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Rahmig J, Chanpura A, Schultz A, Barone FC, Gustafson D, Baird AE. Blood-based protein biomarkers during the acute ischemic stroke treatment window: a systematic review. Front Neurol 2024; 15:1411307. [PMID: 39091977 PMCID: PMC11291248 DOI: 10.3389/fneur.2024.1411307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Accepted: 07/04/2024] [Indexed: 08/04/2024] Open
Abstract
Background Rapid and accurate acute ischemic stroke (AIS) diagnosis is needed to expedite emergent thrombolytic and mechanical thrombectomy treatment. Changes in blood-based protein biomarkers during the first 24 h of AIS, the time window for treatment, could complement imaging techniques and facilitate rapid diagnosis and treatment. Methods We performed a systematic review according to PRISMA guidelines. MEDLINE, EMBASE, Cochrane Library, and Web of Science databases were searched for eligible studies comparing levels of blood-based protein biomarkers in AIS patients with levels in healthy controls and stroke mimics. Protein biomarkers from the following pathophysiological categories were included: neurovascular inflammation (MMP-9, TNF-alpha), endothelial integrity (VCAM-1, ICAM-1), cell migration (E-Selectin, P-Selectin, L-Selectin), markers of glial and neuronal origin (GFAP, S100, S100B, NSE), and cardiac dysfunction (BNP, NT-proBNP). The literature search was limited to English-language publications before November 7th, 2023. Results A total of 61 studies from 20 different countries were identified, which included in total, 4,644 AIS patients, 2,242 stroke mimics, and 2,777 controls. Studies investigating TNF-alpha, MMP-9, VCAM-1, ICAM-1, E-Selectin, L-Selectin, GFAP, NSE, and S100B showed pronounced methodological heterogeneity, making between-study comparisons difficult. However, in 80% of NT-proBNP and BNP studies, and all P-selectin studies, higher biomarker levels were observed in AIS patients compared to healthy controls and/or patients with stroke mimics. Conclusion None of the biomarkers included showed sufficient evidence for additional diagnostic benefit for AIS. Comprehensive standardized global multicenter studies are needed to (1) permit comparability, (2) enable valid statements about protein-based biomarkers, and (3) reflect real-world scenarios.
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Affiliation(s)
- Jan Rahmig
- Department of Neurology, State University of New York Downstate Health Sciences University, Brooklyn, NY, United States
- Department of Neurology, University Hospital Carl Gustav Carus, Technical University Dresden, Dresden, Germany
| | - Aditya Chanpura
- Department of Neurology, State University of New York Downstate Health Sciences University, Brooklyn, NY, United States
| | - Aaliyah Schultz
- Department of Neurology, State University of New York Downstate Health Sciences University, Brooklyn, NY, United States
| | - Frank C. Barone
- Department of Neurology, State University of New York Downstate Health Sciences University, Brooklyn, NY, United States
| | - Deborah Gustafson
- Department of Neurology, State University of New York Downstate Health Sciences University, Brooklyn, NY, United States
| | - Alison E. Baird
- Department of Neurology, State University of New York Downstate Health Sciences University, Brooklyn, NY, United States
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Karimova D, Rostami E, Chubarev VN, Tarasov VV, Schiöth HB, Rask-Andersen M. Advances in development of biomarkers for brain damage and ischemia. Mol Biol Rep 2024; 51:803. [PMID: 39001884 PMCID: PMC11246271 DOI: 10.1007/s11033-024-09708-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Accepted: 06/06/2024] [Indexed: 07/15/2024]
Abstract
Acquired brain injury is an urgent situation that requires rapid diagnosis and treatment. Magnetic resonance imaging (MRI) and computed tomography (CT) are required for accurate diagnosis. However, these methods are costly and require substantial infrastructure and specialized staff. Circulatory biomarkers of acute brain injury may help in the management of patients with acute cerebrovascular events and prevent poor outcome and mortality. The purpose of this review is to provide an overview of the development of potential biomarkers of brain damage to increase diagnostic possibilities. For this purpose, we searched the PubMed database of studies on the diagnostic potential of brain injury biomarkers. We also accessed information from Clinicaltrials.gov to identify any clinical trials of biomarker measurements for the diagnosis of brain damage. In total, we present 41 proteins, enzymes and hormones that have been considered as biomarkers for brain injury, of which 20 have been studied in clinical trials. Several microRNAs have also emerged as potential clinical biomarkers for early diagnosis. Combining multiple biomarkers in a panel, along with other parameters, is yielding promising outcomes.
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Affiliation(s)
- Diana Karimova
- Functional Pharmacology and Neuroscience, Department of Surgical Sciences, Uppsala, University, Uppsala, Sweden
| | - Elham Rostami
- Department of Medical Sciences, Section of Neurosurgery, Uppsala University, Uppsala, Sweden
| | - Vladimir N Chubarev
- Advanced Molecular Technology, Limited Liable Company (LLC), Moscow, 354340, Russia
| | - Vadim V Tarasov
- Advanced Molecular Technology, Limited Liable Company (LLC), Moscow, 354340, Russia
| | - Helgi B Schiöth
- Functional Pharmacology and Neuroscience, Department of Surgical Sciences, Uppsala, University, Uppsala, Sweden
| | - Mathias Rask-Andersen
- Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala University, Uppsala, Sweden.
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Kobeissy F, Arja RD, Munoz JC, Shear DA, Gilsdorf J, Zhu J, Yadikar H, Haskins W, Tyndall JA, Wang KK. The game changer: UCH-L1 and GFAP-based blood test as the first marketed in vitro diagnostic test for mild traumatic brain injury. Expert Rev Mol Diagn 2024; 24:67-77. [PMID: 38275158 DOI: 10.1080/14737159.2024.2306876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 12/15/2023] [Indexed: 01/27/2024]
Abstract
INTRODUCTION Major organ-based in vitro diagnostic (IVD) tests like ALT/AST for the liver and cardiac troponins for the heart are established, but an approved IVD blood test for the brain has been missing, highlighting a gap in medical diagnostics. AREAS COVERED In response to this need, Abbott Diagnostics secured FDA clearance in 2021 for the i-STAT Alinity™, a point-of-care plasma blood test for mild traumatic brain injury (TBI). BioMerieux VIDAS, also approved in Europe, utilizes two brain-derived protein biomarkers: neuronal ubiquitin C-terminal hydrolase-L1 (UCH-L1) and glial fibrillary acidic protein (GFAP). These biomarkers, which are typically present in minimal amounts in healthy individuals, are instrumental in diagnosing mild TBI with potential brain lesions. The study explores how UCH-L1 and GFAP levels increase significantly in the bloodstream following traumatic brain injury, aiding in early and accurate diagnosis. EXPERT OPINION The introduction of the i-STAT Alinity™ and the Biomerieux VIDAS TBI blood tests mark a groundbreaking development in TBI diagnosis. It paves the way for the integration of TBI biomarker tools into clinical practice and therapeutic trials, enhancing the precision medicine approach by generating valuable data. This advancement is a critical step in addressing the long-standing gap in brain-related diagnostics and promises to revolutionize the management and treatment of mild TBI.
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Affiliation(s)
- Firas Kobeissy
- Program for Neurotrauma, Neuroproteomics & Biomarker Research, Neorobiology, Morehouse School of Medicine, Atlanta, GA, USA
| | - Rawad Daniel Arja
- Program for Neurotrauma, Neuroproteomics & Biomarker Research, Neorobiology, Morehouse School of Medicine, Atlanta, GA, USA
| | - Jennifer C Munoz
- Department of Pediatric Critical Care, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Deborah A Shear
- Brain Trauma Neuroprotection & Neurorestoration (BTNN) Branch, Center for Military Psychiatry and Neuroscience, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Janice Gilsdorf
- Brain Trauma Neuroprotection & Neurorestoration (BTNN) Branch, Center for Military Psychiatry and Neuroscience, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Jiepei Zhu
- Program for Neurotrauma, Neuroproteomics & Biomarker Research, Neorobiology, Morehouse School of Medicine, Atlanta, GA, USA
| | - Hamad Yadikar
- Program for Neurotrauma, Neuroproteomics & Biomarker Research, Neorobiology, Morehouse School of Medicine, Atlanta, GA, USA
- Department of Biological Sciences, Kuwait University, Safat, Kuwait
| | | | | | - Kevin K Wang
- Program for Neurotrauma, Neuroproteomics & Biomarker Research, Neorobiology, Morehouse School of Medicine, Atlanta, GA, USA
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Datta D, Gopinadhan A, Soto A, Bangirana P, Opoka RO, Conroy AL, Saykin AJ, Kawata K, John CC. Blood biomarkers of neuronal injury in paediatric cerebral malaria and severe malarial anaemia. Brain Commun 2023; 5:fcad323. [PMID: 38075948 PMCID: PMC10710298 DOI: 10.1093/braincomms/fcad323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 10/04/2023] [Accepted: 11/25/2023] [Indexed: 02/12/2024] Open
Abstract
Persistent neurodisability is a known complication in paediatric survivors of cerebral malaria and severe malarial anaemia. Tau, ubiquitin C-terminal hydrolase-L1, neurofilament-light chain, and glial fibrillary acidic protein have proven utility as biomarkers that predict adverse neurologic outcomes in adult and paediatric disorders. In paediatric severe malaria, elevated tau is associated with mortality and neurocognitive complications. We aimed to investigate whether a multi-analyte panel including ubiquitin C-terminal hydrolase-L1, neurofilament-light chain, and glial fibrillary acidic protein can serve as biomarkers of brain injury associated with mortality and neurodisability in cerebral malaria and severe malarial anaemia. In a prospective cohort study of Ugandan children, 18 months to 12 years of age with cerebral malaria (n = 182), severe malarial anaemia (n = 158), and asymptomatic community children (n = 118), we measured admission blood levels of ubiquitin C-terminal hydrolase-L1, neurofilament-light chain, and glial fibrillary acidic protein. We investigated differences in biomarker levels, associations with mortality, blood-brain barrier integrity, neurodeficits and cognitive Z-scores in survivors up to 24-month follow-up. Admission ubiquitin C-terminal hydrolase-L1 levels were elevated >95th percentile of community children in 71 and 51%, and neurofilament-light chain levels were elevated >95th percentile of community children in 40 and 37% of children with cerebral malaria and severe malarial anaemia, respectively. Glial fibrillary acidic protein was not elevated in disease groups compared with controls. In cerebral malaria, elevated neurofilament-light chain was observed in 16 children who died in hospital compared with 166 survivors (P = 0.01); elevations in ubiquitin C-terminal hydrolase-L1 levels were associated with degree of blood-brain barrier disruption (P = 0.01); and the % predictive value for neurodeficits over follow-up (discharge, 6-, 12-, and 24 months) increased for ubiquitin C-terminal hydrolase-L1 (60, 67, 72, and 83), but not neurofilament-light chain (65, 68, 60, and 67). In cerebral malaria, elevated ubiquitin C-terminal hydrolase-L1 was associated with worse memory scores in children <5 years at malaria episode who crossed to over 5 years old during follow-up cognitive testing [β -1.13 (95% confidence interval -2.05, -0.21), P = 0.02], and elevated neurofilament-light chain was associated with worse attention in children ≥5 years at malaria episode and cognitive testing [β -1.08 (95% confidence interval -2.05, -1.05), P = 0.03]. In severe malarial anaemia, elevated ubiquitin C-terminal hydrolase-L1 was associated with worse attention in children <5 years at malaria episode and cognitive testing [β -0.42 (95% confidence interval -0.76, -0.07), P = 0.02]. Ubiquitin C-terminal hydrolase-L1 and neurofilament-light chain levels are elevated in paediatric cerebral malaria and severe malarial anaemia. In cerebral malaria, elevated neurofilament-light chain is associated with mortality whereas elevated ubiquitin C-terminal hydrolase-L1 is associated with blood-brain barrier dysfunction and neurodeficits over follow-up. In cerebral malaria, both markers are associated with worse cognition, while in severe malarial anaemia, only ubiquitin C-terminal hydrolase-L1 is associated with worse cognition.
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Affiliation(s)
- Dibyadyuti Datta
- Ryan White Center for Pediatric Infectious Disease and Global Health, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Adnan Gopinadhan
- Ryan White Center for Pediatric Infectious Disease and Global Health, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Alejandro Soto
- Ryan White Center for Pediatric Infectious Disease and Global Health, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Paul Bangirana
- Department of Psychiatry, Makerere University College of Health Sciences, P.O. Box 7072, Kampala, Uganda
- Global Health Uganda, P.O. Box 33842, Kampala, Uganda
| | - Robert O Opoka
- Global Health Uganda, P.O. Box 33842, Kampala, Uganda
- Aga Khan University Medical College, P.O. Box 30270, Nairobi, Kenya
| | - Andrea L Conroy
- Ryan White Center for Pediatric Infectious Disease and Global Health, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Andrew J Saykin
- Indiana Alzheimer’s Disease Research Center and Department of Radiology and Imaging Sciences, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Keisuke Kawata
- Department of Kinesiology, Indiana University School of Public Health-Bloomington, Bloomington, IN 47405, USA
- Program in Neuroscience, The College of Arts and Sciences, Indiana University, Bloomington, IN 47405, USA
| | - Chandy C John
- Ryan White Center for Pediatric Infectious Disease and Global Health, Indiana University School of Medicine, Indianapolis, IN 46202, USA
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Florijn BW, Leontien van der Bent M, Nguyen TMT, Quax PHA, Wermer MJH, Yaël Nossent A, Kruyt ND. Non-coding RNAs versus protein biomarkers to diagnose and differentiate acute stroke: Systematic review and meta-analysis. J Stroke Cerebrovasc Dis 2023; 32:107388. [PMID: 37778160 DOI: 10.1016/j.jstrokecerebrovasdis.2023.107388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 09/16/2023] [Accepted: 09/24/2023] [Indexed: 10/03/2023] Open
Abstract
BACKGROUND Stroke diagnosis is dependent on lengthy clinical and neuroimaging assessments, while rapid treatment initiation improves clinical outcome. Currently, more sensitive biomarker assays of both non-coding RNA- and protein biomarkers have improved their detectability, which could accelerate stroke diagnosis. This systematic review and meta-analysis compares non-coding RNA- with protein biomarkers for their potential to diagnose and differentiate acute stroke (subtypes) in (pre-)hospital settings. METHODS We performed a systematic review and meta-analysis of studies evaluating diagnostic performance of non-coding RNA- and protein biomarkers to differentiate acute ischemic and hemorrhagic stroke, stroke mimics, and (healthy) controls. Quality appraisal of individual studies was assessed using the QUADAS-2 tool while the meta-analysis was performed with the sROC approach and by assessing pooled sensitivity and specificity, diagnostic odds ratios, positive- and negative likelihood ratios, and the Youden Index. SUMMARY OF REVIEW 112 studies were included in the systematic review and 42 studies in the meta-analysis containing 11627 patients with ischemic strokes, 2110 patients with hemorrhagic strokes, 1393 patients with a stroke mimic, and 5548 healthy controls. Proteins (IL-6 and S100 calcium-binding protein B (S100B)) and microRNAs (miR-30a) have similar performance in ischemic stroke diagnosis. To differentiate between ischemic- or hemorrhagic strokes, glial fibrillary acidic protein (GFAP) levels and autoantibodies to the NR2 peptide (NR2aAb, a cleavage product of NMDA neuroreceptors) were best performing whereas no investigated protein or non-coding RNA biomarkers differentiated stroke from stroke mimics with high diagnostic potential. CONCLUSIONS Despite sampling time differences, circulating microRNAs (< 24 h) and proteins (< 4,5 h) perform equally well in ischemic stroke diagnosis. GFAP differentiates stroke subtypes, while a biomarker panel of GFAP and UCH-L1 improved the sensitivity and specificity of UCH-L1 alone to differentiate stroke.
