期刊
GENE
卷 470, 期 1-2, 页码 7-11出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.gene.2010.09.002
关键词
MBOAT5; Expression; Chicken; Lipogenesis; Promoter; LXRE
In this work we analyzed the transcriptome profiles of chicken hepatoma cells (LMH) in response to T0901317 a pharmacological agonist of the liver X receptor (LXR) Through an in silica search for LXRE (LXR response element) consensus sequences in the promoter of genes whose expression was shown to be sensitive to 10901317 we identified a LXRE in the promoter of the LPCAT3 (lysophosphandylcholine acyltransferase 3) This motif is highly conserved between species We further investigated the regulation of this gene and showed that the expression of LPCAT3 was induced both in chicken and human hepatoma cells (LMH and HuH-7 respectively) in response to T0901317 Transactivation and electrophoretic mobility shift assays allowed us to locate a functional IXRE in the chicken LPCAT3 promoter Altogether these data evidence for the first time that the chicken LPCAT3 gene is a direct target of LXR and therefore suggest a new role for LXR in phospholipid homeostasis (C) 2010 Elsevier BV All rights reserved
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