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Coulton JB, He Y, Barthélemy NR, Jiang H, Holtzman DM, Bateman RJ. Multi-peptide characterization of plasma neurofilament light chain in preclinical and mild Alzheimer's disease. Brain Commun 2024; 6:fcae247. [PMID: 39165480 PMCID: PMC11334934 DOI: 10.1093/braincomms/fcae247] [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: 11/03/2023] [Revised: 03/18/2024] [Accepted: 08/15/2024] [Indexed: 08/22/2024] Open
Abstract
Although neurofilament light chain is a well-known marker of neuronal damage, its characterization at the proteoform level is underdeveloped. Here, we describe a new method to profile and quantify neurofilament light chain in plasma at the peptide level, using three in-house monoclonal antibodies targeting distinct protein domains and nano-liquid chromatography coupled to high-resolution tandem mass spectrometry. This study profiled and compared plasma neurofilament light chain to CSF in 102 older individuals (73.9 ± 6.3 years old), 37 of which had a clinical dementia rating greater than 0. We observed elevated neurofilament light chain in preclinical Alzheimer's disease plasma for two measures (NfL101 and NfL324) and CSF for seven measures (NfL92, NfL101, NfL117, NfL137, NfL148, NfL165 and NfL530). We found five plasma peptides (NfL92, NfL101, NfL117, NfL324 and NfL530) significantly associated with age and two (NfL148 and NfL324) with body mass index.
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Affiliation(s)
- John B Coulton
- Department of Neurology, Washington University School of Medicine, St. Louis, MO 63110, USA
- Tracy Family SILQ Center, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Yingxin He
- Department of Neurology, Washington University School of Medicine, St. Louis, MO 63110, USA
- Tracy Family SILQ Center, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Nicolas R Barthélemy
- Department of Neurology, Washington University School of Medicine, St. Louis, MO 63110, USA
- Tracy Family SILQ Center, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Hong Jiang
- Department of Neurology, Washington University School of Medicine, St. Louis, MO 63110, USA
- Knight Alzheimer’s Disease Research Center, Washington University School of Medicine, St. Louis, MO 63108, USA
- Hope Center for Neurological Disorders, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - David M Holtzman
- Department of Neurology, Washington University School of Medicine, St. Louis, MO 63110, USA
- Knight Alzheimer’s Disease Research Center, Washington University School of Medicine, St. Louis, MO 63108, USA
- Hope Center for Neurological Disorders, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Randall J Bateman
- Department of Neurology, Washington University School of Medicine, St. Louis, MO 63110, USA
- Tracy Family SILQ Center, Washington University School of Medicine, St. Louis, MO 63110, USA
- Knight Alzheimer’s Disease Research Center, Washington University School of Medicine, St. Louis, MO 63108, USA
- Hope Center for Neurological Disorders, Washington University School of Medicine, St. Louis, MO 63110, USA
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Silvestro S, Raffaele I, Quartarone A, Mazzon E. Innovative Insights into Traumatic Brain Injuries: Biomarkers and New Pharmacological Targets. Int J Mol Sci 2024; 25:2372. [PMID: 38397046 PMCID: PMC10889179 DOI: 10.3390/ijms25042372] [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: 01/16/2024] [Revised: 02/08/2024] [Accepted: 02/15/2024] [Indexed: 02/25/2024] Open
Abstract
A traumatic brain injury (TBI) is a major health issue affecting many people across the world, causing significant morbidity and mortality. TBIs often have long-lasting effects, disrupting daily life and functionality. They cause two types of damage to the brain: primary and secondary. Secondary damage is particularly critical as it involves complex processes unfolding after the initial injury. These processes can lead to cell damage and death in the brain. Understanding how these processes damage the brain is crucial for finding new treatments. This review examines a wide range of literature from 2021 to 2023, focusing on biomarkers and molecular mechanisms in TBIs to pinpoint therapeutic advancements. Baseline levels of biomarkers, including neurofilament light chain (NF-L), ubiquitin carboxy-terminal hydrolase-L1 (UCH-L1), Tau, and glial fibrillary acidic protein (GFAP) in TBI, have demonstrated prognostic value for cognitive outcomes, laying the groundwork for personalized treatment strategies. In terms of pharmacological progress, the most promising approaches currently target neuroinflammation, oxidative stress, and apoptotic mechanisms. Agents that can modulate these pathways offer the potential to reduce a TBI's impact and aid in neurological rehabilitation. Future research is poised to refine these therapeutic approaches, potentially revolutionizing TBI treatment.
