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April 3, 2026Cell ReportsOpen Access

4-octyl itaconate inhibits cytokine-mediated inflammation via alkylation of TYK2 and JAK1

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Authors

WLWeizhen LiQZQiong ZhangSJSongqi Jing

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Overview

This research demonstrates how 4-octyl itaconate reduces inflammation in sepsis, suggesting a new treatment strategy.

Key Points

  • This work aims to explore how 4-octyl itaconate reduces inflammation through its effects on key signaling proteins.
  • Examined the effects of 4-octyl itaconate on JAK-STAT signal transduction.
  • Investigated the alkylation of TYK2 and JAK1 by 4-octyl itaconate.
  • Utilized biochemical assays to assess binding interactions with type I interferon receptors.
  • 4-octyl itaconate significantly inhibits the JAK-STAT signaling pathway.
  • Alkylation of cysteine residues in TYK2 and JAK1 disrupts their interactions with type I interferon receptors.
  • Identification of itaconate's role connects metabolism with innate immune responses.

Cite This Study

Li et al. (2026) studied this question.

synapsesocial.com/papers/69cf58285a333a82146095fchttps://doi.org/10.1016/j.celrep.2026.117179
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