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Kuwar R, Zhang N, McQuiston A, Wen X, Sun D. Generation of induced pluripotent stem cells from rat fibroblasts and optimization of its differentiation into mature functional neurons. J Neurosci Methods 2024; 406:110114. [PMID: 38522633 PMCID: PMC11060920 DOI: 10.1016/j.jneumeth.2024.110114] [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: 12/01/2023] [Revised: 03/11/2024] [Accepted: 03/20/2024] [Indexed: 03/26/2024]
Abstract
BACKGROUND Induced pluripotent stem cells (iPSCs) derived neural stem cells (NSCs) provide a potential for autologous neural transplantation therapy following neurological insults. Thus far, in preclinical studies the donor iPSCs-NSCs are mostly of human or mouse origin with concerns centering around graft rejection when applied to rat brain injury models. For better survival and integration of transplanted cells in the injured brain in rat models, use of rat-iPSC-NSCs and in combination with biomaterials is of advantageous. Herein, we report a detailed method in generating rat iPSCs with improved reprogramming efficiency and differentiation into neurons. NEW METHOD Rat fibroblasts were reprogrammed into iPSCs with polybrene and EF1α-STEMCCA-LoxP lentivirus vector. Pluripotency characterization, differentiation into neuronal linage cells were assessed with RT-qPCR, Western blotting, immunostaining and patch-clamp methods. Cells were cultured in a custom-designed integrin array system as well as in a hydrogel-based 3D condition. RESULTS We describe a thorough method for the generation of rat-iPSC-NSCs, and identify integrin αvβ8 as a substrate for the optimal growth of rat-iPSC-NSCs. Furthermore, with hydrogel as the supporting biomaterial in the 3-D culture, when combined with integrin αvβ8 binding peptide, it forms a conducive environment for optimal growth and differentiation of iPSC-NSCs into mature neurons. COMPARISON WITH EXISTING METHODS Published studies about rat-iPSC-NSCs are rare. This study provides a detailed protocol for the generation of rat iPSC-NSCs and optimal growth conditions for neuronal differentiation. Our method is useable for studies to assess the utility of rat iPSC-NSCs for neural transplantation in rat brain injury models.
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Affiliation(s)
- Ram Kuwar
- Department of Anatomy and Neurobiology, Medical College of Virginia Campus, Virginia Commonwealth University, Richmond, VA 23298, USA
| | - Ning Zhang
- Department of Biomedical Engineering, College of Engineering, Virginia Commonwealth University, Richmond, VA 23284, USA
| | - Adam McQuiston
- Department of Anatomy and Neurobiology, Medical College of Virginia Campus, Virginia Commonwealth University, Richmond, VA 23298, USA
| | - Xuejun Wen
- Department of Chemical and Life Science Engineering, College of Engineering, Virginia Commonwealth University, Richmond, VA 23284, USA
| | - Dong Sun
- Department of Anatomy and Neurobiology, Medical College of Virginia Campus, Virginia Commonwealth University, Richmond, VA 23298, USA.
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Mohammadinia F, Esmaeili‐Mahani S, Abbasnejad M, Dogani M, Poorrahimi AM. Methyl jasmonate ameliorates pain-induced learning and memory impairments through regulating the expression of genes involved in neuroinflammation. Brain Behav 2024; 14:e3502. [PMID: 38680072 PMCID: PMC11056706 DOI: 10.1002/brb3.3502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 03/27/2024] [Accepted: 04/06/2024] [Indexed: 05/01/2024] Open
Abstract
OBJECTIVE Orofacial pain with high prevalence is one of the substantial human health issues. The importance of this matter became more apparent when it was revealed that orofacial pain, directly and indirectly, affects cognition performances. Currently, researchers have focused on investigating pharmaceutics to alleviate pain and ameliorate its subsequent cognitive impairments. DESIGN In this study, the rats were first treated with the central administration of methyl jasmonate (MeJA), which is an antioxidant and anti-inflammatory bio-compound. After 20 min, orofacial pain was induced in the rats by the injection of capsaicin in their dental pulp. Subsequently, the animals' pain behaviors were analyzed, and the effects of pain and MeJA treatments on rats learning and memory were evaluated/compared using the Morris water maze (MWM) test. In addition, the expression of tumor necrosis factor-α (TNF-α), IL-1β, BDNF, and COX-2 genes in the rats' hippocampus was evaluated using real-time polymerase chain reaction. RESULTS Experiencing orofacial pain resulted in a significant decline in the rats learning and memory. However, the central administration of 20 μg/rat of MeJA effectively mitigated these impairments. In the MWM, the performance of the MeJA-treated rats showed a two- to threefold improvement compared to the nontreated ones. Moreover, in the hippocampus of pain-induced rats, the expression of pro-inflammatory factors TNF-α, IL-1β, and COX-2 significantly increased, whereas the BDNF expression decreased. In contrast, MeJA downregulated the pro-inflammatory factors and upregulated the BDNF by more than 50%. CONCLUSIONS These findings highlight the notable antinociceptive potential of MeJA and its ability to inhibit pain-induced learning and memory dysfunction through its anti-inflammatory effect.
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Affiliation(s)
- Fatemeh Mohammadinia
- Kerman Neuroscience Research Center, Institute of NeuropharmacologyKerman University of Medical SciencesKermanIran
- Department of Biology, Faculty of SciencesShahid Bahonar University of KermanKermanIran
| | - Saeed Esmaeili‐Mahani
- Kerman Neuroscience Research Center, Institute of NeuropharmacologyKerman University of Medical SciencesKermanIran
- Department of Biology, Faculty of SciencesShahid Bahonar University of KermanKermanIran
| | - Mehdi Abbasnejad
- Department of Biology, Faculty of SciencesShahid Bahonar University of KermanKermanIran
| | - Manijeh Dogani
- Department of Biology, Faculty of SciencesShahid Bahonar University of KermanKermanIran
| | - Ali Mohammad Poorrahimi
- Kerman Neuroscience Research Center, Institute of NeuropharmacologyKerman University of Medical SciencesKermanIran
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El-Menyar A, Khan NA, Asim M, Rizoli S, Al-Thani H. Beta-Adrenergic Receptor Polymorphism and Patho-Genetics of Trauma: A Transformational Frontier of Personalized Medicine in Neurotrauma. J Neurotrauma 2024; 41:771-788. [PMID: 38117124 DOI: 10.1089/neu.2023.0432] [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] [Indexed: 12/21/2023] Open
Abstract
Trauma is a serious public health issue, and remains a major cause of mortality and disability worldwide. The notion that genetic factors contribute to an individual's response to traumatic injury has advanced significantly. Genetic variations in severely injured patients have been linked to mortality, morbidity, and psychological outcomes. We conducted a comprehensive review of beta-adrenergic receptor polymorphisms and their impact on the pathogenetics of traumatic injuries, which could pave the way for a transformational frontier of personalized medicine in neurotrauma. It remains unclear why some individuals are vulnerable to worse outcomes, whereas others are resilient. Although genetic factors may be significant, the intricate interplay between environmental and genetic factors may be responsible for variations in the presentation and outcome after injury. Recent advancements in genetic analysis and molecular physiology have helped to shed light on the causes of such variability. Although exposure to trauma can initiate a cascade of stress-related responses, these responses alone are insufficient to explain etiopathogenesis. Therefore, gaining insights into how trauma and genetic predispositions to adrenergic variations interact at the molecular level to affect an individual's susceptibility and recuperation could provide an essential understanding of the molecular pathogenesis of traumatic injuries. Therefore, it is imperative to identify potential genetic and physiological markers to guide early management and prognosis of trauma. Such knowledge could pave the way for the discovery of novel biomarkers that can identify a transdiagnostic subgroup that is at high risk and requires early intervention. This could lead to the adoption of personalized medical approaches in neurotrauma care.
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Affiliation(s)
- Ayman El-Menyar
- Trauma and Vascular Surgery, Clinical Research, and Hamad Medical Corporation, Doha, Qatar
- Clinical Medicine, Weill Cornell Medicine, Doha, Qatar
| | - Naushad Ahmad Khan
- Trauma and Vascular Surgery, Clinical Research, and Hamad Medical Corporation, Doha, Qatar
| | - Mohammad Asim
- Trauma and Vascular Surgery, Clinical Research, and Hamad Medical Corporation, Doha, Qatar
| | - Sandro Rizoli
- Trauma Surgery, Hamad Medical Corporation, Doha, Qatar
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Katchur NJ, Notterman DA. Recent insights from non-mammalian models of brain injuries: an emerging literature. Front Neurol 2024; 15:1378620. [PMID: 38566857 PMCID: PMC10985199 DOI: 10.3389/fneur.2024.1378620] [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: 01/29/2024] [Accepted: 02/26/2024] [Indexed: 04/04/2024] Open
Abstract
Traumatic brain injury (TBI) is a major global health concern and is increasingly recognized as a risk factor for neurodegenerative diseases including Alzheimer's disease (AD) and chronic traumatic encephalopathy (CTE). Repetitive TBIs (rTBIs), commonly observed in contact sports, military service, and intimate partner violence (IPV), pose a significant risk for long-term sequelae. To study the long-term consequences of TBI and rTBI, researchers have typically used mammalian models to recapitulate brain injury and neurodegenerative phenotypes. However, there are several limitations to these models, including: (1) lengthy observation periods, (2) high cost, (3) difficult genetic manipulations, and (4) ethical concerns regarding prolonged and repeated injury of a large number of mammals. Aquatic vertebrate model organisms, including Petromyzon marinus (sea lampreys), zebrafish (Danio rerio), and invertebrates, Caenorhabditis elegans (C. elegans), and Drosophila melanogaster (Drosophila), are emerging as valuable tools for investigating the mechanisms of rTBI and tauopathy. These non-mammalian models offer unique advantages, including genetic tractability, simpler nervous systems, cost-effectiveness, and quick discovery-based approaches and high-throughput screens for therapeutics, which facilitate the study of rTBI-induced neurodegeneration and tau-related pathology. Here, we explore the use of non-vertebrate and aquatic vertebrate models to study TBI and neurodegeneration. Drosophila, in particular, provides an opportunity to explore the longitudinal effects of mild rTBI and its impact on endogenous tau, thereby offering valuable insights into the complex interplay between rTBI, tauopathy, and neurodegeneration. These models provide a platform for mechanistic studies and therapeutic interventions, ultimately advancing our understanding of the long-term consequences associated with rTBI and potential avenues for intervention.
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Affiliation(s)
- Nicole J. Katchur
- Department of Molecular Biology, Princeton University, Princeton, NJ, United States
- Rutgers-Robert Wood Johnson Medical School, Piscataway, NJ, United States
| | - Daniel A. Notterman
- Department of Molecular Biology, Princeton University, Princeton, NJ, United States
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Wang Z, Lu Z, Chen Y, Wang C, Gong P, Jiang R, Liu Q. Targeting the AKT-P53/CREB pathway with epicatechin for improved prognosis of traumatic brain injury. CNS Neurosci Ther 2024; 30:e14364. [PMID: 37464589 PMCID: PMC10848092 DOI: 10.1111/cns.14364] [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: 04/18/2023] [Revised: 06/13/2023] [Accepted: 06/25/2023] [Indexed: 07/20/2023] Open
Abstract
AIMS The aim of this study was to evaluate the effect of epicatechin, on neurological recovery and neuroinflammation after traumatic brain injury (TBI) to investigate its potential value in clinical practice. METHODS TBI model was established in adult rats by CCI method. The effect of epicatechin was evaluated after intraperitoneal injection. Neurological recovery after TBI was assessed by Morris Water Maze, mNSS score, Rotarod test and Adhesive removal test. Protein and gene expression was assessed by Western blot, ELISA, PCR and immunofluorescence. Furthermore, the use of AKT pathway inhibitors blocked the therapeutic effects of epicatechin clarifying AKT-P53/CREB as a potential pathway for the effects of epicatechin. RESULTS Administering epicatechin after TBI prevented neuronal death, reduced neuroinflammation, and promoted neurological function restoration in TBI rats. Network pharmacology study suggested that epicatechin may exert its therapeutic benefits through the AKT-P53/CREB pathway CONCLUSION: These results indicate that epicatechin, a monomeric compound derived from tea polyphenols, possesses potent antioxidant and anti-inflammatory properties after TBI. The mechanism may be related to the regulation of the AKT-P53/CREB signal pathway.
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Affiliation(s)
- Ziheng Wang
- Department of NeurosurgeryAffiliated Hospital of Nantong University, Medical School of Nantong UniversityNantongChina
- Research Center of Clinical MedicineAffiliated Hospital of Nantong UniversityNantongChina
- Centre for Precision Medicine Research and Training, Faculty of Health SciencesUniversity of MacauMacauChina
| | - Zhichao Lu
- Department of NeurosurgeryAffiliated Hospital of Nantong University, Medical School of Nantong UniversityNantongChina
- Research Center of Clinical MedicineAffiliated Hospital of Nantong UniversityNantongChina
| | - Yixun Chen
- Research Center of Clinical MedicineAffiliated Hospital of Nantong UniversityNantongChina
- Eye InstituteAffiliated Hospital of Nantong University, Medical School of Nantong UniversityNantongChina
| | - Chenxing Wang
- Department of NeurosurgeryAffiliated Hospital of Nantong University, Medical School of Nantong UniversityNantongChina
- Research Center of Clinical MedicineAffiliated Hospital of Nantong UniversityNantongChina
| | - Peipei Gong
- Department of NeurosurgeryAffiliated Hospital of Nantong University, Medical School of Nantong UniversityNantongChina
| | - Rui Jiang
- Department of NeurosurgeryAffiliated Hospital of Nantong University, Medical School of Nantong UniversityNantongChina
| | - Qianqian Liu
- Department of NeurosurgeryAffiliated Hospital of Nantong University, Medical School of Nantong UniversityNantongChina
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Shan J, Shi R, Hazra R, Hu X. Regulatory T lymphocytes in traumatic brain injury. Neurochem Int 2024; 173:105660. [PMID: 38151109 PMCID: PMC10872294 DOI: 10.1016/j.neuint.2023.105660] [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: 10/30/2023] [Revised: 12/18/2023] [Accepted: 12/19/2023] [Indexed: 12/29/2023]
Abstract
Traumatic brain injury (TBI) presents a significant global health challenge with no effective therapies developed to date. Regulatory T lymphocytes (Tregs) have recently emerged as a potential therapy due to their critical roles in maintaining immune homeostasis, reducing inflammation, and promoting brain repair. Following TBI, fluctuations in Treg populations and shifts in their functionality have been noted. However, the precise impact of Tregs on the pathophysiology of TBI remains unclear. In this review, we discuss recent advances in understanding the intricate roles of Tregs in TBI and other brain diseases. Increased knowledge about Tregs may facilitate their future application as an immunotherapy target for TBI treatment.
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Affiliation(s)
- Jiajing Shan
- Geriatric Research, Education and Clinical Center, Veterans Affairs Pittsburgh Health Care System, Pittsburgh, PA, 15261, USA; Department of Neurology, School of Medicine, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Ruyu Shi
- Department of Human Genetics, School of Public Health, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Rimi Hazra
- Department of Medicine, Pittsburgh Heart Lung and Blood Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA, 15261, USA.
| | - Xiaoming Hu
- Geriatric Research, Education and Clinical Center, Veterans Affairs Pittsburgh Health Care System, Pittsburgh, PA, 15261, USA; Department of Neurology, School of Medicine, University of Pittsburgh, Pittsburgh, PA, 15213, USA.
