Evidence map›Paper›PMID 41015557›Full record

ArticleZhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences2025

[Itaconic acid alleviates macrophage PANoptosis in sepsis

Mengrui Chen, Xiaohua Tan, Wenjing Zhong, Hanxi Sha, Liying Liang, Shaokun Liu

Abstract readEnglish Abstract
In one paragraph

Article in Zhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

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2 · The registry

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3 · Its place in the literature

Who cites it

2 citing papers in PubMed.

  1. Itaconate metabolism in regulated cell death.Molecular and cellular biochemistry · 2026
    Review
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4 · The record

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PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Mengrui ChenDepartment of Physiology, Xiangya School of Basic Medicine Science, Central South University, Changsha 410013. chenmr01@163.com.
Xiaohua TanExperimental Center of Medical Morphology, Xiangya School of Basic Medical Science, Central South University, Changsha 410013. tanxiaohua@csu.edu.cn.
Wenjing ZhongDepartment of Physiology, Xiangya School of Basic Medicine Science, Central South University, Changsha 410013.
Hanxi ShaDepartment of Physiology, Xiangya School of Basic Medicine Science, Central South University, Changsha 410013.
Liying LiangDepartment of Physiology, Xiangya School of Basic Medicine Science, Central South University, Changsha 410013.
Shaokun LiuDepartment of Pulmonary and Critical Care Medicine, Second Xiangya Hospital, Central South University, Changsha 410011. shaokunliu228@csu.edu.cn.

Funding

Scientific Research Project of Health Commission of Hunan Province B202303028704the Natural Science Foundation of Hunan Province 2023JJ30768
6 · The paper itself

Abstract

objectivesSepsis-associated acute lung injury (S-ALI) is one of the major causes of death in intensive care unit (ICU) patients, yet its mechanisms remain incompletely understood and effective therapies are lacking. Lytic cell death of macrophages is a key driver of the inflammatory cascade in S-ALI. PANoptosis, a newly recognized form of lytic cell death characterized by PANoptosome assembly and activation, involves plasma membrane rupture (PMR) mediated by ninjurin-1 (NINJ1), a recently identified pore-forming protein. Itaconic acid is known for its anti-inflammatory effects, but its role in macrophage PANoptosis during S-ALI is unclear. This study aims to investigate the protective effect of itaconic acid on macrophage PANoptosis in S-ALI to provide new therapeutic insights.

methodsMale specific-pathogen-free C57BL/6J mice (6-8 weeks, 18-20 g) received intraperitoneal lipopolysaccharide (LPS) to establish a classical S-ALI model. Western blotting was used to assess PANoptosome-related proteins and enzymes involved in the itaconic acid metabolic pathway, while real-time reverse transcription polymerase chain reaction and metabolomics quantified itaconic acid levels. Primary peritoneal macrophages (PMs) were pretreated with the itaconate derivative 4-octyl itaconate (4-OI) and then exposed to tumor necrosis factor alpha (TNF-α) plus interferon gamma (IFN-γ) to induce PANoptosis. Cell viability was evaluated by cell counting kit-8 (CCK-8) assay. Western blotting was employed to quantify enzymes of the itaconate-metabolic pathway in PANoptotic macrophages, to evaluate the impact of 4-OI on PANoptosome-associated proteins, and to determine NINJ1 abundance in lung tissues from S-ALI mice and in PANoptotic macrophages. Fluorescent dye FM

resultsIn S-ALI mouse lungs, PANoptosome components [NOD-like receptor thermal protein domain associated protein 3 (NLRP3), Gasdermin D (GSDMD), Caspase-1, Z-DNA binding protein (ZBP1), and Caspase-3] and phosphorylated mixed lineage kinase domain-like protein (MLKL) S345 were significantly upregulated (all

conclusionsItaconic acid may alleviate macrophage PANoptosis in S-ALI by inhibiting NINJ1-mediated plasma membrane rupture. Targeting NINJ1 or enhancing itaconate pathways may offer a novel therapeutic strategy for S-ALI.

Indexed as

Acute Lung InjuryCell MembraneMacrophagesSepsisSuccinatesAnimalsHydro-LyasesLipopolysaccharidesMaleMiceMice, Inbred C57BLAcod1 protein, mouseHydro-Lyasesitaconic acidLipopolysaccharidesSuccinatesitaconic acidmacrophagesninjurin-1PANoptosisplasma membrane rupturesepsis-associated acute lung injury

Identifiers

PMID41015557
PMCPMC12464917

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