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Affiliation(s)
- Barend W Florijn
- Department of Neurology, Leiden University Medical Center, Leiden, the Netherlands; Einthoven Laboratory for Vascular and Regenerative Medicine, Leiden University Medical Center, the Netherlands.
| | - M Leontien van der Bent
- Department of Surgery, Leiden University Medical Center, Leiden, the Netherlands; Einthoven Laboratory for Vascular and Regenerative Medicine, Leiden University Medical Center, the Netherlands
| | - Truc My T Nguyen
- Department of Neurology, Leiden University Medical Center, Leiden, the Netherlands
| | - Paul H A Quax
- Department of Surgery, Leiden University Medical Center, Leiden, the Netherlands; Einthoven Laboratory for Vascular and Regenerative Medicine, Leiden University Medical Center, the Netherlands
| | - Marieke J H Wermer
- Department of Neurology, Leiden University Medical Center, Leiden, the Netherlands; Department of Neurology, University Medical Center Groningen, Groningen, the Netherlands
| | - A Yaël Nossent
- Department of Surgery, Leiden University Medical Center, Leiden, the Netherlands; Einthoven Laboratory for Vascular and Regenerative Medicine, Leiden University Medical Center, the Netherlands
| | - Nyika D Kruyt
- Department of Neurology, Leiden University Medical Center, Leiden, the Netherlands; Department of Neurology Institution, Leiden University Medical Center, Leiden/The Hague, Zuid Holland, The Netherlands
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Nguyen AM, Saini V, Hinson HE. Blood-Based Biomarkers for Neuroprognostication in Acute Brain Injury. Semin Neurol 2023; 43:689-698. [PMID: 37751855 PMCID: PMC10668565 DOI: 10.1055/s-0043-1775764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/28/2023]
Abstract
Acute brain injury causes loss of functionality in patients that often is devastating. Predicting the degree of functional loss and overall prognosis requires a multifaceted approach to help patients, and more so their families, make important decisions regarding plans and goals of care. A variety of blood-based markers have been studied as one aspect of this determination. In this review, we discuss CNS-derived and systemic markers that have been studied for neuroprognostication purposes. We discuss the foundation of each protein, the conditions in which it has been studied, and how the literature has used these markers for interpretation. We also discuss challenges to using each marker in each section as well.
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Affiliation(s)
- Andrew M. Nguyen
- Neurosciences Critical Care Program, Department of Neurology, Oregon Health & Science University, Portland, Oregon
| | - Vishal Saini
- Neurosciences Critical Care Program, Department of Neurology, Oregon Health & Science University, Portland, Oregon
| | - H. E. Hinson
- Department of Neurology, University of California San Francisco, San Francisco, California
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Kowalski RG, Ledreux A, Violette JE, Neumann RT, Ornelas D, Yu X, Griffiths SG, Lewis S, Nash P, Monte AA, Coughlan CM, Deighan C, Grotta JC, Jones WJ, Graner MW. Rapid Activation of Neuroinflammation in Stroke: Plasma and Extracellular Vesicles Obtained on a Mobile Stroke Unit. Stroke 2023; 54:e52-e57. [PMID: 36727508 PMCID: PMC10052772 DOI: 10.1161/strokeaha.122.041422] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 12/16/2022] [Indexed: 02/03/2023]
Abstract
BACKGROUND Neuroinflammation is ubiquitous in acute stroke and worsens outcome. However, the precise timing of the inflammatory response is unknown, hindering the design of acute anti-inflammatory therapeutic interventions. We sought to identify the onset of the neuroinflammatory cascade using a mobile stroke unit. METHODS The study is a proof-of-concept, cohort investigation of ultra-early blood- and extracellular vesicle-derived markers of neuroinflammation and outcome in acute stroke. Blood was obtained, prehospital, on an mobile stroke unit. Outcomes were biomarker concentrations, modified Rankin Scale score, and National Institutes of Health Stroke Scale score. RESULTS Forty-one adults were analyzed, including 15 patients treated on the mobile stroke unit between August 2021 and April 2022, and 26 healthy controls to establish biomarker reference levels. Median patient age was 74 (range, 36-97) years, 60% were female, and 80% White. Ten (67%) were diagnosed as stroke, with 8 (53%) confirmed and 2 likely transient ischemic attack or stroke averted by thrombolysis; 5 were stroke mimics. For strokes, median initial National Institutes of Health Stroke Scale score was 11 (range, 4-19) and 6 (75%) received tPA (tissue-type plasminogen activator). Blood was obtained a median of 58 (range, 36-133) minutes after symptom onset. Within 36 minutes after stroke, plasma IL-6 (interleukin-6), neurofilament light chain, UCH-L1 (ubiquitin C-terminal hydrolase L1), and GFAP (glial fibrillary acidic protein) were elevated by as much as 10 times normal. In EVs, MMP-9 (matrix metalloproteinase-9), CXCL4 (chemokine (C-X-C motif) ligand 4), CRP (C-reactive protein), IL-6, OPN (osteopontin), and PECAM1 (platelet and endothelial cell adhesion molecule 1) were elevated. Inflammatory markers increased rapidly in the first 2 hours and continued rising for 24 hours. CONCLUSIONS The neuroinflammatory cascade was found to be activated within 36 to 133 minutes after stroke and progresses rapidly. This is earlier than observed previously in humans and suggests injury from neuroinflammation occurs faster than had been surmised. These findings could inform development of acute immunomodulatory stroke therapies and lead to new diagnostic tools and improved outcomes.
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Affiliation(s)
- Robert G Kowalski
- Department of Neurosurgery (R.G.K., A.L., R.T.N., X.Y., M.W.G.)
- Department of Neurology (RGK, CMC, WJJ)
| | - Aurélie Ledreux
- Department of Neurosurgery (R.G.K., A.L., R.T.N., X.Y., M.W.G.)
| | - John E Violette
- UCHealth, University of Colorado Hospital, Aurora (J.E.V., D.O.)
| | | | - David Ornelas
- UCHealth, University of Colorado Hospital, Aurora (J.E.V., D.O.)
| | - Xiaoli Yu
- Department of Neurosurgery (R.G.K., A.L., R.T.N., X.Y., M.W.G.)
| | | | | | | | - Andrew A Monte
- Department of Emergency Medicine (A.A.M.)
- University of Colorado School of Medicine, Aurora (A.A.M.)
| | | | | | - James C Grotta
- Memorial Hermann Hospital-Texas Medical Center, Houston (J.C.G.)
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Kohlhase K, Frank F, Wilmes C, Koerbel K, Schaller-Paule MA, Miles M, Betz C, Steinmetz H, Foerch C. Brain-specific biomarkers in urine as a non-invasive approach to monitor neuronal and glial damage. Eur J Neurol 2023; 30:729-740. [PMID: 36409153 DOI: 10.1111/ene.15641] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 10/25/2022] [Accepted: 11/04/2022] [Indexed: 11/23/2022]
Abstract
BACKGROUND AND PURPOSE This study evaluates the quantitative measurability of glial fibrillary acidic protein (GFAP), neurofilament light chain (NfL), ubiquitin carboxy-terminal hydrolase L1 (UCH-L1) and total tau (t-tau) in urine of patients with acute cerebral damage. METHODS Serum and urine samples were prospectively collected from patients with an acute ischemic stroke or intracerebral hemorrhage (target group) and compared to healthy subjects (control group); samples were measured using ultrasensitive single-molecule arrays (Simoa®). Glomerular barrier function was assessed based on albumin-creatinine ratio (ACR); biomarker-creatinine ratios were calculated for correction of urine dilution. RESULTS Ninety-three urine-serum pairs in the target group and 10 urine-serum pairs in the control group were measured. The mean absolute concentration ± standard deviation in urine of the target and control groups were 184.7 ± 362.4 pg/ml and 27.3 ± 24.1 pg/ml for GFAP (r = 0.3 [Wilcoxon effect size], p = 0.007), 17.5 ± 38.6 pg/ml and 0.9 ± 0.3 pg/ml for NfL (r = 0.4, p < 0.005), 320.2 ± 443.3 pg/ml and 109.6 ± 116.8 pg/ml for UCH-L1 (r = 0.26, p = 0.014), and 219.5 ± 255.8 pg/ml and 21.1 ± 27.1 pg/ml for t-tau (r = 0.37, p < 0.005), respectively, whereas biomarker-creatinine ratio was significantly different only for NfL (r = 0.29, p = 0.015) and t-tau (r = 0.32, p < 0.01). In patients with intact glomerular barrier (ACR < 30 mg/g), only NfL in urine was significantly different between the target and control group and showed a significant correlation with the respective serum concentrations (r = 0.58 [Pearson's correlation-coefficient], p < 0.005). CONCLUSION All four investigated biomarkers could be measured in urine, with NfL and t-tau showing the strongest effect size after correction for urine dilution. NfL revealed the most accurate relation between serum and urine concentrations in patients with intact kidney function.
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Affiliation(s)
- Konstantin Kohlhase
- Department of Neurology, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | - Franziska Frank
- Department of Neurology, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | - Christian Wilmes
- Department of Neurology, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | - Kimberly Koerbel
- Department of Neurology, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | - Martin A Schaller-Paule
- Department of Neurology, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | | | - Christoph Betz
- Medical Clinic III - Department of Nephrology, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | - Helmuth Steinmetz
- Department of Neurology, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | - Christian Foerch
- Department of Neurology, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
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Jæger HS, Tranberg D, Larsen K, Valentin JB, Blauenfeldt RA, Luger S, Bache KG, Gude MF. Diagnostic performance of Glial Fibrillary Acidic Protein and Prehospital Stroke Scale for identification of stroke and stroke subtypes in an unselected patient cohort with symptom onset < 4.5 h. Scand J Trauma Resusc Emerg Med 2023; 31:1. [PMID: 36604741 PMCID: PMC9814331 DOI: 10.1186/s13049-022-01065-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 12/26/2022] [Indexed: 01/06/2023] Open
Abstract
INTRODUCTION Rapid identification and treatment of stroke is crucial for the outcome of the patient. We aimed to determine the performance of glial fibrillary acidic protein (GFAP) independently and in combination with the Prehospital Stroke Score (PreSS) for identification and differentiation of acute stroke within 4.5 h after symptom onset. PATIENTS AND METHODS Clinical data and serum samples were collected from the Treat-Norwegian Acute Stroke Prehospital Project (Treat-NASPP). Patients with suspected stroke and symptoms lasting ≤ 4.5 h had blood samples collected and were evaluated with the National Institutes of Health Stroke Scale prospectively. In this sub study, NIHSS was retrospectively translated into PreSS and GFAP was measured using the sensitive single molecule array (SIMOA). RESULTS A total of 299 patients with suspected stroke were recruited from Treat-NASPP and included in this study (44% acute ischemic stroke (AIS), 10% intracranial hemorrhage (ICrH), 7% transient ischemic attack (TIA), and 38% stroke mimics). ICrH was identified with a cross-fold validated area under the receiver-operating characteristic curve (AUC) of 0.73 (95% CI 0.62-0.84). A decision tree with PreSS and GFAP combined, first identified patients with a low probability of stroke. Subsequently, GFAP detected patients with ICrH with a 25.0% sensitivity (95% CI 11.5-43.4) and 100.0% specificity (95% CI 98.6-100.0). Lastly, patients with large-vessel occlusion (LVO) were detected with a 55.6% sensitivity (95% CI 35.3-74.5) and 82.4% specificity (95% CI 77.3-86.7). CONCLUSION In unselected patients with suspected stroke, GFAP alone identified ICrH. Combined in a decision tree, GFAP and PreSS identified subgroups with high proportions of stroke mimics, ICrH, LVO, and AIS (non-LVO strokes).
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Affiliation(s)
- Henriette S. Jæger
- grid.420120.50000 0004 0481 3017The Norwegian Air Ambulance Foundation, Research and Development, Oslo, Norway ,grid.5510.10000 0004 1936 8921Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
| | - Ditte Tranberg
- grid.425869.40000 0004 0626 6125Department of Research and Development, Prehospital Emergency Medical Services, Central Denmark Region and Aarhus University, Olof Palmes Allé 34, 2., 8200 Aarhus N, Denmark
| | - Karianne Larsen
- grid.420120.50000 0004 0481 3017The Norwegian Air Ambulance Foundation, Research and Development, Oslo, Norway ,grid.5510.10000 0004 1936 8921Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
| | - Jan B. Valentin
- grid.5117.20000 0001 0742 471XDanish Center for Clinical Health Services Research (DACS), Department of Clinical Medicine, Aalborg University and Aalborg University Hospital, Aalborg, Denmark
| | - Rolf A. Blauenfeldt
- grid.154185.c0000 0004 0512 597XDepartment of Neurology and Danish Stroke Center, Aarhus University Hospital, 8200 Aarhus, Denmark
| | - Sebastian Luger
- grid.411088.40000 0004 0578 8220Department of Neurology, University Hospital Frankfurt/Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Kristi G. Bache
- grid.5510.10000 0004 1936 8921Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway ,grid.446040.20000 0001 1940 9648Research and Dissemination, Østfold University College, Halden, Norway
| | - Martin F. Gude
- grid.425869.40000 0004 0626 6125Department of Research and Development, Prehospital Emergency Medical Services, Central Denmark Region and Aarhus University, Olof Palmes Allé 34, 2., 8200 Aarhus N, Denmark
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10
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Mani KK, El-Hakim Y, Branyan TE, Samiya N, Pandey S, Grimaldo MT, Habbal A, Wertz A, Sohrabji F. Intestinal epithelial stem cell transplants as a novel therapy for cerebrovascular stroke. Brain Behav Immun 2023; 107:345-360. [PMID: 36328163 DOI: 10.1016/j.bbi.2022.10.015] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 09/24/2022] [Accepted: 10/22/2022] [Indexed: 11/06/2022] Open
Abstract
Almost 2/3rds of stroke survivors exhibit vascular cognitive impairment and a third of stroke patients will develop dementia 1-3 years after stroke. These dire consequences underscore the need for effective stroke therapies. In addition to its damaging effects on the brain, stroke rapidly dysregulates the intestinal epithelium, resulting in elevated blood levels of inflammatory cytokines and toxic gut metabolites due to a 'leaky' gut. We tested whether repairing the gut via intestinal epithelial stem cell (IESC) transplants would also improve stroke recovery. Organoids containing IESCs derived from young rats transplanted into older rats after stroke were incorporated into the gut, restored stroke-induced gut dysmorphology and decreased gut permeability, and reduced circulating levels of endotoxin LPS and the inflammatory cytokine IL-17A. Remarkably, IESC transplants also improved stroke-induced acute (4d) sensory-motor disability and chronic (30d) cognitive-affective function. Moreover, IESCs from older animals displayed senescent features and were not therapeutic for stroke. These data underscore the gut as a critical therapeutic target for stroke and demonstrate the effectiveness of gut stem cell therapy.
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Affiliation(s)
- Kathiresh Kumar Mani
- Women's Health in Neuroscience Program, Department of Neuroscience and Experimental Therapeutics, College of Medicine, Mail Stop 1359 | 8447 Riverside Pkwy, Bryan, TX 77807-3260, United States; Texas A&M Institute for Neuroscience, Texas A&M University, Bryan, TX 77807, United States
| | - Yumna El-Hakim
- Women's Health in Neuroscience Program, Department of Neuroscience and Experimental Therapeutics, College of Medicine, Mail Stop 1359 | 8447 Riverside Pkwy, Bryan, TX 77807-3260, United States
| | - Taylor E Branyan
- Women's Health in Neuroscience Program, Department of Neuroscience and Experimental Therapeutics, College of Medicine, Mail Stop 1359 | 8447 Riverside Pkwy, Bryan, TX 77807-3260, United States; Texas A&M Institute for Neuroscience, Texas A&M University, Bryan, TX 77807, United States
| | - Nadia Samiya
- Women's Health in Neuroscience Program, Department of Neuroscience and Experimental Therapeutics, College of Medicine, Mail Stop 1359 | 8447 Riverside Pkwy, Bryan, TX 77807-3260, United States
| | - Sivani Pandey
- Women's Health in Neuroscience Program, Department of Neuroscience and Experimental Therapeutics, College of Medicine, Mail Stop 1359 | 8447 Riverside Pkwy, Bryan, TX 77807-3260, United States
| | - Maria T Grimaldo
- Women's Health in Neuroscience Program, Department of Neuroscience and Experimental Therapeutics, College of Medicine, Mail Stop 1359 | 8447 Riverside Pkwy, Bryan, TX 77807-3260, United States
| | - Ali Habbal
- Women's Health in Neuroscience Program, Department of Neuroscience and Experimental Therapeutics, College of Medicine, Mail Stop 1359 | 8447 Riverside Pkwy, Bryan, TX 77807-3260, United States
| | - Anna Wertz
- Women's Health in Neuroscience Program, Department of Neuroscience and Experimental Therapeutics, College of Medicine, Mail Stop 1359 | 8447 Riverside Pkwy, Bryan, TX 77807-3260, United States
| | - Farida Sohrabji
- Women's Health in Neuroscience Program, Department of Neuroscience and Experimental Therapeutics, College of Medicine, Mail Stop 1359 | 8447 Riverside Pkwy, Bryan, TX 77807-3260, United States; Texas A&M Institute for Neuroscience, Texas A&M University, Bryan, TX 77807, United States.
