Research Article
Mesenchymal Stem Cell-Derived Exosomes Ameliorate Delayed Neurocognitive Recovery in Aged Mice by Inhibiting Hippocampus Ferroptosis via Activating SIRT1/Nrf2/HO-1 Signaling Pathway
Figure 4
Phenotypic identification of collected MSCs-Exo. (a) Representative electron microscopy image of MSCs-Exo ( nm). (b) Representative marker of isolated exosomes detected by Western blot. (c) Size distribution of exosomes determined by Nanoparticle Tracking Analyzer. (d) Representative fluorescence images of brain sections stained; PKH26-dyed exosomes were administered through tail vein into mice.
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