Antidiabetic phospholipid-nuclear receptor complex reveals the mechanism for phospholipid-driven gene regulation.
Antidiabetic phospholipid-nuclear receptor complex reveals the mechanism for phospholipid-driven gene regulation.
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DOI:
10.1038/nsmb.2279
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发表时间:
2012-04-15
影响因子:
16.8
通讯作者:
Ortlund, Eric A.
中科院分区:
文献类型:
--
作者:
Musille, Paul M.;Pathak, Manish C.;Lauer, Janelle L.;Hudson, William H.;Griffin, Patrick R.;Ortlund, Eric A.
The nuclear receptor Liver Receptor Homolog-1, LRH-1, plays an important role in controlling lipid and cholesterol homeostasis and is a potential target for treatment of diabetes and hepatic diseases. LRH-1 is known to bind phospholipids (PLs) but the role of PLs in controlling LRH-1 activation remains highly debated. Here we describe the structure of both apo LRH-1 and the protein in complex with the antidiabetic dilauroylphosphatidylcholine (DLPC). Our studies show that DLPC binding is a novel dynamic process that alters coregulator selectivity and that the lipid-free receptor interacts with widely expressed corepressors. These observations greatly enhance our understating of LRH-1 regulation and highlight its importance as a novel therapeutic target for controlling diabetes.
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