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11
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Serum glial fibrillary acidic protein is sensitive to acute but not chronic tissue damage in cerebral small vessel disease. J Neurol 2023; 270:320-327. [PMID: 36056929 PMCID: PMC9813007 DOI: 10.1007/s00415-022-11358-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 08/25/2022] [Accepted: 08/26/2022] [Indexed: 01/09/2023]
Abstract
BACKGROUND Serum glial fibrillary acidic protein (sGFAP) has been proposed as a biomarker in various neurological diseases but has not yet been systematically investigated in patients with cerebral small vessel disease (CSVD). We explored whether sGFAP levels are increased in stroke patients with MRI-confirmed recent small subcortical infarcts (RSSI) and analyzed the subsequent course and determinants of sGFAP longitudinally. METHODS In a prospectively-collected cohort of stroke patients with a single RSSI (n = 101, mean age: 61 years, 73% men), we analyzed brain MRI and sGFAP using a SIMOA assay at baseline and at 3- and 15-months post-stroke. Community-dwelling age- and sex-matched individuals (n = 51) served as controls. RESULTS RSSI patients had higher baseline sGFAP levels compared to controls (median: 187.4 vs. 118.3 pg/ml, p < 0.001), with no influence of the time from stroke symptom onset to baseline blood sampling (median 5 days, range 1-13). At the 3- and 15-months follow-up, sGFAP returned to control levels. While baseline sGFAP correlated with larger infarct size (rs = 0.28, p = 0.01), neither baseline nor follow-up sGFAP levels were associated with chronic CSVD-related lesions (white matter hyperintensities, lacunes, microbleeds) after adjusting for age, sex and hypertension. Furthermore, sGFAP levels did not relate to the occurrence of new vascular brain lesions on follow-up MRI. CONCLUSIONS sGFAP is increased in patients with CSVD-related stroke and correlates with the size of the RSSI. However, sGFAP levels were not related to chronic neuroimaging features or progression of CSVD, suggesting that sGFAP is sensitive to acute but not chronic cerebrovascular tissue changes in this condition.
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12
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Weisinger B, Pandey DP, Saver JL, Hochberg A, Bitton A, Doniger GM, Lifshitz A, Vardi O, Shohami E, Segal Y, Reznik Balter S, Djemal Kay Y, Alter A, Prasad A, Bornstein NM. Frequency-tuned electromagnetic field therapy improves post-stroke motor function: A pilot randomized controlled trial. Front Neurol 2022; 13:1004677. [PMID: 36452175 PMCID: PMC9702345 DOI: 10.3389/fneur.2022.1004677] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 10/05/2022] [Indexed: 11/15/2023] Open
Abstract
BACKGROUND AND PURPOSE Impaired upper extremity (UE) motor function is a common disability after ischemic stroke. Exposure to extremely low frequency and low intensity electromagnetic fields (ELF-EMF) in a frequency-specific manner (Electromagnetic Network Targeting Field therapy; ENTF therapy) is a non-invasive method available to a wide range of patients that may enhance neuroplasticity, potentially facilitating motor recovery. This study seeks to quantify the benefit of the ENTF therapy on UE motor function in a subacute ischemic stroke population. METHODS In a randomized, sham-controlled, double-blind trial, ischemic stroke patients in the subacute phase with moderately to severely impaired UE function were randomly allocated to active or sham treatment with a novel, non-invasive, brain computer interface-based, extremely low frequency and low intensity ENTF therapy (1-100 Hz, < 1 G). Participants received 40 min of active ENTF or sham treatment 5 days/week for 8 weeks; ~three out of the five treatments were accompanied by 10 min of concurrent physical/occupational therapy. Primary efficacy outcome was improvement on the Fugl-Meyer Assessment - Upper Extremity (FMA-UE) from baseline to end of treatment (8 weeks). RESULTS In the per protocol set (13 ENTF and 8 sham participants), mean age was 54.7 years (±15.0), 19% were female, baseline FMA-UE score was 23.7 (±11.0), and median time from stroke onset to first stimulation was 11 days (interquartile range (IQR) 8-15). Greater improvement on the FMA-UE from baseline to week 4 was seen with ENTF compared to sham stimulation, 23.2 ± 14.1 vs. 9.6 ± 9.0, p = 0.007; baseline to week 8 improvement was 31.5 ± 10.7 vs. 23.1 ± 14.1. Similar favorable effects at week 8 were observed for other UE and global disability assessments, including the Action Research Arm Test (Pinch, 13.4 ± 5.6 vs. 5.3 ± 6.5, p = 0.008), Box and Blocks Test (affected hand, 22.5 ± 12.4 vs. 8.5 ± 8.6, p < 0.0001), and modified Rankin Scale (-2.5 ± 0.7 vs. -1.3 ± 0.7, p = 0.0005). No treatment-related adverse events were reported. CONCLUSIONS ENTF stimulation in subacute ischemic stroke patients was associated with improved UE motor function and reduced overall disability, and results support its safe use in the indicated population. These results should be confirmed in larger multicenter studies. CLINICAL TRIAL REGISTRATION https://clinicaltrials.gov/ct2/show/NCT04039178, identifier: NCT04039178.
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Affiliation(s)
| | - Dharam P. Pandey
- Manipal Hospital Physiotherapy and Rehabilitation, New Delhi, India
| | - Jeffrey L. Saver
- Department of Neurology, UCLA Comprehensive Stroke and Vascular Neurology Program, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | | | | | | | | | - Ofir Vardi
- BrainQ Technologies, Ltd., Jerusalem, Israel
| | - Esther Shohami
- BrainQ Technologies, Ltd., Jerusalem, Israel
- Hebrew University of Jerusalem, Jerusalem, Israel
| | - Yaron Segal
- BrainQ Technologies, Ltd., Jerusalem, Israel
| | | | | | | | - Atul Prasad
- Department of Neurology, B. L. Kapur Super Specialty Hospital (BLK), National Capital Territory of Delhi, New Delhi, India
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13
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Neurovascular Unit-Derived Extracellular Vesicles: From Their Physiopathological Roles to Their Clinical Applications in Acute Brain Injuries. Biomedicines 2022; 10:biomedicines10092147. [PMID: 36140248 PMCID: PMC9495841 DOI: 10.3390/biomedicines10092147] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 08/26/2022] [Accepted: 08/28/2022] [Indexed: 11/16/2022] Open
Abstract
Extracellular vesicles (EVs) form a heterogeneous group of membrane-enclosed structures secreted by all cell types. EVs export encapsulated materials composed of proteins, lipids, and nucleic acids, making them a key mediator in cell–cell communication. In the context of the neurovascular unit (NVU), a tightly interacting multicellular brain complex, EVs play a role in intercellular communication and in maintaining NVU functionality. In addition, NVU-derived EVs can also impact peripheral tissues by crossing the blood–brain barrier (BBB) to reach the blood stream. As such, EVs have been shown to be involved in the physiopathology of numerous neurological diseases. The presence of NVU-released EVs in the systemic circulation offers an opportunity to discover new diagnostic and prognostic markers for those diseases. This review outlines the most recent studies reporting the role of NVU-derived EVs in physiological and pathological mechanisms of the NVU, focusing on neuroinflammation and neurodegenerative diseases. Then, the clinical application of EVs-containing molecules as biomarkers in acute brain injuries, such as stroke and traumatic brain injuries (TBI), is discussed.
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14
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Association of Serum GFAP with Functional and Neurocognitive Outcome in Sporadic Small Vessel Disease. Biomedicines 2022; 10:biomedicines10081869. [PMID: 36009416 PMCID: PMC9405121 DOI: 10.3390/biomedicines10081869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 07/27/2022] [Accepted: 07/31/2022] [Indexed: 11/25/2022] Open
Abstract
Cerebrospinal fluid (CSF) and serum biomarkers are critical for clinical decision making in neurological diseases. In cerebral small vessel disease (CSVD), white matter hyperintensities (WMH) are an important neuroimaging biomarker, but more blood-based biomarkers capturing different aspects of CSVD pathology are needed. In 42 sporadic CSVD patients, we prospectively analysed WMH on magnetic resonance imaging (MRI) and the biomarkers neurofilament light chain (NfL), glial fibrillary acidic protein (GFAP), chitinase3-like protein 1 (CHI3L1), Tau and Aβ1-42 in CSF and NfL and GFAP in serum. GFAP and CHI3L1 expression was studied in post-mortem brain tissue in additional cases. CSVD cases with higher serum NfL and GFAP levels had a higher modified Rankin Scale (mRS) and NIHSS score and lower CSF Aβ1-42 levels, whereas the CSF NfL and CHI3L1 levels were positively correlated with the WMH load. Moreover, the serum GFAP levels significantly correlated with the neurocognitive functions. Pathological analyses in CSVD revealed a high density of GFAP-immunoreactive fibrillary astrocytic processes in the periventricular white matter and clusters of CHI3L1-immunoreactive astrocytes in the basal ganglia and thalamus. Thus, besides NfL, serum GFAP is a highly promising fluid biomarker of sporadic CSVD, because it does not only correlate with the clinical severity but also correlates with the cognitive function in patients.
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15
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Salahandish R, Haghayegh F, Khetani S, Hassani M, Nezhad AS. Immuno-affinity Potent Strip with Pre-Embedded Intermixed PEDOT:PSS Conductive Polymers and Graphene Nanosheets for Bio-Ready Electrochemical Biosensing of Central Nervous System Injury Biomarkers. ACS APPLIED MATERIALS & INTERFACES 2022; 14:28651-28662. [PMID: 35704794 DOI: 10.1021/acsami.2c07322] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Future point-of-care (PoC) and wearable electrochemical biosensors explore new technology solutions to eliminate the need for multistep electrode modification and functionalization, overcome the limited reproducibility, and automate the sensing steps. In this work, a new screen-printed immuno-biosensor strip is engineered and characterized using a hybrid graphene nanosheet intermixed with the conductive poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) polymers, all embedded within the base carbon matrix (GiPEC) of the screen-printing ink. This intermixed nanocomposite ink is chemically designed for self-containing the "carboxyl" functional groups as the most specific chemical moiety for protein immobilization on the electrodes. The GiPEC ink enables capturing the target antibodies on the electrode without any need for extra surface preparation. As a proof of concept, the performance of the non-functionalized ready-to-immobilize strips was assessed for the detection of glial fibrillary acidic protein (GFAP) as a known central nervous system injury blood biomarker. This immuno-biosensor exhibits the limit of detection of 281.7 fg mL-1 (3 signal-to-noise ratio) and the sensitivity of 322.6 Ω mL pg-1 mm-2 within the clinically relevant linear detection range from 1 pg mL-1 to 10 ng mL-1. To showcase its potential PoC application, the bio-ready strip is embedded inside a capillary microfluidic device and automates electrochemical quantification of GFAP spiked in phosphate-buffered saline and the human serum. This new electrochemical biosensing platform can be further adapted for the detection of various protein biomarkers with the application in realizing on-chip immunoassays.
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Affiliation(s)
- Razieh Salahandish
- BioMEMS and Bioinspired Microfluidic Laboratory, Department of Biomedical Engineering, University of Calgary, Calgary, Alberta T2N 1N4, Canada
- Department of Mechanical and Manufacturing Engineering, University of Calgary, Calgary, Alberta T2N 1N4, Canada
| | - Fatemeh Haghayegh
- Department of Mechanical and Manufacturing Engineering, University of Calgary, Calgary, Alberta T2N 1N4, Canada
| | - Sultan Khetani
- Department of Mechanical and Manufacturing Engineering, University of Calgary, Calgary, Alberta T2N 1N4, Canada
- Biomedical Engineering Graduate Program, University of Calgary, Calgary, Alberta T2N 1N4, Canada
| | - Mohsen Hassani
- Department of Mechanical and Manufacturing Engineering, University of Calgary, Calgary, Alberta T2N 1N4, Canada
| | - Amir Sanati Nezhad
- BioMEMS and Bioinspired Microfluidic Laboratory, Department of Biomedical Engineering, University of Calgary, Calgary, Alberta T2N 1N4, Canada
- Department of Mechanical and Manufacturing Engineering, University of Calgary, Calgary, Alberta T2N 1N4, Canada
- Biomedical Engineering Graduate Program, University of Calgary, Calgary, Alberta T2N 1N4, Canada
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16
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Sayad A, Uddin SM, Yao S, Wilson H, Chan J, Zhao H, Donnan G, Davis S, Skafidas E, Yan B, Kwan P. A magnetoimpedance biosensor microfluidic platform for detection of glial fibrillary acidic protein in blood for acute stroke classification. Biosens Bioelectron 2022; 211:114410. [PMID: 35617799 DOI: 10.1016/j.bios.2022.114410] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 05/15/2022] [Accepted: 05/17/2022] [Indexed: 11/17/2022]
Abstract
Acute stroke is the third leading cause of mortality and disability worldwide. Administration of appropriate therapy for acute stroke is critically dependent on timely classification into either ischemic or hemorrhagic subtypes, which have divergent treatment pathways. The current classification method is based on neuroimaging, which generally requires the transport of the patient to a hospital-based facility unless a mobile stroke unit is available. Plasma glial fibrillary acidic protein (GFAP) level has been identified as a useful blood-based biomarker to differentiate stroke subtypes. However, its conventional immunoassay methods are laboratory-based and time-consuming. Novel approaches for rapid stroke classification near the patients are urgently needed. Here, we report the development and testing of a microfluidic-based magnetoimpedance biosensor platform for measuring GFAP levels. The platform consists of a microfluidic chip for GFAP extraction from a blood sample and a magnetoimpedance (MI) biosensor that employs Dynabeads as a magnetic label to capture the GFAP molecules. We demonstrated the detection of recombinant GFAP protein in phosphate-buffered saline (PBS) and in mouse blood samples (detection limit 0.01 ng/mL) and of physiological GFAP in blood and plasma samples (detection limit 1.0 ng/mL) obtained from acute stroke patients. This detection level is within the range of cut-off levels required for clinical stroke subtype differentiation. This platform has the potential to be incorporated into a small device with further development to assist in the classification of acute stroke patients and clinical decision-making at the point-of-care.
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Affiliation(s)
- Abkar Sayad
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC, 3004, Australia.
| | - Shah Mukim Uddin
- Department of Medicine, The University of Melbourne, The Royal Melbourne Hospital, Melbourne, VIC, 3050, Australia.
| | - Scarlett Yao
- Department of Medicine, The University of Melbourne, The Royal Melbourne Hospital, Melbourne, VIC, 3050, Australia.
| | - Harold Wilson
- Department of Medicine, The University of Melbourne, The Royal Melbourne Hospital, Melbourne, VIC, 3050, Australia. https://
| | - Jianxiong Chan
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC, 3004, Australia; Department of Medicine, The University of Melbourne, The Royal Melbourne Hospital, Melbourne, VIC, 3050, Australia.
| | - Henry Zhao
- Department of Medicine, The University of Melbourne, The Royal Melbourne Hospital, Melbourne, VIC, 3050, Australia; Department of Neurology, Melbourne Brain Centre, Royal Melbourne Hospital, VIC, 3010, Australia.
| | - Geoffrey Donnan
- Department of Medicine, The University of Melbourne, The Royal Melbourne Hospital, Melbourne, VIC, 3050, Australia; Department of Neurology, Melbourne Brain Centre, Royal Melbourne Hospital, VIC, 3010, Australia.
| | - Stephen Davis
- Department of Medicine, The University of Melbourne, The Royal Melbourne Hospital, Melbourne, VIC, 3050, Australia; Department of Neurology, Melbourne Brain Centre, Royal Melbourne Hospital, VIC, 3010, Australia. https://
| | - Efstratios Skafidas
- Department of Medicine, The University of Melbourne, The Royal Melbourne Hospital, Melbourne, VIC, 3050, Australia; Department of Electrical and Electronic Engineering, Melbourne School of Engineering, The University of Melbourne, VIC, 3010, Australia.
| | - Bernard Yan
- Department of Medicine, The University of Melbourne, The Royal Melbourne Hospital, Melbourne, VIC, 3050, Australia; Department of Neurology, Melbourne Brain Centre, Royal Melbourne Hospital, VIC, 3010, Australia.
| | - Patrick Kwan
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC, 3004, Australia; Department of Medicine, The University of Melbourne, The Royal Melbourne Hospital, Melbourne, VIC, 3050, Australia; Department of Electrical and Electronic Engineering, Melbourne School of Engineering, The University of Melbourne, VIC, 3010, Australia; Department of Neurology, Melbourne Brain Centre, Royal Melbourne Hospital, VIC, 3010, Australia.