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Affiliation(s)
| | | | | | - Emanuela Mazzon
- IRCCS Centro Neurolesi Bonino Pulejo, Via Provinciale Palermo, SS 113, Contrada Casazza, 98124 Messina, Italy; (S.S.); (I.R.); (A.Q.)
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Tang TZ, Zhao Y, Agarwal D, Tharzeen A, Patrikeev I, Zhang Y, DeJesus J, Bossmann SH, Natarajan B, Motamedi M, Szczesny B. Serum amyloid A and mitochondrial DNA in extracellular vesicles are novel markers for detecting traumatic brain injury in a mouse model. iScience 2024; 27:108932. [PMID: 38323004 PMCID: PMC10844832 DOI: 10.1016/j.isci.2024.108932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 12/06/2023] [Accepted: 01/12/2024] [Indexed: 02/08/2024] Open
Abstract
This study investigates the potential use of circulating extracellular vesicles' (EVs) DNA and protein content as biomarkers for traumatic brain injury (TBI) in a mouse model. Despite an overall decrease in EVs count during the acute phase, there was an increased presence of exosomes (CD63+ EVs) during acute and an increase in microvesicles derived from microglia/macrophages (CD11b+ EVs) and astrocytes (ACSA-2+ EVs) in post-acute TBI phases, respectively. Notably, mtDNA exhibited an immediate elevation post-injury. Neuronal (NFL) and microglial (Iba1) markers increased in the acute, while the astrocyte marker (GFAP) increased in post-acute TBI phases. Novel protein biomarkers (SAA, Hp, VWF, CFD, CBG) specific to different TBI phases were also identified. Biostatistical modeling and machine learning identified mtDNA and SAA as decisive markers for TBI detection. These findings emphasize the importance of profiling EVs' content and their dynamic release as an innovative diagnostic approach for TBI in liquid biopsies.
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Affiliation(s)
- Tony Z. Tang
- Department of Ophthalmology and Visual Sciences, University of Texas Medical Branch, Galveston, TX, USA
| | - Yingxin Zhao
- Department of Internal Medicine, University of Texas Medical Branch, Galveston, TX, USA
| | - Deepesh Agarwal
- Department of Electrical and Computer Engineering, Kansas State University, Manhattan, KS, USA
| | - Aabila Tharzeen
- Department of Electrical and Computer Engineering, Kansas State University, Manhattan, KS, USA
| | - Igor Patrikeev
- Department of Ophthalmology and Visual Sciences, University of Texas Medical Branch, Galveston, TX, USA
| | - Yuanyi Zhang
- Department of Office of Biostatistics, University of Texas Medical Branch, Galveston, TX, USA
| | - Jana DeJesus
- Department of Surgery, University of Texas Medical Branch, Galveston, TX, USA
| | - Stefan H. Bossmann
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS, USA
| | | | - Massoud Motamedi
- Department of Ophthalmology and Visual Sciences, University of Texas Medical Branch, Galveston, TX, USA
| | - Bartosz Szczesny
- Department of Ophthalmology and Visual Sciences, University of Texas Medical Branch, Galveston, TX, USA
- Department of Anesthesiology, University of Texas Medical Branch, Galveston, TX, USA
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Edwards KA, Lange RT, Lippa SM, Brickell TA, Gill JM, French LM. Serum GFAP, NfL, and tau concentrations are associated with worse neurobehavioral functioning following mild, moderate, and severe TBI: a cross-sectional multiple-cohort study. Front Neurol 2024; 14:1223960. [PMID: 38292036 PMCID: PMC10826119 DOI: 10.3389/fneur.2023.1223960] [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: 05/16/2023] [Accepted: 10/05/2023] [Indexed: 02/01/2024] Open
Abstract
Introduction The purpose of this study was to examine whether blood-based biomarkers associate with neurobehavioral functioning at three time points following traumatic brain injury (TBI). Materials and methods Participants were 328 United States service members and veterans (SMVs) prospectively enrolled in the Defense and Veterans Brain Injury Center-Traumatic Brain Injury Center of Excellence (DVBIC-TBICoE) 15-Year Longitudinal TBI Study, recruited into three groups: uncomplicated mild TBI (MTBI, n = 155); complicated mild, moderate, severe TBI combined (STBI, n = 97); non-injured controls (NIC, n = 76). Participants were further divided into three cohorts based on time since injury (≤12 months, 3-5 years, and 8-10 years). Participants completed the Minnesota Multiphasic Personality Inventory-2-Restructured Format (MMPI-2-RF) and underwent blood draw to measure serum concentrations of glial fibrillary acidic protein (GFAP), neurofilament light (NfL), and tau. A total of 11 MMPI-2-RF scales were examined (e.g., depression, anxiety, anger, somatic, cognitive symptoms). Stepwise hierarchical regression models were conducted within each group. Results Significant associations were found between biomarkers and MMPI-2-RF scales (all p < 0.05; R2Δ > 0.10). GFAP was inversely related to (a) neurological complaints in the MTBI group at ≤12 months, (b) demoralization, anger proneness in the STBI group at ≤12 months, and (c) head pain complaints in the STBI group at 8-10 years. NfL was (a) related to low positive emotions in the NIC group; and inversely related to (b) demoralization, somatic