Arachidonic acid 15-lipoxygenase products from human eosinophils. 1982

J Turk, and R L Maas, and A R Brash, and L J Roberts, and J A Oates

A series of six derivatives of arachidonic acid containing a conjugated triene system and hydroxyl groups at C-15 and at C-8 or C-14 (15-series leukotrienes) was isolated from eosinophil-rich human leukocyte preparations. Among classes of leukocytes in these preparations, eosinophils were the dominant source of the 15-series leukotrienes. The most abundant arachidonate metabolite recovered from human eosinophils was 15(S)-hydroxy-5,8,11-cis-13-trans-eicosatetraenoic acid. This compound was synthesized by a lipoxygenase enzyme and is a reduction product of the precursor to the 15-series leukotrienes (15(S)-hydroperoxy-5,8,11-cis-13-trans-eicosatetraenoic acid).

UI MeSH Term Description Entries
D008084 Lipoxygenase An enzyme of the oxidoreductase class primarily found in PLANTS. It catalyzes reactions between linoleate and other fatty acids and oxygen to form hydroperoxy-fatty acid derivatives. Lipoxidase,Linoleate-Oxygen Oxidoreductase,Lipoxygenase-1,Lipoxygenase-2,Linoleate Oxygen Oxidoreductase,Lipoxygenase 1,Lipoxygenase 2,Oxidoreductase, Linoleate-Oxygen
D012016 Reference Values The range or frequency distribution of a measurement in a population (of organisms, organs or things) that has not been selected for the presence of disease or abnormality. Normal Range,Normal Values,Reference Ranges,Normal Ranges,Normal Value,Range, Normal,Range, Reference,Ranges, Normal,Ranges, Reference,Reference Range,Reference Value,Value, Normal,Value, Reference,Values, Normal,Values, Reference
D004802 Eosinophilia Abnormal increase of EOSINOPHILS in the blood, tissues or organs. Eosinophilia, Tropical,Hypereosinophilia,Tropical Eosinophilia,Hypereosinophilias,Tropical Eosinophilias
D004804 Eosinophils Granular leukocytes with a nucleus that usually has two lobes connected by a slender thread of chromatin, and cytoplasm containing coarse, round granules that are uniform in size and stainable by eosin. Eosinophil
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001091 Arachidonate Lipoxygenases Enzymes catalyzing the oxidation of arachidonic acid to hydroperoxyarachidonates. These products are then rapidly converted by a peroxidase to hydroxyeicosatetraenoic acids. The positional specificity of the enzyme reaction varies from tissue to tissue. The final lipoxygenase pathway leads to the leukotrienes. EC 1.13.11.- . Arachidonic Acid Lipoxygenase,Lipoxygenase, Arachidonic Acid,Lipoxygenases, Arachidonate
D001095 Arachidonic Acids Eicosatetraenoic Acids,Acids, Arachidonic,Acids, Eicosatetraenoic
D013056 Spectrophotometry, Ultraviolet Determination of the spectra of ultraviolet absorption by specific molecules in gases or liquids, for example Cl2, SO2, NO2, CS2, ozone, mercury vapor, and various unsaturated compounds. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Ultraviolet Spectrophotometry
D013058 Mass Spectrometry An analytical method used in determining the identity of a chemical based on its mass using mass analyzers/mass spectrometers. Mass Spectroscopy,Spectrometry, Mass,Spectroscopy, Mass,Spectrum Analysis, Mass,Analysis, Mass Spectrum,Mass Spectrum Analysis,Analyses, Mass Spectrum,Mass Spectrum Analyses,Spectrum Analyses, Mass

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