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. Author manuscript; available in PMC: 2008 Feb 1.
Published in final edited form as: Prostaglandins Other Lipid Mediat. 2007 Jan 3;83(1-2):112–120. doi: 10.1016/j.prostaglandins.2006.10.005

Figure 4.

Figure 4

Cells were treated and caspase activity assayed as in Figure1. When added, cells were treated with 0.1 uM EP4A 1 hour before addition of 5nM PGE2. Levels are expressed as percent caspase activity elicited by camptothecin. Data represent the mean ± standard error of 5 experiments in triplicate.