Evidence map›Paper›PMID 42273685›Full record

ArticleFrontiers in immunology2026

ANXA2 promotes NLRP3 inflammasome activation and neuronal pyroptosis after intracerebral hemorrhage.

Qingyuan Wu, Yuetao Wen, Yiqing Shen, XiangYu Chen, WenSong Yang, Limin Ma, Peng Xie

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Article in Frontiers in immunology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Qingyuan Wu *National Health Commission NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
Yuetao Wen *Department of Neurosurgery, Chongqing University Jiangjin Hospital, Chongqing, China.
Yiqing ShenNational Health Commission NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
XiangYu ChenNational Health Commission NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
WenSong YangNational Health Commission NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
Limin MaDepartment of Geriatrics, Chongqing University Three Gorges Hospital, Chongqing, China.
Peng XieNational Health Commission NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Intracerebral hemorrhage (ICH) is a severe form of stroke lacking effective pharmacotherapy, in part because upstream regulators initiating secondary brain injury are not well understood. Pyroptosis mediated by activation of the NLRP3 inflammasome is a major contributor to neuronal death after ICH. However, the upstream mechanisms remain to be fully elucidated. Methods: We performed integrative transcriptomic-proteomic profiling of mouse ICH brain tissues with Results: Multi-omics and network analyses identified ANXA2 as a prominently upregulated hub protein after ICH. Co-immunoprecipitation demonstrated an association between ANXA2 and NLRP3, while ANXA2 silencing reduced NLRP3 inflammasome activation, decreased GSDMD cleavage and IL-1β/IL-18 secretion and significantly improved neurological function while alleviating brain injury. Conclusions: This study reveals a previously unrecognized ANXA2-NLRP3-pyroptosis pathway in ICH, revealing a neuronal-immune convergence mechanism in inflammasome regulation. These findings provide new insight into neuronal pyroptosis after ICH and underscore ANXA2 as a predominantly neuronal factor associated with inflammasome activation in hemorrhagic stroke.

Indexed as

Annexin A2Cerebral HemorrhageInflammasomesNeuronsNLR Family, Pyrin Domain-Containing 3 ProteinPyroptosisAnimalsDisease Models, AnimalMaleMiceMice, Inbred C57BLSignal TransductionAnnexin A2InflammasomesNLR Family, Pyrin Domain-Containing 3 ProteinNlrp3 protein, mouseAnxA2intracerebral hemorrhageneuroinflammationNLRP3 inflammasomepyroptosis

Identifiers

PMID42273685
PMCPMC13246372

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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.