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Hiskens MI, Schneiders AG, Fenning AS. Selective COX-2 Inhibitors as Neuroprotective Agents in Traumatic Brain Injury. Biomedicines 2024; 12:1930. [PMID: 39200394 PMCID: PMC11352079 DOI: 10.3390/biomedicines12081930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2024] [Revised: 07/31/2024] [Accepted: 08/21/2024] [Indexed: 09/02/2024] Open
Abstract
Traumatic brain injury (TBI) is a significant contributor to mortality and morbidity in people, both young and old. There are currently no approved therapeutic interventions for TBI. Following TBI, cyclooxygenase (COX) enzymes generate prostaglandins and reactive oxygen species that perpetuate inflammation, with COX-1 and COX-2 isoforms providing differing responses. Selective COX-2 inhibitors have shown potential as neuroprotective agents. Results from animal models of TBI suggest potential treatment through the alleviation of secondary injury mechanisms involving neuroinflammation and neuronal cell death. Additionally, early clinical trials have shown that the use of celecoxib improves patient mortality and outcomes. This review aims to summarize the therapeutic effects of COX-2 inhibitors observed in TBI animal models, highlighting pertinent studies elucidating molecular pathways and expounding upon their mechanistic actions. We then investigated the current state of evidence for the utilization of COX-2 inhibitors for TBI patients.
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Affiliation(s)
- Matthew I. Hiskens
- Mackay Institute of Research and Innovation, Mackay Hospital and Health Service, Mackay, QLD 4740, Australia
| | - Anthony G. Schneiders
- School of Health, Medical and Applied Sciences, Central Queensland University, Rockhampton, QLD 4701, Australia (A.S.F.)
| | - Andrew S. Fenning
- School of Health, Medical and Applied Sciences, Central Queensland University, Rockhampton, QLD 4701, Australia (A.S.F.)
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Bhanja D, Hallan DR, Staub J, Rizk E, Zacko JC. Early Celecoxib use in Patients with Traumatic Brain Injury. Neurocrit Care 2024; 40:886-897. [PMID: 37704936 DOI: 10.1007/s12028-023-01827-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Accepted: 08/01/2023] [Indexed: 09/15/2023]
Abstract
BACKGROUND Traumatic brain injury (TBI) can cause rapid brain inflammation. There is debate over the safety and efficacy of anti-inflammatory agents in its treatment. With a particular focus on cyclooxygenase 2 (COX2) selective inhibition, we sought to determine the impact of celecoxib versus no celecoxib treatment on outcomes in patients with TBI and compare these with outcomes associated with nonselective COX inhibition (ibuprofen) and corticosteroid (dexamethasone) treatment. METHODS This retrospective cohort study used TriNetX, a large publicly available global health research network, to gather clinical data extracted from the electronic medical records. Using International Classification of Diseases, Tenth Revision and pharmacy codes, we identified patients with TBI who were and were not treated with celecoxib, ibuprofen, and dexamethasone. Analysis was performed on propensity-matched and unmatched cohorts, which were matched on demographics, comorbidities, and neurological injuries. Our primary end point was 1-year survival. Secondary end points were ventilator and tracheostomy dependence, gastrostomy tube placement, seizures, and craniotomy. RESULTS After propensity score matching, a total of 1443 patients were identified in both the celecoxib and no celecoxib cohorts. Ninety-two (6.4%) patients in the celecoxib cohort died within 1 year following TBI versus 145 (10.0%) in the no celecoxib cohort (odds ratio 0.61; 95% confidence interval 0.46-0.80; p = 0.0003). The 1-year survival rate was 96.1% in the celecoxib cohort versus 93.1% in the no celecoxib cohort (p < 0.0001). At the end of the 1-year period, celecoxib was associated with significantly lower gastrostomy tube dependence (p = 0.017), seizure activity (p = 0.027), and myocardial infarction (p = 0.021) compared with the control cohort. Ibuprofen was also associated with higher 1-year survival probability and lower rates of post-TBI complications. Dexamethasone was broadly associated with higher morbidity but was associated with higher 1-year survival probability compared with the no dexamethasone cohort. CONCLUSIONS Early celecoxib and ibuprofen use within 5 days post TBI was associated with higher 1-year survival probabilities and fewer complications. With emerging yet controversial preclinical evidence to suggest that COX inhibition improves TBI outcomes, this population-level study offers suggestive support for these drugs' clinical benefit, which should be pursued in prospective clinical studies.
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Affiliation(s)
- Debarati Bhanja
- Department of Neurosurgery, Penn State Health Milton S. Hershey Medical Center, Hershey, PA, 17033, USA
| | - David R Hallan
- Department of Neurosurgery, Penn State Health Milton S. Hershey Medical Center, Hershey, PA, 17033, USA.
| | - Jacob Staub
- Department of Neurosurgery, Penn State Health Milton S. Hershey Medical Center, Hershey, PA, 17033, USA
| | - Elias Rizk
- Department of Neurosurgery, Penn State Health Milton S. Hershey Medical Center, Hershey, PA, 17033, USA
| | - Joseph Christopher Zacko
- Department of Neurosurgery, Penn State Health Milton S. Hershey Medical Center, Hershey, PA, 17033, USA
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Tepe T, Satar M, Ozdemir M, Yildizdas HY, Ozlü F, Erdogan S, Toyran T, Akillioglu K, Köse S, Avci C. Long-term effect of indomethacin on a rat model of neonatal hypoxia ischemic encephalopathy through behavioral tests. Int J Dev Neurosci 2024; 84:22-34. [PMID: 37842754 DOI: 10.1002/jdn.10305] [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: 05/06/2023] [Revised: 09/09/2023] [Accepted: 10/01/2023] [Indexed: 10/17/2023] Open
Abstract
BACKGROUND Many medical experts prescribe indomethacin because of its anti-inflammatory, analgesic, tocolytic, and duct closure effects. This article presents an evaluation of the enduring impact of indomethacin on neonatal rats with hypoxic-ischemic (HI) insults, employing behavioral tests as a method of assessment. METHODS The experiment was conducted on male Wistar-Albino rats weighing 10 to 15 g, aged between seven and 10 days. The rats were divided into three groups using a random allocation method as follows: hypoxic ischemic encephalopathy (HIE) group, HIE treated with indomethacin group (INDO), and Sham group. A left common carotid artery ligation and hypoxia model was applied in both the HIE and INDO groups. The INDO group was treated with 4 mg/kg intraperitoneal indomethacin every 24 h for 3 days, while the Sham and HIE groups were given dimethylsulfoxide (DMSO). After 72 h, five rats from each group were sacrificed and brain tissue samples were stained with 2,3,5-Triphenyltetrazolium chloride (TCC) for infarct-volume measurement. Seven rats from each group were taken to the behavioral laboratory in the sixth postnatal week (PND42) and six from each group were sacrificed for the Evans blue (EB) experiment for blood-brain barrier (BBB) integrity evaluation. The open field (OF) test and Morris water maze (MWM) tests were performed. After behavioral tests, brain tissue were obtained and stained with TCC to assess the infarct volume. RESULTS The significant increase in the time spent in the central area and the frequency of crossing to the center in the INDO group compared with the HIE group indicated that indomethacin decreased anxiety-like behavior (p < 0.001, p < 0.05). However, the MWM test revealed that indomethacin did not positively affect learning and memory performance (p > 0.05). Additionally, indomethacin significantly reduced infarct volume and neuropathological grading in adolescence (p < 0.05), although not statistically significant in the early period. Moreover, the EB experiment demonstrated that indomethacin effectively increased BBB integrity (p < 0.05). CONCLUSIONS In this study, we have shown for the first time that indomethacin treatment can reduce levels of anxiety-like behavior and enhance levels of exploratory behavior in a neonatal rat model with HIE. It is necessary to determine whether nonsteroidal anti-inflammatory agents, such as indomethacin, should be used for adjuvant therapy in newborns with HIE.