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Jia X, Li X, Ji Q, Yin B, Pan Y, Zhao W, Bai G, Zhang J, Bai L. Serum biomarkers and disease progression in CT-negative mild traumatic brain injury. Cereb Cortex 2024; 34:bhad405. [PMID: 37997466 DOI: 10.1093/cercor/bhad405] [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: 08/26/2023] [Revised: 10/06/2023] [Accepted: 10/07/2023] [Indexed: 11/25/2023] Open
Abstract
Blood proteins are emerging as potential biomarkers for mild traumatic brain injury (mTBI). Molecular pathology of mTBI underscores the critical roles of neuronal injury, neuroinflammation, and vascular health in disease progression. However, the temporal profile of blood biomarkers associated with the aforementioned molecular pathology after CT-negative mTBI, their diagnostic and prognostic potential, and their utility in monitoring white matter integrity and progressive brain atrophy remain unclear. Thus, we investigated serum biomarkers and neuroimaging in a longitudinal cohort, including 103 CT-negative mTBI patients and 66 matched healthy controls (HCs). Angiogenic biomarker vascular endothelial growth factor (VEGF) exhibited the highest area under the curve of 0.88 in identifying patients from HCs. Inflammatory biomarker interleukin-1β and neuronal cell body injury biomarker ubiquitin carboxyl-terminal hydrolase L1 were elevated in acute-stage patients and associated with deterioration of cognitive function from acute-stage to 6-12 mo post-injury period. Notably, axonal injury biomarker neurofilament light (NfL) was elevated in acute-stage patients, with higher levels associated with impaired white matter integrity in acute-stage and progressive gray and white matter atrophy from 3- to 6-12 mo post-injury period. Collectively, our findings emphasized the potential clinical value of serum biomarkers, particularly NfL and VEGF, in diagnosing mTBI and monitoring disease progression.
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Affiliation(s)
- Xiaoyan Jia
- The Key Laboratory of Biomedical Information Engineering, Ministry of Education, Department of Biomedical Engineering, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China
| | - Xuan Li
- The Key Laboratory of Biomedical Information Engineering, Ministry of Education, Department of Biomedical Engineering, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China
| | - Qiuyu Ji
- The Key Laboratory of Biomedical Information Engineering, Ministry of Education, Department of Biomedical Engineering, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China
| | - Bo Yin
- Department of Neurosurgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yizhen Pan
- The Key Laboratory of Biomedical Information Engineering, Ministry of Education, Department of Biomedical Engineering, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China
| | - Wenpu Zhao
- The Key Laboratory of Biomedical Information Engineering, Ministry of Education, Department of Biomedical Engineering, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China
| | - Guanghui Bai
- Department of Radiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Jie Zhang
- Department of Radiation Medicine, School of Preventive Medicine, Air Force Medical University, Xi'an 710032, China
| | - Lijun Bai
- The Key Laboratory of Biomedical Information Engineering, Ministry of Education, Department of Biomedical Engineering, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China
- Department of Medical Imaging, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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Jangra A, Gola P, Singh J, Gond P, Ghosh S, Rachamalla M, Dey A, Iqbal D, Kamal M, Sachdeva P, Jha SK, Ojha S, Kumar D, Jha NK, Chopra H, Tan SC. Emergence of taurine as a therapeutic agent for neurological disorders. Neural Regen Res 2024; 19:62-68. [PMID: 37488845 PMCID: PMC10479846 DOI: 10.4103/1673-5374.374139] [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: 12/19/2022] [Revised: 03/01/2023] [Accepted: 03/28/2023] [Indexed: 07/26/2023] Open
Abstract
Taurine is a sulfur-containing, semi-essential amino acid that occurs naturally in the body. It alternates between inflammation and oxidative stress-mediated injury in various disease models. As part of its limiting functions, taurine also modulates endoplasmic reticulum stress, Ca2+ homeostasis, and neuronal activity at the molecular level. Taurine effectively protects against a number of neurological disorders, including stroke, epilepsy, cerebral ischemia, memory dysfunction, and spinal cord injury. Although various therapies are available, effective management of these disorders remains a global challenge. Approximately 30 million people are affected worldwide. The design of taurine formation could lead to potential drugs/supplements for the health maintenance and treatment of central nervous system disorders. The general neuroprotective effects of taurine and the various possible underlying mechanisms are discussed in this review. This article is a good resource for understanding the general effects of taurine on various diseases. Given the strong evidence for the neuropharmacological efficacy of taurine in various experimental paradigms, it is concluded that this molecule should be considered and further investigated as a potential candidate for neurotherapeutics, with emphasis on mechanism and clinical studies to determine efficacy.
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Affiliation(s)
- Ashok Jangra
- Department of Pharmaceutical Sciences, Central University of Haryana, Mahendergarh, Haryana, India
| | - Priyanka Gola
- Department of Pharmaceutical Sciences, Central University of Haryana, Mahendergarh, Haryana, India
| | - Jiten Singh
- Department of Pharmaceutical Sciences, Central University of Haryana, Mahendergarh, Haryana, India
| | - Pooja Gond
- Department of Pharmaceutical Sciences, Central University of Haryana, Mahendergarh, Haryana, India
| | - Swarnabha Ghosh
- Department of Pharmaceutical Sciences, Central University of Haryana, Mahendergarh, Haryana, India
| | - Mahesh Rachamalla
- Department of Biology, University of Saskatchewan, Saskatoon, SK, Canada
| | - Abhijit Dey
- Department of Life Sciences, Presidency University, Kolkata, West Bengal, India
| | - Danish Iqbal
- Department of Health Information Management, College of Applied Medical Sciences, Buraydah Private Colleges, Buraydah, Saudi Arabia
| | - Mehnaz Kamal
- Department of Pharmaceutical Chemistry, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | | | - Saurabh Kumar Jha
- Department of Biotechnology, School of Engineering & Technology (SET), Sharda University, Greater Noida, Uttar Pradesh, India
| | - Shreesh Ojha
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Dinesh Kumar
- Department of Pharmaceutical Sciences, Central University of Haryana, Mahendergarh, Haryana, India
| | - Niraj Kumar Jha
- Department of Biotechnology, School of Engineering & Technology (SET), Sharda University, Greater Noida, Uttar Pradesh, India
- School of Bioengineering & Biosciences, Lovely Professional University, Phagwara, India
- Department of Biotechnology, School of Applied & Life Sciences (SALS), Uttaranchal University, Dehradun, India
| | - Hitesh Chopra
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Shing Cheng Tan
- UKM Medical Molecular Biology Institute, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
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Huang YN, Greig NH, Huang PS, Chiang YH, Hoffer A, Yang CH, Tweedie D, Chen Y, Ou JC, Wang JY. Pomalidomide Improves Motor Behavioral Deficits and Protects Cerebral Cortex and Striatum Against Neurodegeneration Through a Reduction of Oxidative/Nitrosative Damages and Neuroinflammation After Traumatic Brain Injury. Cell Transplant 2024; 33:9636897241237049. [PMID: 38483119 PMCID: PMC10943757 DOI: 10.1177/09636897241237049] [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: 06/21/2023] [Revised: 12/06/2023] [Accepted: 12/12/2023] [Indexed: 03/18/2024] Open
Abstract
Neuronal damage resulting from traumatic brain injury (TBI) causes disruption of neuronal projections and neurotransmission that contribute to behavioral deficits. Cellular generation of reactive oxygen species (ROS) and reactive nitrogen species (RNS) is an early event following TBI. ROS often damage DNA, lipids, proteins, and carbohydrates while RNS attack proteins. The products of lipid peroxidation 4-hydroxynonenal (4-HNE) and protein nitration 3-nitrotyrosine (3-NT) are often used as indicators of oxidative and nitrosative damages, respectively. Increasing evidence has shown that striatum is vulnerable to damage from TBI with a disturbed dopamine neurotransmission. TBI results in neurodegeneration, oxidative stress, neuroinflammation, neuronal apoptosis, and autophagy in the striatum and contribute to motor or behavioral deficits. Pomalidomide (Pom) is a Food and Drug Administration (FDA)-approved immunomodulatory drug clinically used in treating multiple myeloma. We previously showed that Pom reduces neuroinflammation and neuronal death induced by TBI in rat cerebral cortex. Here, we further compared the effects of Pom in cortex and striatum focusing on neurodegeneration, oxidative and nitrosative damages, as well as neuroinflammation following TBI. Sprague-Dawley rats subjected to a controlled cortical impact were used as the animal model of TBI. Systemic administration of Pom (0.5 mg/kg, intravenous [i.v.]) at 5 h post-injury alleviated motor behavioral deficits, contusion volume at 24 h after TBI. Pom alleviated TBI-induced neurodegeneration stained by Fluoro-Jade C in both cortex and striatum. Notably, Pom treatment reduces oxidative and nitrosative damages in cortex and striatum and is more efficacious in striatum (93% reduction in 4-HNE-positive and 84% reduction in 3-NT-positive neurons) than in cerebral cortex (42% reduction in 4-HNE-positive and 55% reduction in 3-NT-positive neurons). In addition, Pom attenuated microgliosis, astrogliosis, and elevations of proinflammatory cytokines in cortical and striatal tissue. We conclude that Pom may contribute to improved motor behavioral outcomes after TBI through targeting oxidative/nitrosative damages and neuroinflammation.
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Affiliation(s)
- Ya-Ni Huang
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei
- Department of Nursing, Hsin Sheng Junior College of Medical Care and Management, Taoyuan City
| | - Nigel H. Greig
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, MD, USA
| | - Pen-Sen Huang
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei
| | - Yung-Hsiao Chiang
- Department of Neurosurgery, Taipei Medical University Hospital, Taipei
- Neuroscience Research Center, Taipei Medical University, Taipei
| | - Alan Hoffer
- Department of Neurosurgery, University Hospitals of Cleveland, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
| | - Chih-Hao Yang
- Department of Pharmacology, College of Medicine, Taipei Medical University, Taipei
| | - David Tweedie
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, MD, USA
| | - Ying Chen
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei
| | - Ju-Chi Ou
- Neuroscience Research Center, Taipei Medical University, Taipei
| | - Jia-Yi Wang
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei
- Department of Neurosurgery, Taipei Medical University Hospital, Taipei
- Neuroscience Research Center, Taipei Medical University, Taipei
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10
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Jammoul M, Jammoul D, Wang KK, Kobeissy F, Depalma RG. Traumatic Brain Injury and Opioids: Twin Plagues of the Twenty-First Century. Biol Psychiatry 2024; 95:6-14. [PMID: 37217015 DOI: 10.1016/j.biopsych.2023.05.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 04/22/2023] [Accepted: 05/12/2023] [Indexed: 05/24/2023]
Abstract
Traumatic brain injury (TBI) and opioid use disorder (OUD) comprise twin plagues causing considerable morbidity and mortality worldwide. As interactions between TBI and OUD are to our knowledge uncharted, we review the possible mechanisms by which TBI may stimulate the development of OUD and discuss the interaction or crosstalk between these two processes. Central nervous system damage due to TBI appears to drive adverse effects of subsequent OUD and opioid use/misuse affecting several molecular pathways. Pain, a neurological consequence of TBI, is a risk factor that increases the likelihood of opioid use/misuse after TBI. Other comorbidities including depression, anxiety, posttraumatic stress disorder, and sleep disturbances are also associated with deleterious outcomes. We examine the hypothesis that a TBI "first hit" induces a neuroinflammatory process involving microglial priming, which, on a second hit related to opioid exposure, exacerbates neuroinflammation, modifies synaptic plasticity, and spreads tau aggregates to promote neurodegeneration. As TBI also impairs myelin repair by oligodendrocytes, it may reduce or degrade white matter integrity in the reward circuit resulting in behavioral changes. Along with approaches focused on specific patient symptoms, understanding the CNS effects following TBI offers a promise of improved management for individuals with OUD.
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Affiliation(s)
- Maya Jammoul
- Integrated Program in Neuroscience, McGill University, Montreal, Quebec, Canada
| | - Dareen Jammoul
- Anesthesiology Department, Lebanese American University Medical Center-Rizk Hospital, Beirut, Lebanon
| | - Kevin K Wang
- Center for Neurotrauma, MultiOmics & Biomarkers, Department of Neurobiology, Morehouse School of Medicine, Atlanta, Georgia; Department of Emergency Medicine, University of Florida, Gainesville, Florida.
| | - Firas Kobeissy
- Center for Neurotrauma, MultiOmics & Biomarkers, Department of Neurobiology, Morehouse School of Medicine, Atlanta, Georgia; Department of Emergency Medicine, University of Florida, Gainesville, Florida; Faculty of Medicine, Department of Biochemistry and Molecular Genetics, American University of Beirut, Beirut, Lebanon.
| | - Ralph G Depalma
- Office of Research and Development, Department of Veterans Affairs, Washington, DC; Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland
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11
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Kiah M, Azimi A, Hajisoltani R, Yousefifard1 M. Treatment with Rapamycin in Animal Models of Traumatic Brain Injuries; a Systematic Review and Meta-Analysis. ARCHIVES OF ACADEMIC EMERGENCY MEDICINE 2023; 12:e16. [PMID: 38371447 PMCID: PMC10871052 DOI: 10.22037/aaem.v12i1.2150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/20/2024]
Abstract
Introduction In light of the potential of enhanced functional and neurological recovery in traumatic brain injury (TBI) with the administration of rapamycin, this systematic review and meta-analysis aimed to investigate the efficacy of rapamycin treatment in animal models of TBI. Methods An extensive search was conducted in the electronic databases of Medline, Embase, Scopus, and Web of Science by July 1st, 2023. Two independent researchers performed the screening process by reviewing the titles and abstracts and the full texts of the relevant articles, including those meeting the inclusion criteria. Apoptosis rate, inflammation, locomotion, and neurological status were assessed as outcomes. A standardized mean difference (SMD) with a 95% confidence interval (95%CI) was calculated for each experiment, and a pooled effect size was reported. Statistical analyses were performed using STATA 17.0 software. Results Twelve articles were deemed eligible for inclusion in this meta-analysis. Pooled data analysis indicated notable reductions in the number of apoptotic cells (SMD for Tunnel-positive cells = -1.60; 95%CI: -2.21, -0.99, p<0.001), p-mTOR (SMD=-1.41; 95%CI: -2.03, -0.80, p<0.001), and p-S6 (SMD=-2.27; 95%CI: -3.03, -1.50, p<0.001) in TBI post-treatment. Our analysis also indicated substantial IL-1β reductions after rapamycin administration (SMD= -1.91; 95%CI: -2.61, -1.21, p<0.001). Moreover, pooled data analysis found significant neurological severity score (NSS) improvements at 24 hours (SMD= -1.16; 95%CI: -1.69, -0.62, p<0.001; I²=0.00%), 72 hours (SMD= -1.44; 95%CI: -2.00, -0.88, p<0.001; I²=0.00%), and 168 hours post-TBI (SMD= -1.56; 95%CI: -2.44, -0.68, p<0.001; I²=63.37%). No such improvement was observed in the grip test. Conclusion Low to moderate-level evidence demonstrated a significant decrease in apoptotic and inflammatory markers and improved neurological status in rodents with TBI. However, no such improvements were observed in locomotion recovery.
