Fig. 4.

Graph showing the average% of cells in the different phases of the cell cycle in HMEC-1 cells (A) and keratinocyte cells (B). Cells were incubated with CPF for 24 hours, fixed and stained with propidium iodide. The proportion of cells in the different stages of the cell cycle was determined by FACS analysis. The data is representative of two independent experiments and is expressed as the mean±SD from a single experiment performed in duplicate. C–E show graphs of the cell cycle distribution of keratinocyte cells and F–H HMEC-1 cells treated with CPF at 0 (C, F), 20 (D, G) and 100 (E, H) µg/mL.