complaints, neurological complaints, cognitive complaints in the MTBI group at ≤12 months, (c) demoralization in the STBI group at ≤12 months, and (d) demoralization, head pain complaints, stress/worry in the STBI group at 3-5 years. In the STBI group, there were meaningful findings (R2Δ > 0.10) for tau, NFL, and GFAP that did not reach statistical significance. Discussion Results indicate worse scores on some MMPI-2-RF scales (e.g., depression, stress/worry, neurological and head pain complaints) were associated with lower concentrations of serum GFAP, NfL, and tau in the sub-acute and chronic phase of the recovery trajectory up to 5 years post-injury, with a reverse trend observed at 8-10 years. Longitudinal studies are needed to help elucidate any patterns of association between blood-based biomarkers and neurobehavioral outcome over the recovery trajectory following TBI.
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Affiliation(s)
- Katie A. Edwards
- School of Nursing, Johns Hopkins University, Baltimore, MD, United States
| | - Rael T. Lange
- Traumatic Brain Injury Center of Excellence, Silver Spring, MD, United States
- Walter Reed National Military Medical Center, Bethesda, MD, United States
- National Intrepid Center of Excellence, Bethesda, MD, United States
- General Dynamics Information Technology, Silver Spring, MD, United States
- Department of Psychiatry, University of British Columbia, Vancouver, BC, Canada
- Department of Physical Medicine and Rehabilitation, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
| | - Sara M. Lippa
- Walter Reed National Military Medical Center, Bethesda, MD, United States
- National Intrepid Center of Excellence, Bethesda, MD, United States
- Department of Neuroscience, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
| | - Tracey A. Brickell
- Traumatic Brain Injury Center of Excellence, Silver Spring, MD, United States
- Walter Reed National Military Medical Center, Bethesda, MD, United States
- National Intrepid Center of Excellence, Bethesda, MD, United States
- General Dynamics Information Technology, Silver Spring, MD, United States
- Department of Physical Medicine and Rehabilitation, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
| | - Jessica M. Gill
- School of Nursing, Johns Hopkins University, Baltimore, MD, United States
| | - Louis M. French
- Traumatic Brain Injury Center of Excellence, Silver Spring, MD, United States
- Walter Reed National Military Medical Center, Bethesda, MD, United States
- National Intrepid Center of Excellence, Bethesda, MD, United States
- Department of Physical Medicine and Rehabilitation, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
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Gowthami N, Pursotham N, Dey G, Ghose V, Sathe G, Pruthi N, Shukla D, Gayathri N, Santhoshkumar R, Padmanabhan B, Chandramohan V, Mahadevan A, Srinivas Bharath MM. Neuroanatomical zones of human traumatic brain injury reveal significant differences in protein profile and protein oxidation: Implications for secondary injury events. J Neurochem 2023; 167:218-247. [PMID: 37694499 DOI: 10.1111/jnc.15953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Revised: 08/03/2023] [Accepted: 08/07/2023] [Indexed: 09/12/2023]
Abstract
Traumatic brain injury (TBI) causes significant neurological deficits and long-term degenerative changes. Primary injury in TBI entails distinct neuroanatomical zones, i.e., contusion (Ct) and pericontusion (PC). Their dynamic expansion could contribute to unpredictable neurological deterioration in patients. Molecular characterization of these zones compared with away from contusion (AC) zone is invaluable for TBI management. Using proteomics-based approach, we were able to distinguish Ct, PC and AC zones in human TBI brains. Ct was associated with structural changes (blood-brain barrier (BBB) disruption, neuroinflammation, axonal injury, demyelination and ferroptosis), while PC was associated with initial events of secondary injury (glutamate excitotoxicity, glial activation, accumulation of cytoskeleton proteins, oxidative stress, endocytosis) and AC displayed mitochondrial dysfunction that could contribute to secondary injury events and trigger long-term degenerative changes. Phosphoproteome analysis in these zones revealed that certain differentially phosphorylated proteins synergistically contribute to the injury events along with the differentially expressed proteins. Non-synaptic mitochondria (ns-mito) was associated with relatively more differentially expressed proteins (DEPs) compared to synaptosomes (Syn), while the latter displayed increased protein oxidation including tryptophan (Trp) oxidation. Proteomic analysis of immunocaptured complex I (CI) from Syn revealed increased Trp oxidation in Ct > PC > AC (vs. control). Oxidized W272 in the ND1 subunit of CI, revealed local conformational changes in ND1 and the neighboring subunits, as indicated by molecular dynamics simulation (MDS). Taken together, neuroanatomical zones in TBI show distinct protein profile and protein oxidation representing different primary and secondary injury events with potential implications for TBI pathology and neurological status of the patients.