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Affiliation(s)
- Tugay Tepe
- Department of Pediatrics, Division of Neonatology, Cukurova University Faculty of Medicine, Adana, Turkey
- Department of Physiology, Cukurova University Faculty of Medicine, Adana, Turkey
| | - Mehmet Satar
- Department of Pediatrics, Division of Neonatology, Cukurova University Faculty of Medicine, Adana, Turkey
| | - Mustafa Ozdemir
- Department of Pediatrics, Division of Neonatology, Cukurova University Faculty of Medicine, Adana, Turkey
| | - Hacer Yapicioglu Yildizdas
- Department of Pediatrics, Division of Neonatology, Cukurova University Faculty of Medicine, Adana, Turkey
| | - Ferda Ozlü
- Department of Pediatrics, Division of Neonatology, Cukurova University Faculty of Medicine, Adana, Turkey
| | - Seyda Erdogan
- Department of Pathology, Cukurova University Faculty of Medicine, Adana, Turkey
| | - Tugba Toyran
- Department of Pathology, Cukurova University Faculty of Medicine, Adana, Turkey
| | - Kübra Akillioglu
- Department of Physiology, Cukurova University Faculty of Medicine, Adana, Turkey
| | - Seda Köse
- Department of Physiology, Cukurova University Faculty of Medicine, Adana, Turkey
| | - Cagri Avci
- Department of Virology, Cukurova University Faculty of Veterinary Medicine, Adana, Turkey
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Anderson LM, Samineni S, Wilder DM, Lara M, Eken O, Urioste R, Long JB, Arun P. The Neurobehavioral Effects of Buprenorphine and Meloxicam on a Blast-Induced Traumatic Brain Injury Model in the Rat. Front Neurol 2021; 12:746370. [PMID: 34712199 PMCID: PMC8545992 DOI: 10.3389/fneur.2021.746370] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 09/15/2021] [Indexed: 11/27/2022] Open
Abstract
Previous findings have indicated that pain relieving medications such as opioids and non-steroidal anti-inflammatory drugs (NSAIDs) may be neuroprotective after traumatic brain injury in rodents, but only limited studies have been performed in a blast-induced traumatic brain injury (bTBI) model. In addition, many pre-clinical TBI studies performed in rodents did not use analgesics due to the possibility of neuroprotection or other changes in cognitive, behavioral, and pathology outcomes. To examine this in a pre-clinical setting, we examined the neurobehavioral changes in rats given a single pre-blast dose of meloxicam, buprenorphine, or no pain relieving medication and exposed to tightly-coupled repeated blasts in an advanced blast simulator and evaluated neurobehavioral functions up to 28 days post-blast. A 16.7% mortality rate was recorded in the rats treated with buprenorphine, which might be attributed to the physiologically depressive side effects of buprenorphine in combination with isoflurane anesthesia and acute brain injury. Rats given buprenorphine, but not meloxicam, took more time to recover from the isoflurane anesthesia given just before blast. We found that treatment with meloxicam protected repeated blast-exposed rats from vestibulomotor dysfunctions up to day 14, but by day 28 the protective effects had receded. Both pain relieving medications seemed to promote short-term memory deficits in blast-exposed animals, whereas vehicle-treated blast-exposed animals showed only a non-significant trend toward worsening short-term memory by day 27. Open field exploratory behavior results showed that blast exposed rats treated with meloxicam engaged in significantly more locomotor activities and possibly a lesser degree of responses thought to reflect anxiety and depressive-like behaviors than any of the other groups. Rats treated with analgesics to alleviate possible pain from the blast ate more than their counterparts that were not treated with analgesics, which supports that both analgesics were effective in alleviating some of the discomfort that these rats potentially experienced post-blast injury. These results suggest that meloxicam and, to a lesser extent buprenorphine alter a variety of neurobehavioral functions in a rat bTBI model and, because of their impact on these neurobehavioral changes, may be less than ideal analgesic agents for pre-clinical studies evaluating these neurobehavioral responses after TBI.
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Affiliation(s)
- Laura M Anderson
- Veterinary Services Program, Center for Enabling Capabilities, Walter Reed Army Institute of Research, Silver Spring, MD, United States
| | - Sridhar Samineni
- Veterinary Services Program, Center for Enabling Capabilities, Walter Reed Army Institute of Research, Silver Spring, MD, United States
| | - Donna M Wilder
- Blast-Induced Neurotrauma Branch, Center for Military Psychiatry and Neuroscience, Walter Reed Army Institute of Research, Silver Spring, MD, United States
| | - Marisela Lara
- Blast-Induced Neurotrauma Branch, Center for Military Psychiatry and Neuroscience, Walter Reed Army Institute of Research, Silver Spring, MD, United States
| | - Ondine Eken
- Blast-Induced Neurotrauma Branch, Center for Military Psychiatry and Neuroscience, Walter Reed Army Institute of Research, Silver Spring, MD, United States
| | - Rodrigo Urioste
- Blast-Induced Neurotrauma Branch, Center for Military Psychiatry and Neuroscience, Walter Reed Army Institute of Research, Silver Spring, MD, United States
| | - Joseph B Long
- Blast-Induced Neurotrauma Branch, Center for Military Psychiatry and Neuroscience, Walter Reed Army Institute of Research, Silver Spring, MD, United States
| | - Peethambaran Arun
- Blast-Induced Neurotrauma Branch, Center for Military Psychiatry and Neuroscience, Walter Reed Army Institute of Research, Silver Spring, MD, United States
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Inampudi C, Ciccotosto GD, Cappai R, Crack PJ. Genetic Modulators of Traumatic Brain Injury in Animal Models and the Impact of Sex-Dependent Effects. J Neurotrauma 2021; 37:706-723. [PMID: 32027210 DOI: 10.1089/neu.2019.6955] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Traumatic brain injury (TBI) is a major health problem causing disability and death worldwide. There is no effective treatment, due in part to the complexity of the injury pathology and factors affecting its outcome. The extent of brain injury depends on the type of insult, age, sex, lifestyle, genetic risk factors, socioeconomic status, other co-injuries, and underlying health problems. This review discusses the genes that have been directly tested in TBI models, and whether their effects are known to be sex-dependent. Sex differences can affect the incidence, symptom onset, pathology, and clinical outcomes following injury. Adult males are more susceptible at the acute phase and females show greater injury in the chronic phase. TBI is not restricted to a single sex; despite variations in the degree of symptom onset and severity, it is important to consider both female and male animals in TBI pre-clinical research studies.
