Liver X receptor alpha is a transcriptional repressor of the uncoupling protein 1 gene and the brown fat phenotype.
Wang H, Zhang Y, Yehuda-Shnaidman E, Medvedev AV, Kumar N, Daniel KW, Robidoux J, Czech MP, Mangelsdorf DJ, Collins S. Liver X receptor alpha is a transcriptional repressor of the uncoupling protein 1 gene and the brown fat phenotype. Mol Cell Biol. 2008 Apr; 28(7):2187-200.