exosomes. (A) Determination of exosomes concentration and particle size by nanoparticle tracking analyzer (NTA); (B) Morphology of exosomes was detected by transmission electron microscopy (TEM), scale bars = 100 nm (left) and 200 nm (right); (C) Identification of exosomes surface markers by western blot (WB); (D) Fluorescence microscopy of exosomes and fibroblasts in co-culture.

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