ArticleNature communications2025
Brain-cervical lymph node crosstalk contributes to brain injury induced by subarachnoid hemorrhage in mice.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Sestrin2 Mitigates Neuronal Ferroptosis Following Subarachnoid Hemorrhage via Orchestration of the AMPK/PGC1α/Nrf2 Signaling Axis.CNS neuroscience & therapeutics · 2026Article
- The spinal lymphatic system: an emerging pathway bridging fluid homeostasis, immunity, and disease.Bone research · 2026Review
- Systemic inflammation response index as an independent predictor of unfavorable prognosis and its application in risk stratification in patients with aneurysmal subarachnoid hemorrhage.Frontiers in neuroscience · 2026Article
- Treg cells protect astrocytes from ferroptosis after subarachnoid hemorrhage by activating the HIF-1α/Hmox1 pathway.Frontiers in immunology · 2026Article
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Authors and funding
15 authors.
Funding
Abstract
Cross-talk between the brain and cervical lymph nodes (CLNs) is crucial in brain pathologies. However, the precise roles and the mechanisms of CLNs in brain damage during subarachnoid hemorrhage (SAH) remain unclear. In this study, mandibular lymph node (part of CLNs) removal attenuates brain damage in SAH mouse models. Notably, the extravasated erythrocytes following SAH are significantly engulfed by lymphatic endothelial cells (LECs) in CLNs. Single-cell RNA sequencing reveals that the differentially expressed genes in medullary LECs are enriched in lysosomes after SAH, with a notable upregulation of Ctss (which encodes cathepsin S). Importantly, the deficiency of cathepsin S specifically in LECs, achieved through transgenic mice, or the use of a cathepsin S inhibitor, significantly reduces neuroinflammation and neurological deficits induced by SAH. These findings elucidate mechanisms of how CLNs participate in brain injury following SAH in mice. Targeting this process may offer effective therapeutic strategies to alleviate SAH-related pathologies.
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Registered trials
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