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Jannace KC, Pompeii L, Gimeno Ruiz de Porras D, Perkison WB, Yamal JM, Trone DW, Rull RP. Lifetime Traumatic Brain Injury and Risk of Post-Concussive Symptoms in the Millennium Cohort Study. J Neurotrauma 2024; 41:613-622. [PMID: 37358384 PMCID: PMC10902500 DOI: 10.1089/neu.2022.0213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/27/2023] Open
Abstract
Traumatic brain injury (TBI) is prevalent among active duty military service members, with studies reporting up to 23% experiencing at least one TBI, with 10-60% of service members reporting at least one subsequent repeat TBI. A TBI has been associated with an increased risk of cumulative effects and long-term neurobehavioral symptoms, impacting operational readiness in the short-term and overall health in the long term. The association between multiple TBI and post-concussive symptoms (PCS), however, defined as symptoms that follow a concussion or TBI, in the military has not been adequately examined. Previous studies in military populations are limited by methodological issues including small sample sizes, the use of non-probability sampling, or failure to include the total number of TBI. To overcome these limitations, we examined the association between the total lifetime number of TBI and total number of PCS among U.S. active duty military service members who participated in the Millennium Cohort Study. A secondary data analysis was conducted using the Millennium Cohort Study's 2014 survey (n = 28,263) responses on self-reported TBI and PCS (e.g., fatigue, restlessness, sleep disturbances, poor concentration, or memory loss). Zero-inflated negative binomial models calculated prevalence ratios (PRs) and 95% confidence intervals (CIs) for the unadjusted and adjusted associations between lifetime TBIs and PCS. A third of military participants reported experiencing one or more TBIs during their lifetime with 72% reporting at least one PCS. As the mean number of PCS increased, mean lifetime TBIs increased. The mean number of PCS by those with four or more TBI (4.63) was more than twice that of those with no lifetime TBI (2.28). One, two, three, and four or more TBI had 1.10 (95% CI: 1.06-1.15), 1.19 (95% CI: 1.14-1.25), 1.23 (95% CI: 1.17-1.30), and 1.30 times (95% CI: 1.24-1.37) higher prevalence of PCS, respectively. The prevalence of PCS was 2.4 (95% CI: 2.32-2.48) times higher in those with post-traumatic stress disorder than their counterparts. Active duty military service members with a history of TBI are more likely to have PCS than those with no history of TBI. These results suggest an elevated prevalence of PCS as the number of TBI increased. This highlights the need for robust, longitudinal studies that can establish a temporal relationship between repetitive TBI and incidence of PCS. These findings have practical relevance for designing both workplace safety prevention measures and treatment options regarding the effect on and from TBI among military personnel.
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Affiliation(s)
- Kalyn C. Jannace
- Southwest Center for Occupational and Environmental Health, UT Health School of Public Health, West Houston, Texas, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland, USA
- The Center for Rehabilitation Sciences Research, Uniformed Services University for the Health Sciences, Bethesda, Maryland, USA
| | - Lisa Pompeii
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas, USA
| | - David Gimeno Ruiz de Porras
- Southwest Center for Occupational and Environmental Health, UT Health School of Public Health, West Houston, Texas, USA
| | - William Brett Perkison
- Southwest Center for Occupational and Environmental Health, UT Health School of Public Health, West Houston, Texas, USA
| | - Jose-Miguel Yamal
- Coordinating Center for Clinical Trials, UT Health School of Public Health, Houston, Texas, USA
| | - Daniel W. Trone
- Deployment Health Research Department, Naval Health Research Center, San Diego, California, USA
| | - Rudolph P. Rull
- Deployment Health Research Department, Naval Health Research Center, San Diego, California, USA
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2