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Affiliation(s)
- Mohammad Kiah
- Physiology Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Amir Azimi
- Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Razieh Hajisoltani
- Physiology Research Center, Iran University of Medical Sciences, Tehran, Iran
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12
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Soltani A, Chugaeva UY, Ramadan MF, Saleh EAM, Al-Hasnawi SS, Romero-Parra RM, Alsaalamy A, Mustafa YF, Zamanian MY, Golmohammadi M. A narrative review of the effects of dexamethasone on traumatic brain injury in clinical and animal studies: focusing on inflammation. Inflammopharmacology 2023; 31:2955-2971. [PMID: 37843641 DOI: 10.1007/s10787-023-01361-3] [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: 08/07/2023] [Accepted: 09/26/2023] [Indexed: 10/17/2023]
Abstract
Traumatic brain injury (TBI) is a type of brain injury resulting from a sudden physical force to the head. TBI can range from mild, such as a concussion, to severe, which might result in long-term complications or even death. The initial impact or primary injury to the brain is followed by neuroinflammation, excitotoxicity, and oxidative stress, which are the hallmarks of the secondary injury phase, that can further damage the brain tissue. Dexamethasone (DXM) has neuroprotective effects. It reduces neuroinflammation, a critical factor in secondary injury-associated neuronal damage. DXM can also suppress the microglia activation and infiltrated macrophages, which are responsible for producing pro-inflammatory cytokines that contribute to neuroinflammation. Considering the outcomes of this research, some of the effects of DXM on TBI include: (1) DXM-loaded hydrogels reduce apoptosis, neuroinflammation, and lesion volume and improves neuronal cell survival and motor performance, (2) DXM treatment elevates the levels of Ndufs2, Gria3, MAOB, and Ndufv2 in the hippocampus following TBI, (3) DXM decreases the quantity of circulating endothelial progenitor cells, (4) DXM reduces the expression of IL1, (5) DXM suppresses the infiltration of RhoA + cells into primary lesions of TBI and (6) DXM treatment led to an increase in fractional anisotropy values and a decrease in apparent diffusion coefficient values, indicating improved white matter integrity. According to the study, the findings show that DXM treatment has neuroprotective effects in TBI. This indicates that DXM is a promising therapeutic approach to treating TBI.
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Affiliation(s)
- Afsaneh Soltani
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- USERN Office, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Uliana Y Chugaeva
- Department of Pediatric, Preventive Dentistry and Orthodontics, Institute of Dentistry, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | | | - Ebraheem Abdu Musad Saleh
- Department of Chemistry, Prince Sattam Bin Abdulaziz University, College of Arts and Science, 11991, Wadi Al-Dawasir, Saudi Arabia
| | | | | | - Ali Alsaalamy
- College of Technical Engineering, Imam Ja'afar Al-Sadiq University, Al-Muthanna, 66002, Iraq
| | - Yasser Fakri Mustafa
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Mosul, Mosul, 41001, Iraq
| | - Mohammad Yasin Zamanian
- Neurophysiology Research Center, Hamadan University of Medical Sciences, Hamadan, 6718773654, Iran.
- Department of Pharmacology and Toxicology, School of Pharmacy, Hamadan University of Medical Sciences, Hamadan, 6718773654, Iran.
- Department of Physiology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, 6718773654, Iran.
| | - Maryam Golmohammadi
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Ma J, Xiu W, Diao C, Miao Y, Feng Y, Ding W, Li Y, Sultan Y, Li X. Fenpropathrin induces neurotoxic effects in common carp (Cyprinus carpio L.). PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2023; 197:105644. [PMID: 38072519 DOI: 10.1016/j.pestbp.2023.105644] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 09/10/2023] [Accepted: 10/09/2023] [Indexed: 12/18/2023]
Abstract
Fenpropathrin (FEN) is a synthetic pyrethroid that has been frequently detected in aquatic environments, yet the neurotoxic impacts and underlying mechanisms on nontarget organisms are lacking. In this experiment, common carp were exposed to 0.45 and 1.35 μg/L FEN for 14 d and exhibited abnormal locomotor behaviour. Biochemical and molecular analysis results indicated that FEN altered the contents of tight junction proteins (claudin-1, occludin, and ZO-1), disturbed Na+-K+-ATPase and AChE activities, caused abnormal expression of neurotransmitters (ACh, DA, GABA, 5-HT, and glutamate) and caused histological damage in the brain, suggesting that FEN may damage the blood-brain barrier and induce neurotoxicity in carp. Furthermore, FEN also promoted an increase in ROS, changed SOD and CAT activities, and generally upregulated the contents of MDA, 8-OHdG, and protein carbonyl in the brain, indicating that FEN can induce oxidative stress and cause damage to lipids, DNA, and proteins. Moreover, inflammation-related indicators (TNF-α, IL-1β, IL-6, and IL-10), mitophagy-related genes (PINK1, parkin, ulk1, beclin1, LC3, p62, tfeb, and atg5), and apoptosis-related parameters (p53, bax, bcl-2, caspase-3, caspase-8, and caspase-9) were also significantly changed, suggesting that inflammation, mitophagy, and apoptosis may participate in FEN-induced neurotoxicity in carp. This study refines the understanding of the toxicity mechanism of FEN and thus provides data support for the risk assessment of FEN.
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Affiliation(s)
- Junguo Ma
- College of Life Science, Henan Normal University, Xinxiang, Henan 453007, China.
| | - Wenyao Xiu
- College of Life Science, Henan Normal University, Xinxiang, Henan 453007, China
| | - Chunyu Diao
- College of Life Science, Henan Normal University, Xinxiang, Henan 453007, China
| | - Yumeng Miao
- College of Life Science, Henan Normal University, Xinxiang, Henan 453007, China
| | - Yiyi Feng
- Henan International Joint Laboratory of Aquatic Toxicology and Health Protection, Henan Normal University, Xinxiang, Henan 453007, China
| | - Weikai Ding
- Henan International Joint Laboratory of Aquatic Toxicology and Health Protection, Henan Normal University, Xinxiang, Henan 453007, China
| | - Yuanyuan Li
- Henan International Joint Laboratory of Aquatic Toxicology and Health Protection, Henan Normal University, Xinxiang, Henan 453007, China
| | - Yousef Sultan
- Department of Food Toxicology and Contaminants, National Research Centre, Dokki, Cairo 12622, Egypt
| | - Xiaoyu Li
- Henan International Joint Laboratory of Aquatic Toxicology and Health Protection, Henan Normal University, Xinxiang, Henan 453007, China
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Nazari S, Pourmand SM, Motevaseli E, Hassanzadeh G. Mesenchymal stem cells (MSCs) and MSC-derived exosomes in animal models of central nervous system diseases: Targeting the NLRP3 inflammasome. IUBMB Life 2023; 75:794-810. [PMID: 37278718 DOI: 10.1002/iub.2759] [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: 03/08/2023] [Accepted: 05/02/2023] [Indexed: 06/07/2023]
Abstract
The NLRP3 (NOD-, LRR-, and pyrin domain-containing protein 3) inflammasome is a multimeric protein complex that is engaged in the innate immune system and plays a vital role in inflammatory reactions. Activation of the NLRP3 inflammasome and subsequent release of proinflammatory cytokines can be triggered by microbial infection or cellular injury. The NLRP3 inflammasome has been implicated in the pathogenesis of many disorders affecting the central nervous system (CNS), ranging from stroke, traumatic brain injury, and spinal cord injury to Alzheimer's disease, Parkinson's disease, epilepsy, multiple sclerosis, and depression. Furthermore, emerging evidence has suggested that mesenchymal stem cells (MSCs) and their exosomes may modulate NLRP3 inflammasome activation in a way that might be promising for the therapeutic management of CNS diseases. In the present review, particular focus is placed on highlighting and discussing recent scientific evidence regarding the regulatory effects of MSC-based therapies on the NLRP3 inflammasome activation and their potential to counteract proinflammatory responses and pyroptotic cell death in the CNS, thereby achieving neuroprotective impacts and improvement in behavioral impairments.
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Affiliation(s)
- Shahrzad Nazari
- Department of Neuroscience and Addiction Studies, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Seyed Mahmoud Pourmand
- School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Elahe Motevaseli
- Department of Molecular Medicine, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Gholamreza Hassanzadeh
- Department of Neuroscience and Addiction Studies, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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15
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Mu X, Wang K, He L, Liu Z, Zhang Y, Zhang R, Duan M, Wang C. Neural System Impairment and Involved Microglia-Neuron Regulation of Broflanilide in Zebrafish Larvae. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:14138-14149. [PMID: 37695573 DOI: 10.1021/acs.est.3c03626] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/12/2023]
Abstract
Broflanilide is widely used to control pests and has attracted attention due to its adverse effects on aquatic organisms. Our previous study showed that broflanilide has a negative impact on the central nervous system (CNS) at lethal dosages; however, its neural effects under practical situations and the underlying mechanisms remain unknown. To elucidate how broflanilide affects the CNS, we exposed zebrafish larvae to broflanilide at 16.9 and 88.0 μg/L (the environmentally relevant concentrations) for 120 h. Zebrafish locomotion was significantly disturbed at 88.0 μg/L, with a decreased moving distance and velocity accompanied by an inhibited neurotransmitter level. In vivo neuroimaging analysis indicated that the nerves of zebrafish larvae, including the axons, myelin sheaths, and neurons, were impaired. The number of neurons was significantly reduced after exposure, with an impaired morphological structure. These changes were accompanied by the abnormal transcription of genes involved in early CNS development. In addition, an increased total number of microglia and an elevated proportion of amoeboid microglia were observed after 88.0 μg/L broflanilide exposure, pointing out to an upstream role of microglia activation in mediating broflanilide neurotoxicity. Meanwhile, increased inflammatory cytokine levels and brain neutrophil numbers were observed, implicating significant inflammatory response and immune toxicity. Our findings indicate that broflanilide interferes with microglia-neuron regulation and induces neurodevelopmental disorders.
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Affiliation(s)
- Xiyan Mu
- Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, People's Republic of China
| | - Kai Wang
- Plant Protection College, Shenyang Agricultural University, Shenyang 100866, People's Republic of China
| | - Lu He
- Plant Protection College, Shenyang Agricultural University, Shenyang 100866, People's Republic of China
| | - Zaiteng Liu
- Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, People's Republic of China
| | - Yining Zhang
- Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, People's Republic of China
| | - Ru Zhang
- Plant Protection College, Shenyang Agricultural University, Shenyang 100866, People's Republic of China
| | - Manman Duan
- College of Science, China Agricultural University, Beijing 100193, People's Republic of China
| | - Chengju Wang
- College of Science, China Agricultural University, Beijing 100193, People's Republic of China
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16
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Janković T, Pilipović K. Single Versus Repetitive Traumatic Brain Injury: Current Knowledge on the Chronic Outcomes, Neuropathology and the Role of TDP-43 Proteinopathy. Exp Neurobiol 2023; 32:195-215. [PMID: 37749924 PMCID: PMC10569144 DOI: 10.5607/en23008] [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: 02/16/2023] [Revised: 07/18/2023] [Accepted: 08/23/2023] [Indexed: 09/27/2023] Open
Abstract
Traumatic brain injury (TBI) is one of the most important causes of death and disability in adults and thus an important public health problem. Following TBI, secondary pathophysiological processes develop over time and condition the development of different neurodegenerative entities. Previous studies suggest that neurobehavioral changes occurring after a single TBI are the basis for the development of Alzheimer's disease, while repetitive TBI is considered to be a contributing factor for chronic traumatic encephalopathy development. However, pathophysiological processes that determine the evolvement of a particular chronic entity are still unclear. Human post-mortem studies have found combinations of amyloid, tau, Lewi bodies, and TAR DNA-binding protein 43 (TDP-43) pathologies after both single and repetitive TBI. This review focuses on the pathological changes of TDP-43 after single and repetitive brain traumas. Numerous studies have shown that TDP-43 proteinopathy noticeably occurs after repetitive head trauma. A relatively small number of available preclinical research on single brain injury are not in complete agreement with the results from the human samples, which makes it difficult to draw specific conclusions. Also, as TBI is considered a heterogeneous type of injury, different experimental trauma models and injury intensities may cause differences in the cascade of secondary injury, which should be considered in future studies. Experimental and post-mortem studies of TDP-43 pathobiology should be carried out, preferably in the same laboratories, to determine its involvement in the development of neurodegenerative conditions after one and repetitive TBI, especially in the context of the development of new therapeutic options.
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Affiliation(s)
- Tamara Janković
- Department of Basic and Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Rijeka, Rijeka 51000, Croatia
| | - Kristina Pilipović
- Department of Basic and Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Rijeka, Rijeka 51000, Croatia
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17
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Freire MAM, Rocha GS, Bittencourt LO, Falcao D, Lima RR, Cavalcanti JRLP. Cellular and Molecular Pathophysiology of Traumatic Brain Injury: What Have We Learned So Far? BIOLOGY 2023; 12:1139. [PMID: 37627023 PMCID: PMC10452099 DOI: 10.3390/biology12081139] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 08/07/2023] [Accepted: 08/10/2023] [Indexed: 08/27/2023]
Abstract
Traumatic brain injury (TBI) is one of the leading causes of long-lasting morbidity and mortality worldwide, being a devastating condition related to the impairment of the nervous system after an external traumatic event resulting in transitory or permanent functional disability, with a significant burden to the healthcare system. Harmful events underlying TBI can be classified into two sequential stages, primary and secondary, which are both associated with breakdown of the tissue homeostasis due to impairment of the blood-brain barrier, osmotic imbalance, inflammatory processes, oxidative stress, excitotoxicity, and apoptotic cell death, ultimately resulting in a loss of tissue functionality. The present study provides an updated review concerning the roles of brain edema, inflammation, excitotoxicity, and oxidative stress on brain changes resulting from a TBI. The proper characterization of the phenomena resulting from TBI can contribute to the improvement of care, rehabilitation and quality of life of the affected people.
