Fig. 1. Characterization of MSCs.

(A) Morphology of MSCs. Scale bar: 200 μm. (B, C) Analysis of surface marker expression in MSCs performed by flow cytometry showed high positivity for CD44 (99.24%), CD90 (99.98%) and CD29 (99.92%), but low positivity for CD45 (0.26%). (D) Survival of MSCs in the rat brain after HICH. Cells doubly-labelled with PKH26/DAPI were observed in the lesion site 3 days after HICH. Original magnification: ×400.