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17
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Kobeissy F, Mallah K, Zibara K, Dakroub F, Dalloul Z, Nasser M, Nasrallah L, Mallah Z, El-Achkar GA, Ramadan N, Mohamed W, Mondello S, Hamade E, Habib A. The effect of clopidogrel and aspirin on the severity of traumatic brain injury in a rat model. Neurochem Int 2022; 154:105301. [PMID: 35121011 DOI: 10.1016/j.neuint.2022.105301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 01/07/2022] [Accepted: 01/31/2022] [Indexed: 10/19/2022]
Abstract
Traumatic Brain Injury (TBI) is one of the leading causes of death and disability worldwide. Aspirin (ASA) and clopidogrel (CLOP) are antiplatelet agents that inhibit platelet aggregation. They are implicated in worsening the intracerebral haemorrhage (ICH) risk post-TBI. However, antiplatelet drugs may also exert a neuroprotective effect post-injury. We determined the impact of aspirin and clopidogrel treatment, alone or in combination, on ICH and brain damage in an experimental rat TBI model. We assessed changes in platelet aggregation and measured serum thromboxane by enzyme immune assay. We also explored a panel of brain damage and apoptosis biomarkers by immunoblotting. Rats were treated with aspirin and/or clopidogrel for 48 h prior to TBI and sacrificed 48 h post-injury. In rats treated with antiplatelet agents prior to TBI, platelet aggregation was completely inhibited, and serum thromboxane was significantly decreased, compared to the TBI group without treatment. TBI increases UCHL-1 and GFAP, but decreases hexokinase expression compared to the non-injured controls. All groups treated with antiplatelet drugs prior to TBI had decreased UCH-L1 and GFAP serum levels compared to the TBI untreated group. Furthermore, the ASA and CLOP single treatments increased the hexokinase serum levels. We confirmed that αII-spectrin cleavage increased post-TBI, with the highest cleavage detected in CLOP-treated rats. Aspirin and/or clopidogrel treatment prior to TBI is a double-edged sword that exerts a dual effect post-injury. On one hand, ASA and CLOP single treatments increase the post-TBI ICH risk, with a further detrimental effect from the ASA + CLOP treatment. On the other hand, ASA and/or CLOP treatments are neuroprotective and result in a favourable profile of TBI injury markers. The ICH risk and the neuroprotection benefits from antiplatelet therapy should be weighed against each other to ameliorate the management of TBI patients.
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Affiliation(s)
- Firas Kobeissy
- Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Beirut, Lebanon.
| | - Khalil Mallah
- Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Beirut, Lebanon; Department of Microbiology and Immunology, Medical University of South Carolina, 173 Ashley Avenue, BSB 204, MSC 504, Charleston, SC, 29425, USA
| | - Kazem Zibara
- ER045, Laboratory of Stem Cells, DSST, PRASE, Lebanese University, Beirut, Lebanon; Department of Biology, Faculty of Sciences-I, Lebanese University, Beirut, Lebanon
| | - Fatima Dakroub
- Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Beirut, Lebanon; Molecular Biology and Cancer Immunology Laboratory, Faculty of Sciences-I, Lebanese University, Beirut, Lebanon
| | - Zeinab Dalloul
- Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Mohammad Nasser
- Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Beirut, Lebanon; Molecular Biology and Cancer Immunology Laboratory, Faculty of Sciences-I, Lebanese University, Beirut, Lebanon
| | - Leila Nasrallah
- Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Zahraa Mallah
- Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Beirut, Lebanon; Molecular Biology and Cancer Immunology Laboratory, Faculty of Sciences-I, Lebanese University, Beirut, Lebanon
| | - Ghewa A El-Achkar
- Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Naify Ramadan
- Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Wael Mohamed
- Clinical Pharmacology Department, Menoufia Medical School, Menoufia University, AlMinufya, Egypt; Basic Medical Science Department, Kulliyyah of Medicine, International Islamic University Malaysia, Kuantan, Pahang, Malaysia
| | | | - Eva Hamade
- Molecular Biology and Cancer Immunology Laboratory, Faculty of Sciences-I, Lebanese University, Beirut, Lebanon; Department of Biochemistry, Faculty of Sciences-I, Lebanese University, Beirut, Lebanon.
| | - Aida Habib
- Department of Basic Medical Sciences, QU Health, Qatar University, Doha, Qatar.
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18
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Voznyuk I, Pivovarova L, Gogoleva E, Osipova I, Ariskina O, Morozova E, Chernyavsky I, Markelova E. Biomarkers of brain damage and inflammation in patients with acute cerebral ischemia. Zh Nevrol Psikhiatr Im S S Korsakova 2022; 122:54-60. [DOI: 10.17116/jnevro202212208254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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19
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Zhao P, Sun J, Zhao S, Song Y, Gao F, Wang H, Ni Q, Wang Y, Sun B. SERS-based immunoassay based on gold nanostars modified with 5,5'-dithiobis-2-nitrobenzoic acid for determination of glial fibrillary acidic protein. Mikrochim Acta 2021; 188:428. [PMID: 34816331 DOI: 10.1007/s00604-021-05081-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 10/26/2021] [Indexed: 11/28/2022]
Abstract
A surface-enhanced Raman scattering (SERS)-based immunoassay with gold nanostars (GNSs) is utilized for determination of the subarachnoid hemorrhage (SAH) biomarker glial fibrillary acidic protein (GFAP) at very low concentration levels, which allows for early diagnosis and guides clinical decision-making to treat SAH-induced complications. The Raman reporter 5,5'-dithiobis-2-nitrobenzoic acid (DTNB) modified on GNSs was selected as the SERS tags. The SERS immunoassay was assembled by SERS tag and GFAP probe-immobilized ITO substrate. Therefore, the level of GFAP can be detected by monitoring the characteristic Raman peak intensity of GFAP-conjugated GNSs at 1332 cm-1 with a very low detection limit. Under optimized conditions, the assay can work in the GFAP concentration range from 1 pg⋅mL-1 to 1 μg⋅mL-1, with a detection limit as low as 0.54 fg⋅mL-1. The performance of the SERS immunoassay proven by the detection of GFAP is equivalent to that of the conventional enzyme-linked immunosorbent assay (ELISA). Scheme 1. Schematic illustration of GNSs SERS immunoassay for ultrasensitive dynamic change detection of GFAP. (SAH: Subarachnoid hemorrhage, SCF: Cerebrospinal fluid; GNSs: gold nanostars; SERS: surface-enhanced Raman scattering; GFAP: glial fibrillary acidic protein).
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Affiliation(s)
- Peng Zhao
- Department of Neurology, Second Affiliated Hospital, Institute for Neurological Research & Key Laboratory of Cerebral Microcirculation, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271000, Shandong, China
| | - Jingyi Sun
- Shandong Provincial Hospital Affiliated To Shandong First Medical University& Shandong Academy of Medical Sciences, Jinan, 250021, Shandong, China
| | - Shijun Zhao
- Department of Neurology, Baotou Central Hospital, Baotou, 014040, Neimenggu, China
| | - Yanan Song
- Qingdao Medical College of Qingdao University, Qingdao, 266021, Shandong, China
| | - Feng Gao
- Department of Neurology, Second Affiliated Hospital, Institute for Neurological Research & Key Laboratory of Cerebral Microcirculation, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271000, Shandong, China
| | - Hongbin Wang
- Department of Neurology, Second Affiliated Hospital, Institute for Neurological Research & Key Laboratory of Cerebral Microcirculation, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271000, Shandong, China
| | - Qingbin Ni
- Postdoctoral Workstation, Taian Central Hospital, Taian, 271000, Shandong, China
| | - Ying Wang
- Department of Neurology, Second Affiliated Hospital, Institute for Neurological Research & Key Laboratory of Cerebral Microcirculation, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271000, Shandong, China.
| | - Baoliang Sun
- Department of Neurology, Second Affiliated Hospital, Institute for Neurological Research & Key Laboratory of Cerebral Microcirculation, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271000, Shandong, China
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20
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Chen CH, Chu HJ, Hwang YT, Lin YH, Lee CW, Tang SC, Jeng JS. Plasma neurofilament light chain level predicts outcomes in stroke patients receiving endovascular thrombectomy. J Neuroinflammation 2021; 18:195. [PMID: 34511123 PMCID: PMC8436486 DOI: 10.1186/s12974-021-02254-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 08/26/2021] [Indexed: 11/10/2022] Open
Abstract
Background Timely endovascular thrombectomy (EVT) significantly improves outcomes in patients with acute ischemic stroke (AIS) with large vessel occlusion type. However, whether certain central nervous system-specific plasma biomarkers correlate with the outcomes is unknown. We evaluated the temporal changes and prognostic roles of the levels of these biomarkers in patients with AIS undergoing EVT. Methods We enrolled 60 patients who received EVT for AIS and 14 controls. The levels of plasma biomarkers, namely neurofilament light chain (NfL), glial fibrillary astrocytic protein (GFAP), tau, and ubiquitin C-terminal hydrolase L1 (UCHL1), were measured with an ultrasensitive single molecule array before, immediately after, and 24 h after EVT (T1, T2, and T3, respectively). The outcomes of interest were death or disability at 90 days (defined as a modified Rankin Scale score of 3–6) and types of hemorrhagic transformation (hemorrhagic infarction or parenchymal hemorrhage). Results Of the 180 blood samples from the 60 patients who received EVT, the plasma NfL, GFAP, and UCHL1 levels at T1 were significantly higher than those of the controls, and the levels of all four biomarkers were significantly higher at T3. Patients with parenchymal hemorrhage had a significantly higher rate of increase in GFAP (Pinteraction = 0.005) and UCHL1 (Pinteraction = 0.007) levels compared with those without parenchymal hemorrhage. In a multivariable analysis with adjustment for age, sex, National Institute of Health Stroke Scale score, history of atrial fibrillation, and recanalization status, higher NfL levels at T1 (odds ratio [OR] 2.05; 95% confidence interval [CI], 1.03–4.08), T2 (OR, 2.08; 95% CI, 1.05–4.01), and T3 (OR, 3.94; 95% CI, 1.44–10.79) were independent predictors of death or disability at 90 days. Conclusion Among patients with AIS who received EVT, those with hemorrhagic transformation exhibited significant increase in plasma GFAP and UCHL1 levels over time. Higher plasma NfL were predictive of unfavorable functional outcomes. Supplementary Information The online version contains supplementary material available at 10.1186/s12974-021-02254-4.
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Affiliation(s)
- Chih-Hao Chen
- Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan
| | - Hai-Jui Chu
- Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan.,Department of Neurology, En Chu Kong Hospital, New Taipei City, Taiwan
| | - Yi-Ting Hwang
- Department of Statistics, National Taipei University, New Taipei City, Taiwan
| | - Yen-Heng Lin
- Department of Medical Imaging, National Taiwan University Hospital, Taipei, Taiwan
| | - Chung-Wei Lee
- Department of Medical Imaging, National Taiwan University Hospital, Taipei, Taiwan.
| | - Sung-Chun Tang
- Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan.
| | - Jiann-Shing Jeng
- Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan
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21
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Luger S, Jæger HS, Dixon J, Bohmann FO, Schaefer J, Richieri SP, Larsen K, Hov MR, Bache KG, Foerch C. Diagnostic Accuracy of Glial Fibrillary Acidic Protein and Ubiquitin Carboxy-Terminal Hydrolase-L1 Serum Concentrations for Differentiating Acute Intracerebral Hemorrhage from Ischemic Stroke. Neurocrit Care 2021; 33:39-48. [PMID: 32096121 DOI: 10.1007/s12028-020-00931-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND Biomarkers indicative of intracerebral hemorrhage (ICH) may help triage acute stroke patients in the pre-hospital phase. We hypothesized that serum concentration of glial fibrillary acidic protein (GFAP) in combination with ubiquitin carboxy-terminal hydrolase-L1 (UCH-L1), measured by a rapid bio-assay, could be used to distinguish ICH from ischemic stroke. METHODS This prospective two-center study recruited patients with a clinical diagnosis of acute stroke both in the pre-hospital phase and at hospital admission (within 4 and 6 h after symptom onset, respectively). Blood samples were analyzed for concentrations of GFAP and UCH-L1 using ELISA techniques. The reference standard was the diagnosis of ICH, ischemic stroke, or stroke mimicking condition achieved after clinical workup including brain imaging. RESULTS A total of 251 patients were included (mean age [± SD] 72 ± 15 years; 5 ICH, 23 ischemic strokes and 14 stroke mimics in the pre-hospital part; and 59 ICH, 148 ischemic strokes and 2 stroke mimics in the in-hospital part). Mean delay (± SD) from symptom onset to blood withdrawal was 130 ± 79 min for the pre-hospital patients and 136 ± 86 min for the in-hospital patients. Both GFAP and UCH-L1 serum concentrations were higher in patients having ICH as compared to other diagnoses (GFAP: median 330 ng/L [interquartile range 64-7060, range 8-56,100] vs. 27.5 ng/L [14-57.25, 0-781], p < 0.001; UCH-L1: 401 ng/L [265-764, 133-1812] vs. 338 ng/L [213-549.5, 0-2950], p = 0.025). Area-under-the-curve values were 0.866 (95% CI 0.809-0.924, p < 0.001) for GFAP, and 0.590 (0.511-0.670, p = 0.033) for UCH-L1. Regarding overall diagnostic accuracy, UCH-L1 did not add significantly to the performance of GFAP. CONCLUSIONS GFAP may differentiate ICH from ischemic stroke and stroke mimics. A point-of-care test to distinguish between ischemic and hemorrhagic strokes might facilitate triage to different treatment pathways or locations, or be used to select patients for trials of ultra-early interventions.
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Affiliation(s)
- Sebastian Luger
- Department of Neurology, Goethe-University Hospital Frankfurt, Schleusenweg 2-16, 60528, Frankfurt am Main, Germany.
| | - Henriette S Jæger
- The Norwegian Air Ambulance Foundation, Oslo, Norway.,Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
| | - Joanna Dixon
- Department of Neurology, Goethe-University Hospital Frankfurt, Schleusenweg 2-16, 60528, Frankfurt am Main, Germany
| | - Ferdinand O Bohmann
- Department of Neurology, Goethe-University Hospital Frankfurt, Schleusenweg 2-16, 60528, Frankfurt am Main, Germany
| | - JanHendrik Schaefer
- Department of Neurology, Goethe-University Hospital Frankfurt, Schleusenweg 2-16, 60528, Frankfurt am Main, Germany
| | | | - Karianne Larsen
- The Norwegian Air Ambulance Foundation, Oslo, Norway.,Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
| | - Maren R Hov
- The Norwegian Air Ambulance Foundation, Oslo, Norway.,Department of Neurology, Oslo University Hospital, Oslo, Norway
| | - Kristi G Bache
- The Norwegian Air Ambulance Foundation, Oslo, Norway.,Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
| | - Christian Foerch
- Department of Neurology, Goethe-University Hospital Frankfurt, Schleusenweg 2-16, 60528, Frankfurt am Main, Germany
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22
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Dias A, Silva I, Pinto IM, Maia LF. Timely and Blood-Based Multiplex Molecular Profiling of Acute Stroke. Life (Basel) 2021; 11:816. [PMID: 34440560 PMCID: PMC8398526 DOI: 10.3390/life11080816] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 08/06/2021] [Accepted: 08/07/2021] [Indexed: 12/12/2022] Open
Abstract
Stroke is a leading cause of death and disability in the world. To address such a problem, early diagnosis and tailored acute treatment represent one of the major priorities in acute stroke care. Since the efficacy of reperfusion treatments is highly time-dependent, there is a critical need to optimize procedures for faster and more precise diagnosis. We provide a concise review of the most relevant and well-documented blood-protein biomarkers that exhibit greater potential for translational to clinical practice in stroke differential diagnosis and to differentiate ischemic stroke from hemorrhagic stroke, followed by an overview of the most recent point-of-care technological approaches to address this problem. The integration of fluid-based biomarker profiling, using point-of-care biosensors with demographic, clinical, and neuroimaging parameters in multi-dimensional clinical decision-making algorithms, will be the next step in personalized stroke care.
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Affiliation(s)
- Alexandre Dias
- Department of Neurology, Centro Hospitalar Universitário do Porto (CHUPorto), 4099-001 Porto, Portugal; (A.D.); (I.S.)
- Portugal and Ipatimup—Institute of Molecular Pathology and Immunology, University of Porto, 4200-135 Porto, Portugal
| | - Isabel Silva
- Department of Neurology, Centro Hospitalar Universitário do Porto (CHUPorto), 4099-001 Porto, Portugal; (A.D.); (I.S.)
- Portugal and Molecular Neurobiology, IBMC—Instituto de Biologia Molecular e Celular, University of Porto, 4200-135 Porto, Portugal
| | - Inês Mendes Pinto
- International Iberian Nanotechnology Laboratory, 4715-330 Braga, Portugal
| | - Luís F. Maia
- Department of Neurology, Centro Hospitalar Universitário do Porto (CHUPorto), 4099-001 Porto, Portugal; (A.D.); (I.S.)