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Affiliation(s)
- Marco Aurelio M. Freire
- Graduate Program in Physiological Sciences, University of the State of Rio Grande do Norte, Mossoró 59607-360, RN, Brazil
| | - Gabriel Sousa Rocha
- Graduate Program in Biochemistry and Molecular Biology, University of the State of Rio Grande do Norte, Mossoró 59607-360, RN, Brazil
| | - Leonardo Oliveira Bittencourt
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém 66075-900, PA, Brazil
| | - Daniel Falcao
- VCU Health Systems, Virginia Commonwealth University, 23219 Richmond, VA, USA
| | - Rafael Rodrigues Lima
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém 66075-900, PA, Brazil
| | - Jose Rodolfo Lopes P. Cavalcanti
- Graduate Program in Physiological Sciences, University of the State of Rio Grande do Norte, Mossoró 59607-360, RN, Brazil
- Graduate Program in Biochemistry and Molecular Biology, University of the State of Rio Grande do Norte, Mossoró 59607-360, RN, Brazil
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18
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Govindarajulu M, Patel MY, Wilder DM, Krishnan J, LaValle C, Pandya JD, Shear DA, Hefeneider SH, Long JB, Arun P. Upregulation of multiple toll-like receptors in ferret brain after blast exposure: potential targets for treatment. Neurosci Lett 2023; 810:137364. [PMID: 37391063 DOI: 10.1016/j.neulet.2023.137364] [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: 10/21/2022] [Revised: 06/26/2023] [Accepted: 06/27/2023] [Indexed: 07/02/2023]
Abstract
Although blast-induced traumatic brain injury (bTBI) has been designated as the signature injury of recent combat operations, its precise pathological mechanism(s) has not been identified thus far. Prior preclinical studies on bTBI demonstrated acute neuroinflammatory cascades which are known to be contributing to neurodegeneration. Danger-associated chemical patterns are released from the injured cells, which activate non-specific pattern recognition receptors, such as toll-like receptors (TLRs) leading to increased expression of inflammatory genes and release of cytokines. Upregulation of specific TLRs in the brain has been described as a mechanism of injury in diverse brain injury models unrelated to blast exposure. However, the expression profile of various TLRs in bTBI has not been investigated thus far. Hence, we have evaluated the expression of transcripts for TLR1-TLR10 in the brain of a gyrencephalic animal model of bTBI. We exposed ferrets to tightly coupled repeated blasts and determined the differential expression of TLRs (TLR1-10) by quantitative RT-PCR in multiple brain regions at 4 hr, 24 hr, 7 days and 28 days post-blast injury. The results obtained indicate that multiple TLRs are upregulated in the brain at 4 hr, 24 hr, 7 days and 28 days post-blast. Specifically, upregulation of TLR2, TLR4 and TLR9 was noted in different brain regions, suggesting that multiple TLRs might play a role in the pathophysiology of bTBI and that drugs that can inhibit multiple TLRs might have enhanced efficacy to attenuate brain damage and thereby improve bTBI outcome. Taken together, these results suggest that several TLRs are upregulated in the brain after bTBI and participate in the inflammatory response and thereby provide new insights into the disease pathogenesis. Therefore, inhibition of multiple TLRs, including TLR2, 4 and 9, simultaneously might be a potential therapeutic strategy for the treatment of bTBI.
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Affiliation(s)
- Manoj Govindarajulu
- Blast-Induced Neurotrauma Branch, Brain Trauma Neuroprotection and Neurorestoration Branch, Center for Military Psychiatry and Neuroscience, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
| | - Mital Y Patel
- Blast-Induced Neurotrauma Branch, Brain Trauma Neuroprotection and Neurorestoration Branch, Center for Military Psychiatry and Neuroscience, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
| | - Donna M Wilder
- Blast-Induced Neurotrauma Branch, Brain Trauma Neuroprotection and Neurorestoration Branch, Center for Military Psychiatry and Neuroscience, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
| | - Jishnu Krishnan
- Blast-Induced Neurotrauma Branch, Brain Trauma Neuroprotection and Neurorestoration Branch, Center for Military Psychiatry and Neuroscience, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
| | - Christina LaValle
- Blast-Induced Neurotrauma Branch, Brain Trauma Neuroprotection and Neurorestoration Branch, Center for Military Psychiatry and Neuroscience, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
| | - Jignesh D Pandya
- Brain Trauma Neuroprotection and Neurorestoration Branch, Center for Military Psychiatry and Neuroscience, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
| | - Deborah A Shear
- Brain Trauma Neuroprotection and Neurorestoration Branch, Center for Military Psychiatry and Neuroscience, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
| | | | - Joseph B Long
- Blast-Induced Neurotrauma Branch, Brain Trauma Neuroprotection and Neurorestoration Branch, Center for Military Psychiatry and Neuroscience, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
| | - Peethambaran Arun
- Blast-Induced Neurotrauma Branch, Brain Trauma Neuroprotection and Neurorestoration Branch, Center for Military Psychiatry and Neuroscience, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA.
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Zhao Q, Li H, Li H, Xie F, Zhang J. Research progress of neuroinflammation-related cells in traumatic brain injury: A review. Medicine (Baltimore) 2023; 102:e34009. [PMID: 37352020 PMCID: PMC10289497 DOI: 10.1097/md.0000000000034009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 05/24/2023] [Accepted: 05/25/2023] [Indexed: 06/25/2023] Open
Abstract
Neuroinflammation after traumatic brain injury (TBI) is related to chronic neurodegenerative diseases and is one of the causes of acute secondary injury after TBI. Therefore, it is particularly important to clarify the role of cellular mechanisms in the neuroinflammatory response after TBI. The objective of this article is to understand the involvement of cells during the TBI inflammatory response (for instance, astrocytes, microglia, and oligodendrocytes) and shed light on the recent progress in the stimulation and interaction of granulocytes and lymphocytes, to provide a novel approach for clinical research. We searched articles in PubMed published between 1950 and 2023, using the following keywords: TBI, neuroinflammation, inflammatory cells, neuroprotection, clinical. Articles for inclusion in this paper were finalized based on their novelty, representativeness, and relevance to the main arguments of this review. We found that the neuroinflammatory response after TBI includes the activation of glial cells, the release of inflammatory mediators in the brain, and the recruitment of peripheral immune cells. These inflammatory responses not only induce secondary brain damage, but also have a role in repairing the nervous system to some extent. However, not all of the mechanisms of cell-to-cell interactions have been well studied. After TBI, clinical treatment cannot simply suppress the inflammatory response, and the inflammatory phenotype of patients' needs to be defined according to their specific conditions after injury. Clinical trials of personalized inflammation regulation therapy for specific patients should be carried out in order to improve the prognosis of patients.
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Affiliation(s)
- Qinghui Zhao
- Institute of Physical Culture, Huanghuai University, Zhumadian, China
| | - Huige Li
- Institute of Physical Culture, Huanghuai University, Zhumadian, China
| | - Hongru Li
- Zhumadian Central Hospital, Zhumadian, China
| | - Fei Xie
- Faculty of Environment and Life, Beijing University of Technology, Beijing, China
| | - Jianhua Zhang
- Institute of Physical Culture, Huanghuai University, Zhumadian, China
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Tyrtyshnaia A, Manzhulo O, Manzhulo I. Synaptamide Ameliorates Hippocampal Neurodegeneration and Glial Activation in Mice with Traumatic Brain Injury. Int J Mol Sci 2023; 24:10014. [PMID: 37373162 DOI: 10.3390/ijms241210014] [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: 05/19/2023] [Revised: 06/06/2023] [Accepted: 06/09/2023] [Indexed: 06/29/2023] Open
Abstract
Traumatic brain injury (TBI) is a major concern for public health worldwide, affecting 55 million people and being the leading cause of death and disability. To improve the outcomes and effectiveness of treatment for these patients, we conducted a study on the potential therapeutic use of N-docosahexaenoylethanolamine (synaptamide) in mice using the weight-drop injury (WDI) TBI model. Our study focused on exploring synaptamide's effects on neurodegeneration processes and changes in neuronal and glial plasticity. Our findings showed that synaptamide could prevent TBI-associated working memory decline and neurodegenerative changes in the hippocampus, and it could alleviate decreased adult hippocampal neurogenesis. Furthermore, synaptamide regulated the production of astro- and microglial markers during TBI, promoting the anti-inflammatory transformation of the microglial phenotype. Additional effects of synaptamide in TBI include stimulating antioxidant and antiapoptotic defense, leading to the downregulation of the Bad pro-apoptotic marker. Our data suggest that synaptamide has promising potential as a therapeutic agent to prevent the long-term neurodegenerative consequences of TBI and improve the quality of life.
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Affiliation(s)
- Anna Tyrtyshnaia
- A.V. Zhirmunsky National Scientific Center of Marine Biology, Far Eastern Branch, Russian Academy of Sciences, Palchevskogo Str. 17, Vladivostok 690041, Russia
| | - Olga Manzhulo
- A.V. Zhirmunsky National Scientific Center of Marine Biology, Far Eastern Branch, Russian Academy of Sciences, Palchevskogo Str. 17, Vladivostok 690041, Russia
| | - Igor Manzhulo
- A.V. Zhirmunsky National Scientific Center of Marine Biology, Far Eastern Branch, Russian Academy of Sciences, Palchevskogo Str. 17, Vladivostok 690041, Russia
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21
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Dehhaghi M, Heng B, Guillemin GJ. The kynurenine pathway in traumatic brain injuries and concussion. Front Neurol 2023; 14:1210453. [PMID: 37360356 PMCID: PMC10289013 DOI: 10.3389/fneur.2023.1210453] [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: 04/22/2023] [Accepted: 05/23/2023] [Indexed: 06/28/2023] Open
Abstract
Up to 10 million people per annum experience traumatic brain injury (TBI), 80-90% of which are categorized as mild. A hit to the brain can cause TBI, which can lead to secondary brain injuries within minutes to weeks after the initial injury through unknown mechanisms. However, it is assumed that neurochemical changes due to inflammation, excitotoxicity, reactive oxygen species, etc., that are triggered by TBI are associated with the emergence of secondary brain injuries. The kynurenine pathway (KP) is an important pathway that gets significantly overactivated during inflammation. Some KP metabolites such as QUIN have neurotoxic effects suggesting a possible mechanism through which TBI can cause secondary brain injury. That said, this review scrutinizes the potential association between KP and TBI. A more detailed understanding of the changes in KP metabolites during TBI is essential to prevent the onset or at least attenuate the severity of secondary brain injuries. Moreover, this information is crucial for the development of biomarker/s to probe the severity of TBI and predict the risk of secondary brain injuries. Overall, this review tries to fill the knowledge gap about the role of the KP in TBI and highlights the areas that need to be studied.
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Deshetty UM, Periyasamy P. Potential Biomarkers in Experimental Animal Models for Traumatic Brain Injury. J Clin Med 2023; 12:3923. [PMID: 37373618 DOI: 10.3390/jcm12123923] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 06/05/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
Traumatic brain injury (TBI) is a complex and multifaceted disorder that has become a significant public health concern worldwide due to its contribution to mortality and morbidity. This condition encompasses a spectrum of injuries, including axonal damage, contusions, edema, and hemorrhage. Unfortunately, specific effective therapeutic interventions to improve patient outcomes following TBI are currently lacking. Various experimental animal models have been developed to mimic TBI and evaluate potential therapeutic agents to address this issue. These models are designed to recapitulate different biomarkers and mechanisms involved in TBI. However, due to the heterogeneous nature of clinical TBI, no single experimental animal model can effectively mimic all aspects of human TBI. Accurate emulation of clinical TBI mechanisms is also tricky due to ethical considerations. Therefore, the continued study of TBI mechanisms and biomarkers, of the duration and severity of brain injury, treatment strategies, and animal model optimization is necessary. This review focuses on the pathophysiology of TBI, available experimental TBI animal models, and the range of biomarkers and detection methods for TBI. Overall, this review highlights the need for further research to improve patient outcomes and reduce the global burden of TBI.
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Affiliation(s)
- Uma Maheswari Deshetty
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Palsamy Periyasamy
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198, USA
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Zheng G, Harms AK, Tail M, Zhang H, Nimmo A, Skutella T, Kiening K, Unterberg A, Zweckberger K, Younsi A. Effects of a neurokinin-1 receptor antagonist in the acute phase after thoracic spinal cord injury in a rat model. Front Mol Neurosci 2023; 16:1128545. [PMID: 37251648 PMCID: PMC10213275 DOI: 10.3389/fnmol.2023.1128545] [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: 12/20/2022] [Accepted: 04/17/2023] [Indexed: 05/31/2023] Open
Abstract
Objective Disruption of the blood-spinal cord barrier (BSCB) with subsequent edema formation and further neuroinflammation contributes to aggravation of spinal cord injury (SCI). We aimed to observe the effect of antagonizing the binding of the neuropeptide Substance-P (SP) to its neurokinin-1 (NK1) receptor in a rodent SCI model. Methods Female Wistar rats were subjected to a T9 laminectomy with or without (Sham) a T9 clip-contusion/compression SCI, followed by the implantation of an osmotic pump for the continuous, seven-day-long infusion of a NK1 receptor antagonist (NRA) or saline (vehicle) into the intrathecal space. The animals were assessed via MRI, and behavioral tests were performed during the experiment. 7 days after SCI, wet & dry weight and immunohistological analyses were conducted. Results Substance-P inhibition via NRA showed limited effects on reducing edema. However, the invasion of T-lymphocytes and the number of apoptotic cells were significantly reduced with the NRA treatment. Moreover, a trend of reduced fibrinogen leakage, endothelial and microglial activation, CS-GAG deposition, and astrogliosis was found. Nevertheless, only insignificant general locomotion recovery could be observed in the BBB open field score and the Gridwalk test. In contrast, the CatWalk gait analysis showed an early onset of recovery in several parameters. Conclusion Intrathecal administration of NRA might reinforce the integrity of the BSCB in the acute phase after SCI, potentially attenuating aspects of neurogenic inflammation, reducing edema formation, and improving functional recovery.
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Affiliation(s)
- Guoli Zheng
- Department of Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Anna-Kathrin Harms
- Department of Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Mohamed Tail
- Department of Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Hao Zhang
- Department of Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Alan Nimmo
- College of Medicine and Dentistry, James Cook University, Cairns, QLD, Australia
| | - Thomas Skutella
- Department of Neuroanatomy, Institute for Anatomy and Cell Biology, University of Heidelberg, Heidelberg, Germany
| | - Karl Kiening
- Department of Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Andreas Unterberg
- Department of Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Klaus Zweckberger
- Department of Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Alexander Younsi
- Department of Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany
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24
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Hagey DW, El Andaloussi S. The promise and challenges of extracellular vesicles in the diagnosis of neurodegenerative diseases. HANDBOOK OF CLINICAL NEUROLOGY 2023; 193:227-241. [PMID: 36803813 DOI: 10.1016/b978-0-323-85555-6.00014-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
Extracellular vesicles (EVs) have emerged as essential means of intercommunication for all cell types, and their role in CNS physiology is increasingly appreciated. Accumulating evidence has demonstrated that EVs play important roles in neural cell maintenance, plasticity, and growth. However, EVs have also been demonstrated to spread amyloids and inflammation characteristic of neurodegenerative disease. Such dual roles suggest that EVs may be prime candidates for neurodegenerative disease biomarker analysis. This is supported by several intrinsic properties of EVs: Populations can be enriched by capturing surface proteins from their cell of origin, their diverse cargo represent the complex intracellular states of the cells they derive from, and they can pass the blood-brain barrier. Despite this promise, there are important questions outstanding in this young field that will need to be answered before it can fulfill its potential. Namely, overcoming the technical challenges of isolating rare EV populations, the difficulties inherent in detecting neurodegeneration, and the ethical considerations of diagnosing asymptomatic individuals. Although daunting, succeeding to answer these questions has the potential to provide unprecedented insight and improved treatment of neurodegenerative disease in the future.
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Affiliation(s)
- Daniel W Hagey
- Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden.
