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In vivo chemotaxis induced by polyunsaturated fatty acids. 1977

N S Penneys, and P Simon, and V A Ziboh, and J Schlossberg

Intradermal injection of as little as 500 ng of arachidonic acid or the metabolites from arachidonic acid incubated with soybean lipoxygenase produced infiltration of the upper dermis by polymorphonuclear leukocytes 18 hours after injection. In experiments comparing the chemotactic properties of four fatty acids in varying concentrations, oxidative products of arachidonic acid by soybean lipoxygenase were the most powerful followed by free arachidonic acid and free linoleic acid while stearic acid did not produce significant infiltration. These findings suggest that the elevated levels of free arachidonic acid and an arachidonic acid metabolite (12L-hydroxy-5, 8, 10, 14-eicosatetraenoic acid), recently found in psoriatic epidermis, may at least in part be attracting polymorphonuclear leukocytes into psoriatic skin.

UI MeSH Term Description Entries
D007271 Injections, Intradermal The forcing into the skin of liquid medication, nutrient, or other fluid through a hollow needle, piercing the top skin layer. Intradermal Injections,Injection, Intradermal,Intradermal Injection
D008041 Linoleic Acids Eighteen-carbon essential fatty acids that contain two double bonds. Acids, Linoleic
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
D002634 Chemotaxis, Leukocyte The movement of leukocytes in response to a chemical concentration gradient or to products formed in an immunologic reaction. Leukotaxis,Leukocyte Chemotaxis
D005231 Fatty Acids, Unsaturated FATTY ACIDS in which the carbon chain contains one or more double or triple carbon-carbon bonds. Fatty Acids, Polyunsaturated,Polyunsaturated Fatty Acid,Unsaturated Fatty Acid,Polyunsaturated Fatty Acids,Acid, Polyunsaturated Fatty,Acid, Unsaturated Fatty,Acids, Polyunsaturated Fatty,Acids, Unsaturated Fatty,Fatty Acid, Polyunsaturated,Fatty Acid, Unsaturated,Unsaturated Fatty Acids
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001095 Arachidonic Acids Eicosatetraenoic Acids,Acids, Arachidonic,Acids, Eicosatetraenoic
D013229 Stearic Acids A group of compounds that are derivatives of octadecanoic acid which is one of the most abundant fatty acids found in animal lipids. (Stedman, 25th ed) Dihydrooleic Acids,Octadecanoic Acids,Tetrahydrolinoleic Acids,Acids, Dihydrooleic,Acids, Octadecanoic,Acids, Stearic,Acids, Tetrahydrolinoleic

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