Fig. 7.
PF4 does not inhibit EGF binding or degradation.
125I-EGF (7 nM) was incubated with A431 cells for 4 hours at 37°C either alone (B) or in the presence of 20 μg/mL PF4 (P) or unlabeled 800 nM EGF (E). Data are the mean ± SD of 2 independent experiments performed in triplicate.
