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Liver X receptor alpha (LXR alpha), a NR1 Thyroid Hormone-Like Receptor, has been shown to affect the transport and catabolism of cholesterol as well as fatty acid metabolism. LXR alpha also appears to be an important insulin mediating factor in the regulation of lipogenesis. LXR alpha is known to be activated by oxysterols and to regulate a wide range of genes, including members of the ATP-binding cassette (ABC) superfamily of transporter proteins (ABCA1 and ABCG1), surface constituents of plasma lipoproteins like apolipoprotein E, and cholesterol ester transport protein. The induced expression of LXR alpha may be related to foam-cell formation in atherosclerotic lesions. As a result, LXR alpha has been suggested as a potential therapeutic target for treating atherosclerosis. LXR alpha forms a heterodimer with RXR alpha and binds the DR4-type cis-element. Recently LXR alpha has been shown to act as a cAMP-responsive nuclear modulator of renin and c-myc expression, suggesting a possible involvement of LXR alpha in the cardiovascular system and in general gene transcription.
Gene Name: | nuclear receptor subfamily 1, group H, member 3 |
Family/Subfamily: | NHR , NR1 Thyroid hormone-like |
Synonyms: | NR1H3, Liver X receptor alpha, LXRA, LXR-a, Oxysterols receptor LXR-alpha, LXR alpha, Lxralpha, RLD-1 |
Target Sequences: | NM_005693 NP_005684.2 Q13133 |
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