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Affiliation(s)
- Chaitanya Inampudi
- Department of Pharmacology and Therapeutics, University of Melbourne, Parkville, Victoria, Australia
| | - Giuseppe D Ciccotosto
- Department of Pharmacology and Therapeutics, University of Melbourne, Parkville, Victoria, Australia
| | - Roberto Cappai
- Department of Pharmacology and Therapeutics, University of Melbourne, Parkville, Victoria, Australia
| | - Peter J Crack
- Department of Pharmacology and Therapeutics, University of Melbourne, Parkville, Victoria, Australia
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Celecoxib in a Preclinical Model of Repetitive Mild Traumatic Brain Injury: Hippocampal Learning Deficits Persist with Inflammatory and Excitotoxic Neuroprotection. TRAUMA CARE 2021. [DOI: 10.3390/traumacare1010003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Repetitive mild traumatic brain injuries (mTBIs) contribute to inflammation-induced neurodegeneration. Cycloxygenase (COX) enzymes produce inflammatory cytokines that influence the microglia response to neurotrauma. Celecoxib is a selective COX-2 inhibitor that is prescribed in some conditions of mTBI to alleviate symptoms of concussion, and has shown benefits in neurodegenerative conditions. We investigated molecular pathways of neuroinflammation in response to celecoxib treatment in a mouse model of repetetive mTBI. Fifteen mTBIs were delivered over 23 days in adult male C57BL/6J mice in one of four groups (control, celecoxib without impact, celecoxib with impact, and vehicle with impact). Cognitive function was assessed at 48 h and three months following the final mTBI. Morris Water Maze testing revealed impaired hippocampal spatial learning performance in the celecoxib treatment with the impact group compared to the vehicle with impact control in the acute phase, with celecoxib treatment providing no improvement compared with the control at chronic testing; mRNA analysis of the cerebral cortex and hippocampus revealed expression change, indicating significant improvement in microglial activation, inflammation, excitotoxicity, and neurodegeneration at chronic measurement. These data suggest that, in the acute phase following injury, celecoxib protected against neuroinflammation, but exacerbated clinical cognitive disturbance. Moreover, while there was evidence of neuroprotective alleviation of mTBI pathophysiology at chronic measurement, there remained no change in clinical features.
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Roberson SW, Patel MB, Dabrowski W, Ely EW, Pakulski C, Kotfis K. Challenges of Delirium Management in Patients with Traumatic Brain Injury: From Pathophysiology to Clinical Practice. Curr Neuropharmacol 2021; 19:1519-1544. [PMID: 33463474 PMCID: PMC8762177 DOI: 10.2174/1570159x19666210119153839] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 11/12/2020] [Accepted: 01/13/2021] [Indexed: 11/22/2022] Open
Abstract
Traumatic brain injury (TBI) can initiate a very complex disease of the central nervous system (CNS), starting with the primary pathology of the inciting trauma and subsequent inflammatory and CNS tissue response. Delirium has long been regarded as an almost inevitable consequence of moderate to severe TBI, but more recently has been recognized as an organ dysfunction syndrome with potentially mitigating interventions. The diagnosis of delirium is independently associated with prolonged hospitalization, increased mortality and worse cognitive outcome across critically ill populations. Investigation of the unique problems and management challenges of TBI patients is needed to reduce the burden of delirium in this population. In this narrative review, possible etiologic mechanisms behind post-traumatic delirium are discussed, including primary injury to structures mediating arousal and attention and secondary injury due to progressive inflammatory destruction of the brain parenchyma. Other potential etiologic contributors include dysregulation of neurotransmission due to intravenous sedatives, seizures, organ failure, sleep cycle disruption or other delirium risk factors. Delirium screening can be accomplished in TBI patients and the presence of delirium portends worse outcomes. There is evidence that multi-component care bundles including an analgesia-prioritized sedation algorithm, regular spontaneous awakening and breathing trials, protocolized delirium assessment, early mobility and family engagement can reduce the burden of ICU delirium. The aim of this review is to summarize the approach to delirium in TBI patients with an emphasis on pathogenesis and management. Emerging CNS-active drug therapies that show promise in preclinical studies are highlighted.
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Affiliation(s)
| | | | | | | | | | - Katarzyna Kotfis
- Address correspondence to this author at the Department of Anesthesiology, Intensive Therapy and Acute Intoxications, Pomeranian Medical University in Szczecin, Poland; E-mail:
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Crupi R, Cordaro M, Cuzzocrea S, Impellizzeri D. Management of Traumatic Brain Injury: From Present to Future. Antioxidants (Basel) 2020; 9:antiox9040297. [PMID: 32252390 PMCID: PMC7222188 DOI: 10.3390/antiox9040297] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 03/29/2020] [Accepted: 03/31/2020] [Indexed: 12/12/2022] Open
Abstract
TBI (traumatic brain injury) is a major cause of death among youth in industrialized societies. Brain damage following traumatic injury is a result of direct and indirect mechanisms; indirect or secondary injury involves the initiation of an acute inflammatory response, including the breakdown of the blood–brain barrier (BBB), brain edema, infiltration of peripheral blood cells, and activation of resident immunocompetent cells, as well as the release of numerous immune mediators such as interleukins and chemotactic factors. TBI can cause changes in molecular signaling and cellular functions and structures, in addition to tissue damage, such as hemorrhage, diffuse axonal damages, and contusions. TBI typically disturbs brain functions such as executive actions, cognitive grade, attention, memory data processing, and language abilities. Animal models have been developed to reproduce the different features of human TBI, better understand its pathophysiology, and discover potential new treatments. For many years, the first approach to manage TBI has been treatment of the injured tissue with interventions designed to reduce the complex secondary-injury cascade. Several studies in the literature have stressed the importance of more closely examining injuries, including endothelial, microglia, astroglia, oligodendroglia, and precursor cells. Significant effort has been invested in developing neuroprotective agents. The aim of this work is to review TBI pathophysiology and existing and potential new therapeutic strategies in the management of inflammatory events and behavioral deficits associated with TBI.
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Affiliation(s)
- Rosalia Crupi
- Department of Veterinary Science, University of Messina, 98168 Messina, Italy;
| | - Marika Cordaro
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Via Consolare Valeria 1, 98100 Messina, Italy;
| | - Salvatore Cuzzocrea
- Department of Chemical, Biological, Pharmacological and Environmental Sciences, Messina University, Viale F. Stagno D’Alcontres 31, 98166 Messina, Italy;
- Department of Pharmacological and Physiological Science, Saint Louis University, Saint Louis, MO 63104, USA
- Correspondence: ; Tel.: +390-906-765-208
| | - Daniela Impellizzeri
- Department of Chemical, Biological, Pharmacological and Environmental Sciences, Messina University, Viale F. Stagno D’Alcontres 31, 98166 Messina, Italy;
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Martín‐Saborido C, López‐Alcalde J, Ciapponi A, Sánchez Martín CE, Garcia Garcia E, Escobar Aguilar G, Palermo MC, Baccaro FG. Indomethacin for intracranial hypertension secondary to severe traumatic brain injury in adults. Cochrane Database Syst Rev 2019; 2019:CD011725. [PMID: 31752052 PMCID: PMC6872435 DOI: 10.1002/14651858.cd011725.pub2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
BACKGROUND Among people who have suffered a traumatic brain injury, increased intracranial pressure continues to be a major cause of early death; it is estimated that about 11 people per 100 with traumatic brain injury die. Indomethacin (also known as indometacin) is a powerful cerebral vasoconstrictor that can reduce intracranial pressure and, ultimately, restore cerebral perfusion and oxygenation. Thus, indomethacin may improve the recovery of a person with traumatic brain injury. OBJECTIVES To assess the effects of indomethacin for adults with severe traumatic brain injury. SEARCH METHODS We ran the searches from inception to 23 August 2019. We searched the Cochrane Central Register of Controlled Trials (CENTRAL; 2019, Issue 8) in the Cochrane Library, Ovid MEDLINE, Ovid Embase, CINAHL Plus (EBSCO), four other databases, and clinical trials registries. We also screened reference lists and conference abstracts, and contacted experts in the field. SELECTION CRITERIA Our search criteria included randomised controlled trials (RCTs) that compared indomethacin with any control in adults presenting with severe traumatic brain injury associated with elevated intracranial pressure, with no previous decompressive surgery. DATA COLLECTION AND ANALYSIS Two review authors independently decided on the selection of the studies. We followed standard Cochrane methods. MAIN RESULTS We identified no eligible studies for this review, either completed or ongoing. AUTHORS' CONCLUSIONS We found no studies, either completed or ongoing, that assessed the effects of indomethacin in controlling intracranial hypertension secondary to severe traumatic brain injury. Thus, we cannot draw any conclusions about the effects of indomethacin on intracranial pressure, mortality rates, quality of life, disability or adverse effects. This absence of evidence should not be interpreted as evidence of no effect for indomethacin in controlling intracranial hypertension secondary to severe traumatic brain injury. It means that we have not identified eligible research for this review.