- Portugal and Molecular Neurobiology, IBMC—Instituto de Biologia Molecular e Celular, University of Porto, 4200-135 Porto, Portugal
- Instituto de Ciências Biomédicas Abel Salazar, University of Porto (ICBAS-UP), 4050-313 Porto, Portugal
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23
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Liu Z, Yang C, Wang X, Xiang Y. Blood-Based Biomarkers: A Forgotten Friend of Hyperacute Ischemic Stroke. Front Neurol 2021; 12:634717. [PMID: 34168606 PMCID: PMC8217611 DOI: 10.3389/fneur.2021.634717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 04/21/2021] [Indexed: 11/21/2022] Open
Abstract
Ischemic stroke (IS) is the second leading cause of death worldwide. Multimodal neuroimaging techniques that have significantly facilitated the diagnosis of hyperacute IS are not widely used in underdeveloped areas and community hospitals owing to drawbacks such as high cost and lack of trained operators. Moreover, these methods do not have sufficient resolution to detect changes in the brain at the cellular and molecular levels after IS onset. In contrast, blood-based biomarkers can reflect molecular and biochemical alterations in both normal and pathophysiologic processes including angiogenesis, metabolism, inflammation, oxidative stress, coagulation, thrombosis, glial activation, and neuronal and vascular injury, and can thus provide information complementary to findings from routine examinations and neuroimaging that is useful for diagnosis. In this review, we summarize the current state of knowledge on blood-based biomarkers of hyperacute IS including those associated with neuronal injury, glial activation, inflammation and oxidative stress, vascular injury and angiogenesis, coagulation and thrombosis, and metabolism as well as genetic and genomic biomarkers. Meanwhile, the blood sampling time of the biomarkers which are cited and summarized in the review is within 6 h after the onset of IS. Additionally, we also discuss the diagnostic and prognostic value of blood-based biomarkers in stroke patients, and future directions for their clinical application and development.
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Affiliation(s)
- Zhilan Liu
- Sichuan Provincial Center for Mental Health, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, China.,Key Laboratory of Psychosomatic Medicine, Chinese Academy of Medical Sciences, Chengdu, China.,Department of Neurology, General Hospital of Western Theater Command, Chengdu, China.,North Sichuan Medical College, Nanchong, China
| | - Cui Yang
- Institute of Neurology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China.,Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, Chengdu, China
| | - Xiaoming Wang
- Department of Neurology, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Yang Xiang
- Department of Neurology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
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24
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Baez SDLC, García del Barco D, Hardy-Sosa A, Guillen Nieto G, Bringas-Vega ML, Llibre-Guerra JJ, Valdes-Sosa P. Scalable Bio Marker Combinations for Early Stroke Diagnosis: A Systematic Review. Front Neurol 2021; 12:638693. [PMID: 34122297 PMCID: PMC8193128 DOI: 10.3389/fneur.2021.638693] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 03/29/2021] [Indexed: 12/11/2022] Open
Abstract
Background: Acute stroke treatment is a time-critical process in which every minute counts. Laboratory biomarkers are needed to aid clinical decisions in the diagnosis. Although imaging is critical for this process, these biomarkers may provide additional information to distinguish actual stroke from its mimics and monitor patient condition and the effect of potential neuroprotective strategies. For such biomarkers to be effectively scalable to public health in any economic setting, these must be cost-effective and non-invasive. We hypothesized that blood-based combinations (panels) of proteins might be the key to this approach and explored this possibility through a systematic review. Methods: We followed the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analysis) guidelines for systematic review. Initially, the broader search for biomarkers for early stroke diagnosis yielded 704 hits, and five were added manually. We then narrowed the search to combinations (panels) of the protein markers obtained from the blood. Results: Twelve articles dealing with blood-based panels of protein biomarkers for stroke were included in the systematic review. We observed that NR2 peptide (antibody against the NR2 fragment) and glial fibrillary acidic protein (GFAP) are brain-specific markers related to stroke. Von Willebrand factor (vWF), matrix metalloproteinase 9 (MMP-9), and S100β have been widely used as biomarkers, whereas others such as the ischemia-modified albumin (IMA) index, antithrombin III (AT-III), and fibrinogen have not been evaluated in combination. We herein propose the following new combination of biomarkers for future validation: panel 1 (NR2 + GFAP + MMP-9 + vWF + S100β), panel 2 (NR2 + GFAP + MMP-9 + vWF + IMA index), and panel 3 (NR2 + GFAP + AT-III + fibrinogen). Conclusions: More research is needed to validate, identify, and introduce these panels of biomarkers into medical practice for stroke recurrence and diagnosis in a scalable manner. The evidence indicates that the most promising approach is to combine different blood-based proteins to provide diagnostic precision for health interventions. Through our systematic review, we suggest three novel biomarker panels based on the results in the literature and an interpretation based on stroke pathophysiology.
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Affiliation(s)
- Saiyet de la C. Baez
- The Clinical Hospital of Chengdu Brain Sciences Institute, University Electronic Sciences and Technology of China UESTC, Chengdu, China
- Center for Genetic Engineering and Biotechnology, Havana, Cuba
| | | | - Anette Hardy-Sosa
- The Clinical Hospital of Chengdu Brain Sciences Institute, University Electronic Sciences and Technology of China UESTC, Chengdu, China
- Center for Genetic Engineering and Biotechnology, Havana, Cuba
| | - Gerardo Guillen Nieto
- The Clinical Hospital of Chengdu Brain Sciences Institute, University Electronic Sciences and Technology of China UESTC, Chengdu, China
- Center for Genetic Engineering and Biotechnology, Havana, Cuba
| | - Maria Luisa Bringas-Vega
- The Clinical Hospital of Chengdu Brain Sciences Institute, University Electronic Sciences and Technology of China UESTC, Chengdu, China
- Cuban Neurosciences Center, Havana, Cuba
| | - Jorge J. Llibre-Guerra
- Department of Neurology, National Institute of Neurology and Neurosurgery of Cuba, Havana, Cuba
- Department of Neurology, Washington University School of Medicine in St. Louis, St. Louis, MO, United States
| | - Pedro Valdes-Sosa
- The Clinical Hospital of Chengdu Brain Sciences Institute, University Electronic Sciences and Technology of China UESTC, Chengdu, China
- Cuban Neurosciences Center, Havana, Cuba
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25
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Prospects of Therapeutic Target and Directions for Ischemic Stroke. Pharmaceuticals (Basel) 2021; 14:ph14040321. [PMID: 33916253 PMCID: PMC8065883 DOI: 10.3390/ph14040321] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 03/26/2021] [Accepted: 03/28/2021] [Indexed: 12/12/2022] Open
Abstract
Stroke is a serious, adverse neurological event and the third leading cause of death and disability worldwide. Most strokes are caused by a block in cerebral blood flow, resulting in neurological deficits through the death of brain tissue. Recombinant tissue plasminogen activator (rt-PA) is currently the only immediate treatment medication for stroke. The goal of rt-PA administration is to reduce the thrombus and/or embolism via thrombolysis; however, the administration of rt-PA must occur within a very short therapeutic timeframe (3 h to 6 h) after symptom onset. Components of the pathological mechanisms involved in ischemic stroke can be used as potential biomarkers in current treatment. However, none are currently under investigation in clinical trials; thus, further studies investigating biomarkers are needed. After ischemic stroke, microglial cells can be activated and release inflammatory cytokines. These cytokines lead to severe neurotoxicity via the overactivation of microglia in prolonged and lasting insults such as stroke. Thus, the balanced regulation of microglial activation may be necessary for therapy. Stem cell therapy is a promising clinical treatment strategy for ischemic stroke. Stem cells can increase the functional recovery of damaged tissue after post-ischemic stroke through various mechanisms including the secretion of neurotrophic factors, immunomodulation, the stimulation of endogenous neurogenesis, and neovascularization. To investigate the use of stem cell therapy for neurological diseases in preclinical studies, however, it is important to develop imaging technologies that are able to evaluate disease progression and to “chase” (i.e., track or monitor) transplanted stem cells in recipients. Imaging technology development is rapidly advancing, and more sensitive techniques, such as the invasive and non-invasive multimodal techniques, are under development. Here, we summarize the potential risk factors and biomarker treatment strategies, stem cell-based therapy and emerging multimodal imaging techniques in the context of stroke. This current review provides a conceptual framework for considering the therapeutic targets and directions for the treatment of brain dysfunctions, with a particular focus on ischemic stroke.
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26
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Hosoki S, Tanaka T, Ihara M. Diagnostic and prognostic blood biomarkers in vascular dementia: From the viewpoint of ischemic stroke. Neurochem Int 2021; 146:105015. [PMID: 33781849 DOI: 10.1016/j.neuint.2021.105015] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 02/25/2021] [Accepted: 03/02/2021] [Indexed: 12/14/2022]
Abstract
Reliable quantitative blood biomarkers are important in vascular dementia (VaD) because early diagnosis and therapeutic intervention are effective in preventing progression of dementia. Although many blood biomarkers for acute ischemic stroke (AIS) or VaD have been reported, there are few reliable blood biomarkers. VaD and AIS have similar pathological conditions that are associated with small vessel disease (SVD) such as oxidative stress, inflammation, endothelial dysfunction, and neuronal injury. Therefore, it may be possible to find superior blood biomarkers of VaD among AIS blood biomarkers. Owing to recent developments, noncoding RNAs such as microRNA and long noncoding RNA, which can be analyzed using a single drop of blood, are also particularly reliable VaD markers because they stably reflect brain tissue damage. A multimarker combining several blood biomarkers or artificial intelligence technology may also be beneficial to compensate for insufficiencies of a single blood biomarker. This review describes the blood biomarkers of VaD and how they are related to blood biomarkers of AIS.
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Affiliation(s)
- Satoshi Hosoki
- Department of Neurology, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Tomotaka Tanaka
- Department of Neurology, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Masafumi Ihara
- Department of Neurology, National Cerebral and Cardiovascular Center, Suita, Japan.
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27
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Prediction of Outcome After Endovascular Embolectomy in Anterior Circulation Stroke Using Biomarkers. Transl Stroke Res 2021; 13:65-76. [PMID: 33723754 PMCID: PMC8766380 DOI: 10.1007/s12975-021-00905-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 02/23/2021] [Accepted: 02/28/2021] [Indexed: 10/29/2022]
Abstract
Stroke is a major public health problem that can cause a long-term disability or death due to brain damage. Serious stroke is frequently caused by a large vessel occlusion in the anterior circulation, which should be treated by endovascular embolectomy if possible. In this study, we investigated the use of the brain damage biomarkers tau, NFL, NSE, GFAp, and S100B to understand the progression of nervous tissue damage and their relationship to outcome in such stroke after endovascular treatment. Blood samples were taken from 90 patients pre-treatment and 2 h, 24 h, 48 h, 72 h and 3 months after endovascular treatment. Stroke-related neurological deficit was estimated using the National Institute of Health Stroke Scale (NIHSS) at admission and at 24 h. Neurological outcome was evaluated at 3 months. After stroke, tau, NFL, GFAp and S100B increased in a time dependent manner, while NSE remained constant over time. At 3 months, tau and GFAp levels were back to normal whereas NFL was still high. Tau, NFL and GFAp correlated well to outcome, as well as to infarct volume and NIHSS at 24 h. The best time for prediction of poor outcome was different for each biomarker. However, the combination of NIHSS at 24 h with either tau, NFL or GFAp at 48 h gave the best prediction. The use of biomarkers in the early setting after endovascular treatment of stroke will lead to a simplified and standardized way to estimate the nervous tissue damage and possibly complement the clinical judgement in foreseeing the need of rehabilitation measures.
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28
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Development of a novel, sensitive translational immunoassay to detect plasma glial fibrillary acidic protein (GFAP) after murine traumatic brain injury. ALZHEIMERS RESEARCH & THERAPY 2021; 13:58. [PMID: 33678186 PMCID: PMC7938597 DOI: 10.1186/s13195-021-00793-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Accepted: 02/17/2021] [Indexed: 12/21/2022]
Abstract
Background Glial fibrillary acidic protein (GFAP) has emerged as a promising fluid biomarker for several neurological indications including traumatic brain injury (TBI), a leading cause of death and disability worldwide. In humans, serum or plasma GFAP levels can predict brain abnormalities including hemorrhage on computed tomography (CT) scans and magnetic resonance imaging (MRI). However, assays to quantify plasma or serum GFAP in preclinical models are not yet available. Methods We developed and validated a novel sensitive GFAP immunoassay assay for mouse plasma on the Meso Scale Discovery immunoassay platform and validated assay performance for robustness, precision, limits of quantification, dilutional linearity, parallelism, recovery, stability, selectivity, and pre-analytical factors. To provide proof-of-concept data for this assay as a translational research tool for TBI and Alzheimer’s disease (AD), plasma GFAP was measured in mice exposed to TBI using the Closed Head Impact Model of Engineered Rotational Acceleration (CHIMERA) model and in APP/PS1 mice with normal or reduced levels of plasma high-density lipoprotein (HDL). Results We performed a partial validation of our novel assay and found its performance by the parameters studied was similar to assays used to quantify human GFAP in clinical neurotrauma blood specimens and to assays used to measure murine GFAP in tissues. Specifically, we demonstrated an intra-assay CV of 5.0%, an inter-assay CV of 7.2%, a lower limit of detection (LLOD) of 9.0 pg/mL, a lower limit of quantification (LLOQ) of 24.8 pg/mL, an upper limit of quantification (ULOQ) of at least 16,533.9 pg/mL, dilution linearity of calibrators from 20 to 200,000 pg/mL with 90–123% recovery, dilution linearity of plasma specimens up to 32-fold with 96–112% recovery, spike recovery of 67–100%, and excellent analyte stability in specimens exposed to up to 7 freeze-thaw cycles, 168 h at 4 °C, 24 h at room temperature (RT), or 30 days at − 20 °C. We also observed elevated plasma GFAP in mice 6 h after TBI and in aged APP/PS1 mice with plasma HDL deficiency. This assay also detects GFAP in serum. Conclusions This novel assay is a valuable translational tool that may help to provide insights into the mechanistic pathophysiology of TBI and AD. Supplementary Information The online version contains supplementary material available at 10.1186/s13195-021-00793-9.
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29
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Balança B, Desmurs L, Grelier J, Perret-Liaudet A, Lukaszewicz AC. DAMPs and RAGE Pathophysiology at the Acute Phase of Brain Injury: An Overview. Int J Mol Sci 2021; 22:ijms22052439. [PMID: 33670976 PMCID: PMC7957733 DOI: 10.3390/ijms22052439] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 02/17/2021] [Accepted: 02/23/2021] [Indexed: 12/14/2022] Open
Abstract
Early or primary injury due to brain aggression, such as mechanical trauma, hemorrhage or is-chemia, triggers the release of damage-associated molecular patterns (DAMPs) in the extracellular space. Some DAMPs, such as S100B, participate in the regulation of cell growth and survival but may also trigger cellular damage as their concentration increases in the extracellular space. When DAMPs bind to pattern-recognition receptors, such as the receptor of advanced glycation end-products (RAGE), they lead to non-infectious inflammation that will contribute to necrotic cell clearance but may also worsen brain injury. In this narrative review, we describe the role and ki-netics of DAMPs and RAGE at the acute phase of brain injury. We searched the MEDLINE database for “DAMPs” or “RAGE” or “S100B” and “traumatic brain injury” or “subarachnoid hemorrhage” or “stroke”. We selected original articles reporting data on acute brain injury pathophysiology, from which we describe DAMPs release and clearance upon acute brain injury, and the implication of RAGE in the development of brain injury. We will also discuss the clinical strategies that emerge from this overview in terms of biomarkers and therapeutic perspectives
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Affiliation(s)
- Baptiste Balança
- Department of Neurological Anesthesiology and Intensive Care Medicine, Hospices Civils de Lyon, Hôpital Pierre Wertheimer, 69500 Bron, France;
- Team TIGER, Lyon Neuroscience Research Centre, Inserm U1028, CNRS UMR 5292, 69500 Bron, France
- Correspondence: ; Tel.: +33-6-2391-0594
| | - Laurent Desmurs
- Clinical Chemistry and Molecular Biology Laboratory, Hospices Civils de Lyon, Hôpital Pierre Wertheimer, 69500 Bron, France; (L.D.); (A.P.-L.)
| | - Jérémy Grelier
- Department of Neurological Anesthesiology and Intensive Care Medicine, Hospices Civils de Lyon, Hôpital Pierre Wertheimer, 69500 Bron, France;
| | - Armand Perret-Liaudet
- Clinical Chemistry and Molecular Biology Laboratory, Hospices Civils de Lyon, Hôpital Pierre Wertheimer, 69500 Bron, France; (L.D.); (A.P.-L.)
