.DELTA.17-6-keto PGF1α is the non-enzymatic hydrolysis product of PGI3. PGI3 is a COX pathway metabolite of EPA in various tissues such as seminal vesicles, lung, PMNL, and ocular tissues.

(±)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.

Linoleic acid is a PUFA prevalent in the western diet. The peroxide free linoleic acid is protected from autoxidation by the antioxidant BHT (2,6-Di-tert-butyl-4-hydroxytoluene). Linoleic acid is also available without BHT (Item No. 90150).

(±)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).

Leukotrienes (LTs) are a group of acute inflammatory mediators derived from arachidonic acid in eosinophils, mast cells, and macrophages. Their biosynthesis proceeds via the 5-lipoxygenase (5-LO) pathway in which 5-LO converts arachidonic acid into LTA4 with 5(S)-HpETE as an intermediate. The…

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(R)-Fluprostenol isopropyl ester is a prodrug (Travoprost) which is converted by esterase enzymatic activity in the cornea to yield the corresponding free acid. The free acid, (+)-15(R)-fluprostenol, is a potent FP receptor agonist. The 15(R)-epimers of most PGs are about 100 times less…

A potent inhibitor of HCV infection (EC₅₀ = 17 nM) that displays low cytotoxicity of virally-infected human hepatoma Huh7.5.1 cells (CC₅₀ = 21.3 µM); displays good pharmacokinetics in mice when delivered intraperitoneally, with preferential liver distribution without…

A homolog of EPEA, characterized by the addition of an (R)-α-methyl group at the methylene carbon adjacent to the amide nitrogen.

Hydroxy linoleins are a mixture of 132 possible isomers of mono-, di-, and tri-hydroxy compounds produced by the autoxidation of trilinolein and subsequent reduction of the hydroperoxides. Autoxidation of linoleic acid containing triglycerides (i.e., trilinolein) in vivo could result in the…

Linolein hydroperoxides are a mixture of 132 possible isomers of mono-, di-, and tri-hydroperoxides produced from the autoxidation of trilinolein. Autoxidation of linoleic acid containing triglycerides (for example, trilinolein) in vivo could result in the formation of these hydroperoxides. Unlike…

The isoprostanes are a family of eicosanoids of non-enzymatic origin produced by the random oxidation of tissue phospholipids by oxygen radicals. Isoprostanes appear as artifacts in tissue and plasma samples which have undergone oxidative degradation during prolonged or improper storage. They also…

3-HPA is an analog of AM404, which is a selective inhibitor of carrier-mediated transport of AEA. 3-HPA is metabolized by both COX-1 and COX-2 and also selectively and irreversibly inhibits COX-2 with an IC50 value of 2 µM.

A fatty acid amide derived from ricinoleic acid and methyl benzylamine that demonstrates potent growth inhibition of glioma (U251), breast (MCF-7), ovarian (NCI-ADR/RES and OVCAR-3), kidney (786-0), non-small cell lung (NCI-H460), and prostate (PC-3) cancer cells with a mean GI50 value of 6.9 µM.

An essential fatty acid and the most abundant ω-3 fatty acid in neural tissues, especially in the retina and brain; constitutes as much as 40% of the total PUFA pool in retinal and neuronal membranes; dietary supplementation via fish oil inhibits the progression of atherosclerosis and delays…

Modified with a carboxylic acid group terminating the C-16 alkyl chain, providing a convenient site for chemical crosslinking.

A minor alkaloid produced in plants of the Solanaceae family, including tobacco; detection in urine is used as an indicator of tobacco use; diminishes Aβ production, reduces the transcription and protein levels of β-secretase, and dose dependently inhibits NF-κB activation.

A natural sesquiterpene that inhibits the proliferation of a wide range of tumors and enhances the effects of various chemotherapies; 10-40 µg/ml dose-dependently induces apoptosis and cell cycle arrest in the G2/M phase in HepG2 cells, upregulating Fas/FasL expression.

For the quantification of TXB₂ in urine, serum, tissue culture supernatants, and other sample matrices Sensitivity (80% B/B0): 5 pg/ml Assay Range: 1.6-1,000 pg/ml Thromboxane A2 (TXA2) is produced from arachidonic acid by many cells and causes irreversible platelet…

Features Each vial contains a mixture of standards packaged in amber ampules purged with argon >1 ml provided at the concentration specified in the insert Designed for direct snap and inject use in mass spectrometry applications Ideally suited for method development and as a…

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.

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 ethanolamine amide of DHA that has been detected in both brain and retina at concentrations similar to those for AEA; binds to the rat brain CB1 receptor (Ki = 324 nM), which is approximately 10-fold higher than the Ki for AEA; inhibits shaker-related voltage-gated potassium channels in brain…

The COX Colorimetric Inhibitor Screening Assay measures the peroxidase component of cyclooxygenases. The peroxidase activity is assayed colorimetrically by monitoring the appearance of oxidized TMPD at 590 nm. Inhibition of COX activity by a variety of selective and nonselective inhibitors shows…

11-KT is a second key androgenic steroid found in fish. It occurs in males together with testosterone in amounts which vary from less than 1 ng/ml to as much as 50-100 ng/ml, depending on the species and the stage of the reproductive cycle.

11β-PGF2α-EA is the theoretical hepatic metabolite of PGD2-EA, produced during COX-2 metabolism of the endogenous cannabinoid AEA which is found in brain, liver, and other mammalian tissues. AEA can be used directly by COX-2 and specific PG synthase to produce ethanolamide congeners of…

11β-PGF2α is the primary plasma metabolite of PGD2 in vivo, the levels of which can increase from 6 pg/ml in a normal healthy volunteer to 490 ng/ml in patients with systemic mastocytosis. The normal human urinary excretion of 11β-PGF2α is about 11 ng/mmol creatinine (~400…

The four tocopherols (α, β, .delta., and γ) and four tocotrienols (α, β, .delta., and γ) are forms of vitamin E, which is known for its antioxidant activity. Tocotrienols are found at high concentrations in palm oil and rice bran. Recent studies show tocotrienols…

EPA is an ω-3 fatty acid abundantly available in marine organisms. It is a poor substrate for COX-1. EPA has been shown to offer protection against coronary heart disease, thrombosis, ischemic brain injury, scaly dermatitis, and some inflammatory diseases.

Thioester analogs of glycerophospholipids, in combination with Ellman’s reagent, are convenient colorimetric substrates for the measurement of phospholipase activity. HEPC is a truncated analog of phosphatidylcholine with the entire sn-1 substituent deleted, and with a hexadecylthioester in…

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 OEA by GC- or LC-MS.