ArticleJournal of neuroinflammation2025
Endothelial TREM-1 mediates sepsis-induced blood‒brain barrier disruption and cognitive impairment via the PI3K/Akt pathway.
Article in Journal of neuroinflammation, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.
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Who cites it
10 citing papers in PubMed, 1 synthesis or guideline pooled it.
- The core role of central nervous system in sepsis-related organ damage.Frontiers in immunology · 2025Pooled it
- Fecal Microbiota Transplantation from Exercise-Preconditioned Mice Attenuates Post-stroke Cognitive Impairment by Preserving Gut and Blood-Brain Barrier Integrity.Neurochemical research · 2026Article
- Hyperbaric oxygen therapy in sepsis-associated encephalopathy: pathophysiological rationale, preclinical evidence, and translational challenges.Frontiers in cellular neuroscience · 2026Review
- Gut microbiota dysbiosis in sepsis and sepsis-associated organ injury: mechanisms, gut-organ axes, and therapeutic strategies.Frontiers in microbiology · 2026Review
- Multi-omics profiling reveals microbiota-gut-brain axis dysregulation in an LPS-induced model of sepsis-associated encephalopathy.Frontiers in cellular and infection microbiology · 2026Article
- Ionizing radiation and Alzheimer's disease: epidemiology, mechanisms, and eCIRP-mediated tau pathology.Frontiers in immunology · 2026Review
- Yellow cerebrospinal fluid in an extremely preterm infant: a case report.Frontiers in cellular neuroscience · 2026Article
- TREM1 in sepsis-associated acute kidney injury: translational and mechanistic considerations.International journal of surgery (London, England) · 2025Article
- Association of serum levels of soluble triggering receptor expressed on myeloid cells-1 with endothelial dysfunction in patients with type 2 diabetes.Frontiers in clinical diabetes and healthcare · 2025Article
- Effects of prenatal iron deficiency on neurological development and related disorders in offspring.Frontiers in nutrition · 2025Review
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Authors and funding
9 authors.
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Abstract
The blood‒brain barrier (BBB) is a critical selective interface between the central nervous system (CNS) and the blood circulation. BBB dysfunction plays an important role in the neurological damage caused by sepsis. However, the mechanisms underlying the disruption of the BBB during sepsis remain unclear. We established a human induced pluripotent stem cell (iPSC)-derived BBB model and reported that treating with sepsis patient serum leads to structural and functional disruption of the BBB. In a cecal ligation and puncture (CLP)-induced mouse model of sepsis, we also observed disruption of the BBB, inflammation in the brain, and impairments in cognition. In both models, we found that the expression of TREM-1 was significantly increased in endothelial cells. TREM-1 knockout specifically in endothelial cells alleviated BBB dysfunction and cognitive impairments. Further study revealed that TREM-1 affects the expression of genes involved in the PI3K/Akt signaling pathway. The protective effects of TREM-1 inhibition on the BBB and cognition were abrogated by PI3K inhibitors. Our findings suggest that endothelial TREM-1 induces sepsis-induced BBB disruption and cognitive impairments via the PI3K/Akt signaling pathway. Targeting endothelial TREM-1 or the PI3K/Akt signaling pathway may be a promising strategy to maintain BBB integrity and improve cognitive function in sepsis patients.
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