An autoxidation product of DHA and potential marker of oxidative stress
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(±)14-HDHA

Item No. 33550

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
(±)14-hydroxy-4Z,7Z,10Z,12E,16Z,19Z-docosahexaenoic acid
CAS Number
87042-40-8
Synonyms
  • 14-hydroxy Docosahexaenoic Acid
  • (±)14-HDoHE
Molecular Formula
C22H32O3
Formula Weight
344.5
Purity
≥98%
Formulation (Request formulation change)
A 100 µg/ml solution in ethanol
Solubility(Learn about Variance in Solubility)
0.1 M Na2CO3: 2 mg/mlDMF: MiscibleDMSO: MiscibleEthanol: MisciblePBS (pH 7.2): 0.8 mg/ml
λmax
237 nm
SMILES
CC/C=C\C/C=C\CC(O)/C=C/C=C\C/C=C\C/C=C\CCC(O)=O
InChi Code
InChI=1S/C22H32O3/c1-2-3-4-5-12-15-18-21(23)19-16-13-10-8-6-7-9-11-14-17-20-22(24)25/h3-4,6-7,10-16,19,21,23H,2,5,8-9,17-18,20H2,1H3,(H,24,25)/b4-3-,7-6-,13-10-,14-11-,15-12-,19-16+
InChi Key
ZNEBXONKCYFJAF-BGKMTWLOSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Wet ice in continental US; may vary elsewhere
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    25 µg

    $85

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    50 µg

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    100 µg

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    250 µg

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    Product Description

    (±)14-HDHA is an autoxidation product of docosahexaenoic acid (DHA) in vitro.1,2 It is also produced from incubations of DHA in rat liver, brain, and intestinal microsomes.3,4,5 DHA is metabolized to 14(S)-HDHA by human platelets along with 11(S)-HDHA.6,7,5 14(S)-HDoHE is also produced by salmon gills upon stimulation with calcium ionophore.8 14(S)-HDHA was shown to be an inhibitor of U-46619-induced human platelet aggregation and rabbit and rat aortic smooth muscle contraction with IC50 values of about 70, 3.6, and 5.3 µM, respectively.7,9 (±)14-HDHA is a potential marker of oxidative stress in brain and retina where DHA is an abundant polyunsaturated fatty acid.

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. VanRollins, M., and Murphy, R.C. Autooxidation of docosahexaenoic acid: Analysis of ten isomers of hydroxydocosahexaenoate. J. Lipid Res. 25(5), 507-517 (1984).

    2. Reynaud, D., Thickitt, C.P., and Pace-Asciak, C.R. Facile preparation and structural determination of monohydroxy derivatives of docosahexaenoic acid (HDoHE) by α-tocopherol-directed autoxidation. Anal. Biochem. 214(1), 165-170 (1993).

    3. VanRollins, M., Baker, R.C., Sprecher, H., et al. Oxidation of docosahexaenoic acid by rat liver microsomes. The Journal of Biological Chemisty 259(9), 5776-5783 (1984).

    4. Yamane, M., Abe, A., and Yamane, S. High-performance liquid chromatography-thermospray mass spectrometry of epoxy polyunsaturated fatty acids and epoxyhydroxy polyunsaturated fatty acids from an incubation mixture of rat tissue homogenate. J. Chromatogr. 652(2), 123-136 (1994).

    5. Kim, H.Y., Karanian, J.W., Shingu, T., et al. Sterochemical analysis of hydroxylated docosahexaenoates produced by human platelets and rat brain homogenate. Prostaglandins 40(5), 473-490 (1990).

    6. Aveldaño, M.I., and Sprecher, H. Synthesis of hydroxy fatty acids from 4,7,10,13,16,19-[1-14C] docosahexaenoic acid by human platelets. The Journal of Biological Chemisty 258(15), 9339-9343 (1983).

    7. Lagarde, M., Croset, M., Guichardant, M., et al. Role of lipoxygenase products in platelet function: Relation to fatty acid modified phospholipids. Adv. Exp. Med. Biol. 192, 327-335 (1985).

    8. Bell, J.G., Dick, J.R., and Sargent, J.R. Effect of diets rich in linoleic or α-linoleic acid on phospholipid fatty acid composition and eicosanoid production in Atlantic Salmon (Salmo salar). Lipids 28, 819-826 (1993).

    9. Karanian, J.W., Kim, H.Y., and Salem, N., Jr. Inhibitory effects of n-6 and n-3 hydroxy fatty acids on thromboxane (U46619)-induced smooth muscle contraction. J. Pharmacol. Exp. Ther. 270(3), 1105-1109 (1994).

    Product Citations

    Archambault, A.-S., Brassard, J., Bernatchez, É., et al. Human and mouse eosinophils differ in their ability to biosynthesize eicosanoids, docosanoids, the endocannabinoid 2-arachidonoyl-glycerol and its congeners. Cells 11(1), 141 (2022).

    Archambault, A.-S., Zaid, Y., Rakotoarivelo, V., et al. High levels of eicosanoids and docosanoids in the lungs of intubated COVID-19 patients. The FASEB Journal 35(6), e21666 (2021).

    Roberts, L.M., Schwarz, B., Speranza, E., et al. Pulmonary infection induces persistent, pathogen-specific lipidomic changes influencing trained immunity. iScience 24(9), 103025 (2021).

    Leiria, L.O., Wang, C.-H., Lynes, M.D., et al. 12-Lipoxygenase regulates cold adaptation and glucose metabolism by producing the omega-3 lipid 12-HEPE from brown fat. Cell Metab. 30(4), 768-783.e767 (2019).

    Dalli, J., Colas, R.A., Walker, M.E., et al. Lipid Mediator Metabolomics via LC-MS/MS Profiling and Analysis. Clinical Metabolomics 59-72 (2018).

    Archambault, A.-S., Turcotte, C., Martin, C., et al. Comparison of eight 15-lipoxygenase (LO) inhibitors on the biosynthesis of 15-LO metabolites by human neutrophils and eosinophils. PLoS One 13(8), e0202424 (2018).

    Morgan, A.H., Hammond, V.J., Morgan, L., et al. Quantitative assays for esterified oxylipins generated by immune cells. Nat. Protoc. 5(12), 1919-1931 (2010).