期刊
PLACENTA
卷 26, 期 10, 页码 721-728出版社
W B SAUNDERS CO LTD
DOI: 10.1016/j.placenta.2004.10.005
关键词
LXR; placenta; lipid synthesis; hCG; SREBP-1; BeWo cells
Liver X receptors (LXR) alpha and are important regulators of lipid homeostasis in liver, adipose and other tissues. However, no such information is available for the human placenta. We determined expression of both LXR alpha and beta in placental trophoblast cell lines, BeWo and JAR. Exposure of BeWo cells to a synthetic LXR agonist, T0901317, resulted in an increase in the amount of mRNA of LXR target genes, sterol regulatory element-binding protein-1 and fatty acid synthase. T0901317 also increased the synthesis of lipids. Moreover, T0901317 resulted in a reduced secretion of hCG during differentiation of these cells. Our data for the first time demonstrate a new role for LXRs in the human placenta.
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