Research Article
[Retracted] Metformin Ameliorates Senescence of Adipose-Derived Mesenchymal Stem Cells and Attenuates Osteoarthritis Progression via the AMPK-Dependent Autophagy Pathway
Figure 7
(a) In vivo imaging of DiR-labeled ADSCs at 1, 3, and 7 days postinjection. After injection of DiR-labeled ADSCs, representative images are shown. (b) Quantitation of DiR-labeled ADSC fluorescence signal.
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