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25
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Davis JA, Grau JW. Protecting the injured central nervous system: Do anesthesia or hypothermia ameliorate secondary injury? Exp Neurol 2023; 363:114349. [PMID: 36775099 DOI: 10.1016/j.expneurol.2023.114349] [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: 11/10/2022] [Revised: 01/13/2023] [Accepted: 02/06/2023] [Indexed: 02/12/2023]
Abstract
Traumatic injury to the central nervous system (CNS) and stroke initiate a cascade of processes that expand the area of tissue loss. The current review considers recent studies demonstrating that the induction of an anesthetic state or cooling the affected tissue (hypothermia) soon after injury can have a therapeutic effect. We first provide an overview of the neurobiological processes that fuel tissue loss after traumatic brain injury (TBI), spinal cord injury (SCI) and stroke. We then examine the rehabilitative effectiveness of therapeutic anesthesia across a variety of drug categories through a systematic review of papers in the PubMed database. We also review the therapeutic benefits hypothermia, another treatment that quells neural activity. We conclude by considering factors related to the safety, efficacy and timing of treatment, as well as the mechanisms of action. Clinical implications are also discussed.
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Affiliation(s)
- Jacob A Davis
- Cellular and Behavioral Neuroscience, Department of Psychology, Texas A&M University, College Station, TX 77843, USA.
| | - James W Grau
- Cellular and Behavioral Neuroscience, Department of Psychology, Texas A&M University, College Station, TX 77843, USA
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26
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Myers S, McCracken K, Buck DJ, Curtis JT, Davis RL. Anti-inflammatory actions of β-funaltrexamine in a mouse model of lipopolysaccharide-induced inflammation. Inflammopharmacology 2023; 31:349-358. [PMID: 36527567 DOI: 10.1007/s10787-022-01113-9] [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: 02/21/2022] [Accepted: 12/06/2022] [Indexed: 12/23/2022]
Abstract
Neuroinflammation is involved in a wide range of brain disorders, thus there is great interest in identifying novel anti-inflammatory agents to include in therapeutic strategies. Our previous in vitro studies revealed that beta-funaltrexamine (β-FNA), a well-characterized selective mu-opioid receptor (MOR) antagonist, inhibits inflammatory signaling in human astroglial cells, albeit through an apparent MOR-independent mechanism. We also previously determined that lipopolysaccharide (LPS)-induced sickness behavior and neuroinflammation in mice are prevented by pretreatment with β-FNA. Herein we investigated the temporal importance of β-FNA treatment in this pre-clinical model of LPS-induced neuroinflammation. Adult, male C57BL/6J mice were administered an i.p. injection of LPS followed by treatment (i.p. injection) with β-FNA immediately or 4 h post-LPS. Sickness behavior was assessed using an open-field test, followed by assessment of inflammatory signaling in the brain, spleen, and plasma. Levels of inflammatory chemokines/cytokines (interferon γ-induced protein, CXCL10; monocyte chemotactic protein 1, CCL2; and interleukin-6, IL-6) in tissues were measured using an enzyme-linked immunosorbent assay and nuclear factor-kappa B (NFκB), p38 mitogen activated kinase (p38 MAPK), and glial fibrillary acidic protein (GFAP) expression were measured by western blot. LPS-induced sickness behavior and chemokine expression were inhibited more effectively when β-FNA treatment occurred immediately after LPS administration, as opposed to 4 h post-LPS; and β-FNA-mediated effects were time-dependent as evidenced by inhibition at 24 h, but not at 8 h. The inhibitory effects of β-FNA on chemokine expression were more evident in the brain versus the spleen or plasma. LPS-induced NFκB-p65 and p38 MAPK expression in the brain and spleen were inhibited at 8 and 24 h post-LPS. These findings extend our understanding of the anti-inflammatory effects of β-FNA and warrant further investigation into its therapeutic potential.
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Affiliation(s)
- Stephanie Myers
- Department of Pharmacology/Physiology, Oklahoma State University Center for Health Sciences, Tulsa, OK, 74107, USA
| | - Kelly McCracken
- Department of Pharmacology/Physiology, Oklahoma State University Center for Health Sciences, Tulsa, OK, 74107, USA
| | - Daniel J Buck
- Department of Pharmacology/Physiology, Oklahoma State University Center for Health Sciences, Tulsa, OK, 74107, USA
| | - J Thomas Curtis
- Department of Pharmacology/Physiology, Oklahoma State University Center for Health Sciences, Tulsa, OK, 74107, USA
| | - Randall L Davis
- Department of Pharmacology/Physiology, Oklahoma State University Center for Health Sciences, Tulsa, OK, 74107, USA.
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27
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Liu X, Zhang L, Cao Y, Jia H, Li X, Li F, Zhang S, Zhang J. Neuroinflammation of traumatic brain injury: Roles of extracellular vesicles. Front Immunol 2023; 13:1088827. [PMID: 36741357 PMCID: PMC9889855 DOI: 10.3389/fimmu.2022.1088827] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 12/29/2022] [Indexed: 01/19/2023] Open
Abstract
Traumatic brain injury (TBI) is a major cause of neurological disorder or death, with a heavy burden on individuals and families. While sustained primary insult leads to damage, subsequent secondary events are considered key pathophysiological characteristics post-TBI, and the inflammatory response is a prominent contributor to the secondary cascade. Neuroinflammation is a multifaceted physiological response and exerts both positive and negative effects on TBI. Extracellular vesicles (EVs), as messengers for intercellular communication, are involved in biological and pathological processes in central nervous system (CNS) diseases and injuries. The number and characteristics of EVs and their cargo in the CNS and peripheral circulation undergo tremendous changes in response to TBI, and these EVs regulate neuroinflammatory reactions by activating prominent receptors on receptor cells or delivering pro- or anti-inflammatory cargo to receptor cells. The purpose of this review is to discuss the possible neuroinflammatory mechanisms of EVs and loading in the context of TBI. Furthermore, we summarize the potential role of diverse types of cell-derived EVs in inflammation following TBI.
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Affiliation(s)
- Xilei Liu
- Department of Urology, Tianjin Medical University General Hospital, Tianjin, China
| | - Lan Zhang
- Tianjin Geriatrics Institute, Tianjin Medical University General Hospital, Tianjin, China
| | - Yiyao Cao
- Tianjin Geriatrics Institute, Tianjin Medical University General Hospital, Tianjin, China,Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China,Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Repair and Regeneration in Central Nervous System, Tianjin, China
| | - Haoran Jia
- Tianjin Geriatrics Institute, Tianjin Medical University General Hospital, Tianjin, China,Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China,Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Repair and Regeneration in Central Nervous System, Tianjin, China
| | - Xiaotian Li
- Tianjin Geriatrics Institute, Tianjin Medical University General Hospital, Tianjin, China,Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China,Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Repair and Regeneration in Central Nervous System, Tianjin, China
| | - Fanjian Li
- Tianjin Geriatrics Institute, Tianjin Medical University General Hospital, Tianjin, China,Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China,Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Repair and Regeneration in Central Nervous System, Tianjin, China
| | - Shu Zhang
- Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Repair and Regeneration in Central Nervous System, Tianjin, China,*Correspondence: Jianning Zhang, ; Shu Zhang,
| | - Jianning Zhang
- Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Repair and Regeneration in Central Nervous System, Tianjin, China,*Correspondence: Jianning Zhang, ; Shu Zhang,
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Understanding the Molecular Progression of Chronic Traumatic Encephalopathy in Traumatic Brain Injury, Aging and Neurodegenerative Disease. Int J Mol Sci 2023; 24:ijms24031847. [PMID: 36768171 PMCID: PMC9915198 DOI: 10.3390/ijms24031847] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 01/11/2023] [Accepted: 01/12/2023] [Indexed: 01/19/2023] Open
Abstract
Traumatic brain injury (TBI) is one of the leading causes of death and disability among children and adults in America. In addition, the acute morbidity caused by TBI is implicated in the development of devastating neuropsychiatric and neurodegenerative sequela. TBI is associated with the development of a neurodegenerative condition termed 'Punch Drunk syndrome' or 'dementia pugilistica', and the more recently renamed 'chronic traumatic encephalopathy'. Chronic traumatic encephalopathy (CTE) is a slowly progressive neurodegenerative condition caused by a single or repetitive blow to the head. CTE was first described in boxers and was later found to be associated with other contact sports and military combat. It is defined by a constellation of symptoms consisting of mood disorders, cognitive impairment, and memory loss with or without sensorimotor changes. It is also a Tauopathy characterized by the deposition of hyperphosphorylated Tau protein in the form of neurofibrillary tangles, astrocytoma tangles, and abnormal neurites found in clusters around small vessels, typically at the sulcal depths. Oxidative stress, neuroinflammation, and glutaminergic toxicity caused due to the insult play a role in developing this pathology. Additionally, the changes in the brain due to aging also plays an important role in the development of this condition. In this review, we discuss the molecular mechanisms behind the development of CTE, as well as genetic and environmental influences on its pathophysiology.
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29
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Chen L, Xia S, Zuo Y, Lin Y, Qiu X, Chen Q, Feng T, Xia X, Shao Q, Wang S. Systemic immune inflammation index and peripheral blood carbon dioxide concentration at admission predict poor prognosis in patients with severe traumatic brain injury. Front Immunol 2023; 13:1034916. [PMID: 36700228 PMCID: PMC9868584 DOI: 10.3389/fimmu.2022.1034916] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 12/22/2022] [Indexed: 01/11/2023] Open
Abstract
Background Recent studies have shown that systemic inflammation responses and hyperventilation are associated with poor outcomes in patients with severe traumatic brain injury (TBI). The aim of this retrospective study was to investigate the relationships between the systemic immune inflammation index (SII = platelet × neutrophil/lymphocyte) and peripheral blood CO2 concentration at admission with the Glasgow Outcome Score (GOS) at 6 months after discharge in patients with severe TBI. Methods We retrospectively analyzed the clinical data for 1266 patients with severe TBI at three large medical centers from January 2016 to December 2021, and recorded the GOS 6 months after discharge. The receiver operating characteristic (ROC) curve was used to determine the best cutoff values for SII, CO2, neutrophil to lymphocyte ratio (NLR), platelet to lymphocyte ratio (PLR), and lymphocyte to monocyte ratio (LMR), and chi-square tests were used to evaluate the relationships among SII, CO2 and the basic clinical characteristics of patients with TBI. Multivariate logistic regression analysis was used to determine the independent prognostic factors for GOS in patients with severe TBI. Finally, ROC curve, nomogram, calibration curve and decision curve analyses were used to evaluate the value of SII and coSII-CO2 in predicting the prognosis of patients with severe TBI. And we used the multifactor regression analysis method to build the CRASH model and the IMPACT model. The CRASH model included age, GCS score (GCS, Glasgow Coma Scale) and Pupillary reflex to light: one, both, none. The IMPACT model includes age, motor score and Pupillary reflex to light: one, both, none. Results The ROC curves indicated that the best cutoff values of SII, CO2, PLR, NLR and LMR were 2651.43×109, 22.15mmol/L, 190.98×109, 9.66×109 and 1.5×109, respectively. The GOS at 6 months after discharge of patients with high SII and low CO2 were significantly poorer than those with low SII and high CO2. Multivariate logistic regression analysis revealed that age, systolic blood pressure (SBP), pupil size, subarachnoid hemorrhage (SAH), SII, PLR, serum potassium concentration [K+], serum calcium concentration [Ca2+], international normalized ratio (INR), C-reactive protein (CRP) and co-systemic immune inflammation index combined with carbon dioxide (coSII-CO2) (P < 0.001) were independent prognostic factors for GOS in patients with severe TBI. In the training group, the C-index was 0.837 with SII and 0.860 with coSII-CO2. In the external validation group, the C-index was 0.907 with SII and 0.916 with coSII-CO2. Decision curve analysis confirmed a superior net clinical benefit with coSII-CO2 rather than SII in most cases. Furthermore, the calibration curve for the probability of GOS 6 months after discharge showed better agreement with the observed results when based on the coSII-CO2 rather than the SII nomogram. According to machine learning, coSII-CO2 ranked first in importance and was followed by pupil size, then SII. Conclusions SII and CO2 have better predictive performance than NLR, PLR and LMR. SII and CO2 can be used as new, accurate and objective clinical predictors, and coSII-CO2, based on combining SII with CO2, can be used to improve the accuracy of GOS prediction in patients with TBI 6 months after discharge.
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Affiliation(s)
- Li Chen
- Department of Neurosurgery, Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, Fujian, China
| | - Shaohuai Xia
- Department of Neurosurgery, Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, China
| | - Yi Zuo
- Department of Geriatrics, Affiliated Huai’an No.2 People’s Hospital of Xuzhou Medical University, Huai’an, Jiangsu, China
| | - Yinghong Lin
- Department of Neurosurgery, 900th Hospital, Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, China
| | - Xianshen Qiu
- Department of Neurosurgery, Ganzhou People's Hospital, No.16 Meiguan Avenue, Zhanggong District, Ganzhou, Jiangxi, China
| | - Qizuan Chen
- Department of Neurosurgery, 900th Hospital, Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, China
| | - Tianshun Feng
- Department of Neurosurgery, 900th Hospital, Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, China
| | - Xuewei Xia
- Department of Neurosurgery, Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, China,*Correspondence: Xuewei Xia, ; Qixiang Shao, ; Shousen Wang,
| | - Qixiang Shao
- Institute of Medical Genetics and Reproductive Immunity, School of Medical Science and Laboratory Medicine, Jiangsu College of Nursing, No.2 the Yellow River West Road Huai'an, Jiangsu, China,*Correspondence: Xuewei Xia, ; Qixiang Shao, ; Shousen Wang,
| | - Shousen Wang
- Department of Neurosurgery, Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, Fujian, China,Department of Neurosurgery, 900th Hospital, Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, China,*Correspondence: Xuewei Xia, ; Qixiang Shao, ; Shousen Wang,
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Abstract
OBJECTIVE Depression is among the most pervasive and debilitating neuropsychiatric sequelae experienced by patients following a traumatic brain injury (TBI). While the individual mechanisms underlying depression and TBI have been widely studied, the neurobiological bases of depression after TBI remain largely unknown. This article highlights the potential mechanisms of action implicated in depression after TBI. RESULTS We review putative mechanisms of action including neuroinflammation, neuroendocrine dysregulation, metabolic abnormalities, and neurotransmitter and circuitry dysfunction. We also identify the current limitations in the field and propose directions for future research. CONCLUSION An improved understanding of the underlying mechanisms will aid the development of precision-guided and personalized treatments for patients suffering from depression after TBI.
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Affiliation(s)
- Aava Bushra Jahan
- Department of Psychiatry, Massachusetts General Hospital, Boston, Massachusetts, US.,Department of Social and Behavioral Sciences, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, US
| | - Kaloyan Tanev
- Department of Psychiatry, Massachusetts General Hospital, Boston, Massachusetts, US
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31
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Dhote VV, Samundre P, Upaganlawar AB, Ganeshpurkar A. Gene Therapy for Chronic Traumatic Brain Injury: Challenges in Resolving Long-term Consequences of Brain Damage. Curr Gene Ther 2023; 23:3-19. [PMID: 34814817 DOI: 10.2174/1566523221666211123101441] [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: 04/04/2021] [Revised: 09/07/2021] [Accepted: 09/09/2021] [Indexed: 02/08/2023]
Abstract
The gene therapy is alluring not only for CNS disorders but also for other pathological conditions. Gene therapy employs the insertion of a healthy gene into the identified genome to replace or replenish genes responsible for pathological disorder or damage due to trauma. The last decade has seen a drastic change in the understanding of vital aspects of gene therapy. Despite the complexity of traumatic brain injury (TBI), the advent of gene therapy in various neurodegenerative disorders has reinforced the ongoing efforts of alleviating TBI-related outcomes with gene therapy. The review highlights the genes modulated in response to TBI and evaluates their impact on the severity and duration of the injury. We have reviewed strategies that pinpointed the most relevant gene targets to restrict debilitating events of brain trauma and utilize vector of choice to deliver the gene of interest at the appropriate site. We have made an attempt to summarize the long-term neurobehavioral consequences of TBI due to numerous pathometabolic perturbations associated with a plethora of genes. Herein, we shed light on the basic pathological mechanisms of brain injury, genetic polymorphism in individuals susceptible to severe outcomes, modulation of gene expression due to TBI, and identification of genes for their possible use in gene therapy. The review also provides insights on the use of vectors and challenges in translations of this gene therapy to clinical practices.
