ArticleCellular & molecular immunology2025
Gut-derived macrophages link intestinal damage to brain injury after cardiac arrest through TREM1 signaling.
Article in Cellular & molecular immunology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Orally activatable membrane fusion-mitochondria hitchhiking on intestinal macrophages for targeted therapy of bacterial meningitis and neuroinflammation.Bioactive materials · 2027Article
- Multiple organ dysfunction syndrome: molecular mechanisms and therapeutic strategies.Signal transduction and targeted therapy · 2026Review
- Parabacteroides goldsteinii and its metabolite 7-KLCA attenuate endometriosis via TGR5 to reprogram macrophages by modulating the PPARγ/GPR132 axis.NPJ biofilms and microbiomes · 2026Article
- Efavirenz-Altered Gut-Microbiota,International journal of molecular sciences · 2026Article
- Neuroprotective Mechanisms of Hyperbaric Oxygen Therapy in Cerebral Ischemia-Hypoxia Injury Following Cardiopulmonary Resuscitation.International journal of medical sciences · 2026Review
- MFSD2A: a molecular nexus linking blood-brain barrier, lipid metabolism, and ischemia-reperfusion injury.Cellular & molecular biology letters · 2025Review
- Alternate-day fasting ameliorates α-synuclein pathology and suppresses inflammation via the gut-brain axis in an MPTP-induced subacute mouse model of Parkinson's disease.NPJ biofilms and microbiomes · 2025Article
- Interactions between the gut microbiota and immune cell dynamics: novel insights into the gut-bone axis.Gut microbes · 2025Review
- Cardiac arrest triggers IL-17-mediated neuroinflammation and astrocyte polarization: insights into pathogenesis and intervention.Journal of neuroinflammation · 2025Article
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Authors and funding
13 authors.
Funding
Abstract
Brain injury is the leading cause of death and disability in survivors of cardiac arrest, where neuroinflammation triggered by infiltrating macrophages plays a pivotal role. Here, we seek to elucidate the origin of macrophages infiltrating the brain and their mechanism of action after cardiac arrest/cardiopulmonary resuscitation (CA/CPR). Wild-type or photoconvertible Cd68-Cre:R26-LSL-KikGR mice were subjected to 10-min CA/CPR, and the migration of gut-derived macrophages into brain was assessed. Transcriptome sequencing was performed to identify the key proinflammatory signal of macrophages infiltrating the brain, triggering receptor expressed on myeloid cells 1 (TREM1). Upon drug intervention, the effects of TREM1 on post-CA/CPR brain injury were further evaluated. 16S rRNA sequencing was used to detect gut dysbiosis after CA/CPR. Through photoconversion experiments, we found that small intestine-derived macrophages infiltrated the brain and played a crucial role in triggering secondary brain injury after CA/CPR. The infiltrating peripheral macrophages showed upregulated TREM1 levels, and we further revealed the crucial role of gut-derived TREM1
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