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Mild traumatic brain injury elicits time- and region-specific reductions in serotonin transporter protein expression and uptake capacity. Neuroreport 2022; 33:612-616. [DOI: 10.1097/wnr.0000000000001822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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3
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Collins SM, O’Connell CJ, Reeder EL, Norman SV, Lungani K, Gopalan P, Gudelsky GA, Robson MJ. Altered Serotonin 2A (5-HT2A) Receptor Signaling Underlies Mild TBI-Elicited Deficits in Social Dominance. Front Pharmacol 2022; 13:930346. [PMID: 35910378 PMCID: PMC9337880 DOI: 10.3389/fphar.2022.930346] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 06/09/2022] [Indexed: 11/18/2022] Open
Abstract
Various forms of traumatic brain injury (TBI) are a leading cause of disability in the United States, with the generation of neuropsychiatric complications such as depression, anxiety, social dysfunction, and suicidality being common comorbidities. Serotonin (5-HT) signaling is linked to psychiatric disorders; however, the effects of neurotrauma on normal, homeostatic 5-HT signaling within the central nervous system (CNS) have not been well characterized. We hypothesize that TBI alters specific components of 5-HT signaling within the CNS and that the elucidation of specific TBI-induced alterations in 5-HT signaling may identify novel targets for pharmacotherapies that ameliorate the neuropsychiatric complications of TBI. Herein, we provide evidence that closed-head blast-induced mild TBI (mTBI) results in selective alterations in cortical 5-HT2A receptor signaling. We find that mTBI increases in vivo cortical 5-HT2A receptor sensitivity and ex vivo radioligand binding at time points corresponding with mTBI-induced deficits in social behavior. In contrast, in vivo characterizations of 5-HT1A receptor function revealed no effect of mTBI. Notably, we find that repeated pharmacologic activation of 5-HT2A receptors post-injury reverses deficits in social dominance resulting from mTBI. Cumulatively, these studies provide evidence that mTBI drives alterations in cortical 5-HT2A receptor function and that selective targeting of TBI-elicited alterations in 5-HT2A receptor signaling may represent a promising avenue for the development of pharmacotherapies for TBI-induced generation of neuropsychiatric disorders.
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Affiliation(s)
- Sean M. Collins
- Division of Pharmaceutical Sciences, University of Cincinnati James L. Winkle College of Pharmacy, Cincinnati, OH, United States
| | - Christopher J. O’Connell
- Division of Pharmaceutical Sciences, University of Cincinnati James L. Winkle College of Pharmacy, Cincinnati, OH, United States
| | - Evan L. Reeder
- Division of Pharmaceutical Sciences, University of Cincinnati James L. Winkle College of Pharmacy, Cincinnati, OH, United States
| | - Sophia V. Norman
- Department of Biological Sciences, University of Cincinnati College of Arts and Sciences, Cincinnati, OH, United States
| | - Kainat Lungani
- Department of Biological Sciences, University of Cincinnati College of Arts and Sciences, Cincinnati, OH, United States
| | - Poornima Gopalan
- Department of Biological Sciences, University of Cincinnati College of Arts and Sciences, Cincinnati, OH, United States
| | - Gary A. Gudelsky
- Division of Pharmaceutical Sciences, University of Cincinnati James L. Winkle College of Pharmacy, Cincinnati, OH, United States
- Neuroscience Graduate Program, University of Cincinnati College of Medicine, Cincinnati, OH, United States
| | - Matthew J. Robson
- Division of Pharmaceutical Sciences, University of Cincinnati James L. Winkle College of Pharmacy, Cincinnati, OH, United States
- Neuroscience Graduate Program, University of Cincinnati College of Medicine, Cincinnati, OH, United States
- *Correspondence: Matthew J. Robson,
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4
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Kaliyappan K, Nakuci J, Preda M, Schweser F, Muldoon S, Krishnan Muthaiah VP. Correlation of Histomorphometric Changes with Diffusion Tensor Imaging for Evaluation of Blast-Induced Auditory Neurodegeneration in Chinchilla. J Neurotrauma 2021; 38:3248-3259. [PMID: 34605670 DOI: 10.1089/neu.2020.7556] [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: 11/12/2022] Open
Abstract
