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Title: The structural basis for receptor recognition of human interleukin-18

Journal Article · · Nature Communications
DOI:https://doi.org/10.1038/ncomms6340· OSTI ID:1221149
 [1];  [2];  [3];  [1];  [2];  [2];  [4];  [5];  [6];  [2];  [7];  [1];  [2]
  1. Kyoto Univ., Kyoto (Japan)
  2. Gifu Univ., Yanagido (Japan)
  3. Yokohama City Univ., Kanagawa (Japan)
  4. Argonne National Lab. (ANL), Argonne, IL (United States)
  5. Hokkaido Univ., Sapporo (Japan)
  6. Shizuoka Univ., Shizuoka (Japan)
  7. Kyoto Univ., Kyoto (Japan); Japan Sciences and Technology Agency, Tokyo (Japan)

Interleukin (IL)-18 is a proinflammatory cytokine that belongs to the IL-1 family and plays an important role in inflammation. The uncontrolled release of this cytokine is associated with severe chronic inflammatory disease. IL-18 forms a signalling complex with the IL-18 receptor α (Rα) and β (Rβ) chains at the plasma membrane, which induces multiple inflammatory cytokines. Here, we present a crystal structure of human IL-18 bound to the two receptor extracellular domains. Generally, the receptors’ recognition mode for IL-18 is similar to IL-1β ; however, certain notable differences were observed. The architecture of the IL-18 receptor second domain (D2) is unique among the other IL-1R family members, which presumably distinguishes them from the IL-1 receptors that exhibit a more promiscuous ligand recognition mode. Furthermore, the structures and associated biochemical and cellular data should aid in developing novel drugs to neutralize IL-18 activity.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1221149
Alternate ID(s):
OSTI ID: 1241361
Journal Information:
Nature Communications, Vol. 5; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 78 works
Citation information provided by
Web of Science

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Cited By (21)

IL‐37: An anti‐inflammatory cytokine with antitumor functions journal November 2018
Suppression of innate inflammation and immunity by interleukin-37: Highlights journal May 2016
Protein modeling, molecular network and molecular dynamics study of newly sequenced interleukin‐18 (IL‐18) gene in Mus musculus journal December 2018
Labeling IL-18 with alkaloids: toward the use of cytokines as carrier molecules in chemotherapy journal July 2019
A comprehensive pathway map of IL-18-mediated signalling journal December 2019
Mechanisms of immunomodulation by mammalian and viral decoy receptors: insights from structures journal December 2016
The IL-1 family of cytokines and receptors in rheumatic diseases journal September 2019
An innate interaction between IL-18 and the propeptide that inactivates its precursor form journal April 2019
Small Molecule IL-36γ Antagonist as a Novel Therapeutic Approach for Plaque Psoriasis journal June 2019
Interleukin-37 monomer is the active form for reducing innate immunity journal February 2019
Suppression of inflammation and acquired immunity by IL-37 journal December 2017
The family of the interleukin-1 receptors journal December 2017
Overview of the IL-1 family in innate inflammation and acquired immunity journal December 2017
Homodimerization attenuates the anti-inflammatory activity of interleukin-37 journal February 2017
Structural Basis of IL-1 Family Cytokine Signaling journal June 2019
Interleukin-18 in Health and Disease journal February 2019
Identification of small molecule inhibitors of Interleukin-18 journal March 2017
Divergent responses to thermogenic stimuli in BAT and subcutaneous adipose tissue from interleukin 18 and interleukin 18 receptor 1-deficient mice journal December 2015
Role of inflammasomes in the pathogenesis of periodontal disease and therapeutics journal December 2019
The potential of interleukin-37 as an effective therapeutic agent in asthma journal November 2017
Immunologic Function and Molecular Insight of Recombinant Interleukin-18 journal August 2016

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