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Hellström S, Sajanti A, Srinath A, Bennett C, Girard R, Cao Y, Frantzén J, Koskimäki F, Falter J, Lyne SB, Rantamäki T, Takala R, Posti JP, Roine S, Puolitaival J, Jänkälä M, Kolehmainen S, Rahi M, Rinne J, Castrén E, Koskimäki J. Brain Plasticity Modulator p75 Neurotrophin Receptor in Human Urine after Different Acute Brain Injuries-A Prospective Cohort Study. Biomedicines 2024; 12:112. [PMID: 38255217 PMCID: PMC10813252 DOI: 10.3390/biomedicines12010112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 12/27/2023] [Accepted: 01/03/2024] [Indexed: 01/24/2024] Open
Abstract
Acute brain injuries (ABIs) pose a substantial global burden, demanding effective prognostic indicators for outcomes. This study explores the potential of urinary p75 neurotrophin receptor (p75NTR) concentration as a prognostic biomarker, particularly in relation to unfavorable outcomes. The study involved 46 ABI patients, comprising sub-cohorts of aneurysmal subarachnoid hemorrhage, ischemic stroke, and traumatic brain injury. Furthermore, we had four healthy controls. Samples were systematically collected from patients treated at the University Hospital of Turku between 2017 and 2019, at early (1.50 ± 0.70 days) and late (9.17 ± 3.40 days) post-admission time points. Urinary p75NTR levels, measured by ELISA and normalized to creatinine, were compared against patients' outcomes using the modified Rankin Scale (mRS). Early urine samples showed no significant p75NTR concentration difference between favorable and unfavorable mRS groups. In contrast, late samples exhibited a statistically significant increase in p75NTR concentrations in the unfavorable group (p = 0.033), demonstrating good prognostic accuracy (AUC = 70.9%, 95% CI = 53-89%, p = 0.03). Assessment of p75NTR concentration changes over time revealed no significant variation in the favorable group (p = 0.992) but a significant increase in the unfavorable group (p = 0.009). Moreover, p75NTR concentration was significantly higher in ABI patients (mean ± SD 40.49 ± 28.83-65.85 ± 35.04 ng/mg) compared to healthy controls (mean ± SD 0.54 ± 0.44 ng/mg), irrespective of sampling time or outcome (p < 0.0001). In conclusion, late urinary p75NTR concentrations emerged as a potential prognostic biomarker for ABIs, showing increased levels associated with unfavorable outcomes regardless of the specific type of brain injury. While early samples exhibited no significant differences, the observed late increases emphasize the time-dependent nature of this potential biomarker. Further validation in larger patient cohorts is crucial, highlighting the need for additional research to establish p75NTR as a reliable prognostic biomarker across various ABIs. Additionally, its potential role as a diagnostic biomarker warrants exploration.
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Affiliation(s)
- Santtu Hellström
- Department of Neurosurgery, Division of Clinical Neurosciences, Turku University Hospital, University of Turku, P.O. Box 52, Hämeentie 11, 20521 Turku, Finland
- Faculty of Medicine and Health Technology, Tampere University, 33520 Tampere, Finland
| | - Antti Sajanti
- Department of Neurosurgery, Division of Clinical Neurosciences, Turku University Hospital, University of Turku, P.O. Box 52, Hämeentie 11, 20521 Turku, Finland
| | - Abhinav Srinath
- Neurovascular Surgery Program, Section of Neurosurgery, The University of Chicago Medicine and Biological Sciences, 5841 S. Maryland, Chicago, IL 60637, USA (C.B.)
| | - Carolyn Bennett
- Neurovascular Surgery Program, Section of Neurosurgery, The University of Chicago Medicine and Biological Sciences, 5841 S. Maryland, Chicago, IL 60637, USA (C.B.)
| | - Romuald Girard
- Neurovascular Surgery Program, Section of Neurosurgery, The University of Chicago Medicine and Biological Sciences, 5841 S. Maryland, Chicago, IL 60637, USA (C.B.)
| | - Ying Cao
- Department of Radiation Oncology, Kansas University Medical Center, Kansas City, KS 66160, USA
| | - Janek Frantzén
- Department of Neurosurgery, Division of Clinical Neurosciences, Turku University Hospital, University of Turku, P.O. Box 52, Hämeentie 11, 20521 Turku, Finland
| | - Fredrika Koskimäki
- Neurocenter, Acute Stroke Unit, Turku University Hospital, P.O. Box 52, 20521 Turku, Finland
| | - Johannes Falter
- Department of Neurosurgery, University Medical Center of Regensburg, 93053 Regensburg, Germany
| | - Seán B. Lyne
- Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Tomi Rantamäki
- Laboratory of Neurotherapeutics, Molecular and Integrative Biosciences Research Programme, Faculty of Biological and Environmental Sciences and Drug Research Program, 00100 Helsinki, Finland
- Division of Pharmacology and Pharmacotherapy, Faculty of Pharmacy, University of Helsinki, 00100 Helsinki, Finland
| | - Riikka Takala
- Perioperative Services, Intensive Care and Pain Medicine, Turku University Hospital, University of Turku, P.O. Box 52, 20521 Turku, Finland
| | - Jussi P. Posti
- Department of Neurosurgery, Division of Clinical Neurosciences, Turku University Hospital, University of Turku, P.O. Box 52, Hämeentie 11, 20521 Turku, Finland
| | - Susanna Roine
- Neurocenter, Acute Stroke Unit, Turku University Hospital, P.O. Box 52, 20521 Turku, Finland
| | - Jukka Puolitaival
- Department of Neurosurgery, Oulu University Hospital, P.O. Box 25, 90029 Oulu, Finland
| | - Miro Jänkälä
- Department of Neurosurgery, Oulu University Hospital, P.O. Box 25, 90029 Oulu, Finland
| | - Sulo Kolehmainen
- Neuroscience Center, HiLIFE, University of Helsinki, P.O. Box 63, 00014 Helsinki, Finland
| | - Melissa Rahi
- Department of Neurosurgery, Division of Clinical Neurosciences, Turku University Hospital, University of Turku, P.O. Box 52, Hämeentie 11, 20521 Turku, Finland
| | - Jaakko Rinne
- Department of Neurosurgery, Division of Clinical Neurosciences, Turku University Hospital, University of Turku, P.O. Box 52, Hämeentie 11, 20521 Turku, Finland
| | - Eero Castrén
- Neuroscience Center, HiLIFE, University of Helsinki, P.O. Box 63, 00014 Helsinki, Finland
| | - Janne Koskimäki
- Department of Neurosurgery, Division of Clinical Neurosciences, Turku University Hospital, University of Turku, P.O. Box 52, Hämeentie 11, 20521 Turku, Finland
- Department of Neurosurgery, Oulu University Hospital, P.O. Box 25, 90029 Oulu, Finland
- Neuroscience Center, HiLIFE, University of Helsinki, P.O. Box 63, 00014 Helsinki, Finland
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