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Affiliation(s)
- Carlos Martín‐Saborido
- San Juan De Dios Foundation, Health Sciences University Centre, Antonio de Nebrija UniversityResearch on Evidence and Decision Making GroupPaseo de la Habana 70 bisMadridComunidad de MadridSpain28036
| | - Jesús López‐Alcalde
- Cochrane Associate Centre of MadridCtra. Colmenar Km. 9,100MadridMadridSpain28034
- Universidad Francisco de VitoriaFaculty of MedicineCtra. M‐515 Pozuelo‐MajadahondaPozuelo de AlarcónMadridSpain28223
- Instituto Ramón y Cajal de Investigación SanitariaClinical Biostatistics UnitCtra. Colmenar, km. 9.100MadridSpain28034
| | - Agustín Ciapponi
- Institute for Clinical Effectiveness and Health Policy (IECS‐CONICET)Argentine Cochrane CentreDr. Emilio Ravignani 2024Buenos AiresCapital FederalArgentinaC1414CPV
| | | | - Elena Garcia Garcia
- San Juan De Dios FoundationHealth Services Research DepartmentC/Herreros de TejadaMadridSpain3‐28016
| | - Gema Escobar Aguilar
- San Juan de Dios Foundation/San Rafael‐Nebrija Health Sciences Center, Nebrija UniversityHealth Services Research UnitHerreros de Tejada, 5MadridSpain28036
| | - Maria Carolina Palermo
- University of Buenos AiresInstitute for Clinical Effectiveness and Health Policy (IECS‐CONICET)Buenos AiresArgentina
| | - Fernando G Baccaro
- Juan A Fernández HospitalIntensive Care UnitCerviño 3356Buenos AiresArgentina1425
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Dehlaghi Jadid K, Davidsson J, Lidin E, Hånell A, Angéria M, Mathiesen T, Risling M, Günther M. COX-2 Inhibition by Diclofenac Is Associated With Decreased Apoptosis and Lesion Area After Experimental Focal Penetrating Traumatic Brain Injury in Rats. Front Neurol 2019; 10:811. [PMID: 31417487 PMCID: PMC6682700 DOI: 10.3389/fneur.2019.00811] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2018] [Accepted: 07/15/2019] [Indexed: 11/13/2022] Open
Abstract
Traumatic brain injury (TBI) is followed by a secondary inflammation in the brain. The inflammatory response includes prostanoid synthesis by the inducible enzyme cyclooxygenase-2 (COX-2). Inhibition of COX-2 is associated with improved functional outcome in experimental TBI models, although central nervous system-specific effects are not fully understood. Animal studies report better outcomes in females than males. The exact mechanisms for this gender dichotomy remain unknown. In an initial study we reported increased COX-2 expression in male rats, compared to female, following experimental TBI. It is possible that COX-2 induction is directly associated with increased cell death after TBI. Therefore, we designed a sequential study to investigate the blocking of COX-2 specifically, using the established COX-2 inhibitor diclofenac. Male Sprague-Dawley rats weighing between 250 and 350 g were exposed to focal penetrating TBI and randomly selected for diclofenac treatment (5 μg intralesionally, immediately following TBI) (n = 8), controls (n = 8), sham operation (n = 8), and normal (no manipulation) (n = 4). After 24 h, brains were removed, fresh frozen, cut into 14 μm coronal sections and subjected to COX-2 immunofluorescence, Fluoro Jade, TUNEL, and lesion area analyses. Diclofenac treatment decreased TUNEL staining indicative of apoptosis with a mean change of 54% (p < 0.05) and lesion area with a mean change of 55% (p < 0.005). Neuronal degeneration measured by Fluoro Jade and COX-2 protein expression levels were not affected. In conclusion, COX-2 inhibition by diclofenac was associated with decreased apoptosis and lesion area after focal penetrating TBI and may be of interest for further studies of clinical applications.
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Affiliation(s)
- Kayvan Dehlaghi Jadid
- Experimental Traumatology Unit, Department of Neuroscience, Karolinska Institutet, Solna, Sweden
| | - Johan Davidsson
- Division of Vehicle Safety, Department of Mechanics and Maritime Sciences, Chalmers University of Technology, Gothenburg, Sweden
| | - Erik Lidin
- Experimental Traumatology Unit, Department of Neuroscience, Karolinska Institutet, Solna, Sweden
| | - Anders Hånell
- Experimental Traumatology Unit, Department of Neuroscience, Karolinska Institutet, Solna, Sweden
| | - Maria Angéria
- Experimental Traumatology Unit, Department of Neuroscience, Karolinska Institutet, Solna, Sweden
| | - Tiit Mathiesen
- Department of Clinical Medicine, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark.,Department of Clinical Neuroscience, Karolinska Institutet, Solna, Sweden
| | - Mårten Risling
- Experimental Traumatology Unit, Department of Neuroscience, Karolinska Institutet, Solna, Sweden
| | - Mattias Günther
- Experimental Traumatology Unit, Department of Neuroscience, Karolinska Institutet, Solna, Sweden
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Machado CA, Silva ACSE, de Miranda AS, Cordeiro TME, Ferreira RN, de Souza LC, Teixeira AL, de Miranda AS. Immune-Based Therapies for Traumatic Brain Injury: Insights from Pre-Clinical Studies. Curr Med Chem 2019; 27:5374-5402. [PMID: 31291871 DOI: 10.2174/0929867326666190710173234] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 04/24/2019] [Accepted: 05/22/2019] [Indexed: 12/18/2022]
Abstract
Traumatic Brain Injury (TBI) is a major public health problem. It is the leading cause of death and disability, especially among children and young adults. The neurobiology basis underlying TBI pathophysiology remains to be fully revealed. Over the past years, emerging evidence has supported the hypothesis that TBI is an inflammatory based condition, paving the way for the development of potential therapeutic targets. There is no treatment capable to prevent or minimize TBIassociated outcomes. Therefore, the search for effective therapies is a priority goal. In this context, animal models have become valuable tools to study molecular and cellular mechanisms involved in TBI pathogenesis as well as novel treatments. Herein, we discuss therapeutic strategies to treat TBI focused on immunomodulatory and/or anti-inflammatory approaches in the pre-clinical setting.