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Affiliation(s)
- Vipin V Dhote
- Faculty of Pharmacy, VNS Group of Institutions, Bhopal, MP, 462044, India
| | - Prem Samundre
- Faculty of Pharmacy, VNS Group of Institutions, Bhopal, MP, 462044, India
| | - Aman B Upaganlawar
- SNJB's Shree Sureshdada Jain College of Pharmacy, Chandwad, Nasik, Maharashtra, 423101, India
| | - Aditya Ganeshpurkar
- Department of Pharmacy, Shri Ram Institute of Technology, Jabalpur, MP, India
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32
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Miljevic C, Munjiza-Jovanovic A, Jovanovic T. Impact of Childhood Adversity, as Early Life Distress, on Cytokine Alterations in Schizophrenia. Neuropsychiatr Dis Treat 2023; 19:579-586. [PMID: 36938321 PMCID: PMC10015972 DOI: 10.2147/ndt.s396168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 02/23/2023] [Indexed: 03/21/2023] Open
Abstract
Even though inflammation theory has been introduced in the pathophysiology of psychosis almost a century ago, many of its aspects have remained unelucidated. Numerous studies have shown cytokine dysregulation in schizophrenia and a predominance of pro-inflammatory cytokines, but on another side, various cytokines in a pro-inflammatory group have different trends in all subtypes of schizophrenia. Alterations are also present in anti-inflammatory and regulatory cytokines, but findings are still not consistent. On the other hand, it is well known that abuse and neglect in childhood may be predictors of psychotic disorders, and childhood adversity is also associated with alterations of the immune and inflammatory response (through various mechanisms including HPA dysregulation as well). This review aims to analyze conducted studies and elucidate the link between childhood abuse, schizophrenia, and cytokine alterations. Putting together this complex psycho-immunological puzzle for the subgroup of schizophrenia-diagnosed patients with distinct immunological abnormalities and a history of childhood abuse can help us to answer the question about the future treatment of these patients.
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Affiliation(s)
- Cedo Miljevic
- Department of Psychiatry, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
- Clinical Trial Unit, Institute of Mental Health, Belgrade, Serbia
- Correspondence: Cedo Miljevic, Department of Psychiatry, Faculty of Medicine, University of Belgrade, Milana Kasanina 3, Belgrade, 11 000, Serbia, Tel +381 11 3307500, Fax +381 33 40 629, Email
| | - Ana Munjiza-Jovanovic
- Department of Psychiatry, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
- Day Hospital for Adolescents, Institute of Mental Health, Belgrade, Serbia
| | - Teodora Jovanovic
- Department for Psychotic Disorders, Institute of Mental Health, Belgrade, Serbia
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Oshaghi M, Kourosh-Arami M, Roozbehkia M. Role of neurotransmitters in immune-mediated inflammatory disorders: a crosstalk between the nervous and immune systems. Neurol Sci 2023; 44:99-113. [PMID: 36169755 DOI: 10.1007/s10072-022-06413-0] [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: 05/11/2022] [Accepted: 09/14/2022] [Indexed: 02/07/2023]
Abstract
Immune-mediated inflammatory diseases (IMIDs) are a group of common heterogeneous disorders, characterized by an alteration of cellular homeostasis. Primarily, it has been shown that the release and diffusion of neurotransmitters from nervous tissue could result in signaling through lymphocyte cell-surface receptors and the modulation of immune function. This finding led to the idea that the neurotransmitters could serve as immunomodulators. It is now manifested that neurotransmitters can also be released from leukocytes and act as autocrine or paracrine modulators. Increasing data indicate that there is a crosstalk between inflammation and alterations in neurotransmission. The primary goal of this review is to demonstrate how these two pathways may converge at the level of the neuron and glia to involve in IMID. We review the role of neurotransmitters in IMID. The different effects that these compounds exert on a variety of immune cells are also reviewed. Current and future developments in understanding the cross-talk between the immune and nervous systems will undoubtedly identify new ways for treating immune-mediated diseases utilizing agonists or antagonists of neurotransmitter receptors.
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Affiliation(s)
- Mojgan Oshaghi
- Department of Medical Laboratory Science, Faculty of Allied Medical Sciences, Iran University of Medical Sciences, Tehran, Iran
| | - Masoumeh Kourosh-Arami
- Department of Neuroscience, School of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Maryam Roozbehkia
- Department of Medical Laboratory Science, Faculty of Allied Medical Sciences, Iran University of Medical Sciences, Tehran, Iran.
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Rauchman SH, Zubair A, Jacob B, Rauchman D, Pinkhasov A, Placantonakis DG, Reiss AB. Traumatic brain injury: Mechanisms, manifestations, and visual sequelae. Front Neurosci 2023; 17:1090672. [PMID: 36908792 PMCID: PMC9995859 DOI: 10.3389/fnins.2023.1090672] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Accepted: 02/06/2023] [Indexed: 02/25/2023] Open
Abstract
Traumatic brain injury (TBI) results when external physical forces impact the head with sufficient intensity to cause damage to the brain. TBI can be mild, moderate, or severe and may have long-term consequences including visual difficulties, cognitive deficits, headache, pain, sleep disturbances, and post-traumatic epilepsy. Disruption of the normal functioning of the brain leads to a cascade of effects with molecular and anatomical changes, persistent neuronal hyperexcitation, neuroinflammation, and neuronal loss. Destructive processes that occur at the cellular and molecular level lead to inflammation, oxidative stress, calcium dysregulation, and apoptosis. Vascular damage, ischemia and loss of blood brain barrier integrity contribute to destruction of brain tissue. This review focuses on the cellular damage incited during TBI and the frequently life-altering lasting effects of this destruction on vision, cognition, balance, and sleep. The wide range of visual complaints associated with TBI are addressed and repair processes where there is potential for intervention and neuronal preservation are highlighted.
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Affiliation(s)
| | - Aarij Zubair
- NYU Long Island School of Medicine, Mineola, NY, United States
| | - Benna Jacob
- NYU Long Island School of Medicine, Mineola, NY, United States
| | - Danielle Rauchman
- Department of Neuroscience, University of California, Santa Barbara, Santa Barbara, CA, United States
| | - Aaron Pinkhasov
- NYU Long Island School of Medicine, Mineola, NY, United States
| | | | - Allison B Reiss
- NYU Long Island School of Medicine, Mineola, NY, United States
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Costantini E, Jarlapoodi S, Serra F, Aielli L, Khan H, Belwal T, Falasca K, Reale M. Neuroprotective Potential of Bacopa monnieri: Modulation of Inflammatory Signals. CNS & NEUROLOGICAL DISORDERS DRUG TARGETS 2023; 22:441-451. [PMID: 35021981 DOI: 10.2174/1871527321666220111124047] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 10/25/2021] [Accepted: 11/12/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND To date, much evidence has shown the increased interest in natural molecules and traditional herbal medicine as alternative bioactive compounds to fight many inflammatory conditions, both in relation to immunomodulation and in terms of their wound healing potential. Bacopa monnieri is a herb that is used in the Ayurvedic medicine tradition for its anti-inflammatory activity. OBJECTIVE In this study, we evaluate the anti-inflammatory and regenerative properties of the Bacopa monnieri extract (BME) in vitro model of neuroinflammation. METHODS Neuronal SH-SY5Y cells were stimulated with TNFα and IFNγ and used to evaluate the effect of BME on cell viability, cytotoxicity, cytokine gene expression, and healing rate. RESULTS Our results showed that BME protects against the Okadaic acid-induced cytotoxicity in SH-SY5Y cells. Moreover, in TNFα and IFNγ primed cells, BME reduces IL-1β, IL-6, COX-2, and iNOS, mitigates the mechanical trauma injury-induced damage, and accelerates the healing of wounds. CONCLUSION This study indicates that BME might become a promising candidate for the treatment of neuroinflammation.
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Affiliation(s)
- Erica Costantini
- Department of Medicine and Science of Aging, University "G.d'Annunzio", Via dei Vestini 66100 Chieti, Italy
| | - Srinivas Jarlapoodi
- Department of Innovative Technologies in Medicine and Dentistry, University "G.d'Annunzio", Via dei Vestini 66100 Chieti, Italy
| | - Federica Serra
- Department of Pharmacy, University "G.d'Annunzio", Via dei Vestini 66100 Chieti, Italy
| | - Lisa Aielli
- Department of Innovative Technologies in Medicine and Dentistry, University "G.d'Annunzio", Via dei Vestini 66100 Chieti, Italy
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University, Mardan 23200, Pakistan
| | - Tarun Belwal
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Katia Falasca
- Department of Medicine and Science of Aging, University "G.d'Annunzio", Via dei Vestini 66100 Chieti, Italy
| | - Marcella Reale
- Department of Innovative Technologies in Medicine and Dentistry, University "G.d'Annunzio", Via dei Vestini 66100 Chieti, Italy
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Lee SJ, Logsdon AF, Yagi M, Baskin BM, Peskind ER, Raskind MM, Cook DG, Schindler AG. The dynorphin/kappa opioid receptor mediates adverse immunological and behavioral outcomes induced by repetitive blast trauma. J Neuroinflammation 2022; 19:288. [PMID: 36463243 PMCID: PMC9719647 DOI: 10.1186/s12974-022-02643-3] [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: 08/31/2022] [Accepted: 11/11/2022] [Indexed: 12/04/2022] Open
Abstract
BACKGROUND Adverse pathophysiological and behavioral outcomes related to mild traumatic brain injury (mTBI), posttraumatic stress disorder (PTSD), and chronic pain are common following blast exposure and contribute to decreased quality of life, but underlying mechanisms and prophylactic/treatment options remain limited. The dynorphin/kappa opioid receptor (KOR) system helps regulate behavioral and inflammatory responses to stress and injury; however, it has yet to be investigated as a potential mechanism in either humans or animals exposed to blast. We hypothesized that blast-induced KOR activation mediates adverse outcomes related to inflammation and affective behavioral response. METHODS C57Bl/6 adult male mice were singly or repeatedly exposed to either sham (anesthesia only) or blast delivered by a pneumatic shock tube. The selective KOR antagonist norBNI or vehicle (saline) was administered 72 h prior to repetitive blast or sham exposure. Serum and brain were collected 10 min or 4 h post-exposure for dynorphin A-like immunoreactivity and cytokine measurements, respectively. At 1-month post-exposure, mice were tested in a series of behavioral assays related to adverse outcomes reported by humans with blast trauma. RESULTS Repetitive but not single blast exposure resulted in increased brain dynorphin A-like immunoreactivity. norBNI pretreatment blocked or significantly reduced blast-induced increase in serum and brain cytokines, including IL-6, at 4 h post exposure and aversive/anxiety-like behavioral dysfunction at 1-month post-exposure. CONCLUSIONS Our findings demonstrate a previously unreported role for the dynorphin/KOR system as a mediator of biochemical and behavioral dysfunction following repetitive blast exposure and highlight this system as a potential prophylactic/therapeutic treatment target.
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Affiliation(s)
- Suhjung Janet Lee
- grid.413919.70000 0004 0420 6540VA Northwest Geriatric Research Education and Clinical Center, VA Puget Sound Health Care System, S182, 1660 South Columbian Way, Seattle, WA 98108 USA
| | - Aric F. Logsdon
- grid.413919.70000 0004 0420 6540VA Northwest Geriatric Research Education and Clinical Center, VA Puget Sound Health Care System, S182, 1660 South Columbian Way, Seattle, WA 98108 USA ,grid.34477.330000000122986657Department of Medicine, Division of Gerontology and Geriatric Medicine, University of Washington, Seattle, WA 98195 USA
| | - Mayumi Yagi
- grid.413919.70000 0004 0420 6540VA Northwest Geriatric Research Education and Clinical Center, VA Puget Sound Health Care System, S182, 1660 South Columbian Way, Seattle, WA 98108 USA
| | - Britahny M. Baskin
- grid.34477.330000000122986657Graduate Program in Neuroscience, University of Washington, Seattle, WA 98195 USA
| | - Elaine. R. Peskind
- grid.413919.70000 0004 0420 6540VA Northwest Mental Illness Research, Education, and Clinical Center, VA Puget Sound Health Care System, Seattle, WA 98108 USA ,grid.34477.330000000122986657Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, WA 98195 USA
| | - Murray M. Raskind
- grid.413919.70000 0004 0420 6540VA Northwest Mental Illness Research, Education, and Clinical Center, VA Puget Sound Health Care System, Seattle, WA 98108 USA ,grid.34477.330000000122986657Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, WA 98195 USA
| | - David G. Cook
- grid.413919.70000 0004 0420 6540VA Northwest Geriatric Research Education and Clinical Center, VA Puget Sound Health Care System, S182, 1660 South Columbian Way, Seattle, WA 98108 USA ,grid.34477.330000000122986657Graduate Program in Neuroscience, University of Washington, Seattle, WA 98195 USA ,grid.34477.330000000122986657Department of Medicine, Division of Gerontology and Geriatric Medicine, University of Washington, Seattle, WA 98195 USA ,grid.34477.330000000122986657Department of Pharmacology, University of Washington, Seattle, WA 98195 USA
| | - Abigail. G. Schindler
- grid.413919.70000 0004 0420 6540VA Northwest Geriatric Research Education and Clinical Center, VA Puget Sound Health Care System, S182, 1660 South Columbian Way, Seattle, WA 98108 USA ,grid.34477.330000000122986657Graduate Program in Neuroscience, University of Washington, Seattle, WA 98195 USA ,grid.34477.330000000122986657Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, WA 98195 USA ,grid.34477.330000000122986657Department of Medicine, Division of Gerontology and Geriatric Medicine, University of Washington, Seattle, WA 98195 USA
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Creech M, Carvalho L, McCoy H, Jacobs J, Hinson HE. Mass Spectrometry-Based Approaches for Clinical Biomarker Discovery in Traumatic Brain Injury. Curr Treat Options Neurol 2022; 24:605-618. [PMID: 37025501 PMCID: PMC10072855 DOI: 10.1007/s11940-022-00742-3] [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] [Accepted: 09/06/2022] [Indexed: 11/28/2022]
Abstract
Purpose of Review Precision treatments to address the multifaceted pathophysiology of traumatic brain injury (TBI) are desperately needed, which has led to the intense study of fluid-based protein biomarkers in TBI. Mass Spectrometry (MS) is increasingly being applied to biomarker discovery and quantification in neurological disease to explore the proteome, allowing for more flexibility in biomarker discovery than commonly encountered antibody-based assays. In this narrative review, we will provide specific examples of how MS technology has advanced translational research in traumatic brain injury (TBI) focusing on clinical studies, and looking ahead to promising emerging applications of MS to the field of Neurocritical Care. Recent Findings Proteomic biomarker discovery using MS technology in human subjects has included the full range of injury severity in TBI, though critically ill patients can offer more options to biofluids given the need for invasive monitoring. Blood, urine, cerebrospinal fluid, brain specimens, and cerebral extracellular fluid have all been sources for analysis. Emerging evidence suggests there are distinct proteomic profiles in radiographic TBI subtypes, and that biomarkers may be used to distinguish patients sustaining TBI from healthy controls. Metabolomics may offer a window into the perturbations of ongoing cerebral insults in critically ill patients after severe TBI. Summary Emerging MS technologies may offer biomarker discovery and validation opportunities not afforded by conventional means due to its ability to handle the complexities associated with the proteome. While MS techniques are relatively early in development in the neurosciences space, the potential applications to TBI and neurocritical care are likely to accelerate in the coming decade.
