TNFAIP6 and bronchopulmonary dysplasia: (A) Histogram depicting the percentage of macrophages in the BALF of RA, BPD, PBS-injected, MSC-CM EXO 25 wks injected-, Isotype IgG+ EXO 25 wks injected-, NAb TSG-6 + EXO 25 wks injected- BPD mice at PN14 (B) Graph demonstrating PAAT values from the echocardiography of six experimental groups RA, BPD, PBS-injected, MSC-CM EXO 25 wks injected-, Isotype IgG+ EXO 25 wks injected-, NAb TSG-6 + EXO 25 wks injected-BPD mice at PN14.