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Affiliation(s)
- Caroline Amaral Machado
- Laboratorio de Neurobiologia, Departamento de Morfologia, Instituto de Ciencias Biologicas, UFMG, Brazil
| | - Ana Cristina Simões E Silva
- Laboratorio Interdisciplinar de Investigacao Medica (LIIM), Faculdade de Medicina, Universidade Federal de Minas Gerais (UFMG), Brazil
| | - Amanda Silva de Miranda
- Departamento de Quimica, Instituto de Ciencias Exatas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Thiago Macedo E Cordeiro
- Laboratorio Interdisciplinar de Investigacao Medica (LIIM), Faculdade de Medicina, Universidade Federal de Minas Gerais (UFMG), Brazil
| | - Rodrigo Novaes Ferreira
- Laboratorio de Neurobiologia, Departamento de Morfologia, Instituto de Ciencias Biologicas, UFMG, Brazil
| | - Leonardo Cruz de Souza
- Laboratorio Interdisciplinar de Investigacao Medica (LIIM), Faculdade de Medicina, Universidade Federal de Minas Gerais (UFMG), Brazil
| | - Antônio Lúcio Teixeira
- Neuropsychiatry Program, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, University of Texas Health Science Center, Houston, United States
| | - Aline Silva de Miranda
- Laboratorio Interdisciplinar de Investigacao Medica (LIIM), Faculdade de Medicina, Universidade Federal de Minas Gerais (UFMG), Brazil
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12
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Bodnar CN, Roberts KN, Higgins EK, Bachstetter AD. A Systematic Review of Closed Head Injury Models of Mild Traumatic Brain Injury in Mice and Rats. J Neurotrauma 2019; 36:1683-1706. [PMID: 30661454 PMCID: PMC6555186 DOI: 10.1089/neu.2018.6127] [Citation(s) in RCA: 98] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Mild TBI (mTBI) is a significant health concern. Animal models of mTBI are essential for understanding mechanisms, and pathological outcomes, as well as to test therapeutic interventions. A variety of closed head models of mTBI that incorporate different aspects (i.e., biomechanics) of the mTBI have been reported. The aim of the current review was to compile a comprehensive list of the closed head mTBI rodent models, along with the common data elements, and outcomes, with the goal to summarize the current state of the field. Publications were identified from a search of PubMed and Web of Science and screened for eligibility following PRISMA guidelines. Articles were included that were closed head injuries in which the authors classified the injury as mild in rats or mice. Injury model and animal-specific common data elements, as well as behavioral and histological outcomes, were collected and compiled from a total of 402 articles. Our results outline the wide variety of methods used to model mTBI. We also discovered that female rodents and both young and aged animals are under-represented in experimental mTBI studies. Our findings will aid in providing context comparing the injury models and provide a starting point for the selection of the most appropriate model of mTBI to address a specific hypothesis. We believe this review will be a useful starting place for determining what has been done and what knowledge is missing in the field to reduce the burden of mTBI.
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Affiliation(s)
- Colleen N. Bodnar
- Department of Neuroscience, University of Kentucky, Lexington, Kentucky
- Spinal Cord and Brain Injury Research Center, University of Kentucky, Lexington, Kentucky
| | - Kelly N. Roberts
- Department of Neuroscience, University of Kentucky, Lexington, Kentucky
- Spinal Cord and Brain Injury Research Center, University of Kentucky, Lexington, Kentucky
| | - Emma K. Higgins
- Department of Neuroscience, University of Kentucky, Lexington, Kentucky
- Spinal Cord and Brain Injury Research Center, University of Kentucky, Lexington, Kentucky
| | - Adam D. Bachstetter
- Department of Neuroscience, University of Kentucky, Lexington, Kentucky
- Spinal Cord and Brain Injury Research Center, University of Kentucky, Lexington, Kentucky
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Time dependent dual effect of anti-inflammatory treatments on sarin-induced brain inflammation: Suggested role of prostaglandins. Neurotoxicology 2019; 74:19-27. [PMID: 31095963 DOI: 10.1016/j.neuro.2019.05.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 05/12/2019] [Accepted: 05/12/2019] [Indexed: 11/21/2022]
Abstract
A common consequence of exposure to organophosphate nerve agents is the centrally mediated seizure activity that appears even after conventional treatment with atropine and oximes. We have previously demonstrated a major inflammatory response with subsequent brain damage which was correlated with the duration of the sarin-induced seizures (Chapman et al., 2006). In the present work seizures were induced by the nerve agent sarin (1.2 LD50) insufficiently treated 1 min later by atropine and trimedoxime bromide (TA), with additional midazolam treatment either 5 or 30 min after continuous seizure activity. The efficacy of both steroidal and nonsteroidal anti-inflammatory drugs (NSAIDs), as well as other drugs that were reported as beneficial in neuroprotection, were evaluated for their contribution as adjunct treatment against sarin induced seizures and the ensuing inflammatory brain damage. Results show that both steroids and NSAIDs were harmful when administered during convulsions, and steroids were at best ineffective if administered at their termination. However, if administered at termination of convulsions, the NSAID ibuprofen, the selective COX 2 inhibitor nimesulide and the PLA2 inhibitor quinacrine were partially effective in reducing brain inflammatory markers. Administration of exogenous analogs of prostaglandins (PGE2) immediately following sarin-induced convulsions was found to have a beneficial effect in reducing brain inflammatory markers measured at 24 h and one week post sarin exposure. These findings support the hypothesis that elevated levels of PGE2 have a beneficial role immediately following sarin induced seizures, and that early inhibition of PGE2 production by both steroids and NSAID is contraindicative.
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14
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Saletti PG, Ali I, Casillas-Espinosa PM, Semple BD, Lisgaras CP, Moshé SL, Galanopoulou AS. In search of antiepileptogenic treatments for post-traumatic epilepsy. Neurobiol Dis 2019; 123:86-99. [PMID: 29936231 PMCID: PMC6309524 DOI: 10.1016/j.nbd.2018.06.017] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Accepted: 06/20/2018] [Indexed: 11/28/2022] Open
Abstract
Post-traumatic epilepsy (PTE) is diagnosed in 20% of individuals with acquired epilepsy, and can impact significantly the quality of life due to the seizures and other functional or cognitive and behavioral outcomes of the traumatic brain injury (TBI) and PTE. There is no available antiepileptogenic or disease modifying treatment for PTE. Animal models of TBI and PTE have been developed, offering useful insights on the value of inflammatory, neurodegenerative pathways, hemorrhages and iron accumulation, calcium channels and other target pathways that could be used for treatment development. Most of the existing preclinical studies test efficacy towards pathologies of functional recovery after TBI, while a few studies are emerging testing the effects towards induced or spontaneous seizures. Here we review the existing preclinical trials testing new candidate treatments for TBI sequelae and PTE, and discuss future directions for efforts aiming at developing antiepileptogenic and disease-modifying treatments.
