Coronary artery constriction by the isoprostane 8-epi prostaglandin F2α
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چکیده
منابع مشابه
Generation of the isoprostane 8-epi-prostaglandin F2alpha in vitro and in vivo via the cyclooxygenases.
F2-isoprostanes are isomers of the prostaglandin PGF2alpha. At least one compound of this group, 8-epi-PGF2alpha, exhibits biological activity, and therefore special interest is focused on the mechanism of isoprostane formation: enzyme catalyzed or radical mediated. We analyzed the formation of isoprostanes in vitro and in vivo. In both systems, purified cyclooxygenase isoenzymes and cell model...
متن کاملGeneration of the Isoprostane 8-Epi-prostaglandin F2a In Vitro and In Vivo via the Cyclooxygenases
F2-Isoprostanes are isomers of the prostaglandin PGF2a. At least one compound of this group, 8-epi-PGF2a, exhibits biological activity, and therefore special interest is focused on the mechanism of isoprostane formation: enzyme catalyzed or radical mediated. We analyzed the formation of isoprostanes in vitro and in vivo. In both systems, purified cyclooxygenase isoenzymes and cell models specif...
متن کاملIsoprostane 8-epi-prostaglandin F2 alpha is a potent contractor of human peripheral lymphatics.
Isoprostanes are products of free radical-catalyzed peroxidation and 8-epi-prostaglandin (PG) F2 alpha is the most important vasomodulator of this group of compounds. In human lower leg lymphatics isolated from 5 different patients without a smoking history or hyperlipidemia, 8-epi-PGF2 alpha stimulated in vitro contraction more strongly than the thromboxane receptor agonist U46619. Other isopr...
متن کاملSynthesis of 8-epi-prostaglandin F2alpha by human endothelial cells: role of prostaglandin H2 synthase.
The experiments described in this paper were designed to determine the mechanism underlying the increase in 8-isoprostaglandin F(2alpha) (8-epi-PGF(2alpha)) production by cultured human endothelial cells during reoxygenation following hypoxia. Human umbilical artery endothelial cells were grown on microcarrier beads and exposed to sequential periods of normoxia, hypoxia, and reoxygenation. The ...
متن کاملUrinary Levels of 8-Iso-Prostaglandin F2α and 8-Hydroxydeoxyguanine as Markers of Oxidative Stress in Patients With Coronary Artery Disease
BACKGROUND AND OBJECTIVES The objective of this study was to determine if urinary levels of 8-iso-prostaglandin F2α (8-iso-PGF2α) and 8-hydroxydeoxyguanine (8-OHdG) could be used as markers of the oxidative stress in significant coronary artery disease (CAD). SUBJECTS AND METHODS We conducted a case-control study in 104 subjects assessed by coronary angiography with the following diagnoses: 3...
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ژورنال
عنوان ژورنال: British Journal of Pharmacology
سال: 1996
ISSN: 0007-1188
DOI: 10.1111/j.1476-5381.1996.tb16033.x