Abstract:
:High-density lipoprotein (HDL) mediates reverse cholesterol transport and is known to be protective against atherosclerosis. In addition, HDL has potent anti-inflammatory properties that may be critical for protection against other inflammatory diseases. The molecular mechanisms of how HDL can modulate inflammation, particularly in immune cells such as macrophages, remain poorly understood. Here we identify the transcriptional regulator ATF3, as an HDL-inducible target gene in macrophages that downregulates the expression of Toll-like receptor (TLR)-induced proinflammatory cytokines. The protective effects of HDL against TLR-induced inflammation were fully dependent on ATF3 in vitro and in vivo. Our findings may explain the broad anti-inflammatory and metabolic actions of HDL and provide the basis for predicting the success of new HDL-based therapies.
journal_name
Nat Immunoljournal_title
Nature immunologyauthors
De Nardo D,Labzin LI,Kono H,Seki R,Schmidt SV,Beyer M,Xu D,Zimmer S,Lahrmann C,Schildberg FA,Vogelhuber J,Kraut M,Ulas T,Kerksiek A,Krebs W,Bode N,Grebe A,Fitzgerald ML,Hernandez NJ,Williams BR,Knolle P,Kneillindoi
10.1038/ni.2784subject
Has Abstractpub_date
2014-02-01 00:00:00pages
152-60issue
2eissn
1529-2908issn
1529-2916pii
ni.2784journal_volume
15pub_type
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