Lipophilic analog of 16-phenoxy tetranor PGF2α
Prostaglandin F2α (PGF2α) drives luteolysis and smooth muscle contraction by activating the FP receptor. Stable, lipophilic analogs of PGF2α are used to modulate luteolysis and treat glaucoma. 16-phenoxy tetranor PGF2α is a metabolically stable form of PGF2α containing a 16-phenoxy group at the ω-terminus. It binds to the FP receptor on ovine luteal cells with much greater affinity (440%) than PGF2α. 16-phenoxy tetranor PGF2α methyl amide is a lipophilic analog of 16-phenoxy tetranor PGF2α. Methyl amides of PGs may serve as prodrugs, as they are hydrolyzed in certain tissues to generate the bioactive free acid.
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