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Affiliation(s)
- Niya Gowthami
- Department of Clinical Psychopharmacology and Neurotoxicology, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, Karnataka, India
| | - Nithya Pursotham
- Department of Clinical Psychopharmacology and Neurotoxicology, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, Karnataka, India
| | - Gourav Dey
- Proteomics and Bioinformatics Laboratory, Neurobiology Research Center, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, Karnataka, India
- Institute of Bioinformatics, Bengaluru, India
| | - Vivek Ghose
- Proteomics and Bioinformatics Laboratory, Neurobiology Research Center, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, Karnataka, India
- Institute of Bioinformatics, Bengaluru, India
| | - Gajanan Sathe
- Proteomics and Bioinformatics Laboratory, Neurobiology Research Center, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, Karnataka, India
- Institute of Bioinformatics, Bengaluru, India
| | - Nupur Pruthi
- Department of Neurosurgery, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, Karnataka, India
| | - Dhaval Shukla
- Department of Neurosurgery, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, Karnataka, India
| | - Narayanappa Gayathri
- Department of Neuropathology, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, Karnataka, India
| | - Rashmi Santhoshkumar
- Department of Neuropathology, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, Karnataka, India
| | - Balasundaram Padmanabhan
- Department of Biophysics, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, Karnataka, India
| | - Vivek Chandramohan
- Department of Biotechnology, Siddaganga Institute of Technology (SIT), Tumakuru, India
| | - Anita Mahadevan
- Department of Neuropathology, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, Karnataka, India
| | - M M Srinivas Bharath
- Department of Clinical Psychopharmacology and Neurotoxicology, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, Karnataka, India
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Li C, Chen S, Siedhoff HR, Grant D, Liu P, Balderrama A, Jackson M, Zuckerman A, Greenlief CM, Kobeissy F, Wang KW, DePalma RG, Cernak I, Cui J, Gu Z. Low-intensity open-field blast exposure effects on neurovascular unit ultrastructure in mice. Acta Neuropathol Commun 2023; 11:144. [PMID: 37674234 PMCID: PMC10481586 DOI: 10.1186/s40478-023-01636-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Accepted: 08/14/2023] [Indexed: 09/08/2023] Open
Abstract
Mild traumatic brain injury (mTBI) induced by low-intensity blast (LIB) is a serious health problem affecting military service members and veterans. Our previous reports using a single open-field LIB mouse model showed the absence of gross microscopic damage or necrosis in the brain, while transmission electron microscopy (TEM) identified ultrastructural abnormalities of myelin sheaths, mitochondria, and synapses. The neurovascular unit (NVU), an anatomical and functional system with multiple components, is vital for the regulation of cerebral blood flow and cellular interactions. In this study, we delineated ultrastructural abnormalities affecting the NVU in mice with LIB exposure quantitatively and qualitatively. Luminal constrictive irregularities were identified at 7 days post-injury (DPI) followed by dilation at 30 DPI along with degeneration of pericytes. Quantitative proteomic analysis identified significantly altered vasomotor-related proteins at 24 h post-injury. Endothelial cell, basement membrane and astrocyte end-foot swellings, as well as vacuole formations, occurred in LIB-exposed mice, indicating cellular edema. Structural abnormalities of tight junctions and astrocyte end-foot detachment from basement membranes were also noted. These ultrastructural findings demonstrate that LIB induces multiple-component NVU damage. Prevention of NVU damage may aid in identifying therapeutic targets to mitigate the effects of primary brain blast injury.
