Abstract:
:The molecular basis for the propensity of a small number of environmental proteins to provoke allergic responses is largely unknown. Herein, we report that mite group 13 allergens of the fatty acid-binding protein (FABP) family are sensed by an evolutionarily conserved acute-phase protein, serum amyloid A1 (SAA1), that promotes pulmonary type 2 immunity. Mechanistically, SAA1 interacted directly with allergenic mite FABPs (Der p 13 and Blo t 13). The interaction between mite FABPs and SAA1 activated the SAA1-binding receptor, formyl peptide receptor 2 (FPR2), which drove the epithelial release of the type-2-promoting cytokine interleukin (IL)-33 in a SAA1-dependent manner. Importantly, the SAA1-FPR2-IL-33 axis was upregulated in nasal epithelial cells from patients with chronic rhinosinusitis. These findings identify an unrecognized role for SAA1 as a soluble pattern recognition receptor for conserved FABPs found in common mite allergens that initiate type 2 immunity at mucosal surfaces.
journal_name
Nat Immunoljournal_title
Nature immunologyauthors
Smole U,Gour N,Phelan J,Hofer G,Köhler C,Kratzer B,Tauber PA,Xiao X,Yao N,Dvorak J,Caraballo L,Puerta L,Rosskopf S,Chakir J,Malle E,Lane AP,Pickl WF,Lajoie S,Wills-Karp Mdoi
10.1038/s41590-020-0698-1subject
Has Abstractpub_date
2020-07-01 00:00:00pages
756-765issue
7eissn
1529-2908issn
1529-2916pii
10.1038/s41590-020-0698-1journal_volume
21pub_type
杂志文章abstract::The molecular mechanisms underlying the differentiation of interleukin 17-producing T helper cells (T(H)-17 cells) are still poorly understood. Here we show that optimal transcription of the gene encoding interleukin 17 (Il17) required a 2-kilobase promoter and at least one conserved noncoding (enhancer) sequence, CNS...
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doi:10.1038/ni1265
更新日期:2005-12-01 00:00:00
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pub_type: 杂志文章,评审
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更新日期:2002-12-01 00:00:00
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pub_type: 已发布勘误
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更新日期:2019-05-01 00:00:00
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更新日期:2004-11-01 00:00:00
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更新日期:2010-05-01 00:00:00
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更新日期:2014-03-01 00:00:00
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