- Team BIORAN, Lyon Neuroscience Research Centre, Inserm U1028, CNRS UMR 5292, 69500 Bron, France
| | - Anne-Claire Lukaszewicz
- Department of Neurological Anesthesiology and Intensive Care Medicine, Hospices Civils de Lyon, Hôpital Edouard Herriot, 69003 Lyon, France;
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30
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Dagonnier M, Donnan GA, Davis SM, Dewey HM, Howells DW. Acute Stroke Biomarkers: Are We There Yet? Front Neurol 2021; 12:619721. [PMID: 33633673 PMCID: PMC7902038 DOI: 10.3389/fneur.2021.619721] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 01/14/2021] [Indexed: 12/25/2022] Open
Abstract
Background: Distinguishing between stroke subtypes and knowing the time of stroke onset are critical in clinical practice. Thrombolysis and thrombectomy are very effective treatments in selected patients with acute ischemic stroke. Neuroimaging helps decide who should be treated and how they should be treated but is expensive, not always available and can have contraindications. These limitations contribute to the under use of these reperfusion therapies. Aim: An alternative approach in acute stroke diagnosis is to identify blood biomarkers which reflect the body's response to the damage caused by the different types of stroke. Specific blood biomarkers capable of differentiating ischemic from hemorrhagic stroke and mimics, identifying large vessel occlusion and capable of predicting stroke onset time would expedite diagnosis and increase eligibility for reperfusion therapies. Summary of Review: To date, measurements of candidate biomarkers have usually occurred beyond the time window for thrombolysis. Nevertheless, some candidate markers of brain tissue damage, particularly the highly abundant glial structural proteins like GFAP and S100β and the matrix protein MMP-9 offer promising results. Grouping of biomarkers in panels can offer additional specificity and sensitivity for ischemic stroke diagnosis. Unbiased “omics” approaches have great potential for biomarker identification because of greater gene, protein, and metabolite coverage but seem unlikely to be the detection methodology of choice because of their inherent cost. Conclusion: To date, despite the evolution of the techniques used in their evaluation, no individual candidate or multimarker panel has proven to have adequate performance for use in an acute clinical setting where decisions about an individual patient are being made. Timing of biomarker measurement, particularly early when decision making is most important, requires urgent and systematic study.
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Affiliation(s)
- Marie Dagonnier
- Stroke Division, Melbourne Brain Centre, The Florey Institute of Neuroscience and Mental Health, Melbourne, VIC, Australia.,Department of Neurology, Ambroise Paré Hospital, Mons, Belgium
| | - Geoffrey A Donnan
- Stroke Division, Melbourne Brain Centre, The Florey Institute of Neuroscience and Mental Health, Melbourne, VIC, Australia.,Melbourne Brain Centre at the Royal Melbourne Hospital and University of Melbourne, Melbourne, VIC, Australia
| | - Stephen M Davis
- Melbourne Brain Centre at the Royal Melbourne Hospital and University of Melbourne, Melbourne, VIC, Australia
| | - Helen M Dewey
- Stroke Division, Melbourne Brain Centre, The Florey Institute of Neuroscience and Mental Health, Melbourne, VIC, Australia.,Eastern Health Clinical School, Monash University, Melbourne, VIC, Australia
| | - David W Howells
- Stroke Division, Melbourne Brain Centre, The Florey Institute of Neuroscience and Mental Health, Melbourne, VIC, Australia.,Faculty of Health, School of Medicine, University of Tasmania, Hobart, TAS, Australia
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Sarmah D, Banerjee M, Datta A, Kalia K, Dhar S, Yavagal DR, Bhattacharya P. Nanotechnology in the diagnosis and treatment of stroke. Drug Discov Today 2021; 26:585-592. [PMID: 33242696 DOI: 10.1016/j.drudis.2020.11.018] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 11/05/2020] [Accepted: 11/16/2020] [Indexed: 01/28/2023]
Abstract
Increasing developments in the field of nanotechnology have ignited its use in stroke diagnosis and treatment. The benefits of structural modification, ease of synthesis, and biocompatibility support the use of nanomaterials in the clinic. The pathophysiology of stroke is complex, involving different brain regions; hence, therapeutic agents are required to be delivered to specific regions. Nanoparticles (NPs) can be engineered to help improve the delivery and release of therapeutic agents in a localized manner, especially in the penumbra. This contributes not only to therapy, but also to neurosurgery and neuroimaging. Nanomaterials also offer high efficacy with few adverse effects. In this review, we provide a concise summary of the caveats associated with nanotechnology with respect to stroke therapy and diagnosis.
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Affiliation(s)
- Deepaneeta Sarmah
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Ahmedabad, Gandhinagar, Gujarat 382355, India
| | - Mainak Banerjee
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Aishika Datta
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Ahmedabad, Gandhinagar, Gujarat 382355, India
| | - Kiran Kalia
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Ahmedabad, Gandhinagar, Gujarat 382355, India
| | - Shanta Dhar
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL, USA; Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Dileep R Yavagal
- Department of Neurology and Neurosurgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Pallab Bhattacharya
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Ahmedabad, Gandhinagar, Gujarat 382355, India.
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DeKosky ST, Kochanek PM, Valadka AB, Clark RS, Chou SHY, Au AK, Horvat C, Jha RM, Mannix R, Wisniewski SR, Wintermark M, Rowell SE, Welch RD, Lewis L, House S, Tanzi RE, Smith DR, Vittor AY, Denslow ND, Davis MD, Glushakova OY, Hayes RL. Blood Biomarkers for Detection of Brain Injury in COVID-19 Patients. J Neurotrauma 2021; 38:1-43. [PMID: 33115334 PMCID: PMC7757533 DOI: 10.1089/neu.2020.7332] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus attacks multiple organs of coronavirus disease 2019 (COVID-19) patients, including the brain. There are worldwide descriptions of neurological deficits in COVID-19 patients. Central nervous system (CNS) symptoms can be present early in the course of the disease. As many as 55% of hospitalized COVID-19 patients have been reported to have neurological disturbances three months after infection by SARS-CoV-2. The mutability of the SARS-COV-2 virus and its potential to directly affect the CNS highlight the urgency of developing technology to diagnose, manage, and treat brain injury in COVID-19 patients. The pathobiology of CNS infection by SARS-CoV-2 and the associated neurological sequelae of this infection remain poorly understood. In this review, we outline the rationale for the use of blood biomarkers (BBs) for diagnosis of brain injury in COVID-19 patients, the research needed to incorporate their use into clinical practice, and the improvements in patient management and outcomes that can result. BBs of brain injury could potentially provide tools for detection of brain injury in COVID-19 patients. Elevations of BBs have been reported in cerebrospinal fluid (CSF) and blood of COVID-19 patients. BB proteins have been analyzed in CSF to detect CNS involvement in patients with infectious diseases, including human immunodeficiency virus and tuberculous meningitis. BBs are approved by the U.S. Food and Drug Administration for diagnosis of mild versus moderate traumatic brain injury and have identified brain injury after stroke, cardiac arrest, hypoxia, and epilepsy. BBs, integrated with other diagnostic tools, could enhance understanding of viral mechanisms of brain injury, predict severity of neurological deficits, guide triage of patients and assignment to appropriate medical pathways, and assess efficacy of therapeutic interventions in COVID-19 patients.
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Affiliation(s)
- Steven T. DeKosky
- McKnight Brain Institute, University of Florida College of Medicine, Gainesville, Florida, USA
| | - Patrick M. Kochanek
- Department of Critical Care Medicine, Department of Anesthesiology, Pediatrics, Bioengineering, and Clinical and Translational Science, Safar Center for Resuscitation Research, University of Pittsburgh School of Medicine, UPMC Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Alex B. Valadka
- Department of Neurosurgery, Virginia Commonwealth University, Richmond, Virginia, USA
| | - Robert S.B. Clark
- Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Sherry H.-Y. Chou
- Department of Critical Care Medicine, Neurology, and Neurosurgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Alicia K. Au
- University of Pittsburgh, UPMC Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Christopher Horvat
- Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Division of Pediatric Critical Care, UPMC Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Ruchira M. Jha
- Departments of Critical Care Medicine, Neurology, Neurological Surgery, Clinical and Translational Science Institute, Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Rebekah Mannix
- Department of Pediatrics and Emergency Medicine, Harvard Medical School, Department of Medicine, Division of Emergency Medicine, Boston Children's Hospital, Boston, Massachusetts, USA
| | | | - Max Wintermark
- Department of Neuroradiology, Stanford University, Stanford, California, USA
| | - Susan E. Rowell
- Duke University School of Medicine, Durham, North Carolina, USA
| | - Robert D. Welch
- Department of Emergency Medicine, Wayne State University School of Medicine, Detroit Receiving Hospital/University Health Center, Detroit, Michigan, USA
| | - Lawrence Lewis
- Department of Emergency Medicine, Washington University in St. Louis, St. Louis, Missouri, USA
| | - Stacey House
- Department of Emergency Medicine, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Rudolph E. Tanzi
- Genetics and Aging Research Unit, Massachusetts General Hospital, McCance Center for Brain Health, Massachusetts General Hospital, MassGeneral Institute for Neurodegenerative Diseases, Massachusetts General Hospital, Department of Neurology (Research), Massachusetts General Hospital, Department of Neurology, Harvard Medical School, Charlestown, Massachusetts, USA
| | - Darci R. Smith
- Immunodiagnostics Department, Naval Medical Research Center, Biological Defense Research Directorate, Fort Detrick, Maryland, USA
| | - Amy Y. Vittor
- Division of Infectious Disease and Global Medicine, University of Florida, Emerging Pathogens Institute, Gainesville, Florida, USA
| | - Nancy D. Denslow
- Departments of Physiological Sciences and Biochemistry and Molecular Biology, University of Florida, Center for Environmental and Human Toxicology, Gainesville, Florida
| | - Michael D. Davis
- Department of Pediatrics, Wells Center for Pediatric Research/Pulmonology, Allergy, and Sleep Medicine, Riley Hospital for Children at Indiana University, Indianapolis, Indiana, USA
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Bsat S, Halaoui A, Kobeissy F, Moussalem C, El Houshiemy MN, Kawtharani S, Omeis I. Acute ischemic stroke biomarkers: a new era with diagnostic promise? Acute Med Surg 2021; 8:e696. [PMID: 34745637 PMCID: PMC8552525 DOI: 10.1002/ams2.696] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 07/15/2021] [Accepted: 09/01/2021] [Indexed: 01/14/2023] Open
Abstract
Stroke is considered as the first cause of neurological dysfunction and second cause of death worldwide. Recombinant tissue plasminogen activator is the only chemical treatment for ischemic stroke approved by the US Food and Drug Administration. It was the only standard of care for a long time with a very narrow therapeutic window, which usually ranges from 3 to 4.5 h of stroke onset; until 2015, when multiple trials demonstrated the benefit of mechanical thrombectomy during the first 6 h. In addition, recent trials showed that mechanical thrombectomy can be beneficial up to 24 h if the patients meet certain criteria including the presence of magnetic resonance imaging/computed tomography perfusion mismatch, which allows better selectivity and higher recruitment of eligible stroke patients. However, magnetic resonance imaging/computed tomography perfusion is not available in all stroke centers. Hence, physicians need other easy and available diagnostic tools to select stroke patients eligible for mechanical thrombectomy. Moreover, stroke management is still challenging for physicians, particularly those dealing with patients with "wake-up" stroke. The resulting brain tissue damage of ischemic stroke and the subsequent pathological processes are mediated by multiple molecular pathways that are modulated by inflammatory markers and post-transcriptional activity. A considerable number of published works suggest the role of inflammatory and cardiac brain-derived biomarkers (serum matrix metalloproteinase, thioredoxin, neuronal and glial markers, and troponin proteins) as well as different biomarkers including the emerging roles of microRNAs. In this review, we assess the accumulating evidence regarding the current status of acute ischemic stroke diagnostic biomarkers that could guide physicians for better management of stroke patients. Our review could give an insight into the roles of the different emerging markers and microRNAs that can be of high diagnostic value in patients with stroke. In fact, the field of stroke research, similar to the field of traumatic brain injury, is in immense need for novel biomarkers that can stratify diagnosis, prognosis, and therapy.
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Affiliation(s)
- Shadi Bsat
- Division of NeurosurgeryDepartment of SurgeryAmerican University of Beirut Medical CenterBeirutLebanon
| | - Adham Halaoui
- Division of NeurosurgeryDepartment of SurgeryAmerican University of Beirut Medical CenterBeirutLebanon
| | - Firas Kobeissy
- Department of Biochemistry and Molecular GeneticsFaculty of MedicineAmerican University of BeirutBeirutLebanon
| | - Charbel Moussalem
- Division of NeurosurgeryDepartment of SurgeryAmerican University of Beirut Medical CenterBeirutLebanon
| | | | - Sarah Kawtharani
- Division of NeurosurgeryDepartment of SurgeryAmerican University of Beirut Medical CenterBeirutLebanon
| | - Ibrahim Omeis
- Division of NeurosurgeryDepartment of SurgeryAmerican University of Beirut Medical CenterBeirutLebanon
- Department of NeurosurgeryBaylor College of MedicineHoustonTexasUSA
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Wang Q, Wang F, Fu F, Liu J, Sun W, Chen Y. Diagnostic and prognostic value of serum miR-9-5p and miR-128-3p levels in early-stage acute ischemic stroke. Clinics (Sao Paulo) 2021; 76:e2958. [PMID: 34730612 PMCID: PMC8527554 DOI: 10.6061/clinics/2021/e2958] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 08/16/2021] [Indexed: 11/18/2022] Open
Abstract
OBJECTIVES To investigate the clinical utility of serum microRNA levels (miR-9-5p and miR-128-3p) in the diagnosis and prognosis of early-stage acute ischemic stroke (AIS). METHODS We compared the differences in serum miR-9-5p and miR-128-3p levels between patients with AIS and healthy individuals (controls). The serum levels of miR-9-5p and miR-128-3p were quantified using quantitative real-time PCR, and the association of each miRNA with AIS was determined using receiver operator characteristic curve analysis. The predictive value of these indices in the diagnosis of early-stage AIS was evaluated in conjunction with that of computed tomography findings and neuron-specific enolase levels. The prognosis of patients with AIS was evaluated three months after their discharge from hospital using the modified Rankin scale, which classifies the prognosis as either favorable or poor. Logistic regression analysis was used to analyze the correlation between miR-9-5p and miR-128-3p levels and patient prognosis. RESULTS The serum levels of miR-9-5p and miR-128-3p were upregulated in patients with AIS relative to those in healthy individuals. A pronounced correlation was identified between serum miR-9-5p and miR-128-3p levels and patient prognosis, with high levels of both miRNAs being associated with poor patient outcomes. CONCLUSION Assessment of serum miR-9-5p and miR-128-3p levels is important for the early diagnosis and prognosis of AIS.
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Affiliation(s)
- Qi Wang
- Neurorehabilitation Center, Beijing Rehabilitation Hospital of Capital Medical University, Beijing 100144, China
| | - Fei Wang
- Department of Encephalopathy, Binzhou Hospital of Traditional Chinese Medicine, Binzhou, Shandong 256600, China
| | - Fengwei Fu
- The Fifth Department of Internal Medicine, Gucheng County Hospital of Hebei Province, Hengshui, Hebei 253800, China
| | - Jinlin Liu
- Laboratory Department, Gucheng County Hospital of Hebei Province, Hengshui, Hebei 253800, China
| | - Weilu Sun
- Department of Neurology, Gaoqing County People's Hospital, Zibo, Shandong 256300, China
| | - Yongqing Chen
- Department of Neurology, Yantai Municipal Laiyang Central Hospital, Yantai, Shandong 265200, China
- Corresponding author. E-mail:
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35
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Chmielewska N, Maciejak P, Osuch B, Kursa MB, Szyndler J. Pro-inflammatory cytokines, but not brain- and extracellular matrix-derived proteins, are increased in the plasma following electrically induced kindling of seizures. Pharmacol Rep 2020; 73:506-515. [PMID: 33377994 PMCID: PMC7994222 DOI: 10.1007/s43440-020-00208-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 11/13/2020] [Accepted: 12/07/2020] [Indexed: 12/16/2022]
Abstract
Background The aim of the study was to evaluate the brain-derived proteins, extracellular matrix-derived protein and cytokines as potential peripheral biomarkers of different susceptibility to seizure development in an animal model of epilepsy evoked by chronic focal electrical stimulation of the brain. Methods The plasma levels of IL-1β (interleukin 1β), IL-6 (interleukin 6), UCH-L1 (ubiquitin C-terminal hydrolase 1), MMP-9 (matrix metalloproteinase 9), and GFAP (glial fibrillary acidic protein) were assessed. The peripheral concentrations of the selected proteins were analyzed according to the status of kindling and seizure severity parameters. In our study, increased concentrations of plasma IL-1β and IL-6 were observed in rats subjected to hippocampal kindling compared to sham-operated rats. Results Animals that developed tonic–clonic seizures after the last stimulation had higher plasma concentrations of IL-1β and IL-6 than sham-operated rats and rats that did not develop seizure. Elevated levels of IL-1β and IL-6 were observed in rats that presented more severe seizures after the last five stimulations compared to sham-operated animals. A correlation between plasma IL-1β and IL-6 concentrations was also found. On the other hand, the plasma levels of the brain-derived proteins UCH-L1, MMP-9, and GFAP were unaffected by kindling status and seizure severity parameters. Conclusions The plasma concentrations of IL-1β and IL-6 may have potential utility as peripheral biomarkers of immune system activation in the course of epilepsy and translational potential for future clinical use. Surprisingly, markers of cell and nerve ending damage (GFAP, UCH-L1 and MMP-9) may have limited utility.