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Affiliation(s)
- Chao Li
- Department of Pathology & Anatomical Sciences, University of Missouri School of Medicine, One Hospital Drive, Medical Science Building, M741, Columbia, MO, 65212, USA
- Department of Rehabilitation Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510630, China
| | - Shanyan Chen
- Department of Pathology & Anatomical Sciences, University of Missouri School of Medicine, One Hospital Drive, Medical Science Building, M741, Columbia, MO, 65212, USA
- Truman VA Hospital Research Service, Columbia, MO, 65201, USA
| | - Heather R Siedhoff
- Department of Pathology & Anatomical Sciences, University of Missouri School of Medicine, One Hospital Drive, Medical Science Building, M741, Columbia, MO, 65212, USA
- Truman VA Hospital Research Service, Columbia, MO, 65201, USA
| | - DeAna Grant
- Electron Microscopy Core Facility, University of Missouri, Columbia, MO, 65211, USA
| | - Pei Liu
- Charles W. Gehrke Proteomic Center, University of Missouri, Columbia, MO, 65211, USA
| | - Ashley Balderrama
- Department of Pathology & Anatomical Sciences, University of Missouri School of Medicine, One Hospital Drive, Medical Science Building, M741, Columbia, MO, 65212, USA
- Truman VA Hospital Research Service, Columbia, MO, 65201, USA
| | - Marcus Jackson
- Department of Pathology & Anatomical Sciences, University of Missouri School of Medicine, One Hospital Drive, Medical Science Building, M741, Columbia, MO, 65212, USA
| | - Amitai Zuckerman
- Department of Pathology & Anatomical Sciences, University of Missouri School of Medicine, One Hospital Drive, Medical Science Building, M741, Columbia, MO, 65212, USA
- Truman VA Hospital Research Service, Columbia, MO, 65201, USA
| | - C Michael Greenlief
- Charles W. Gehrke Proteomic Center, University of Missouri, Columbia, MO, 65211, USA
| | - Firas Kobeissy
- Department of Neurobiology, Center for Neurotrauma, Multiomics & Biomarkers (CNMB), Neuroscience Institute, Morehouse School of Medicine, Atlanta, GA, 30310-1458, USA
- Atlanta VA Medical and Rehab Center, Decatur, GA, 30033, USA
| | - Kevin W Wang
- Department of Neurobiology, Center for Neurotrauma, Multiomics & Biomarkers (CNMB), Neuroscience Institute, Morehouse School of Medicine, Atlanta, GA, 30310-1458, USA
- Atlanta VA Medical and Rehab Center, Decatur, GA, 30033, USA
| | - Ralph G DePalma
- Office of Research and Development, Department of Veterans Affairs, Washington, DC, 20420, USA
- Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD, 20814, USA
| | - Ibolja Cernak
- Department of Biomedical Sciences, Mercer University School of Medicine, Macon, GA, 31207, USA
| | - Jiankun Cui
- Department of Pathology & Anatomical Sciences, University of Missouri School of Medicine, One Hospital Drive, Medical Science Building, M741, Columbia, MO, 65212, USA
- Truman VA Hospital Research Service, Columbia, MO, 65201, USA
| | - Zezong Gu
- Department of Pathology & Anatomical Sciences, University of Missouri School of Medicine, One Hospital Drive, Medical Science Building, M741, Columbia, MO, 65212, USA.
- Truman VA Hospital Research Service, Columbia, MO, 65201, USA.
