Key urinary metabolite of PGD2; represents approximately 1% and 4% of the infused radiolabeled dose in monkeys and humans, respectively.

An EpEDE acid formed from DGLA, either by a strong oxidizing agent or by cytochrome P450 epoxygenases; biological properties are poorly understood.

11-trans LTD4 is a C-11 double bond isomer of LTD4. LTD4 undergoes slow temperature-dependent isomerization to 11-trans LTD4 during storage. 11-trans LTD4 retains about 10-25 % of the potency for contraction of guinea pig ileum, trachea and parenchyma compared to LTD4. It exhibits an ED50 ranging…

Major β-oxidation product resulting from peroxisomal metabolism of 12(S)-HETE

A metabolite of (±)12(13)-EpOME.

(±)14(15)-EET-d11 contains 11 deuterium atoms at the 16, 16', 17, 17', 18, 18' ,19, 19' ,20, 20, and 20 positions. It is intended for use as an internal standard for the quantification of (±)14(15)-EET (Item No. 50651) by GC- or LC-MS.

A 5-series LO derived from EPA; contracts pulmonary parenchymal strips from guinea pig with similar potency to that of LXA4 and LXB4, yet does not exert the vasodilatory effects on aortic smooth muscle exhibited by LXA4 and LXB4.

An internal standard for the quantification of PGE2-1-glyceryl ester by GC- or LC-MS.

5(S)-HETrE is produced by the action of 5-LO when mead acid is the substrate. There are no literature reports of the biological activity or further metabolic fate of 5(S)-HETrE.

A metabolite of PGD2 via the 15-hydroxy PGDH pathway.

One of the six monohydroxy fatty acids produced by the non-enzymatic oxidation of arachidonic acid.

A DHA epoxygenase metabolite found in rat brain and spinal cord that acts as a preferred substrate for sEH (Km = 3.2 µM); demonstrates antihyperalgesic activity in inflammatory and neuropathic pain models and potently inhibits angiogenesis and tumor growth in in vitro assays.

An isotopically enriched form of a PUFA standard with carbon-13 occurring at positions 1, 2, 3, 4, and 5; used to study metabolic processes related to arachidonic acid by means of mass spectrometry.

A DHA-derived product first identified in mouse inflammatory exudates; reduces neutrophil infiltration in vivo in both mouse peritonitis and dermal inflammation; enhances macrophage phagocytosis and efferocytosis.

(±)15-HETE is one of the six monohydroxy fatty acids produced by the non-enzymatic oxidation of arachidonic acid. The biological activity of (±)15-HETE is similar to that of its constituent enantiomers (Item Nos. 34720 and 34710).

A DHA epoxygenase metabolite detected in rat brain and spinal cord, as well as human serum, that acts as a substrate for sEH (Km = 5.1 µM); demonstrates antihyperalgesic activity in inflammatory and neuropathic pain models and potently inhibits angiogenesis and tumor growth in in vitro assays.

An internal standard for the quantification of 4-HNE mercapturic acid by GC- or LC-MS.

A cyanobacterial toxin that targets protein and glutathione synthesis in hepatocytes (IC50s = 1.3 and 2.4 µM, respectively), inhibits uridine monophosphate synthase complex activity (Ki = 10 µM), and induces DNA damage.

An internal standard for the quantification of (±)14(15)-DiHET by GC- or LC-MS.

An aspirin-triggered lipoxin that inhibits LTB4-induced chemotaxis, adherence, and transmigration of the neutrophils with twice the potency of LXA4 demonstrating activity in the nM range.

A bioactive macrolide derived from sponges that binds monomeric actin, preventing actin polymerization both in vitro (Kd = 0.2 μM) and in cells (0.5 μM).

An internal standard for the quantification of 8,12-iso-iPF2α-VI by GC- or LC-MS.

17-trans PGE3 is an isomer of PGE3 which could theoretically result from the COX metabolism of dietary trans-fatty acids. There are no published reports on the biological activity of this compound.

An internal standard for the quantification of DHA by GC- or LC-MS.

(±)12-HpETE is one of the six monohydroperoxy fatty acids produced by the non-enzymatic oxidation of arachidonic acid (Item No. 90010) and consists of an equal mixture of the R and S isomers. Reduction of the hydroperoxide yields the more stable hydroxyl fatty acid (±)12-HETE (Item…

An internal standard for the quantification of PGA2 by GC- or LC-MS.

Less potent than AEA (Item No. 90050) at the CB1 receptor (Ki = 600 versus 90 nM); inhibits FAAH.

A microbial metabolite isolated from Streptomyces that is widely used as a selective inhibitor of the 20S proteasome.

(±)9-HETE is one of the six monohydroxy fatty acids produced by the non-enzymatic oxidation of arachidonic acid. The individual R and S isomers of racemic HETEs have been separated and identified using chiral phase HPLC. The racemic HETEs have been quantified as an index of lipid…

A minor CYP450 metabolite of arachidonic acid that stimulates vasodilation of rabbit kidney.

15(R)-HEDE is isolated by the chromatographic resolution of (±)15-HEDE. There are no reports of biological activity associated with 15(R)-HEDE in the literature.

A 13R,14S-dihydroxy DHA formed by recombinant human macrophage 12-LO and sEH co-incubated with DHA; reduces neutrophil infiltration in a mouse model of peritonitis and enhances human macrophage phagocytosis of zymosan A.