Significance and immunoassay of 9- and 13-hydroxyoctadecadienoic acids. 1996

S A Spindler, and K S Clark, and D M Callewaert, and R G Reddy
Oxford Biomedical Research Inc, Rochester Hills, MI 48309, USA.

Linoleic acid, the predominant polyunsaturated fatty acid in the diet, can be metabolized by cyclooxygenase, lipoxygenase and P450 enzymes. The monohydroxy lipoxygenation products of linoleic acid, 9- and 13-hydroxyoctadecadienoic acids (9(S)- and 13(S)-HODEs), are the most widely distributed of the known linoleic acid metabolites. These compounds exhibit interesting biological activities, including regulation of platelet function, maintenance of vascular thromboresistance and transduction of the cellular responses to certain growth factors. In view of their biological significance, we have produced polyclonal antibodies for the first time to these bioactive lipids to develop an easy, inexpensive, sensitive, specific and rapid enzyme immunoassay method for these bioactive lipids.

UI MeSH Term Description Entries
D008041 Linoleic Acids Eighteen-carbon essential fatty acids that contain two double bonds. Acids, Linoleic
D003429 Cross Reactions Serological reactions in which an antiserum against one antigen reacts with a non-identical but closely related antigen. Cross Reaction,Reaction, Cross,Reactions, Cross
D004797 Enzyme-Linked Immunosorbent Assay An immunoassay utilizing an antibody labeled with an enzyme marker such as horseradish peroxidase. While either the enzyme or the antibody is bound to an immunosorbent substrate, they both retain their biologic activity; the change in enzyme activity as a result of the enzyme-antibody-antigen reaction is proportional to the concentration of the antigen and can be measured spectrophotometrically or with the naked eye. Many variations of the method have been developed. ELISA,Assay, Enzyme-Linked Immunosorbent,Assays, Enzyme-Linked Immunosorbent,Enzyme Linked Immunosorbent Assay,Enzyme-Linked Immunosorbent Assays,Immunosorbent Assay, Enzyme-Linked,Immunosorbent Assays, Enzyme-Linked
D006041 Goats Any of numerous agile, hollow-horned RUMINANTS of the genus Capra, in the family Bovidae, closely related to the SHEEP. Capra,Capras,Goat
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000906 Antibodies Immunoglobulin molecules having a specific amino acid sequence by virtue of which they interact only with the ANTIGEN (or a very similar shape) that induced their synthesis in cells of the lymphoid series (especially PLASMA CELLS).
D012680 Sensitivity and Specificity Binary classification measures to assess test results. Sensitivity or recall rate is the proportion of true positives. Specificity is the probability of correctly determining the absence of a condition. (From Last, Dictionary of Epidemiology, 2d ed) Specificity,Sensitivity,Specificity and Sensitivity
D044243 Linoleic Acids, Conjugated A collective term for a group of around nine geometric and positional isomers of LINOLEIC ACID in which the trans/cis double bonds are conjugated, where double bonds alternate with single bonds. Conjugated Linoleic Acid,Conjugated Linoleic Acid (CLA),Acid, Conjugated Linoleic,Acids, Conjugated Linoleic,Conjugated Linoleic Acids,Linoleic Acid, Conjugated

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