Scheme 1

Schematic diagram of time points for animal experiments of this study. TBI, traumatic brain injury; HE, hematoxylin and eosin; IHC, immunohistochemistry; FCM, flow cytometry; qPCR, quantitative polymerase chain reaction; TEM, transmission electron microscopy; WB, western blot; IVIS, in vivo imaging system; IF, immunofluorescence