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Chou ML, Babamale AO, Walker TL, Cognasse F, Blum D, Burnouf T. Blood-brain crosstalk: the roles of neutrophils, platelets, and neutrophil extracellular traps in neuropathologies. Trends Neurosci 2023; 46:764-779. [PMID: 37500363 DOI: 10.1016/j.tins.2023.06.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 06/17/2023] [Accepted: 06/29/2023] [Indexed: 07/29/2023]
Abstract
Systemic inflammation, neurovascular dysfunction, and coagulopathy often occur concurrently in neuropathologies. Neutrophils and platelets have crucial synergistic roles in thromboinflammation and are increasingly suspected as effector cells contributing to the pathogenesis of neuroinflammatory diseases. In this review, we summarize the roles of platelet-neutrophil interactions in triggering complex pathophysiological events affecting the brain that may lead to the disruption of brain barriers, infiltration of toxic factors into the parenchyma, and amplification of neuroinflammation through the formation of neutrophil extracellular traps (NETs). We highlight the clinical significance of thromboinflammation in neurological disorders and examine the contributions of damage-associated molecular patterns (DAMPs) derived from platelets and neutrophils. These DAMPs originate from both infectious and non-infectious risk factors and contribute to the activation of inflammasomes during brain disorders. Finally, we identify knowledge gaps in the molecular mechanisms underlying neurodegenerative disease pathogenesis and emphasize the potential of interventions targeting platelets and neutrophils to treat neuroinflammatory diseases.
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Affiliation(s)
- Ming-Li Chou
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, New Taipei City 23561, Taiwan; INSERM UMRS 938, Centre de Recherche Saint-Antoine, Immune System and Neuroinflammation Laboratory, Hôpital Saint-Antoine, Paris 75012, France
| | - Abdulkareem Olarewaju Babamale
- Taiwan International Graduate Program in Molecular Medicine, Academia Sinica, Taipei 11266, Taiwan; Department of Zoology, Faculty of Life Sciences, University of Ilorin, Ilorin 240003, Nigeria
| | - Tara L Walker
- Clem Jones Centre for Ageing Dementia Research, Queensland Brain Institute, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Fabrice Cognasse
- Etablissement Français du Sang Auvergne-Rhône-Alpes, 42023 Saint-Étienne, France; University Jean Monnet, Mines Saint-Étienne, INSERM, U 1059 Sainbiose, 42023 Saint-Etienne, France
| | - David Blum
- University of Lille, INSERM, CHU Lille, UMR-S1172 LilNCog, Lille Neuroscience and Cognition, F-59000 Lille, France; Alzheimer & Tauopathies, LabEx DISTALZ, LiCEND, Lille F-59000, France; NeuroTMULille International Laboratory, University of Lille, F-59000 Lille, France
| | - Thierry Burnouf
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, New Taipei City 23561, Taiwan; International PhD Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, New Taipei City 23561, Taiwan; NeuroTMULille International Laboratory, Taipei Medical University, Taipei 10031, Taiwan; Neuroscience Research Center, Taipei Medical University, Taipei 11031, Taiwan; Brain and Consciousness Research Centre, Taipei Medical University Shuang Ho Hospital, New Taipei City 23561, Taiwan.
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8
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Mavroudis I, Petridis F, Balmus IM, Ciobica A, Gorgan DL, Luca AC. Review on the Role of Salivary Biomarkers in the Diagnosis of Mild Traumatic Brain Injury and Post-Concussion Syndrome. Diagnostics (Basel) 2023; 13:diagnostics13081367. [PMID: 37189468 DOI: 10.3390/diagnostics13081367] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/27/2023] [Accepted: 04/05/2023] [Indexed: 05/17/2023] Open
Abstract
(1) Background: While mild traumatic brain injuries (TBIs) are a major public health issue, post-concussion syndrome (PCS) remains a controversial entity. In both cases, the clinical diagnosis is mainly based on the symptoms and brain imaging evaluation. The current molecular biomarkers were described from blood and cerebrospinal fluid (CSF), yet both fluid collection methods are invasive. Saliva could be preferred in molecular diagnosis due to its non-invasive and non-expensive methods of acquisition, transport, and samples processing. (2) Objectives: In the present study, we aimed to review the latest developments in salivary biomarkers and their potential role in diagnosing mild TBIs, and PCS. (3) Results: In TBIs and PCS, a few novel studies focusing on salivary biomarkers have emphasized their importance in diagnosis. The previous studies mainly focused on micro RNAs, and only a few on extracellular vesicles, neurofilament light chain, and S100B. (4) Conclusions: The combination between salivary biomarkers, clinical history and examination, self-reported symptoms, and cognitive/balance testing can provide a non-invasive alternative diagnostic methodology, as compared to the currently approved plasma and cerebrospinal fluid biomarkers.