In the present study, we have evaluated the blast-induced auditory neurodegeneration in chinchilla by correlating the histomorphometric changes with diffusion tensor imaging. The chinchillas were exposed to single unilateral blast-overpressure (BOP) at ∼172dB peak sound pressure level (SPL) and the pathological changes were compared at 1 week and 1 month after BOP. The functional integrity of the auditory system was assessed by auditory brainstem response (ABR) and distortion product otoacoustic emissions (DPOAE). The axonal integrity was assessed using diffusion tensor imaging at regions of interests (ROIs) of the central auditory neuraxis (CAN) including the cochlear nucleus (CN), inferior colliculus (IC), and auditory cortex (AC). Post-BOP, cyto-architecture metrics such as viable cells, degenerating neurons, and apoptotic cells were quantified at the CAN ROIs using light microscopic studies using cresyl fast violet, hematoxylin and eosin, and modified Crossmon's trichrome stains. We observed mean ABR threshold shifts of 30- and 10-dB SPL at 1 week and 1 month after BOP, respectively. A similar pattern was observed in DPAOE amplitudes shift. In the CAN ROIs, diffusion tensor imaging studies showed a decreased axial diffusivity in CN 1 month after BOP and a decreased mean diffusivity and radial diffusivity at 1 week after BOP. However, morphometric measures such as decreased viable cells and increased degenerating neurons and apoptotic cells were observed at CN, IC, and AC. Specifically, increased degenerating neurons and reduced viable cells were high on the ipsilateral side when compared with the contralateral side. These results indicate that a single blast significantly damages structural and functional integrity at all levels of CAN ROIs.
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Affiliation(s)
- Kathiravan Kaliyappan
- Department of Rehabilitation Sciences, School of Public Health and Health Professions, College of Arts and Sciences, University at Buffalo, Buffalo, New York, USA
| | - Johan Nakuci
- Neuroscience Program, College of Arts and Sciences, University at Buffalo, Buffalo, New York, USA
| | - Marilena Preda
- Buffalo Neuroimaging Analysis Center, Department of Neurology, Jacobs School of Medicine and Biomedical Sciences, College of Arts and Sciences, University at Buffalo, Buffalo, New York, USA.,Center for Biomedical Imaging, Clinical and Translational Science Institute, College of Arts and Sciences, University at Buffalo, Buffalo, New York, USA
| | - Ferdinand Schweser
- Buffalo Neuroimaging Analysis Center, Department of Neurology, Jacobs School of Medicine and Biomedical Sciences, College of Arts and Sciences, University at Buffalo, Buffalo, New York, USA.,Center for Biomedical Imaging, Clinical and Translational Science Institute, College of Arts and Sciences, University at Buffalo, Buffalo, New York, USA
| | - Sarah Muldoon
- Department of Mathematics, College of Arts and Sciences, University at Buffalo, Buffalo, New York, USA
| | - Vijaya Prakash Krishnan Muthaiah
- Department of Rehabilitation Sciences, School of Public Health and Health Professions, College of Arts and Sciences, University at Buffalo, Buffalo, New York, USA
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5
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Phipps H, Mondello S, Wilson A, Dittmer T, Rohde NN, Schroeder PJ, Nichols J, McGirt C, Hoffman J, Tanksley K, Chohan M, Heiderman A, Abou Abbass H, Kobeissy F, Hinds S. Characteristics and Impact of U.S. Military Blast-Related Mild Traumatic Brain Injury: A Systematic Review. Front Neurol 2020; 11:559318. [PMID: 33224086 PMCID: PMC7667277 DOI: 10.3389/fneur.2020.559318] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 09/08/2020] [Indexed: 12/27/2022] Open
Abstract
