BEAS-2B cells were incubated with TGFβ1 (2 ng/ml) alone, FGF2 (2 nM) alone, PD173074 (0.1 μM, Cayman Chemical, MI, USA) alone or FGF2 (2 nM) and TGFβ1 with or without PD173074 for 4 days prior to collection of RNA. The dose of PD173074 used was based on our prior studies (53 (link)).