Fig. 4

[¹⁸F]DPA-714 PET images. Panel a shows representative PET images (yellow and brown), TTC staining (red and white), and ARG (rainbow colors) of rat brains. Color bars indicate the scale of SUV in PET images (right) and the qualitative scale in ARG (left). Panel b shows the max SUV (right) and the mean SUV (left). 3d and 10d indicate the day after MCAO. BMSC group, red; and vehicle group, green. *P < 0.05, 3d vs. 10d; †P < 0.05 and ns, not significant, BMSC vs. vehicle