GFAP and bronchopulmonary dysplasia: (E-H) TSG-6 administration attenuates demyelination and decrease in astrocytes in hyperoxia-induced lung injury (E) Representative immunofluorescence images of MBP staining in RA, BPD, vehicle (PBS)-injected BPD mice and TSG-6-injected BPD mice (I-IV) (F) Representative immunofluorescence images of GFAP staining in RA, BPD, PBS + BPD and TSG-6-injected groups (I-IV).