Smad8 protein exprtssion was obserred in MDPC-23.Endogenous Smad8 translocated from the cytoplasm into the nucleus after treatment by BMP-2 for 1 hour.

• MDPC-23细胞的胞浆和胞核均有Smad8表达,在BMP-2刺激1h后,Smad8从胞浆向胞核转位聚集。