Type II cells were cultured under ALI conditions with and without TGF beta for last four days as in Figure 1 and Figure 2. mRNA levels were determined as stated in the methods section. Panel A, SP-A; Panel B, SP-B; Panel C, SP-C; Panel D, SP-D; Panel E, Muc1; Panel F, ABCA3; Panel G, fatty acid synthase; Panel H, LPCAT1; Panel I, SCD1 These are the results of five independent experments. * indicates p<0.05 compared to control.