Fig. 1From: Exosomes secreted by stem cells from human exfoliated deciduous teeth contribute to functional recovery after traumatic brain injury by shifting microglia M1/M2 polarization in ratsPhenotyping of BV-2 microglia. a Flow cytometry histograms showed the expression levels of surface markers: CD11b (FITC, blue peaks) and F4/80 (APC, red peaks); the numbers of positive cells are indicated at the top right corner. b Representative images of BV-2 microglia with respect to immunofluorescence observation showing positive expression of CD11b, Iba-1, and F4/80. Scale bar = 100 μmBack to article page