Background
ent-8-iso-Prostaglandin F2α-d9 (ent-8-iso-PGF2α-d9) contains nine deuterium atoms at the 17, 17', 18, 18', 19, 19',20,20, and positions. It is intended for use as an internal standard for the quantification of ent-8-iso-PGF2α by GC- or LC-mass spectrometry. Isoprostanes are produced by the non-enzymatic, free-radical peroxidation of arachidonic acid. They have been used as biomarkers of oxidative stress, but they also have been found to have a potent biological activity. ent-8-iso Prostaglandin F2α (ent-8-iso PGF2α) is a potent vasoconstrictor of porcine retinal and brain microvessels with EC50 values of 31 and 54 nM, respectively.1
1.Hou, X., Robers, L.J., II, Gobeil, F., Jr., et al.Isomer-specific contractile effects of a series of synthetic F2-isoprostanes on retinal and cerebral microvasculatureFree Radical Biology & Medicine36(2)163-172(2004)
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