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Affiliation(s)
- Patricia G Saletti
- Saul R. Korey Department of Neurology, Laboratory of Developmental Epilepsy, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Idrish Ali
- Department of Neuroscience, Central Clinical School, Monash University, The Alfred Hospital, Melbourne, Australia; Department of Medicine (Royal Melbourne Hospital), The University of Melbourne, Melbourne, Australia
| | - Pablo M Casillas-Espinosa
- Department of Neuroscience, Central Clinical School, Monash University, The Alfred Hospital, Melbourne, Australia; Department of Medicine (Royal Melbourne Hospital), The University of Melbourne, Melbourne, Australia
| | - Bridgette D Semple
- Department of Neuroscience, Central Clinical School, Monash University, The Alfred Hospital, Melbourne, Australia; Department of Medicine (Royal Melbourne Hospital), The University of Melbourne, Melbourne, Australia
| | - Christos Panagiotis Lisgaras
- Saul R. Korey Department of Neurology, Laboratory of Developmental Epilepsy, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Solomon L Moshé
- Saul R. Korey Department of Neurology, Laboratory of Developmental Epilepsy, Albert Einstein College of Medicine, Bronx, NY, USA; Dominick P. Purpura Department of Neuroscience, Laboratory of Developmental Epilepsy, Albert Einstein College of Medicine, Einstein/Montefiore Epilepsy Center, Montefiore Medical Center, Bronx, NY, USA; Department of Pediatrics, Albert Einstein College of Medicine, Einstein/Montefiore Epilepsy Center, Montefiore Medical Center, Bronx, NY, USA
| | - Aristea S Galanopoulou
- Saul R. Korey Department of Neurology, Laboratory of Developmental Epilepsy, Albert Einstein College of Medicine, Bronx, NY, USA; Dominick P. Purpura Department of Neuroscience, Laboratory of Developmental Epilepsy, Albert Einstein College of Medicine, Einstein/Montefiore Epilepsy Center, Montefiore Medical Center, Bronx, NY, USA.
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15
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Lucke-Wold BP, Logsdon AF, Nguyen L, Eltanahay A, Turner RC, Bonasso P, Knotts C, Moeck A, Maroon JC, Bailes JE, Rosen CL. Supplements, nutrition, and alternative therapies for the treatment of traumatic brain injury. Nutr Neurosci 2018; 21:79-91. [PMID: 27705610 PMCID: PMC5491366 DOI: 10.1080/1028415x.2016.1236174] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Studies using traditional treatment strategies for mild traumatic brain injury (TBI) have produced limited clinical success. Interest in treatment for mild TBI is at an all time high due to its association with the development of chronic traumatic encephalopathy and other neurodegenerative diseases, yet therapeutic options remain limited. Traditional pharmaceutical interventions have failed to transition to the clinic for the treatment of mild TBI. As such, many pre-clinical studies are now implementing non-pharmaceutical therapies for TBI. These studies have demonstrated promise, particularly those that modulate secondary injury cascades activated after injury. Because no TBI therapy has been discovered for mild injury, researchers now look to pharmaceutical supplementation in an attempt to foster success in human clinical trials. Non-traditional therapies, such as acupuncture and even music therapy are being considered to combat the neuropsychiatric symptoms of TBI. In this review, we highlight alternative approaches that have been studied in clinical and pre-clinical studies of TBI, and other related forms of neural injury. The purpose of this review is to stimulate further investigation into novel and innovative approaches that can be used to treat the mechanisms and symptoms of mild TBI.
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Affiliation(s)
- Brandon P. Lucke-Wold
- Department of Neurosurgery, West Virginia University School of Medicine, Morgantown, USA
- Center for Neuroscience, West Virginia University School of Medicine, Morgantown, USA
| | - Aric F. Logsdon
- Center for Neuroscience, West Virginia University School of Medicine, Morgantown, USA
| | - Linda Nguyen
- Center for Neuroscience, West Virginia University School of Medicine, Morgantown, USA
| | - Ahmed Eltanahay
- Department of Neurosurgery, Oregon Health Sciences University, Portland, USA
| | - Ryan C. Turner
- Department of Neurosurgery, West Virginia University School of Medicine, Morgantown, USA
| | - Patrick Bonasso
- Center for Neuroscience, West Virginia University School of Medicine, Morgantown, USA
| | - Chelsea Knotts
- Department of Neurosurgery, West Virginia University School of Medicine, Morgantown, USA
| | - Adam Moeck
- Department of Surgery, Matigan Army Medical Center, Tacoma, WA, USA
| | - Joseph C. Maroon
- Department of Neurosurgery, University of Pittsburgh Medical Center, PA, USA
| | - Julian E. Bailes
- Department of Neurosurgery, Northshore Healthcare System, Evanston, IL, USA
| | - Charles L. Rosen
- Department of Neurosurgery, West Virginia University School of Medicine, Morgantown, USA
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16
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Skvarc DR, Berk M, Byrne LK, Dean OM, Dodd S, Lewis M, Marriott A, Moore EM, Morris G, Page RS, Gray L. Post-Operative Cognitive Dysfunction: An exploration of the inflammatory hypothesis and novel therapies. Neurosci Biobehav Rev 2017; 84:116-133. [PMID: 29180259 DOI: 10.1016/j.neubiorev.2017.11.011] [Citation(s) in RCA: 196] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Revised: 10/16/2017] [Accepted: 11/20/2017] [Indexed: 12/11/2022]
Abstract
Post-Operative Cognitive Dysfunction (POCD) is a highly prevalent condition with significant clinical, social and financial impacts for patients and their communities. The underlying pathophysiology is becoming increasingly understood, with the role of neuroinflammation and oxidative stress secondary to surgery and anaesthesia strongly implicated. This review aims to describe the putative mechanisms by which surgery-induced inflammation produces cognitive sequelae, with a focus on identifying potential novel therapies based upon their ability to modify these pathways.
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Affiliation(s)
- David R Skvarc
- School of Psychology, Deakin University, Melbourne, Australia; Deakin University, Innovations in Mental and Physical Health and Clinical Treatment (IMPACT) Strategic Research Centre, Barwon Health, Geelong, Australia.
| | - Michael Berk
- Deakin University, Innovations in Mental and Physical Health and Clinical Treatment (IMPACT) Strategic Research Centre, Barwon Health, Geelong, Australia; Deakin University, School of Medicine, Geelong, Australia; Orygen, The National Centre of Excellence in Youth Mental Health, The Department of Psychiatry and the Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, Australia.
| | - Linda K Byrne
- School of Psychology, Deakin University, Melbourne, Australia.
| | - Olivia M Dean
- Deakin University, Innovations in Mental and Physical Health and Clinical Treatment (IMPACT) Strategic Research Centre, Barwon Health, Geelong, Australia; Deakin University, School of Medicine, Geelong, Australia; Orygen, The National Centre of Excellence in Youth Mental Health, The Department of Psychiatry and the Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, Australia
| | - Seetal Dodd
- Deakin University, Innovations in Mental and Physical Health and Clinical Treatment (IMPACT) Strategic Research Centre, Barwon Health, Geelong, Australia; Deakin University, School of Medicine, Geelong, Australia
| | - Matthew Lewis
- School of Psychology, Deakin University, Melbourne, Australia; Aged Psychiatry Service, Caulfield Hospital, Alfred Health, Caulfield, Australia
| | - Andrew Marriott
- Department of Anaesthesia, Perioperative Medicine & Pain Management, Barwon Health, Geelong, Australia; Deakin University, Innovations in Mental and Physical Health and Clinical Treatment (IMPACT) Strategic Research Centre, Barwon Health, Geelong, Australia; Deakin University, School of Medicine, Geelong, Australia; Orygen, The National Centre of Excellence in Youth Mental Health, The Department of Psychiatry and the Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, Australia
| | - Eileen M Moore
- Department of Anaesthesia, Perioperative Medicine & Pain Management, Barwon Health, Geelong, Australia; Deakin University, Innovations in Mental and Physical Health and Clinical Treatment (IMPACT) Strategic Research Centre, Barwon Health, Geelong, Australia
| | | | - Richard S Page
- Deakin University, School of Medicine, Geelong, Australia; Department of Orthopaedics, Barwon Health, Geelong, Australia
| | - Laura Gray
- Deakin University, School of Medicine, Geelong, Australia.
