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.

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

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 2-AG by GC- or LC-MS.

A potential cytochrome P450 metabolite of N-arachidonoyl taurine that may activate TRPV1 and TRPV4.

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.

Contains four deuterium atoms at the 3', 3', 4', and 4' positions; is intended for use as an internal standard for the quantification of tafluprost by GC-or LC-mass spectrometry.

A toxin produced by cyanobacteria that inhibits the catalytic activity of protein phosphatases PP1C, PP1γ, and PP2A with Ki values of 0.15, 0.24, and 0.018 nM, respectively.

Isoprostanes are prostaglandin (PG)-like products of free-radical induced lipid peroxidation. Although the isoprostanes derived from arachidonic acid are the best characterized, many other polyunsaturated fatty acids can form isoprostanes. iPF2α-VI is one of dozens of possible stereo- and…

The diol resulting from the sEH opening of (±)11(12)-EET; contracts artery rings with approximately 70% of the magnitude of (±)11(12)-EET.

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…

A major urinary metabolite of PGE2 that is excreted in guinea pig urine at a concentration range of 1.34-2.74.

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

A positional isomer of LXA4 produced by the metabolism of 15-HETE or 15-HpETE by human leukocytes; inhibits PMV migration stimulated by LTB4 at a concentration of 10-7 M and inhibits LTB4-induced adhesion of PMNs with an IC₅₀ value of ~3 x 10-10 M.

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 PGE2-1-glyceryl ester by GC- or LC-MS.

8(S)-HETrE is a monohydroxy PUFA produced by rabbit neutrophil lipoxygenase when DGLA is used as a substrate. Although the biological activities of 8(S)-HETrE have not been well characterized, it is expected to behave similarly to 8(S)-HETE.

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.

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

(±)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…

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

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.

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

A potent, selective inhibitor of PKG (in vitro IC50 = 234 nM); cell-permeable and often used in intact cells to assess the role of PKG in signaling.

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

A potential metabolite of PGD2, presumably produced from the known metabolite 13,14-dihydro-15-keto PGD2.

An isotopically enriched form of a PUFA 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 major CYP450 metabolite of arachidonic acid that is released from the kidney in response to angiotensin II; a potent vasodilator of renal preglomerular vessels; blocks 20-HETE-induced vasoconstriction of renal arterioles at 1 µM.

(±)8-HETE is one of the six monohydroxy fatty acids produced by the non-enzymatic oxidation of arachidonic acid.

A non-enzymatic hydrolysis product of LTA4 with reduced activity compared to LTB4; also produced by oxidative decomposition of CysLTs such as LTC4 in the presence of myeloperoxidase and hypochlorous acid.

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.

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