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DNase Treatment Pre...
DNase Treatment Prevents Cerebrospinal Fluid Block in Early Experimental Pneumococcal Meningitis
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- Pavan, Chiara (författare)
- University of Copenhagen
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- L. R. Xavier, Anna (författare)
- University of Copenhagen
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- Ramos, Marta (författare)
- Lund University,Lunds universitet,Glia-Immune Interactions,Forskargrupper vid Lunds universitet,WCMM- Wallenberg center för molekylär medicinsk forskning,Medicinska fakulteten,Lund University Research Groups,WCMM-Wallenberg Centre for Molecular Medicine,Faculty of Medicine
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- Fisher, Jane (författare)
- Lund University,Lunds universitet,Infektionsmedicin,Sektion III,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Infection Medicine (BMC),Section III,Department of Clinical Sciences, Lund,Faculty of Medicine
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- Kritsilis, Marios (författare)
- Lund University,Lunds universitet,Glia-Immune Interactions,Forskargrupper vid Lunds universitet,WCMM- Wallenberg center för molekylär medicinsk forskning,Medicinska fakulteten,Lund University Research Groups,WCMM-Wallenberg Centre for Molecular Medicine,Faculty of Medicine
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- Linder, Adam (författare)
- Lund University,Lunds universitet,Infektionsmedicin,Sektion III,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Infection Medicine (BMC),Section III,Department of Clinical Sciences, Lund,Faculty of Medicine
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- Bentzer, Peter (författare)
- Lund University,Lunds universitet,Anestesiologi och intensivvård,Sektion II,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Klinisk forskning inom anestesi och intensivvårdsmedicin,Forskargrupper vid Lunds universitet,Anesthesiology and Intensive Care,Section II,Department of Clinical Sciences, Lund,Faculty of Medicine,Clinical Research in Anaesthesia and Intensive Care Medicine,Lund University Research Groups,Helsingborg Hospital
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- Nedergaard, Maiken (författare)
- University of Copenhagen,University of Rochester
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- Lundgaard, Iben (författare)
- Lund University,Lunds universitet,Glia-Immune Interactions,Forskargrupper vid Lunds universitet,WCMM- Wallenberg center för molekylär medicinsk forskning,Medicinska fakulteten,Lund University Research Groups,WCMM-Wallenberg Centre for Molecular Medicine,Faculty of Medicine
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(creator_code:org_t)
- 2021-08-23
- 2021
- Engelska.
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Ingår i: Annals of Neurology. - : Wiley. - 0364-5134 .- 1531-8249. ; 90:4, s. 653-669
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Abstract
Ämnesord
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- Objective: Streptococcus pneumoniae is the most common cause of bacterial meningitis, a disease that, despite treatment with antibiotics, still is associated with high mortality and morbidity worldwide. Diffuse brain swelling is a leading cause of morbidity in S pneumoniae meningitis. We hypothesized that neutrophil extracellular traps (NETs) disrupt cerebrospinal fluid (CSF) transport by the glymphatic system and contribute to edema formation in S pneumoniae meningitis. Methods: We used DNase I treatment to disrupt NETs and then assessed glymphatic function by cisterna magna injections of CSF tracers in a rat model of S pneumoniae meningitis. Results: Our analysis showed that CSF influx into the brain parenchyma, as well as CSF drainage to the cervical lymph nodes, was significantly reduced in the rat model of S pneumoniae meningitis. Degrading NETs by DNase treatment restored glymphatic transport and eliminated the increase in brain weight in the rats. In contrast, first-line antibiotic treatment had no such effect on restoring fluid dynamics. Interpretation: This study suggests that CSF accumulation is responsible for cerebral edema formation and identifies the glymphatic system and NETs as possible new treatment targets in S pneumoniae meningitis. ANN NEUROL 2021.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Infektionsmedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Infectious Medicine (hsv//eng)
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- art (ämneskategori)
- ref (ämneskategori)
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