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Affiliation(s)
- Matthew Creech
- Department of Neurology, Oregon Health and Science University, Portland OR
| | - Lindsey Carvalho
- Department of Neurology, Oregon Health and Science University, Portland OR
| | - Heather McCoy
- Biological Sciences Division, Pacific Northwest National Laboratories, Richland, WA
| | - Jon Jacobs
- Biological Sciences Division, Pacific Northwest National Laboratories, Richland, WA
| | - H E Hinson
- Department of Neurology, Oregon Health and Science University, Portland OR
- Department of Emergency Medicine, Oregon Health and Science University, Portland OR
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Ronca SE, Gunter SM, Kairis RB, Lino A, Romero J, Pautler RG, Nimmo A, Murray KO. A Potential Role for Substance P in West Nile Virus Neuropathogenesis. Viruses 2022; 14:v14091961. [PMID: 36146768 PMCID: PMC9503494 DOI: 10.3390/v14091961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 08/29/2022] [Indexed: 11/16/2022] Open
Abstract
Of individuals who develop West Nile neuroinvasive disease (WNND), ~10% will die and >40% will develop long-term complications. Current treatment recommendations solely focus on supportive care; therefore, we urgently need to identify novel and effective therapeutic options. We observed a correlation between substance P (SP), a key player in neuroinflammation, and its receptor Neurokinin-1 (NK1R). Our study in a wild-type BL6 mouse model found that SP is upregulated in the brain during infection, which correlated with neuroinvasion and damage to the blood−brain barrier. Blocking the SP/NK1R interaction beginning at disease onset modestly improved survival and prolonged time to death in a small pilot study. Although SP is significantly increased in the brain of untreated WNND mice when compared to mock-infected animals, levels of WNV are unchanged, indicating that SP likely does not play a role in viral replication but may mediate the immune response to infection. Additional studies are necessary to define if SP plays a mechanistic role or if it represents other mechanistic pathways.
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Affiliation(s)
- Shannon E. Ronca
- Division of Tropical Medicine, Department of Pediatrics, National School of Tropical Medicine, Baylor College of Medicine and Texas Children’s Hospital, Houston, TX 77030, USA
- Correspondence: (S.E.R.); (K.O.M.)
| | - Sarah M. Gunter
- Division of Tropical Medicine, Department of Pediatrics, National School of Tropical Medicine, Baylor College of Medicine and Texas Children’s Hospital, Houston, TX 77030, USA
| | - Rebecca Berry Kairis
- Division of Tropical Medicine, Department of Pediatrics, National School of Tropical Medicine, Baylor College of Medicine and Texas Children’s Hospital, Houston, TX 77030, USA
| | - Allison Lino
- Division of Tropical Medicine, Department of Pediatrics, National School of Tropical Medicine, Baylor College of Medicine and Texas Children’s Hospital, Houston, TX 77030, USA
| | - Jonathan Romero
- Department of Molecular Physiology and Biophysics, Baylor College of Medicine, 1 Baylor Plaza, Houston, TX 77030, USA
| | - Robia G. Pautler
- Department of Molecular Physiology and Biophysics, Baylor College of Medicine, 1 Baylor Plaza, Houston, TX 77030, USA
| | - Alan Nimmo
- Centre for Molecular Therapeutics and College of Medicine and Dentistry, James Cook University, Cairns, QLD 4878, Australia
| | - Kristy O. Murray
- Division of Tropical Medicine, Department of Pediatrics, National School of Tropical Medicine, Baylor College of Medicine and Texas Children’s Hospital, Houston, TX 77030, USA
- Correspondence: (S.E.R.); (K.O.M.)
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Longterm Increased S100B Enhances Hippocampal Progenitor Cell Proliferation in a Transgenic Mouse Model. Int J Mol Sci 2022; 23:ijms23179600. [PMID: 36076994 PMCID: PMC9455494 DOI: 10.3390/ijms23179600] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Revised: 07/13/2022] [Accepted: 08/19/2022] [Indexed: 12/11/2022] Open
Abstract
(1) The neurotrophic protein S100B is a marker of brain injury and has been associated with neuroregeneration. In S100Btg mice rendering 12 copies of the murine S100B gene we evaluated whether S100B may serve as a treatment option. (2) In juvenile, adult, and one-year-old S100Btg mice (female and male; n = 8 per group), progenitor cell proliferation was quantified in the subgranular zone (SGZ) and the granular cell layer (GCL) of the dentate gyrus with the proliferative marker Ki67 and BrdU (50 mg/kg). Concomitant signaling was quantified utilizing glial fibrillary acidic protein (GFAP), apolipoprotein E (ApoE), brain-derived neurotrophic factor (BDNF), and the receptor for advanced glycation end products (RAGE) immunohistochemistry. (3) Progenitor cell proliferation in the SGZ and migration to the GCL was enhanced. Hippocampal GFAP was reduced in one-year-old S100Btg mice. ApoE in the hippocampus and frontal cortex of male and BDNF in the frontal cortex of female S100Btg mice was reduced. RAGE was not affected. (4) Enhanced hippocampal neurogenesis in S100Btg mice was not accompanied by reactive astrogliosis. Sex- and brain region-specific variations of ApoE and BDNF require further elucidations. Our data reinforce the importance of this S100Btg model in evaluating the role of S100B in neuroregenerative medicine.
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Wang R, Hua Y, He M, Xu J. Prognostic Value of Serum Procalcitonin Based Model in Moderate to Severe Traumatic Brain Injury Patients. J Inflamm Res 2022; 15:4981-4993. [PMID: 36065318 PMCID: PMC9440674 DOI: 10.2147/jir.s358621] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Accepted: 08/09/2022] [Indexed: 11/23/2022] Open
Abstract
Objective Procalcitonin (PCT) is an acknowledged marker of systemic inflammatory response. Previous studies have not reached agreement on the association between serum PCT and outcome of traumatic brain injury (TBI) patients. We designed this study to confirm the prognostic value of PCT in isolated TBI and those with extracranial injury, respectively. Methods Patients hospitalized in our hospital for moderate-to-severe TBI between March 2015 and December 2019 were included. Logistic regression analysis was performed to validate the association between PCT and in-hospital mortality in these patients. AUC (area under the receiver operating characteristics curve) of PCT and constructed model were calculated and compared. Results Among the included 211 patients, 81 patients suffered a poor outcome, with a mortality rate of 38.4%. Non-survivors had a higher level of serum PCT (2.73 vs 0.72, p<0.001) and lower GCS (5 vs 7, p<0.001) on admission than survivors. AUC of single PCT for predicting mortality in isolated TBI and those with extracranial injury were 0.767 and 0.553, respectively. Multivariate logistic regression showed that GCS (OR=0.744, p=0.008), glucose (OR=1.236, p<0.001), cholesterol (OR=0.526, p=0.002), and PCT (OR=1.107, p=0.022) were independently associated with mortality of isolated TBI. The AUC of the prognostic model composed of GCS, glucose, cholesterol, and PCT was 0.868 in isolated TBI. Conclusion PCT is an efficient marker of outcome in isolated moderate-to-severe TBI but not those with extracranial injury. A prognostic model incorporating PCT is useful for clinicians to make early risk stratification for isolated TBI.
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Affiliation(s)
- Ruoran Wang
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, People’s Republic of China
| | - Yusi Hua
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, People’s Republic of China
| | - Min He
- Department of Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, People’s Republic of China
- Min He, Department of Critical Care Medicine, West China Hospital, Sichuan University, No. 37, Guoxue Alley, Chengdu, 610041, People’s Republic of China, Email
| | - Jianguo Xu
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, People’s Republic of China
- Correspondence: Jianguo Xu, Department of Neurosurgery, West China Hospital, Sichuan University, No. 37, Guoxue Alley, Chengdu, 610041, People’s Republic of China, Email
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Doğanyiğit Z, Erbakan K, Akyuz E, Polat AK, Arulsamy A, Shaikh MF. The Role of Neuroinflammatory Mediators in the Pathogenesis of Traumatic Brain Injury: A Narrative Review. ACS Chem Neurosci 2022; 13:1835-1848. [PMID: 35732021 DOI: 10.1021/acschemneuro.2c00196] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Traumatic brain injury (TBI) is a debilitating acquired neurological disorder that afflicts nearly 74 million people worldwide annually. TBI has been classified as more than just a single insult because of its associated risk toward various long-term neurological and neurodegenerative disorders. This risk may be triggered by a series of postinjury secondary molecular and cellular pathology, which may be dependent on the severity of the TBI. Among the secondary injury mechanisms, neuroinflammation may be the most crucial as it may exacerbate brain damage and lead to fatal consequences when prolonged. This Review aimed to elucidate the influence of neuroinflammatory mediators on the TBI functional and pathological outcomes, particularly focusing on inflammatory cytokines which were associated with neuronal dysfunctions in the acute and chronic stages of TBI. These cytokines include interleukins (IL) such as IL-1(beta)β, IL-4, IL-6, IL8, IL-10, IL-18, IL-33 and tumor necrosis factor alpha (TNF-α), which have been extensively studied. Apart from these, IL-2, interferon gamma (IFN-γ), and transforming growth factor-beta (TGF-β) may also play a significant role in the pathogenesis of TBI. These neuroinflammatory mediators may trigger a series of pathological events such as cell death, microglial suppression, and increased catecholaminergic activity. Interestingly, in the acute phase of TBI, most of these mediators may also play a neuroprotective role by displaying anti-inflammatory properties, which may convert to a pro-inflammatory action in the chronic stages post TBI. Early identification and treatment of these mediators may help the development of more effective treatment options for TBI.
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Affiliation(s)
- Züleyha Doğanyiğit
- Department of Histology and Embryology, Faculty of Medicine, Yozgat Bozok University, Yozgat 66100, Turkey
| | - Kaan Erbakan
- Ordu University, Faculty of Medicine, Ordu 52200, Turkey
| | - Enes Akyuz
- University of Health Sciences, Hamidiye International Faculty of Medicine, Department of Biophysics, Istanbul 34668, Turkey
| | | | - Alina Arulsamy
- Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway 47500, Malaysia
| | - Mohd Farooq Shaikh
- Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway 47500, Malaysia
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Wei T, Zhou M, Gu L, Zhou Y, Li M. How Shockwaves Open Tight Junctions of Blood–Brain Barrier: Comparison of Three Biomechanical Effects. J Phys Chem B 2022; 126:5094-5102. [DOI: 10.1021/acs.jpcb.2c02903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Tong Wei
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei 230026, China
- Institute of Chemical Materials, China Academy of Engineering and Physics, Mianyang 621900, China
| | - Mi Zhou
- Institute of Chemical Materials, China Academy of Engineering and Physics, Mianyang 621900, China
| | - Lingzhi Gu
- Institute of Chemical Materials, China Academy of Engineering and Physics, Mianyang 621900, China
| | - Yang Zhou
- Institute of Chemical Materials, China Academy of Engineering and Physics, Mianyang 621900, China
| | - Ming Li
- Institute of Chemical Materials, China Academy of Engineering and Physics, Mianyang 621900, China
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Mesenchymal Stem Cell Therapy: A Potential Treatment Targeting Pathological Manifestations of Traumatic Brain Injury. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:4645021. [PMID: 35757508 PMCID: PMC9217616 DOI: 10.1155/2022/4645021] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 05/30/2022] [Indexed: 01/02/2023]
Abstract
Traumatic brain injury (TBI) makes up a large proportion of acute brain injuries and is a major cause of disability globally. Its complicated etiology and pathogenesis mainly include primary injury and secondary injury over time, which can cause cognitive deficits, physical disabilities, mood changes, and impaired verbal communication. Recently, mesenchymal stromal cell- (MSC-) based therapy has shown significant therapeutic potential to target TBI-induced pathological processes, such as oxidative stress, neuroinflammation, apoptosis, and mitochondrial dysfunction. In this review, we discuss the main pathological processes of TBI and summarize the underlying mechanisms of MSC-based TBI treatment. We also discuss research progress in the field of MSC therapy in TBI as well as major shortcomings and the great potential shown.
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Kocheril PA, Moore SC, Lenz KD, Mukundan H, Lilley LM. Progress Toward a Multiomic Understanding of Traumatic Brain Injury: A Review. Biomark Insights 2022; 17:11772719221105145. [PMID: 35719705 PMCID: PMC9201320 DOI: 10.1177/11772719221105145] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 05/17/2022] [Indexed: 12/11/2022] Open
Abstract
Traumatic brain injury (TBI) is not a single disease state but describes an array
of conditions associated with insult or injury to the brain. While some
individuals with TBI recover within a few days or months, others present with
persistent symptoms that can cause disability, neuropsychological trauma, and
even death. Understanding, diagnosing, and treating TBI is extremely complex for
many reasons, including the variable biomechanics of head impact, differences in
severity and location of injury, and individual patient characteristics. Because
of these confounding factors, the development of reliable diagnostics and
targeted treatments for brain injury remains elusive. We argue that the
development of effective diagnostic and therapeutic strategies for TBI requires
a deep understanding of human neurophysiology at the molecular level and that
the framework of multiomics may provide some effective solutions for the
diagnosis and treatment of this challenging condition. To this end, we present
here a comprehensive review of TBI biomarker candidates from across the
multiomic disciplines and compare them with known signatures associated with
other neuropsychological conditions, including Alzheimer’s disease and
Parkinson’s disease. We believe that this integrated view will facilitate a
deeper understanding of the pathophysiology of TBI and its potential links to
other neurological diseases.
