ArticleiScience2022
Structural basis of the IL-1 receptor TIR domain-mediated IL-1 signaling.
Article in iScience, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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Who cites it
7 citing papers in PubMed, 8 citations in OpenAlex.
- Orchestrating neuroinflammation: A symphony of Interleukin-1 and cell type-specific Interleukin-1 receptor type 1 signaling in the brain.Brain behavior and immunity integrative · 2026Article
- Nanomaterial-Based Strategies Targeting IL-1 Signalling in Inflammatory Bowel Disease: Therapeutic Applications and Mechanistic Insights.Journal of inflammation research · 2026Review
- Role of TLRs as signaling cascades to combat infectious diseases: a review.Cellular and molecular life sciences : CMLS · 2025Review
- Blockade of IL-1 family cytokines in the treatment of rheumatoid arthritis.Frontiers in pharmacology · 2025Review
- Structural and dynamic properties of IL1 receptors.Frontiers in immunology · 2025Review
- Review
- IL-18 biology in severe asthma.Frontiers in medicine · 2024Review
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The cytoplasmic Toll/interleukin-1 receptor (TIR) domains of IL-1 receptors (IL-1Rs) are evolutionally conserved and essential for transmitting signals. IL-1RAcP is a shared co-receptor in the IL-1R family for signaling. Its splicing form IL-1RAcPb contains a different TIR domain and is unable to transduce NF-κB signaling. Here, we determined crystal structures of TIR domains of IL-1RAcPb and other IL-1Rs including IL-18Rβ, IL-1RAPL2, and zebrafish SIGIRR (zSIGIRR). Structurally variant regions in the TIR domain important for signaling were revealed by structural comparisons. Taking advantage of the IL-1RAcP/IL-1RAcPb pair, we demonstrated that differential TIR domain determines signaling discrepancies between IL-1RAcP and IL-1RAcPb. We also proved the functional importance of two helices (αC and αD) in the structurally variable regions and pinpointed critical residues in αC and αD for signaling. These results collectively provide additional and important knowledge for fully understanding the molecular basis of IL-1R TIR domain in mediating signaling.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.