ArticleJournal of neurochemistry2022
Cerebrospinal fluid purinomics as a biomarker approach to predict outcome after severe traumatic brain injury.
Article in Journal of neurochemistry, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
6 citing papers in PubMed, 10 citations in OpenAlex.
- Blockade of Presynaptic αNeurochemical research · 2026Article
- Hippocampal Bioenergetics and Metabolic Profiling Identifies Fatty Acid Oxidation as a Potential Therapeutic Target in Traumatic Brain Injury.Molecular neurobiology · 2026Article
- Adenosine ANeuropharmacology · 2025Article
- Targeting the adenosine AChinese journal of traumatology = Zhonghua chuang shang za zhi · 2024Review
- Review
- Lower and higher volumes of physical exercise build up brain reserves against memory deficits triggered by a head injury in mice.Experimental neurology · 2023Article
Corrections and comments
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Authors and funding
13 authors at 4 institutions in 2 countries.
Funding
Abstract
Severe traumatic brain injury (TBI) is associated with high rates of mortality and long-term disability linked to neurochemical abnormalities. Although purine derivatives play important roles in TBI pathogenesis in preclinical models, little is known about potential changes in purine levels and their implications in human TBI. We assessed cerebrospinal fluid (CSF) levels of purines in severe TBI patients as potential biomarkers that predict mortality and long-term dysfunction. This was a cross-sectional study performed in 17 severe TBI patients (Glasgow Coma Scale <8) and 51 controls. Two to 4 h after admission to ICU, patients were submitted to ventricular drainage and CSF collection for quantification of adenine and guanine purine derivatives by HPLC. TBI patients' survival was followed up to 3 days from admission. A neurofunctional assessment was performed through the modified Rankin Scale (mRS) 2 years after ICU admission. Purine levels were compared between control and TBI patients, and between surviving and non-surviving patients. Relative to controls, TBI patients presented increased CSF levels of GDP, guanosine, adenosine, inosine, hypoxanthine, and xanthine. Further, GTP, GDP, IMP, and xanthine levels were different between surviving and non-surviving patients. Among the purines, guanosine was associated with improved mRS (p = 0.042; r = -0.506). Remarkably, GTP displayed predictive value (AUC = 0.841, p = 0.024) for discriminating survival versus non-survival patients up to 3 days from admission. These results support TBI-specific purine signatures, suggesting GTP as a promising biomarker of mortality and guanosine as an indicator of long-term functional disability.
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Registered trials
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