8-isoProstaglandin F2alpha (8-isoPGF2alpha, 8-isoprostane) is a byproduct of non-specific lipid peroxidation, resembling prostaglandin in structure. In humans and rats, its metabolite, 12,3-dinor-8-isoPGF2alpha, is formed following exogenous administration of 8-isoPGF2alpha, which is converted to 2,3-dinor-8-isoPGF1alpha and 2,3-dinor-8-isoPGF2alpha. Additionally, rat hepatocytes can further break down 8-isoPGF2alpha into a beta-oxidation product, 2,3,4,5-tetranor-8-isoPGF2alpha. The metabolite, 2,3-dinor-8-isoPGF2alpha, is normally found in human urine at concentrations of 200-300 pg/ml. Its levels rise in conditions associated with oxidative stress, such as smoking, demonstrating a correlation with the concentration of its precursor, 8-isoPGF2alpha.
Molekulargewicht:
326.4
CAS Nummer:
[221664-05-7]
Formel:
C18H30O5
Target-Kategorie:
Others|||Drug Metabolite
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