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17
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Taib T, Leconte C, Van Steenwinckel J, Cho AH, Palmier B, Torsello E, Lai Kuen R, Onyeomah S, Ecomard K, Benedetto C, Coqueran B, Novak AC, Deou E, Plotkine M, Gressens P, Marchand-Leroux C, Besson VC. Neuroinflammation, myelin and behavior: Temporal patterns following mild traumatic brain injury in mice. PLoS One 2017; 12:e0184811. [PMID: 28910378 PMCID: PMC5599047 DOI: 10.1371/journal.pone.0184811] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Accepted: 08/31/2017] [Indexed: 01/11/2023] Open
Abstract
Traumatic brain injury (TBI) results in white matter injury (WMI) that is associated with neurological deficits. Neuroinflammation originating from microglial activation may participate in WMI and associated disorders. To date, there is little information on the time courses of these events after mild TBI. Therefore we investigated (i) neuroinflammation, (ii) WMI and (iii) behavioral disorders between 6 hours and 3 months after mild TBI. For that purpose, we used experimental mild TBI in mice induced by a controlled cortical impact. (i) For neuroinflammation, IL-1b protein as well as microglial phenotypes, by gene expression for 12 microglial activation markers on isolated CD11b+ cells from brains, were studied after TBI. IL-1b protein was increased at 6 hours and 1 day. TBI induced a mixed population of microglial phenotypes with both pro-inflammatory, anti-inflammatory and immunomodulatory markers from 6 hours to 3 days post-injury. At 7 days, microglial activation was completely resolved. (ii) Three myelin proteins were assessed after TBI on ipsi- and contralateral corpus callosum, as this structure is enriched in white matter. TBI led to an increase in 2',3'-cyclic-nucleotide 3'-phosphodiesterase, a marker of immature and mature oligodendrocyte, at 2 days post-injury; a bilateral demyelination, evaluated by myelin basic protein, from 7 days to 3 months post-injury; and an increase in myelin oligodendrocyte glycoprotein at 6 hours and 3 days post-injury. Transmission electron microscopy study revealed various myelin sheath abnormalities within the corpus callosum at 3 months post-TBI. (iii) TBI led to sensorimotor deficits at 3 days post-TBI, and late cognitive flexibility disorder evidenced by the reversal learning task of the Barnes maze 3 months after injury. These data give an overall invaluable overview of time course of neuroinflammation that could be involved in demyelination and late cognitive disorder over a time-scale of 3 months in a model of mild TBI. This model could help to validate a pharmacological strategy to prevent post-traumatic WMI and behavioral disorders following mild TBI.
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Affiliation(s)
- Toufik Taib
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Claire Leconte
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | | | - Angelo H. Cho
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Bruno Palmier
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Egle Torsello
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Rene Lai Kuen
- Cellular and Molecular Imaging Platform, CRP2, UMS 3612 CNRS, US25 INSERM, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Somfieme Onyeomah
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Karine Ecomard
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Chiara Benedetto
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Bérard Coqueran
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Anne-Catherine Novak
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Edwige Deou
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Michel Plotkine
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Pierre Gressens
- U1141 PROTECT, INSERM, Université Paris Diderot, Sorbonne Paris Cité, Paris, France
| | - Catherine Marchand-Leroux
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Valérie C. Besson
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
- * E-mail:
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18
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Pathogenesis of peri-tumoral edema in intracranial meningiomas. Neurosurg Rev 2017; 42:59-71. [DOI: 10.1007/s10143-017-0897-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Revised: 07/23/2017] [Accepted: 08/18/2017] [Indexed: 12/21/2022]
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19
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Dong H, Ma Y, Ren Z, Xu B, Zhang Y, Chen J, Yang B. Sigma-1 Receptor Modulates Neuroinflammation After Traumatic Brain Injury. Cell Mol Neurobiol 2016; 36:639-45. [PMID: 26228028 DOI: 10.1007/s10571-015-0244-0] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2015] [Accepted: 07/22/2015] [Indexed: 01/07/2023]
Abstract
Traumatic brain injury (TBI) remains a significant clinical problem and contributes to one-third of all injury-related deaths. Activated microglia-mediated inflammatory response is a distinct characteristic underlying pathophysiology of TBI. Here, we evaluated the effect and possible mechanisms of the selective Sigma-1 receptor agonist 2-(4-morpholinethyl)-1-phenylcyclohexanecarboxylate (PRE-084) in mice TBI model. A single intraperitoneal injection 10 μg/g PRE-084, given 15 min after TBI significantly reduced lesion volume, lessened brain edema, attenuated modified neurological severity score, increased the latency time in wire hang test, and accelerated body weight recovery. Moreover, immunohistochemical analysis with Iba1 staining showed that PRE-084 lessened microglia activation. Meanwhile, PRE-084 reduced nitrosative and oxidative stress to proteins. Thus, Sigma-1 receptors play a major role in inflammatory response after TBI and may serve as useful target for TBI treatment in the future.
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Affiliation(s)
- Hui Dong
- Department of the Neurosurgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, People's Republic of China
- Department of the Pediatric Neurosurgery, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, People's Republic of China
| | - Yunfu Ma
- Department of the Pediatric Neurosurgery, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, People's Republic of China
| | - Zengxi Ren
- Department of the Neurosurgery, Pingdingshan Second People's Hospital, Pingdingshan, 467000, Henan, People's Republic of China
| | - Bin Xu
- Department of the Neurosurgery, Shanxi Dayi Hospital, Taiyuan, 030000, Shanxi, People's Republic of China
| | - Yunhe Zhang
- Department of the Pediatric Neurosurgery, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, People's Republic of China
| | - Jing Chen
- Department of the Pediatric Neurosurgery, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, People's Republic of China
| | - Bo Yang
- Department of the Neurosurgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, People's Republic of China.
