Fig 4. ErbB4 down regulation in fibroblasts and the effect of FCM from the ErbB4 down regulated fibroblasts on DSPC synthesis in type II cells.
A: Representative blots of total ErbB4 receptor proteins (upper panel) and β actin (lower panel) in female fibroblasts. #Scr: scrambled siRNA, siB4: ErbB4 siRNAs. B: Densitometric analysis of ErbB4 receptor protein amounts in fibroblasts. Values (Mean±SEM, N=8) represent the ratio of receptor protein to β actin and then normalized by scrambled siRNA treatments. *: P<0.05. C: 3H Choline incorporation into DSPC in type II cells. Values represent ratio of DPM to protein amounts and then normalized by scrambled siRNA treatments. Mean±SEM, N=24. **P<0.01.