Fig. 6From: Acute lung injury by gastric fluid instillation: activation of myofibroblast apoptosis during injury resolutionChanges in TGF-β1 levels in BALF. TGF-β1 levels show a significant increase very early during acute lung injury, starting at 4 h, remaining elevated for 24 h and reaching control (C) values at day 4. Data are means ± SEM. **p < 0.01Back to article page