As a result of armed conflict, head trauma from exposure to blasts is an increasing critical health issue, particularly among military service members. Whilst numerous studies examined the burden of blast-related brain injuries on service members', few systematic reviews have been published. This work provides a comprehensive summary of the evidence on blast-related mild traumatic brain injury (mTBI) burden in active U.S. military service members and inactive Veterans, describing characteristics and outcomes. Records published up to April 2017 were identified through a search of PubMed, Web of Science, Scopus, Ovid MEDLINE, and Cochrane Library. Records-based and original research reporting on U.S. military service members and Veterans with mild blast TBI were included. Data on subject characteristics, exposure, diagnostic criterion, and outcomes were extracted from included studies using a standardized extraction form and were presented narratively. Of the 2,290 references identified by the search, 106 studies with a total of 37,515 participants met inclusion criteria for blast-related mTBI. All but nine studies were based out of military or Veteran medical facilities. Unsurprisingly, men were over-represented (75–100%). The criteria used to define blast-related mTBI were consistent; however, the methodology used to ascertain whether individuals met those criteria for diagnosis were inconsistent. The diagnosis, most prevalent among the Army, heavily relied on self-reported histories. Commonly reported adverse outcomes included hearing disturbances and headaches. The most frequently associated comorbidities were post-traumatic stress disorder, depression, anxiety, sleep disorders, attention disorders, and cognitive disorders. The primary objective of this review was to provide a summary of descriptive data on blast-related mTBI in a U.S. military population. Low standardization of the methods for reaching diagnosis and problems in the study reporting emphasize the importance to collect high-quality data to fill knowledge gaps pertaining to blast-related mTBI.
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Affiliation(s)
- Helen Phipps
- Booz Allen Hamilton, San Antonio, TX, United States
| | - Stefania Mondello
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina, Italy.,Department of Neurology IC, Oasi Research Institute-IRCCS, Troina, Italy
| | | | | | | | | | | | | | | | | | | | | | - Hussein Abou Abbass
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Firas Kobeissy
- Department of Psychiatry, Center for Neuroproteomics and Biomarkers Research, University of Florida, Gainesville, FL, United States
| | - Sidney Hinds
- Medical Research and Development Command, Ft Detrick, MD, United States
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6
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Belding JN, Fitzmaurice S, Englert RM, Koenig HG, Thomsen CJ, Olaghere da Silva U. Self-Reported Concussion Symptomology during Deployment: Differences as a Function of Injury Mechanism and Low-Level Blast Exposure. J Neurotrauma 2020; 37:2219-2226. [PMID: 32368945 DOI: 10.1089/neu.2020.6997] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Traumatic brain injury (TBI), which can result from either direct impact to the head or blast exposure, has been the leading cause of morbidity and mortality in recent military conflicts. However, little research has compared mTBIs by mechanism of injury. The present research addressed two research questions: (1) Are blast-related mTBIs (mbTBIs) associated with significantly more symptoms than impact-related mTBIs (miTBIs), and (2) are mTBIs associated with more self-reported symptoms among service members with higher (vs. lower) risk of low-level blast (LLB) exposure. We obtained data from 181,423 active duty enlisted United States Marines deployed between 2003 and 2012, who completed the Post-Deployment Health Assessment. We examined the self-reported symptoms of Marines who completed an mTBI screen and could be classified as at high or low risk for LLB exposure, using their military occupation as a proxy (n = 12,013). Symptoms were compared as a function of blast exposure (blast vs. impact), probable mTBI (yes vs. no), occupational risk of LLB (high vs. low), and symptom type (neurological vs. musculoskeletal vs. immunological). Overall, musculoskeletal symptoms were reported more frequently than neurological and immunological symptoms. However, Marines with probable mTBIs (regardless of mechanism of injury) and those with probable mbTBIs specifically reported more neurological symptoms, which rose to the level of musculoskeletal symptom reporting. Among Marines with probable mTBI, those with high risk of LLB exposure also reported significantly more neurological symptoms. Our results indicate that mbTBIs and miTBIs may be fundamentally different, and that LLB may increase susceptibility to injury.
