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Effect of human embryonic stem cell conditioned medium (hESC CM) on ovarian cancer cell cycle. SKOV‐3 and HEY cells were treated with day 3 mouse primary embryonic fibroblast (MEF) CM or MEF + hESC CM for 24–72 h. Cells were harvested, fixed, stained with propidium iodide and analysed by flow cytometry. DNA histograms show percentage of cells in G1, G2/M and S phases (a–d). Results shown were representative of three independent experiments.
