Liver X Receptor Regulates Arachidonic Acid Distribution and Eicosanoid Release in Human Macrophages | Zendy

Minako Ishibashi | Zendy; Alexis Varin | Zendy; Rodolphe Filomenko | Zendy; Tatiana López | Zendy; Anne Athias | Zendy; Philippe Gambert | Zendy; Denis Blache | Zendy; Charles Thomas | Zendy; Thomas Gautier | Zendy; Laurent Lagrost | Zendy; David Masson | Zendy

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Liver X Receptor Regulates Arachidonic Acid Distribution and Eicosanoid Release in Human Macrophages

Author(s) -

Minako Ishibashi,

Alexis Varin,

Rodolphe Filomenko,

Tatiana López,

Anne Athias,

Philippe Gambert,

Denis Blache,

Charles Thomas,

Thomas Gautier,

Laurent Lagrost,

David Masson

Publication year - 2013

Publication title -

arteriosclerosis thrombosis and vascular biology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.007

H-Index - 270

eISSN - 1524-4636

pISSN - 1079-5642

DOI - 10.1161/atvbaha.112.300812

Subject(s) - eicosanoid , arachidonic acid , receptor , chemistry , distribution (mathematics) , microbiology and biotechnology , biochemistry , biology , enzyme , mathematical analysis , mathematics

Liver X receptors (LXRs) are oxysterol-activated nuclear receptors that are highly expressed in macrophages and regulate lipid homeostasis and inflammation. Among putative LXR target genes, lysophosphatidylcholine acyltransferase 3 (LPCAT3) involved in the Lands cycle controls the fatty acid composition at the sn-2 position of glycerophospholipids and, therefore, the availability of fatty acids, such as arachidonic acid (AA), used for eicosanoid synthesis. The aim of our study was to determine whether LXRs could regulate the Lands cycle in human macrophages, to assess the consequences in terms of lipid composition and inflammatory response, and to work out the relative contribution of LPCAT3 to the observed changes.

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