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Anthonymuthu TS, Kenny EM, Bayır H. Therapies targeting lipid peroxidation in traumatic brain injury. Brain Res 2016; 1640:57-76. [PMID: 26872597 PMCID: PMC4870119 DOI: 10.1016/j.brainres.2016.02.006] [Citation(s) in RCA: 76] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Revised: 02/01/2016] [Accepted: 02/02/2016] [Indexed: 02/06/2023]
Abstract
Lipid peroxidation can be broadly defined as the process of inserting a hydroperoxy group into a lipid. Polyunsaturated fatty acids present in the phospholipids are often the targets for peroxidation. Phospholipids are indispensable for normal structure of membranes. The other important function of phospholipids stems from their role as a source of lipid mediators - oxygenated free fatty acids that are derived from lipid peroxidation. In the CNS, excessive accumulation of either oxidized phospholipids or oxygenated free fatty acids may be associated with damage occurring during acute brain injury and subsequent inflammatory responses. There is a growing body of evidence that lipid peroxidation occurs after severe traumatic brain injury in humans and correlates with the injury severity and mortality. Identification of the products and sources of lipid peroxidation and its enzymatic or non-enzymatic nature is essential for the design of mechanism-based therapies. Recent progress in mass spectrometry-based lipidomics/oxidative lipidomics offers remarkable opportunities for quantitative characterization of lipid peroxidation products, providing guidance for targeted development of specific therapeutic modalities. In this review, we critically evaluate previous attempts to use non-specific antioxidants as neuroprotectors and emphasize new approaches based on recent breakthroughs in understanding of enzymatic mechanisms of lipid peroxidation associated with specific death pathways, particularly apoptosis. We also emphasize the role of different phospholipases (calcium-dependent and -independent) in hydrolysis of peroxidized phospholipids and generation of pro- and anti-inflammatory lipid mediators. This article is part of a Special Issue entitled SI:Brain injury and recovery.
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Affiliation(s)
- Tamil Selvan Anthonymuthu
- Department of Critical Care Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA; Center for Free Radical and Antioxidant Health, University of Pittsburgh, Pittsburgh, PA 15219, USA; Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, PA 15260, USA
| | - Elizabeth Megan Kenny
- Department of Critical Care Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA; Center for Free Radical and Antioxidant Health, University of Pittsburgh, Pittsburgh, PA 15219, USA; Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, PA 15260, USA
| | - Hülya Bayır
- Department of Critical Care Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA; Department of Environmental and Occupational Health, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA 15219, USA; Center for Free Radical and Antioxidant Health, University of Pittsburgh, Pittsburgh, PA 15219, USA; Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, PA 15260, USA; Childrens׳s Hospital of Pittsburgh of UPMC, University of Pittsburgh, Pittsburgh, PA 15224, USA.
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21
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Therapies negating neuroinflammation after brain trauma. Brain Res 2015; 1640:36-56. [PMID: 26740405 DOI: 10.1016/j.brainres.2015.12.024] [Citation(s) in RCA: 68] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2015] [Revised: 12/07/2015] [Accepted: 12/14/2015] [Indexed: 12/11/2022]
Abstract
Traumatic brain injury (TBI) elicits a complex secondary injury response, with neuroinflammation as a crucial central component. Long thought to be solely a deleterious factor, the neuroinflammatory response has recently been shown to be far more intricate, with both beneficial and detrimental consequences depending on the timing, magnitude and specific immune composition of the response post-injury. Despite extensive preclinical and clinical research into mechanisms of secondary injury after TBI, no effective neuroprotective therapy has been identified, with potential candidates repeatedly proving disappointing in the clinic. The neuroinflammatory response offers a promising avenue for therapeutic targeting, aiming to quell the deleterious consequences without influencing its function in providing a neurotrophic environment supportive of repair. The present review firstly describes the findings of recent clinical trials that aimed to modulate inflammation as a means of neuroprotection. Secondly, we discuss promising multifunctional and single-target anti-inflammatory candidates either currently in trial, or with ample experimental evidence supporting clinical application. This article is part of a Special Issue entitled SI:Brain injury and recovery.
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Bergold PJ. Treatment of traumatic brain injury with anti-inflammatory drugs. Exp Neurol 2015; 275 Pt 3:367-380. [PMID: 26112314 DOI: 10.1016/j.expneurol.2015.05.024] [Citation(s) in RCA: 110] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2014] [Revised: 05/13/2015] [Accepted: 05/17/2015] [Indexed: 12/31/2022]
Abstract
Traumatic brain injury rapidly induces inflammation. This inflammation is produced both by endogenous brain cells and circulating inflammatory cells that enter from the brain. Together they drive the inflammatory response through a wide variety of bioactive lipids, cytokines and chemokines. A large number of drugs with anti-inflammatory action have been tested in both preclinical studies and in clinical trials. These drugs either have known anti-inflammatory action or inhibit the inflammatory response through unknown mechanisms. The results of these preclinical studies and clinical trials are reviewed. Recommendations are suggested on how to improve preclinical testing of drugs to make them more relevant to evaluate for clinical trials.
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Affiliation(s)
- Peter J Bergold
- Robert F. Furchgott Center for Neural Science, Department of Physiology and Pharmacology, SUNY-Downstate Medical Center, 450 Clarkson Avenue, Brooklyn, NY 11203, United States.
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Baccaro FG, Romano M, Ciapponi A, López-Alcalde J. Indomethacin in controlling intracranial hypertension secondary to severe traumatic brain injury. Hippokratia 2015. [DOI: 10.1002/14651858.cd011725] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Fernando G Baccaro
- Hospital "Juan A. Fernández"; Intensive Care Unit; Cerviño 3356 Buenos Aires Argentina 1425
| | - Marina Romano
- Southern American Branch of the Iberoamerican Cochrane Centre; Argentine Cochrane Centre IECS, Institute for Clinical Effectiveness and Health Policy; Dr. Emilio Ravignani 2024 Buenos Aires Capital Federal Argentina C1414CPV
| | - Agustín Ciapponi
- Institute for Clinical Effectiveness and Health Policy; Argentine Cochrane Centre IECS - Southern American Branch of the Iberoamerican Cochrane Centre; Dr. Emilio Ravignani 2024 Buenos Aires Capital Federal Argentina C1414CPV
| | - Jesús López-Alcalde
- Iberoamerican Cochrane Centre - Biomedical Research Institute Sant Pau (IIB Sant Pau); Barcelona Cataluña Spain 08041
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D'Ambrosio R, Eastman CL, Fattore C, Perucca E. Novel frontiers in epilepsy treatments: preventing epileptogenesis by targeting inflammation. Expert Rev Neurother 2014; 13:615-25. [PMID: 23738999 DOI: 10.1586/ern.13.54] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Currently available epilepsy drugs only affect the symptoms (seizures), and there is a need for innovative treatments that target the underlying disease. Increasing evidence points to inflammation as a potentially important mechanism in epileptogenesis. In the last decade, a new generation of etiologically realistic syndrome-specific experimental models have been developed, which are expected to capture the epileptogenic mechanisms operating in corresponding patient populations, and to exhibit similar treatment responsiveness. Recently, an intervention known to have broad-ranging anti-inflammatory effects (selective brain cooling) has been found to prevent the development of spontaneously occurring seizures in an etiologically realistic rat model of post-traumatic epilepsy. Several drugs used clinically for other indications also have the potential for inhibiting inflammation, and should be investigated for antiepileptogenic activity in these models. If results of such studies are positive, these compounds could rapidly enter Phase III trials in patients at high risk of developing epilepsy.
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Affiliation(s)
- Raimondo D'Ambrosio
- Department of Neurological Surgery, University of Washington, Seattle, WA, USA
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Lopez-Rodriguez AB, Siopi E, Finn DP, Marchand-Leroux C, Garcia-Segura LM, Jafarian-Tehrani M, Viveros MP. CB1 and CB2 Cannabinoid Receptor Antagonists Prevent Minocycline-Induced Neuroprotection Following Traumatic Brain Injury in Mice. Cereb Cortex 2013; 25:35-45. [DOI: 10.1093/cercor/bht202] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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