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Affiliation(s)
- Philip A Kocheril
- Physical Chemistry and Applied Spectroscopy Group, Chemistry Division, Los Alamos National Laboratory, Los Alamos, NM, USA
| | - Shepard C Moore
- Physical Chemistry and Applied Spectroscopy Group, Chemistry Division, Los Alamos National Laboratory, Los Alamos, NM, USA
| | - Kiersten D Lenz
- Physical Chemistry and Applied Spectroscopy Group, Chemistry Division, Los Alamos National Laboratory, Los Alamos, NM, USA
| | - Harshini Mukundan
- Physical Chemistry and Applied Spectroscopy Group, Chemistry Division, Los Alamos National Laboratory, Los Alamos, NM, USA
| | - Laura M Lilley
- Physical Chemistry and Applied Spectroscopy Group, Chemistry Division, Los Alamos National Laboratory, Los Alamos, NM, USA
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Kim SB, Park Y, Ahn JW, Sim J, Park J, Kim YJ, Hwang SJ, Sung KS, Lim J. Potential of Hematologic Parameters in Predicting Mortality of Patients with Traumatic Brain Injury. J Clin Med 2022; 11:jcm11113220. [PMID: 35683607 PMCID: PMC9181160 DOI: 10.3390/jcm11113220] [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: 04/18/2022] [Revised: 05/24/2022] [Accepted: 06/02/2022] [Indexed: 12/10/2022] Open
Abstract
Traumatic brain injury (TBI) occurs frequently, and acute TBI requiring surgical treatment is closely related to patient survival. Models for predicting the prognosis of patients with TBI do not consider various factors of patient status; therefore, it is difficult to predict the prognosis more accurately. In this study, we created a model that can predict the survival of patients with TBI by adding hematologic parameters along with existing non-hematologic parameters. The best-fitting model was created using the Akaike information criterion (AIC), and hematologic factors including preoperative hematocrit, preoperative C-reactive protein (CRP), postoperative white blood cell (WBC) count, and postoperative hemoglobin were selected to predict the prognosis. Among several prediction models, the model that included age, Glasgow Coma Scale, Injury Severity Score, preoperative hematocrit, preoperative CRP, postoperative WBC count, postoperative hemoglobin, and postoperative CRP showed the highest area under the curve and the lowest corrected AIC for a finite sample size. Our study showed a new prediction model for mortality in patients with TBI using non-hematologic and hematologic parameters. This prediction model could be useful for the management of patients with TBI.
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Affiliation(s)
- Sol Bi Kim
- Department of Neurosurgery, Bundang CHA Medical Center, CHA University, Yatap-dong 59, Seongnam 13496, Korea; (S.B.K.); (J.W.A.); (J.S.); (J.P.); (Y.J.K.); (S.J.H.)
| | - Youngjoon Park
- Department of Biomedical Science, College of Life Science, CHA University, Seongnam 13488, Korea;
| | - Ju Won Ahn
- Department of Neurosurgery, Bundang CHA Medical Center, CHA University, Yatap-dong 59, Seongnam 13496, Korea; (S.B.K.); (J.W.A.); (J.S.); (J.P.); (Y.J.K.); (S.J.H.)
- Department of Biomedical Science, College of Life Science, CHA University, Seongnam 13488, Korea;
| | - Jeongmin Sim
- Department of Neurosurgery, Bundang CHA Medical Center, CHA University, Yatap-dong 59, Seongnam 13496, Korea; (S.B.K.); (J.W.A.); (J.S.); (J.P.); (Y.J.K.); (S.J.H.)
- Department of Biomedical Science, College of Life Science, CHA University, Seongnam 13488, Korea;
| | - Jeongman Park
- Department of Neurosurgery, Bundang CHA Medical Center, CHA University, Yatap-dong 59, Seongnam 13496, Korea; (S.B.K.); (J.W.A.); (J.S.); (J.P.); (Y.J.K.); (S.J.H.)
- Department of Biomedical Science, College of Life Science, CHA University, Seongnam 13488, Korea;
| | - Yu Jin Kim
- Department of Neurosurgery, Bundang CHA Medical Center, CHA University, Yatap-dong 59, Seongnam 13496, Korea; (S.B.K.); (J.W.A.); (J.S.); (J.P.); (Y.J.K.); (S.J.H.)
- Department of Biomedical Science, College of Life Science, CHA University, Seongnam 13488, Korea;
| | - So Jung Hwang
- Department of Neurosurgery, Bundang CHA Medical Center, CHA University, Yatap-dong 59, Seongnam 13496, Korea; (S.B.K.); (J.W.A.); (J.S.); (J.P.); (Y.J.K.); (S.J.H.)
| | - Kyoung Su Sung
- Department of Neurosurgery, Dong-A University Hospital, Dong-A University College of Medicine, Busan 49201, Korea
- Correspondence: (K.S.S.); (J.L.); Tel.: +82-31-780-5688 (J.L.); Fax: +82-31-780-5269 (J.L.)
| | - Jaejoon Lim
- Department of Biomedical Science, College of Life Science, CHA University, Seongnam 13488, Korea;
- Correspondence: (K.S.S.); (J.L.); Tel.: +82-31-780-5688 (J.L.); Fax: +82-31-780-5269 (J.L.)
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Gowhari Shabgah A, Jadidi-Niaragh F, Mohammadi H, Ebrahimzadeh F, Oveisee M, Jahanara A, Gholizadeh Navashenaq J. The Role of Atypical Chemokine Receptor D6 (ACKR2) in Physiological and Pathological Conditions; Friend, Foe, or Both? Front Immunol 2022; 13:861931. [PMID: 35677043 PMCID: PMC9168005 DOI: 10.3389/fimmu.2022.861931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 04/22/2022] [Indexed: 11/29/2022] Open
Abstract
Chemokines exert crucial roles in inducing immune responses through ligation to their canonical receptors. Besides these receptors, there are other atypical chemokine receptors (ACKR1–4) that can bind to a wide range of chemokines and carry out various functions in the body. ACKR2, due to its ability to bind various CC chemokines, has attracted much attention during the past few years. ACKR2 has been shown to be expressed in different cells, including trophoblasts, myeloid cells, and especially lymphoid endothelial cells. In terms of molecular functions, ACKR2 scavenges various inflammatory chemokines and affects inflammatory microenvironments. In the period of pregnancy and fetal development, ACKR2 plays a pivotal role in maintaining the fetus from inflammatory reactions and inhibiting subsequent abortion. In adults, ACKR2 is thought to be a resolving agent in the body because it scavenges chemokines. This leads to the alleviation of inflammation in different situations, including cardiovascular diseases, autoimmune diseases, neurological disorders, and infections. In cancer, ACKR2 exerts conflicting roles, either tumor-promoting or tumor-suppressing. On the one hand, ACKR2 inhibits the recruitment of tumor-promoting cells and suppresses tumor-promoting inflammation to blockade inflammatory responses that are favorable for tumor growth. In contrast, scavenging chemokines in the tumor microenvironment might lead to disruption in NK cell recruitment to the tumor microenvironment. Other than its involvement in diseases, analyzing the expression of ACKR2 in body fluids and tissues can be used as a biomarker for diseases. In conclusion, this review study has tried to shed more light on the various effects of ACKR2 on different inflammatory conditions.
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Affiliation(s)
| | - Farhad Jadidi-Niaragh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hamed Mohammadi
- Department of Immunology, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran
- Non-Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Farnoosh Ebrahimzadeh
- Department of Internal Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Maziar Oveisee
- Clinical Research Center, Pastor Educational Hospital, Bam University of Medical Sciences, Bam, Iran
| | - Abbas Jahanara
- Clinical Research Center, Pastor Educational Hospital, Bam University of Medical Sciences, Bam, Iran
| | - Jamshid Gholizadeh Navashenaq
- Noncommunicable Diseases Research Center, Bam University of Medical Sciences, Bam, Iran
- *Correspondence: Jamshid Gholizadeh Navashenaq, ;
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Jiang Y, Guo J, Tang X, Wang X, Hao D, Yang H. The Immunological Roles of Olfactory Ensheathing Cells in the Treatment of Spinal Cord Injury. Front Immunol 2022; 13:881162. [PMID: 35669779 PMCID: PMC9163387 DOI: 10.3389/fimmu.2022.881162] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 04/22/2022] [Indexed: 01/16/2023] Open
Abstract
Spinal cord injury (SCI) is a devastating type of neurological disorder of the central nervous system (CNS) with high mortality and disability. The pathological processes of SCI can usually be described as two stages, namely, primary and acute secondary injuries. Secondary injury produces more significant exacerbations of the initial injury. Among all the mechanisms of secondary damage, infection and inflammatory responses, as the principle culprits in initiating the second phase of SCI, can greatly contribute to the severity of SCI and numerous sequelae after SCI. Therefore, effectively antagonizing pro-inflammatory responses may be a promising treatment strategy to facilitate functional recovery after SCI. Olfactory ensheathing cells (OECs), a unique type of glial cells, have increasingly become potential candidates for cell-based therapy in the injured CNS. Strikingly, there is growing evidence that the mechanisms underlying the anti-inflammatory role of OECs are associated with the immune properties and secretory functions of these cells responsible for anti-neuroinflammation and immunoregulatory effects, leading to maintenance of the internal microenvironment. Accordingly, a more profound understanding of the mechanism of OEC immunological functions in the treatment of SCI would be beneficial to improve the therapeutic clinical applications of OECs for SCI. In this review, we mainly summarize recent research on the cellular and molecular immune attributes of OECs. The unique biological functions of these cells in promoting neural regeneration are discussed in relation of the development of novel therapies for CNS injury.
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Affiliation(s)
- Yizhen Jiang
- Translational Medicine Center, Hong Hui Hospital, Xi’an Jiaotong University, Xi’an, China
| | - Jianbin Guo
- Department of Joint Surgery, Hong Hui Hospital, Xi’an Jiaotong University, Xi’an, China
| | - Xiangwen Tang
- Translational Medicine Center, Hong Hui Hospital, Xi’an Jiaotong University, Xi’an, China
- Basic Medical School Academy, Shaanxi University of Traditional Chinese Medicine, Xianyang, China
| | - Xiaohui Wang
- Department of Spine Surgery, Hong Hui Hospital, Xi’an Jiaotong University, Xi’an, China
| | - Dingjun Hao
- Department of Spine Surgery, Hong Hui Hospital, Xi’an Jiaotong University, Xi’an, China
| | - Hao Yang
- Translational Medicine Center, Hong Hui Hospital, Xi’an Jiaotong University, Xi’an, China
- *Correspondence: Hao Yang,
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Rowe RK, Griesbach GS. Immune-endocrine interactions in the pathophysiology of sleep-wake disturbances following traumatic brain injury: A narrative review. Brain Res Bull 2022; 185:117-128. [DOI: 10.1016/j.brainresbull.2022.04.017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 04/26/2022] [Accepted: 04/30/2022] [Indexed: 12/16/2022]
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Dhote V, Mandloi AS, Singour PK, Kawadkar M, Ganeshpurkar A, Jadhav MP. Neuroprotective effects of combined trimetazidine and progesterone on cerebral reperfusion injury. CURRENT RESEARCH IN PHARMACOLOGY AND DRUG DISCOVERY 2022; 3:100108. [PMID: 35602337 PMCID: PMC9118508 DOI: 10.1016/j.crphar.2022.100108] [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: 01/16/2022] [Revised: 04/28/2022] [Accepted: 04/29/2022] [Indexed: 11/26/2022] Open
Abstract
Cerebral ischemia-reperfusion injury induces multi-dimensional damage to neuronal cells through exacerbation of critical protective mechanisms. Targeting more than one mechanism simultaneously namely, inflammatory responses and metabolic energy homeostasis could provide additional benefits to restrict or manage cerebral injury. Being proven neuroprotective agents both, progesterone (PG) and trimetazidine (TMZ) has the potential to add on the individual therapeutic outcomes. We hypothesized the simultaneous administration of PG and TMZ could complement each other to synergize, or at least enhance neuroprotection in reperfusion injury. We investigated the combination of PG and TMZ on middle cerebral artery occlusion (MCAO) induced cerebral reperfusion injury in rats. Molecular docking on targets of energy homeostasis and apoptosis assessed the initial viability of PG and TMZ for neuroprotection. Animal experimentation with MCA induced ischemia-reperfusion (I/R) injury in rats was performed on five randomized groups. Sham operated control group received vehicle (saline) while the other four I-R groups were pre-treated with vehicle (saline), PG (8 mg/kg), TMZ treated (25 mg/kg), and PG + TMZ (8 and 25 mg/kg) for 7 days by intraperitoneal route. Neurological deficit, infarct volume, and oxidative stress were evaluated to assess the extent of injury in rats. Inflammatory reactivity and apoptotic activity were determined with alterations in myeloperoxidase (MPO) activity, blood-brain barrier (BBB) permeability, and DNA fragments. Reperfusion injury inflicted cerebral infarct, neurological deficit, and shattered BBB integrity. The combination treatment of PG and TMZ restricted cellular damage indicated by significant (p < 0.05) decrease in infarct volume and improvement in free radical scavenging ability (SOD activity and GSH level). MPO activity and LPO decreased which contributed in improved BBB integrity in treated rats. We speculate that inhibition of inflammatory and optimum energy utilization would critically contribute to observed neuroprotection with combined PG and TMZ treatment. Further exploration of this neuroprotective approach for post-recovery cognitive improvement is worth investigating. Molecular docking study. Drug repurposing. Combinatorial approach. Network Pharmacology.
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Traumatic Brain Injury Characteristics Predictive of Subsequent Sleep-Wake Disturbances in Pediatric Patients. BIOLOGY 2022; 11:biology11040600. [PMID: 35453799 PMCID: PMC9030185 DOI: 10.3390/biology11040600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 04/11/2022] [Accepted: 04/13/2022] [Indexed: 12/02/2022]
Abstract
Simple Summary Traumatic brain injury is a leading cause of death and disabilities in children and adolescents. Poor sleep after brain injury can slow recovery and worsen outcomes. We investigated clinical sleep problems following pediatric brain injury. We examined characteristics of the injury and details about the patients that may be risk factors for developing sleep problems. The number of patients that developed problems with their sleep after a brain injury was similar between genders. The probability of insomnia increased with increasing patient age. The probability of ‘difficulty sleeping’ was highest in 7–9 year-old brain-injured patients. Older patients had a shorter time between brain injury and sleep problems compared to younger patients. Patients with severe brain injury had the shortest time between brain injury and development of sleep problems, whereas patients with mild or moderate brain injury had comparable times between brain injury and the onset of poor sleep. Multiple characteristics of brain injury and patient details were identified as risk factors for developing sleep problems following a brain injury in children. Untreated sleep problems after a brain injury can worsen symptoms, lengthen hospital stays, and delay return to school. Identifying risk factors could improve the diagnosis, management, and treatment of sleep problems in survivors of pediatric brain injury. Abstract The objective of this study was to determine the prevalence of sleep-wake disturbances (SWD) following pediatric traumatic brain injury (TBI), and to examine characteristics of TBI and patient demographics that might be predictive of subsequent SWD development. This single-institution retrospective study included patients diagnosed with a TBI during 2008–2019 who also had a subsequent diagnosis of an SWD. Data were collected using ICD-9/10 codes for 207 patients and included the following: age at initial TBI, gender, TBI severity, number of TBIs diagnosed prior to SWD diagnosis, type of SWD, and time from initial TBI to SWD diagnosis. Multinomial logit and negative-binomial models were fit to investigate whether the multiple types of SWD and the time to onset of SWD following TBI could be predicted by patient variables. Distributions of SWD diagnosed after TBI were similar between genders. The probability of insomnia increased with increasing patient age. The probability of ‘difficulty sleeping’ was highest in 7–9 year-old TBI patients. Older TBI patients had shorter time to SWD onset than younger patients. Patients with severe TBI had the shortest time to SWD onset, whereas patients with mild or moderate TBI had comparable times to SWD onset. Multiple TBI characteristics and patient demographics were predictive of a subsequent SWD diagnosis in the pediatric population. This is an important step toward increasing education among providers, parents, and patients about the risk of developing SWD following TBI.
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