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Affiliation(s)
- Natalia Chmielewska
- Department of Neurochemistry, Institute of Psychiatry and Neurology, Sobieskiego Street 9, 02-957, Warsaw, Poland.
| | - Piotr Maciejak
- Department of Neurochemistry, Institute of Psychiatry and Neurology, Sobieskiego Street 9, 02-957, Warsaw, Poland
| | - Bartosz Osuch
- Department of Neurochemistry, Institute of Psychiatry and Neurology, Sobieskiego Street 9, 02-957, Warsaw, Poland
| | - Miron B Kursa
- Interdisciplinary Centre for Mathematical and Computational Modelling, University of Warsaw, Pawinskiego Street 5A, 02-106, Warsaw, Poland
| | - Janusz Szyndler
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology CePT, Medical University of Warsaw, Banacha Street 1B, 02-097, Warsaw, Poland
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Large-scale informatic analysis to algorithmically identify blood biomarkers of neurological damage. Proc Natl Acad Sci U S A 2020; 117:20764-20775. [PMID: 32764143 DOI: 10.1073/pnas.2007719117] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
The identification of precision blood biomarkers which can accurately indicate damage to brain tissue could yield molecular diagnostics with the potential to improve how we detect and treat neurological pathologies. However, a majority of candidate blood biomarkers for neurological damage that are studied today are proteins which were arbitrarily proposed several decades before the advent of high-throughput omic techniques, and it is unclear whether they represent the best possible targets relative to the remainder of the human proteome. Here, we leveraged mRNA expression data generated from nearly 12,000 human specimens to algorithmically evaluate over 17,000 protein-coding genes in terms of their potential to produce blood biomarkers for neurological damage based on their expression profiles both across the body and within the brain. The circulating levels of proteins associated with the top-ranked genes were then measured in blood sampled from a diverse cohort of patients diagnosed with a variety of acute and chronic neurological disorders, including ischemic stroke, hemorrhagic stroke, traumatic brain injury, Alzheimer's disease, and multiple sclerosis, and evaluated for their diagnostic performance. Our analysis identifies several previously unexplored candidate blood biomarkers of neurological damage with possible clinical utility, many of which whose presence in blood is likely linked to specific cell-level pathologic processes. Furthermore, our findings also suggest that many frequently cited previously proposed blood biomarkers exhibit expression profiles which could limit their diagnostic efficacy.
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Misra S, Montaner J, Ramiro L, Arora R, Talwar P, Nath M, Kumar A, Kumar P, Pandit AK, Mohania D, Prasad K, Vibha D. Blood biomarkers for the diagnosis and differentiation of stroke: A systematic review and meta-analysis. Int J Stroke 2020; 15:704-721. [DOI: 10.1177/1747493020946157] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Background Correct diagnosis of stroke and its subtypes is pivotal in early stages for optimum treatment. Aims The aim of this systematic review and meta-analysis is to summarize the published evidence on the potential of blood biomarkers in the diagnosis and differentiation of stroke subtypes. Methods A literature search was conducted for papers published until 20 April 2020 in PubMed, EMBASE, Cochrane Library, TRIP, and Google Scholar databases to search for eligible studies investigating the role of blood biomarkers in diagnosing stroke. Quality assessment was done using modified Quality Assessment of Diagnostic Accuracy Studies questionnaire. Pooled standardized mean difference and 95% confidence intervals were calculated. Presence of heterogeneity among the included studies was investigated using the Cochran's Q statistic and I2 metric tests. If I2 was < 50% then a fixed-effect model was applied else a random-effect model was applied. Risk of bias was assessed using funnel plots and between-study heterogeneity was assessed using meta-regression and sensitivity analyses. Entire statistical analysis was conducted in STATA version 13.0. Results A total of 40 studies including patients with 5001 ischemic strokes, 756 intracerebral hemorrhage, 554 stroke mimics, and 1774 healthy control subjects analyzing 25 biomarkers (within 24 h after symptoms onset/after the event) were included in our meta-analysis; 67.5% of studies had moderate evidence of quality. Brain natriuretic peptide, matrix metalloproteinase-9, and D-dimer significantly differentiated ischemic stroke from intracerebral hemorrhage, stroke mimics, and health control subjects ( p < 0.05). Glial fibrillary acidic protein successfully differentiated ischemic stroke from intracerebral hemorrhage (standardized mean difference −1.04; 95% confidence interval −1.46 to −0.63) within 6 h. No studies were found to conduct a meta-analysis of blood biomarkers differentiating transient ischemic attack from healthy controls and stroke mimics. Conclusion This meta-analysis highlights the potential of brain natriuretic peptide, matrix metalloproteinase-9, D-dimer, and glial fibrillary acidic protein as diagnostic biomarkers for stroke within 24 h. Results of our meta-analysis might serve as a platform for conducting further targeted proteomics studies and phase-III clinical trials. PROSPERO Registration ID: CRD42019139659.
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Affiliation(s)
- Shubham Misra
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - Joan Montaner
- Neurovascular Research Laboratory, Vall d'Hebron Institute of Research, Universitat Autònoma de Barcelona, Barcelona, Spain
- Stroke Research Program, Institute of Biomedicine of Seville, IBiS/Hospital Universitario Virgen del Rocío/CSIC/University of Seville & Department of Neurology, Hospital Universitario Virgen Macarena, Seville, Spain
| | - Laura Ramiro
- Neurovascular Research Laboratory, Vall d'Hebron Institute of Research, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Rohan Arora
- Zucker Schoool of Medicine at Hofstra/Northwell, Hempstead, NY, USA
| | - Pumanshi Talwar
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - Manabesh Nath
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - Amit Kumar
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - Pradeep Kumar
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - Awadh K Pandit
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - Dheeraj Mohania
- Dr. R.P. Centre, All India Institute of Medical Sciences, New Delhi, India
| | - Kameshwar Prasad
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - Deepti Vibha
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
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Wijerathne H, Witek MA, Baird AE, Soper SA. Liquid biopsy markers for stroke diagnosis. Expert Rev Mol Diagn 2020; 20:771-788. [PMID: 32500751 PMCID: PMC8157911 DOI: 10.1080/14737159.2020.1777859] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Accepted: 06/01/2020] [Indexed: 02/08/2023]
Abstract
INTRODUCTION There is a short time window (4.5 h) for the effective treatment of acute ischemic stroke (AIS), which uses recombinant tissue plasminogen activator (rt-PA). Unfortunately, this short therapeutic timeframe is a contributing factor to the relatively small number of patients (~7%) that receive rt-PA. While neuroimaging is the major diagnostic for AIS, more timely decisions could be made using a molecular diagnostic. AREAS COVERED In this review, we survey neuroimaging techniques used to diagnose stroke and their limitations. We also highlight the potential of various molecular/cellular biomarkers, especially peripheral blood-based (i.e. liquid biopsy) biomarkers, for diagnosing stroke to allow for precision decisions on managing stroke in a timely manner. Both protein and nucleic acid molecular biomarkers are reviewed. In particular, mRNA markers are discussed for AIS and hemorrhagic stroke diagnosis sourced from both cells and extracellular vesicles. EXPERT OPINION While there are a plethora of molecular markers for stroke diagnosis that have been reported, they have yet to be FDA-cleared. Possible reasons include the inability for these markers to appear in sufficient quantities for highly sensitive clinical decisions within the rt-PA therapeutic time.
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Affiliation(s)
- Harshani Wijerathne
- Department of Chemistry, The University of Kansas, Lawrence, KS, USA
- Center of BioModular Multiscale Systems for Precision Medicine, The University of Kansas, Lawrence, KS, USA
| | - Malgorzata A. Witek
- Department of Chemistry, The University of Kansas, Lawrence, KS, USA
- Center of BioModular Multiscale Systems for Precision Medicine, The University of Kansas, Lawrence, KS, USA
- Department of Cancer Biology and KU Cancer Center, University of Kansas Medical Center, Cancer Center, Kansas City, KS, USA
| | - Alison E. Baird
- Department of Neurology, SUNY Downstate Medical Center, Brooklyn, NY, USA
| | - Steven A. Soper
- Department of Chemistry, The University of Kansas, Lawrence, KS, USA
- Center of BioModular Multiscale Systems for Precision Medicine, The University of Kansas, Lawrence, KS, USA
- Department of Cancer Biology and KU Cancer Center, University of Kansas Medical Center, Cancer Center, Kansas City, KS, USA
- Bio Engineering Program, The University of Kansas, Lawrence, KS, USA
- Department of Mechanical Engineering, The University of Kansas, Lawrence, KS, USA
- Biofluidica, Inc, San Diego, CA, USA
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Anderson TN, Hinson HE. Damaged: Elevated GFAP and UCH-L1 as the Black Flag of Brain Injury. Resuscitation 2020; 154:110-111. [PMID: 32652118 DOI: 10.1016/j.resuscitation.2020.07.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Accepted: 07/01/2020] [Indexed: 02/08/2023]
Affiliation(s)
| | - Holly E Hinson
- Oregon Health & Science University Portland, OR, United States.
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O'Connell GC, Alder ML, Smothers CG, Still CH, Webel AR, Moore SM. Diagnosis of ischemic stroke using circulating levels of brain-specific proteins measured via high-sensitivity digital ELISA. Brain Res 2020; 1739:146861. [PMID: 32353434 DOI: 10.1016/j.brainres.2020.146861] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 03/26/2020] [Accepted: 04/25/2020] [Indexed: 12/31/2022]
Abstract
Limited lower detection ranges associated with traditional immunoassay techniques have prevented the use of brain-specific proteins as blood biomarkers of stroke in the acute phase of care, as these proteins are often only present in circulation at low concentrations. Digital ELISA is a newly developed technique with allows for quantification of proteins in biofluids with up to 1000 times greater sensitivity than conventional ELISA techniques. The purpose of this study was to determine whether the extended lower limits of detection associated with digital ELISA could enable the use of brain-specific proteins as blood biomarkers of ischemic stroke during triage. Blood was sampled from ischemic stroke patients (n = 14) at emergency department admission, as well as from neurologically normal controls matched in terms of risk factors for cardiovascular disease (n = 33). Plasma levels of two brain-specific axonal proteins, neurofilament light chain (NfL) and tau, were measured via digital ELISA, and receiver-operating characteristic analysis was used to determine their ability to discriminate between groups. Plasma levels of NfL and tau were both significantly elevated in stroke patients versus controls, and could respectively discriminate between groups with 92.9% sensitivity / 84.9% specificity, and 85.7% sensitivity / 54.6% specificity. Furthermore, adjustment of measured NfL and Tau levels according to the lower-limits of detection associated with commercially-available conventional ELISA assays resulted in a dramatic and statistically significant decrease in diagnostic performance. Collectively, our results suggest that the increased analytical sensitivity of digital ELISA could enable the use of brain-specific proteins as blood biomarkers of ischemic stroke during triage.
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Affiliation(s)
- Grant C O'Connell
- School of Nursing, Case Western Reserve University, Cleveland, OH, United States.
| | - Megan L Alder
- School of Nursing, Case Western Reserve University, Cleveland, OH, United States
| | - Christine G Smothers
- School of Nursing, Case Western Reserve University, Cleveland, OH, United States
| | - Carolyn H Still
- School of Nursing, Case Western Reserve University, Cleveland, OH, United States
| | - Allison R Webel
- School of Nursing, Case Western Reserve University, Cleveland, OH, United States
| | - Shirley M Moore
- School of Nursing, Case Western Reserve University, Cleveland, OH, United States
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41
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Chen CH, Cheng YW, Chen YF, Tang SC, Jeng JS. Plasma neurofilament light chain and glial fibrillary acidic protein predict stroke in CADASIL. J Neuroinflammation 2020; 17:124. [PMID: 32321529 PMCID: PMC7175500 DOI: 10.1186/s12974-020-01813-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 04/13/2020] [Indexed: 12/13/2022] Open
Abstract
Background Stroke remains the most cumbersome disease burden in patients with cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL). This study aimed to investigate whether plasma biomarkers can reflect disease severity and predict stroke recurrence in CADASIL patients. Methods Sixty-three CADASIL patients (mean age 58.9 ± 9.3 years old, male 63%) from a multicenter registry and 17 controls were recruited. Plasma biomarkers, namely neurofilament light chain (NfL), glial fibrillary acidic protein (GFAP), tau, and ubiquitin carboxy-terminal hydrolase L1 (UCHL1), were measured using an ultra-sensitive single molecule array at baseline. Neuroimaging markers assessed included the Fazekas scale of white matter hyperintensity, numbers of lacunes, and cerebral microbleeds (CMBs). Cox proportional hazards regression models were applied to calculate the hazard ratio (HR) of plasma biomarkers at baseline for predicting incident stroke during follow-up. Results Plasma NfL, GFAP, and UCHL1 levels were significantly elevated in the CADASIL patients than in the controls. Among the CADASIL patients, both plasma NfL and GFAP levels positively correlated with the numbers of CMBs (r = 0.32 and r = 0.37, respectively; both p < 0.05). Higher plasma levels of NfL and GFAP were associated with any stroke (odds ratio 2.02, 95% confidence interval [CI] 1.06–3.87) and ICH (odds ratio 2.06, 95% CI 1.26–3.35) at baseline, respectively. Within a mean follow-up period of 3.1 ± 2.1 years, 10 patients (16%) had incident stroke and 6 of them were ICH. Higher baseline NfL (HR 1.93, 95% CI 1.19–3.13) predicted any incident stroke, whereas higher GFAP (HR 2.80, 95% CI 1.21–6.53) predicted incident ICH. Conclusions In CADASIL patients, plasma NfL can be a promising biomarker for monitoring incident stroke, whereas GFAP may have a role in cerebral hemorrhage.
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Affiliation(s)
- Chih-Hao Chen
- Stroke Center and Department of Neurology, National Taiwan University Hospital, No. 7, Chung-Shan South Road, Taipei, 10055, Taiwan.,Graduate Institute of Epidemiology and Preventive Medicine (CHC), College of Public Health, National Taiwan University, Taipei, Taiwan
| | - Yu-Wen Cheng
- Department of Neurology, National Taiwan University Hospital Hsinchu Branch, Hsinchu, Taiwan
| | - Ya-Fang Chen
- Department of Medical Imaging (YFC), National Taiwan University Hospital, Taipei, Taiwan
| | - Sung-Chun Tang
- Stroke Center and Department of Neurology, National Taiwan University Hospital, No. 7, Chung-Shan South Road, Taipei, 10055, Taiwan.
| | - Jiann-Shing Jeng
- Stroke Center and Department of Neurology, National Taiwan University Hospital, No. 7, Chung-Shan South Road, Taipei, 10055, Taiwan
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42
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Mondello S, Salama MM, Mohamed WMY, Kobeissy FH. Editorial: Biomarkers in Neurology. Front Neurol 2020; 11:190. [PMID: 32256443 PMCID: PMC7093560 DOI: 10.3389/fneur.2020.00190] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Accepted: 02/28/2020] [Indexed: 11/13/2022] Open
Affiliation(s)
- Stefania Mondello
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina, Italy
| | - Mohamed Mosaad Salama
- Institute of Global Health and Human Ecology, American University in Cairo, Cairo, Egypt
| | - Wael M Y Mohamed
- Clinical Pharmacology Department, Menoufia Medical School, Menoufia University, Al Minufya, Egypt.,Department of Basic Medical Science, Kulliyyah of Medicine, International Islamic University, Kuantan, Malaysia
| | - Firas H Kobeissy
- Department of Emergency Medicine, University of Florida, Gainesville, FL, United States.,Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
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43
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Szwed K, Słomka A, Pawliszak W, Szwed M, Anisimowicz L, Żekanowska E, Borkowska A. Novel Markers for Predicting Type 2 Neurologic Complications of Coronary Artery Bypass Grafting. Ann Thorac Surg 2019; 110:599-607. [PMID: 31863758 DOI: 10.1016/j.athoracsur.2019.10.071] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 08/06/2019] [Accepted: 10/21/2019] [Indexed: 01/24/2023]
Abstract
BACKGROUND Type 2 neurologic complications of coronary artery bypass grafting (CABG) include postoperative cognitive dysfunction and delirium. Although relevant clinically, they are rarely properly recognized outside of dedicated research setting, as their identification is complex and time-consuming. The aim of this study was to examine the diagnostic potential of 4 novel brain-injury biomarkers for predicting these sequelae at the completion of off-pump CABG. METHODS A total of 100 consecutive patients scheduled for elective isolated off-pump CABG were enrolled. Control group of patients without neurological complications (n = 48) was compared separately to study groups diagnosed with postoperative cognitive dysfunction (n = 39) and delirium (n = 26). Serum concentrations of glial fibrillary acidic protein, neuroserpin, phosphorylated axonal neurofilament subunit H, and visinin-like protein 1 were evaluated at baseline, end of surgery, as well as on postoperative day 1 and 7. RESULTS Increased end of surgery to baseline ratio of neuroserpin predicted the occurrence of both postoperative cognitive dysfunction (area under the curve = 0.655, 95% confidence interval 0.54-0.77) and delirium (area under curve = 0.643, 95% confidence interval 0.52-0.77). Concentrations of neuroserpin were significantly higher on postoperative day 7 compared with end of surgery and postoperative day 1 in all groups. CONCLUSIONS Among novel biochemical markers of brain damage, neuroserpin may be a promising predictor of type 2 neurological complications and may express neuroregeneration after off-pump CABG, whereas glial fibrillary acidic protein, phosphorylated axonal neurofilament subunit H, and visinin-like protein 1 may not be suitable for this clinical setting.
