pgf1alpha

Prostaglandin F1α (PGF1α) is a lipid mediator and an endogenous metabolite of prostacyclin, primarily metabolised from DGLA via the COX pathway, and can dose-dependently regulate smooth muscle contraction.

17-TFM-PGF1α (Compound 8) is a saturated prostaglandin analog. It exhibits a high affinity and receptor selectivity for the human prostaglandin F receptor (hFP receptor), with an EC50 of 85 nM.

9,11-methane-epoxy Prostaglandin F1α (9,11-Epoxymethano PGH1; 9,11-methane-epoxy PGF1α) is a derivative of prostaglandin H1. This compound induces aggregation of isolated rabbit platelets with an EC50 of 0.88 µM and causes contraction of rabbit aorta strips with an EC50 of 0.11 µM. Additionally, it leads to the contraction of isolated guinea pig trachea with an EC50 of 3.4 µM.

2,3-Dinor-8-iso Prostaglandin F1α (2,3-dinor-8-iso PGF1α), an isoprostane and active metabolite of arachidonic acid deriving its formation from non-enzymatic free radical peroxidation, acts as an active metabolite of the platelet aggregation inhibitor 8-iso PGF2α. This compound exhibits vasoconstrictive properties in isolated porcine retinal and brain microvessels with EC50 values of 12.8 and 18.5 nM, respectively, yet it does not cause contraction in isolated rat aortic rings at a concentration of 31 µM. Further, at a concentration of 1 µM, it raises thromboxane B2 (TXB2) levels in isolated porcine brain slices, an effect reversible by thromboxane A synthase inhibitor CGS 12970, voltage-gated calcium channel inhibitor SKF 96365, or the nicotinic acetylcholine receptor (nAChR) antagonist α-conotoxin.