(+/-)14(15)-EPOXY-5Z,8Z,11Z,17Z-EICOSATETRAENOIC ACID

(+/-)14(15)-EPOXY-5Z,8Z,11Z,17Z-EICOSATETRAENOIC ACID Property

solubility 

DMF: 50 mg/ml; DMSO: 50 mg/ml; Ethanol: 50 mg/ml; PBS (pH 7.2): 1 mg/ml

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H225Highly Flammable liquid and vapour

H319Causes serious eye irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P241Use explosion-proof electrical/ventilating/lighting/…/equipment.

P242Use only non-sparking tools.

P243Take precautionary measures against static discharge.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P337+P313IF eye irritation persists: Get medical advice/attention.

P370+P378In case of fire: Use … for extinction.

P403+P235Store in a well-ventilated place. Keep cool.

P501Dispose of contents/container to..…

(+/-)14(15)-EPOXY-5Z,8Z,11Z,17Z-EICOSATETRAENOIC ACID Chemical Properties,Usage,Production

Description

EDHF (endothelium-derived hyperpolarizing factor) is an unidentified mediator released from vascular endothelial cells in response to acetylcholine and bradykinin which is distinct from the NOS- (nitric oxide) and COX-derived (prostacyclin) vasodilators.^1,2 Cytochrome P450 (CYP450) metabolism of polyunsaturated fatty acids, produces epoxides such as (±)14(15)-EpETrE which are prime candidates for the actual active mediator.³ However, the CYP450 metabolites of eicosapentaenoic acid (EPA; ) and docosahexaenoic acid (DHA; ) have been little studied relative to arachidonate epoxygenase metabolites. (±)14(15)-EpETE is the ω-3 homolog of 14(15)-EpETrE, derived via epoxidation of the 14,15-double bond of EPA. The EDHF activity of (±)14(15)-EpETE has not yet been determined.

Uses

14(15)-EpETE is the epoxide of cytochrome P450 (CYP450) and is involved in the regulation of vascular tone and renal function[1].

References

1. Chataigneau, T., Félétou, M., Duhault, J., et al. Epoxyeicosatrienoic acids, potassium channel blockers, and endothelium-dependent hyperpolarization in the guinea-pig carotid artery Br. J. Pharmacol. 123(3),574-580(1998).
2. Fisslthaler, B., Popp, R., Kiss, L., et al. Cytochrome P450 ²C is an EDHF synthase in coronary arteries Nature 401(6752),493-497(1999).
3. Baron, A., Frieden, M., and Bény, J.L. Epoxyeicosatrienoic acids activate a high-conductance, Ca²⁺-dependent K⁺ channel on pig coronary artery endothelial cells J. Physiol. 504(Pt 3),537-543(1997).