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Affiliation(s)
- Krzysztof Szwed
- Department of Clinical Neuropsychology, Nicolaus Copernicus University, Collegium Medicum, Bydgoszcz, Poland.
| | - Artur Słomka
- Department of Pathophysiology, Nicolaus Copernicus University, Collegium Medicum, Bydgoszcz, Poland
| | - Wojciech Pawliszak
- Department of Cardiac Surgery, Nicolaus Copernicus University, Collegium Medicum, Bydgoszcz, Poland
| | - Magdalena Szwed
- Department of Clinical Neuropsychology, Nicolaus Copernicus University, Collegium Medicum, Bydgoszcz, Poland
| | - Lech Anisimowicz
- Department of Cardiac Surgery, Nicolaus Copernicus University, Collegium Medicum, Bydgoszcz, Poland
| | - Ewa Żekanowska
- Department of Pathophysiology, Nicolaus Copernicus University, Collegium Medicum, Bydgoszcz, Poland
| | - Alina Borkowska
- Department of Clinical Neuropsychology, Nicolaus Copernicus University, Collegium Medicum, Bydgoszcz, Poland
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44
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Kamtchum-Tatuene J, Jickling GC. Blood Biomarkers for Stroke Diagnosis and Management. Neuromolecular Med 2019; 21:344-368. [PMID: 30830566 PMCID: PMC6722038 DOI: 10.1007/s12017-019-08530-0] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Accepted: 02/19/2019] [Indexed: 12/20/2022]
Abstract
Biomarkers are objective indicators used to assess normal or pathological processes, evaluate responses to treatment and predict outcomes. Many blood biomarkers already guide decision-making in clinical practice. In stroke, the number of candidate biomarkers is constantly increasing. These biomarkers include proteins, ribonucleic acids, lipids or metabolites. Although biomarkers have the potential to improve the diagnosis and the management of patients with stroke, there is currently no marker that has demonstrated sufficient sensitivity, specificity, rapidity, precision, and cost-effectiveness to be used in the routine management of stroke, thus highlighting the need for additional work. A better standardization of clinical, laboratory and statistical procedures between centers is indispensable to optimize biomarker performance. This review focuses on blood biomarkers that have shown promise for translation into clinical practice and describes some newly reported markers that could add to routine stroke care. Avenues for the discovery of new stroke biomarkers and future research are discussed. The description of the biomarkers is organized according to their expected application in clinical practice: diagnosis, treatment decision, and outcome prediction.
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Affiliation(s)
- Joseph Kamtchum-Tatuene
- Neuroscience and Mental Health Institute, Faculty of Medicine and Dentistry, University of Alberta, 4-120 Katz Building, 114 Street & 87 Avenue, Edmonton, AB, T6G 2E1, Canada.
| | - Glen C Jickling
- Neuroscience and Mental Health Institute, Faculty of Medicine and Dentistry, University of Alberta, 4-120 Katz Building, 114 Street & 87 Avenue, Edmonton, AB, T6G 2E1, Canada
- Division of Neurology, Department of Medicine, University of Alberta, Edmonton, Canada
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Kumar A, Misra S, Yadav AK, Sagar R, Verma B, Grover A, Prasad K. Role of glial fibrillary acidic protein as a biomarker in differentiating intracerebral haemorrhage from ischaemic stroke and stroke mimics: a meta-analysis. Biomarkers 2019; 25:1-8. [DOI: 10.1080/1354750x.2019.1691657] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Amit Kumar
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - Shubham Misra
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - Arun Kumar Yadav
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - Ram Sagar
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - Bhawna Verma
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - Ashoo Grover
- Indian Council for Medical Research, New Delhi, India
| | - Kameshwar Prasad
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
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Jonesco DS, Hassager C, Frydland M, Kjærgaard J, Karsdal M, Henriksen K. A caspase-6-cleaved fragment of Glial Fibrillary Acidic Protein as a potential serological biomarker of CNS injury after cardiac arrest. PLoS One 2019; 14:e0224633. [PMID: 31693684 PMCID: PMC6834260 DOI: 10.1371/journal.pone.0224633] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Accepted: 10/17/2019] [Indexed: 12/31/2022] Open
Abstract
Blood levels of Glial Fibrillary Acidic protein (GFAP) reflect processes associated with different types of CNS injury. Evidence suggests that GFAP is cleaved by caspases during CNS injury, hence positioning GFAP fragments as potential biomarkers of injury-associated processes. We set out to develop an assay detecting the neo-epitope generated by caspase-6 cleavage of GFAP (GFAP-C6), and to assess the ability of GFAP-C6 to reflect pathological processes in patients suffering a cardiac arrest and subsequent global cerebral ischemia. Anti-GFAP-C6 antibodies recognized their specific target sequence, and dilution and spike recoveries in serum were within limits of ±20% reflecting high precision and accuracy of measurements. Intra- and inter-assay CVs were below limits of 10% and 15%, respectively. Serological levels of GFAP-C6 were significantly elevated 72 hours after CA (Mean±SD) (20.39±10.59 ng/mL) compared to time of admission (17.79±10.77 ng/mL, p<0.0001), 24 hours (17.40±7.99 ng/mL, p<0.0001) and 48 hours (17.87±8.56 ng/mL, p<0.0001) after CA, but were not related to neurological outcome at day 180. GFAP-C6 levels at admission, 24, 48, and 72 hours after cardiac arrest correlated with two proteolytic fragments of tau, tau-A (r = 0.30, r = 0.40, r = 0.50, r = 0.53, p < 0.0001) and tau-C (r = 54, r = 0.48, r = 0.55, r = 0.54, p < 0.0001), respectively. GFAP-C6 levels did not correlate with other markers of CNS damage; total tau, NSE and S100B. In conclusion, we developed the first assay detecting a caspase-6 cleaved fragment of GFAP in blood. Increased levels at 72 hours after cardiac arrest as well as moderate correlations between GFAP-C6 and two other blood biomarkers of neurodegeneration suggest the ability of GFAP-C6 to reflect pathological processes of the injured brain. Investigations into the potential of GFAP-C6 in other types of CNS injury are warranted.
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Affiliation(s)
- Ditte S. Jonesco
- Biomarkers & Research, Nordic Bioscience, Herlev, Denmark
- * E-mail:
| | - Christian Hassager
- Department of Cardiology B, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Martin Frydland
- Department of Cardiology B, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Jesper Kjærgaard
- Department of Cardiology B, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Morten Karsdal
- Biomarkers & Research, Nordic Bioscience, Herlev, Denmark
| | - Kim Henriksen
- Biomarkers & Research, Nordic Bioscience, Herlev, Denmark
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Chmielewska N, Maciejak P, Turzyńska D, Sobolewska A, Wisłowska-Stanek A, Kołosowska K, Płaźnik A, Szyndler J. The role of UCH-L1, MMP-9, and GFAP as peripheral markers of different susceptibility to seizure development in a preclinical model of epilepsy. J Neuroimmunol 2019; 332:57-63. [PMID: 30952062 DOI: 10.1016/j.jneuroim.2019.03.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 03/06/2019] [Accepted: 03/28/2019] [Indexed: 01/03/2023]
Abstract
In our study, we assessed the potency of the brain-derived proteins ubiquitin carboxy-terminal hydrolase L1 (UCH-L1), matrix metalloproteinase 9 (MMP-9), glial fibrillary acidic protein (GFAP) and the immune activation indicators interleukin 1β (IL-1β) and interleukin 6 (IL-6) as peripheral biomarkers of different susceptibilities to kindling in a preclinical model. We observed increased plasma UCH-L1 levels in kindled vs. control animals. Furthermore, MMP-9 and IL-1β concentrations were the lowest in rats resistant to kindling. In summary, UCH-L1 is an indicator of neuronal loss and BBB disruption after seizure. MMP-9 and IL-1β may indicate resistance to kindling. UCH-L1, MMP-9 and IL-1β may have utility as peripheral biomarkers with translational potency in the clinic.
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Affiliation(s)
- Natalia Chmielewska
- Department of Neurochemistry, Institute of Psychiatry and Neurology, Sobieskiego Street 9, 02-957 Warsaw, Poland.
| | - Piotr Maciejak
- Department of Neurochemistry, Institute of Psychiatry and Neurology, Sobieskiego Street 9, 02-957 Warsaw, Poland; Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology CePT, Medical University of Warsaw, Banacha 1B, 02-097 Warsaw, Poland
| | - Danuta Turzyńska
- Department of Neurochemistry, Institute of Psychiatry and Neurology, Sobieskiego Street 9, 02-957 Warsaw, Poland
| | - Alicja Sobolewska
- Department of Neurochemistry, Institute of Psychiatry and Neurology, Sobieskiego Street 9, 02-957 Warsaw, Poland
| | - Aleksandra Wisłowska-Stanek
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology CePT, Medical University of Warsaw, Banacha 1B, 02-097 Warsaw, Poland
| | - Karolina Kołosowska
- Department of Neurochemistry, Institute of Psychiatry and Neurology, Sobieskiego Street 9, 02-957 Warsaw, Poland
| | - Adam Płaźnik
- Department of Neurochemistry, Institute of Psychiatry and Neurology, Sobieskiego Street 9, 02-957 Warsaw, Poland; Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology CePT, Medical University of Warsaw, Banacha 1B, 02-097 Warsaw, Poland
| | - Janusz Szyndler
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology CePT, Medical University of Warsaw, Banacha 1B, 02-097 Warsaw, Poland
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48
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Pang L, Liu J, Li W, Xia Y, Xing J. Serum ubiquitin C-terminal hydrolase L1 predicts cognitive impairment in patients with acute organophosphorus pesticide poisoning. J Clin Lab Anal 2019; 33:e22947. [PMID: 31199012 PMCID: PMC6757117 DOI: 10.1002/jcla.22947] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 04/25/2019] [Accepted: 05/18/2019] [Indexed: 01/02/2023] Open
Abstract
BACKGROUND To assess the usefulness of serum C-terminal hydrolase L1 (UCH-L1) level as a biomarker for predicting cognitive impairment in patients with acute organophosphorus pesticide poisoning (AOPP). METHODS Two hundred and seven adult patients with AOPP were included in this study. Serum UCH-L1 levels were assessed on admission (Day 1 postpoisoning) and on Days 3 and 7 postpoisoning. The associations between serum UCH-L1 levels, other clinical predictors, and cognitive function evaluated on Day 30 postpoisoning were investigated. RESULTS On multivariate analysis, serum UCH-L1 levels on admission (odds ratio [OR] 1.889, 95% confidence interval [CI] 1.609-3.082, P = 0.002) and 24-hour APACHE II score (OR 1.736, 95% CI 1.264-3.272, P = 0.012) were independent predictors of cognitive impairment on Day 30 postpoisoning. Based on the receiver operating characteristic curve, serum UCH-L1 levels >5.9 ng/mL on admission predicted cognitive impairment on Day 30 postpoisoning with 86.1% sensitivity and 72.5% specificity (area under the curve, 0.869; 95% CI 0.815-0.923). On admission [8.51 (6.53-10.22) ng/mL vs 4.25 (2.57-6.31) ng/mL, P < 0.001] and Day 3 [9.31 (7.92-10.98) ng/mL vs 3.32 (2.25-5.13) ng/mL, P < 0.001] and Day 7 [4.96 (3.28-7.26) ng/mL vs 2.27 (1.55-3.24) ng/mL, P < 0.001] postpoisoning, serum UCH-L1 concentration was significantly higher in patients that developed cognitive impairment compared to those that did not. CONCLUSION This study demonstrates that serum UCH-L1 level has potential as a novel biomarker for predicting cognitive impairment 30 days after AOPP.
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Affiliation(s)
- Li Pang
- Department of Emergency, The First Hospital of Jilin University, Changchun, China
| | - Junlan Liu
- Department of Emergency, The First Hospital of Jilin University, Changchun, China
| | - Wei Li
- Department of Emergency, The First Hospital of Jilin University, Changchun, China
| | - Yan Xia
- Department of Gastroenterology, The First Hospital of Jilin University, Changchun, China
| | - Jihong Xing
- Department of Emergency, The First Hospital of Jilin University, Changchun, China
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Puspitasari V, Gunawan PY, Wiradarma HD, Hartoyo V. Glial Fibrillary Acidic Protein Serum Level as a Predictor of Clinical Outcome in Ischemic Stroke. Open Access Maced J Med Sci 2019; 7:1471-1474. [PMID: 31198457 PMCID: PMC6542382 DOI: 10.3889/oamjms.2019.326] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 04/23/2019] [Accepted: 04/24/2019] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Glial Fibrillary Acidic Protein (GFAP) is a protein produced by astrocytes in response to brain injury, which then penetrates the cerebrospinal fluid and the blood stream. AIM We sought to determine whether GFAP serum level in acute ischemic stroke could predict clinical outcome. METHODS As much as 64 patients with first-ever ischemic stroke had their GFAP serum level measured at 72 hours after onset. The National Institute of Health Stroke Scale (NIHSS) was assessed during the 72 hours of onset, the seventh day, and followed up 1 month after. RESULTS There were 46 men and 18 women included in the study. Mean age was 58.3 years old, and nearly half of them (46.9%) were between 50-59 years old. More than half (58.7%) presented with moderate to a severe stroke and mean GFAP serum level was 0.113 ± 0.029 ng/mL. GFAP serum levels had a significant correlation with NIHSS after 1 month (p = 0.04, r = 0.259). CONCLUSION There is a significant correlation between GFAP serum levels with stroke severity scale after 1 month of stroke onset.
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50
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Morrison HW, Filosa JA. Stroke and the neurovascular unit: glial cells, sex differences, and hypertension. Am J Physiol Cell Physiol 2019; 316:C325-C339. [PMID: 30601672 DOI: 10.1152/ajpcell.00333.2018] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
A functional neurovascular unit (NVU) is central to meeting the brain's dynamic metabolic needs. Poststroke damage to the NVU within the ipsilateral hemisphere ranges from cell dysfunction to complete cell loss. Thus, understanding poststroke cell-cell communication within the NVU is of critical importance. Loss of coordinated NVU function exacerbates ischemic injury. However, particular cells of the NVU (e.g., astrocytes) and those with ancillary roles (e.g., microglia) also contribute to repair mechanisms. Epidemiological studies support the notion that infarct size and recovery outcomes are heterogeneous and greatly influenced by modifiable and nonmodifiable factors such as sex and the co-morbid condition common to stroke: hypertension. The mechanisms whereby sex and hypertension modulate NVU function are explored, to some extent, in preclinical laboratory studies. We present a review of the NVU in the context of ischemic stroke with a focus on glial contributions to NVU function and dysfunction. We explore the impact of sex and hypertension as modifiable and nonmodifiable risk factors and the underlying cellular mechanisms that may underlie heterogeneous stroke outcomes. Most of the preclinical investigative studies of poststroke NVU dysfunction are carried out primarily in male stroke models lacking underlying co-morbid conditions, which is very different from the human condition. As such, the evolution of translational medicine to target the NVU for improved stroke outcomes remains elusive; however, it is attainable with further research.
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