Lung growth | Accelerated lung maturation | Accelerated lung maturation |
| Accelerated thinning of double capillary loops | Accelerated thinning of double capillary loops |
| ↓ Secondary septal formation | ↓ Secondary septal formation |
| ? Decreased final alveoli number | ? Decreased final alveoli number |
| ↓ Body weight | |
Surfactant | ↑ Lamellar bodies in type II pneumocytes | ↑ SP-A, SP-D |
| ↑ SP-B, SP-C, SP-D | ?↑↓ SP-B, SP-C |
| ↑↓SP-A depending on gestation | ?↑ Choline incorporation into DPPC |
| ↑ Choline incorporation into DPPC | ?↑ Concentration of PC |
Antioxidant enzymes | Improved survival in rat pups | ? ↑ Antioxidant enzyme activity |
| ↑ Antioxidant enzyme activity | |
| ↑ Antioxidant activity | |
Inflammation | Unknown | ↓ Neutrophils |
| | ↓ Tracheal fluid elastase |
| | ↓ Proinflammatory cytokines |
| | ? Effect on growth factors |