Protein expression levels of retinoic acid receptors (RARs) in normal lung explants (Control) treated with a bombesin or ghrelin antagonist (Bomb Ant or Grl Ant)
A, RARα. B, RARβ. C, RARγ. Representative blots are shown. Protein levels were normalised to β-tubulin, which was used as a loading control. The data are presented as means ± SEM. **P < 0.01; ***P < 0.001.