NR1H3, NRIP1 bind the PCK1 gene

Stable Identifier
Reaction [binding]
Homo sapiens
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Activation by synthetic ligands of liver X receptor (LXR) α (NR1H3) led to the suppression of gluconeogenesis in mouse hepatocytes by down-regulation of phosphoenolpyruvate carboxykinase (PCK1 or PEPCK) gene (Laffitte BA et al. 2003; Herzog B et al. 2007). Notably, both NR1H3 and NR1H2 have been shown to co-localize and interact with receptor-interacting protein 1 (NRIP1 or RIP140) (Jakobsson T et al. 2007; Herzog B et al. 2007). Indeed, depending on the gene, RIP140 can function both as a co-activator and co-repressor of NR1H2 or NR1H3. In the liver for instance, NRIP1 may activate NR1H3 (LXRα)-mediated transcription from lipogenic genes such as FASN and repress transcription of PCK1 gene to regulate metabolic pathways (Herzog B et al. 2007).

Literature References
PubMed ID Title Journal Year
17684114 The nuclear receptor cofactor, receptor-interacting protein 140, is required for the regulation of hepatic lipid and glucose metabolism by liver X receptor

Herzog, B, Hallberg, M, Seth, A, Woods, A, White, R, Parker, MG

Mol. Endocrinol. 2007
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