학술논문

Human autoinflammatory disease reveals ELF4 as a transcriptional regulator of inflammation
Document Type
Report
Source
Nature Immunology. September 2021, Vol. 22 Issue 9, p1118, 9 p.
Subject
United States
Language
English
ISSN
1529-2908
Abstract
Author(s): Paul M. Tyler [sup.1] , Molly L. Bucklin [sup.1] , Mengting Zhao [sup.1] , Timothy J. Maher [sup.1] , Andrew J. Rice [sup.1] , Weizhen Ji [sup.2] [sup.3] , [...]
Transcription factors specialized to limit the destructive potential of inflammatory immune cells remain ill-defined. We discovered loss-of-function variants in the X-linked ETS transcription factor gene ELF4 in multiple unrelated male patients with early onset mucosal autoinflammation and inflammatory bowel disease (IBD) characteristics, including fevers and ulcers that responded to interleukin-1 (IL-1), tumor necrosis factor or IL-12p40 blockade. Using cells from patients and newly generated mouse models, we uncovered ELF4-mutant macrophages having hyperinflammatory responses to a range of innate stimuli. In mouse macrophages, Elf4 both sustained the expression of anti-inflammatory genes, such as Il1rn, and limited the upregulation of inflammation amplifiers, including S100A8, Lcn2, Trem1 and neutrophil chemoattractants. Blockade of Trem1 reversed inflammation and intestine pathology after in vivo lipopolysaccharide challenge in mice carrying patient-derived variants in Elf4. Thus, ELF4 restrains inflammation and protects against mucosal disease, a discovery with broad translational relevance for human inflammatory disorders such as IBD. Lucas and colleagues describe loss-of-function variants in the X-linked ETS transcription factor ELF4 in multiple unrelated male patients with early onset mucosal autoinflammation and inflammatory bowel disease (IBD)-like features.