This was also confirmed by Western blot analysis, in which TGF-β1 increased αSMA expression in IPF-derived HLMFs but not NFC-derived cells, and which was significantly attenuated by LXA4 at 10−8 mol (p = 0.0274) (Fig. 4C). This evidence concerns the gene TGFB1 and idiopathic pulmonary fibrosis.