Publications by authors named "Heather Grifka"

Although the lipid mediator prostaglandin E(2) (PGE(2)) exerts antifibrotic effects by inhibiting multiple fibroblast functions, its ability to regulate fibroblast survival is unknown. Here, we examined the effects of this prostanoid on apoptosis and apoptosis pathways in normal and fibrotic lung fibroblasts. As compared to medium alone, 24 h of treatment with PGE(2) increased apoptosis of normal lung fibroblasts in a dose-dependent manner (EC(50) approximately 50 nM), as measured by annexin V staining, caspase 3 activity, cleavage of poly-ADP-ribose polymerase, and single-stranded DNA levels.

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