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Affiliation(s)
- Ioannis Mavroudis
- Department of Neurology, Leeds Teaching Hospitals NHS Trust, Leeds LS9 7TF, UK
- Faculty of Medicine, Leeds University, Leeds LS2 9JT, UK
| | - Foivos Petridis
- Third Department of Neurology, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - Ioana-Miruna Balmus
- Department of Exact Sciences and Natural Sciences, Institute of Interdisciplinary Research, Alexandru Ioan Cuza University of Iasi, Alexandru Lapusneanu Street, No. 26, 700057 Iasi, Romania
| | - Alin Ciobica
- Department of Biology, Faculty of Biology, Alexandru Ioan Cuza University of Iasi, B dul Carol I, No. 11, 700506 Iasi, Romania
| | - Dragos Lucian Gorgan
- Department of Biology, Faculty of Biology, Alexandru Ioan Cuza University of Iasi, B dul Carol I, No. 11, 700506 Iasi, Romania
| | - Alina Costina Luca
- Department of Mother and Child, Medicine-Pediatrics, "Grigore T. Popa" University of Medicine and Pharmacy, 16, Universitatii Street, 700115 Iasi, Romania
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9
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Khan NA, Asim M, El-Menyar A, Biswas KH, Rizoli S, Al-Thani H. The evolving role of extracellular vesicles (exosomes) as biomarkers in traumatic brain injury: Clinical perspectives and therapeutic implications. Front Aging Neurosci 2022; 14:933434. [PMID: 36275010 PMCID: PMC9584168 DOI: 10.3389/fnagi.2022.933434] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Accepted: 09/09/2022] [Indexed: 11/13/2022] Open
Abstract
Developing effective disease-modifying therapies for neurodegenerative diseases (NDs) requires reliable diagnostic, disease activity, and progression indicators. While desirable, identifying biomarkers for NDs can be difficult because of the complex cytoarchitecture of the brain and the distinct cell subsets seen in different parts of the central nervous system (CNS). Extracellular vesicles (EVs) are heterogeneous, cell-derived, membrane-bound vesicles involved in the intercellular communication and transport of cell-specific cargos, such as proteins, Ribonucleic acid (RNA), and lipids. The types of EVs include exosomes, microvesicles, and apoptotic bodies based on their size and origin of biogenesis. A growing body of evidence suggests that intercellular communication mediated through EVs is responsible for disseminating important proteins implicated in the progression of traumatic brain injury (TBI) and other NDs. Some studies showed that TBI is a risk factor for different NDs. In terms of therapeutic potential, EVs outperform the alternative synthetic drug delivery methods because they can transverse the blood–brain barrier (BBB) without inducing immunogenicity, impacting neuroinflammation, immunological responses, and prolonged bio-distribution. Furthermore, EV production varies across different cell types and represents intracellular processes. Moreover, proteomic markers, which can represent a variety of pathological processes, such as cellular damage or neuroinflammation, have been frequently studied in neurotrauma research. However, proteomic blood-based biomarkers have short half-lives as they are easily susceptible to degradation. EV-based biomarkers for TBI may represent the complex genetic and neurometabolic abnormalities that occur post-TBI. These biomarkers are not caught by proteomics, less susceptible to degradation and hence more reflective of these modifications (cellular damage and neuroinflammation). In the current narrative and comprehensive review, we sought to discuss the contemporary knowledge and better understanding the EV-based research in TBI, and thus its applications in modern medicine. These applications include the utilization of circulating EVs as biomarkers for diagnosis, developments of EV-based therapies, and managing their associated challenges and opportunities.
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Affiliation(s)
- Naushad Ahmad Khan
- Clinical Research, Trauma Surgery Section, Department of Surgery, Hamad General Hospital, Doha, Qatar
| | - Mohammad Asim
- Clinical Research, Trauma Surgery Section, Department of Surgery, Hamad General Hospital, Doha, Qatar
| | - Ayman El-Menyar
- Clinical Research, Trauma Surgery Section, Department of Surgery, Hamad General Hospital, Doha, Qatar
- Department of Clinical Medicine, Weill Cornell Medical College, Doha, Qatar
- *Correspondence: Ayman El-Menyar
| | - Kabir H. Biswas
- Division of Biological and Biomedical Sciences, College of Health and Life Sciences, Hamad Bin Khalifa University, Qatar Foundation, Doha, Qatar
| | - Sandro Rizoli
- Trauma Surgery Section, Department of Surgery, Hamad General Hospital, Doha, Qatar
| | - Hassan Al-Thani
- Trauma Surgery Section, Department of Surgery, Hamad General Hospital, Doha, Qatar
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