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Affiliation(s)
- Jennifer N Belding
- Leidos, San Diego, California, USA.,Naval Health Research Center, San Diego, California, USA
| | - Shannon Fitzmaurice
- Leidos, San Diego, California, USA.,Naval Health Research Center, San Diego, California, USA
| | - Robyn Martin Englert
- Leidos, San Diego, California, USA.,Naval Health Research Center, San Diego, California, USA
| | - Hannah G Koenig
- Leidos, San Diego, California, USA.,Naval Health Research Center, San Diego, California, USA
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7
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Ghai V, Fallen S, Baxter D, Scherler K, Kim TK, Zhou Y, Meabon JS, Logsdon AF, Banks WA, Schindler AG, Cook DG, Peskind ER, Lee I, Wang K. Alterations in Plasma microRNA and Protein Levels in War Veterans with Chronic Mild Traumatic Brain Injury. J Neurotrauma 2020; 37:1418-1430. [PMID: 32024417 PMCID: PMC7249467 DOI: 10.1089/neu.2019.6826] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
Blast-related mild traumatic brain injury (mTBI) is considered the "signature" injury of the wars in Iraq and Afghanistan. Identifying biomarkers that could aid in diagnosis and assessment of chronic mTBI are urgently needed, as little progress has been made toward identifying blood-based biomarkers of repetitive mTBI in the chronic state. Addressing this knowledge gap is especially important in the population of military veterans who are receiving assessment and care often years after their last exposure. Circulating microRNAs (miRNAs), especially those encapsulated in extracellular vesicles (EVs), have gained interest as a source of biomarkers for neurological conditions. To identify biomarkers for chronic mTBI, we used next generation sequencing (NGS) to analyze miRNAs in plasma and plasma-derived EVs from 27 Iraq and Afghanistan war veterans with blast-related chronic mTBI, 11 deployed veteran non-TBI controls, and 31 civilian controls. We identified 32 miRNAs in plasma and 45 miRNAs in EVs that significantly changed in the chronic mTBI cohort compared with control groups. These miRNAs were predominantly associated with pathways involved in neuronal function, vascular remodeling, blood-brain barrier integrity, and neuroinflammation. In addition, the plasma proteome was analyzed and showed that the concentrations of C-reactive protein (CRP) and membrane metalloendopeptidase (MME) were elevated in chronic mTBI samples. These plasma miRNAs and proteins could potentially be used as biomarkers and provide insights into the molecular processes associated with the long-term health outcomes associated with blast-related chronic mTBI.
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Affiliation(s)
- Vikas Ghai
- Institute for Systems Biology, Seattle, Washington, USA
| | | | - David Baxter
- Institute for Systems Biology, Seattle, Washington, USA
| | | | - Taek-Kyun Kim
- Institute for Systems Biology, Seattle, Washington, USA
| | - Yong Zhou
- Institute for Systems Biology, Seattle, Washington, USA
| | - James S. Meabon
- Veterans Affairs Northwest Network Mental Illness, Research, Education, and Clinical Center, and Education, and Clinical Center, VA Puget Sound Health Care System (VAPSHCS), Seattle, Washington, USA.,Department of Psychiatry and Behavioral Sciences, University of Washington School of Medicine, Seattle, Washington, USA
| | - Aric F. Logsdon
- Geriatric Research, Education, and Clinical Center, VA Puget Sound Health Care System (VAPSHCS), Seattle, Washington, USA.,Division of Gerontology and Geriatric Medicine, Department of Medicine, and University of Washington School of Medicine, Seattle, Washington, USA
| | - William A. Banks
- Geriatric Research, Education, and Clinical Center, VA Puget Sound Health Care System (VAPSHCS), Seattle, Washington, USA.,Division of Gerontology and Geriatric Medicine, Department of Medicine, and University of Washington School of Medicine, Seattle, Washington, USA
| | - Abigail G. Schindler
- Department of Psychiatry and Behavioral Sciences, University of Washington School of Medicine, Seattle, Washington, USA.,Geriatric Research, Education, and Clinical Center, VA Puget Sound Health Care System (VAPSHCS), Seattle, Washington, USA
| | - David G. Cook
- Geriatric Research, Education, and Clinical Center, VA Puget Sound Health Care System (VAPSHCS), Seattle, Washington, USA.,Division of Gerontology and Geriatric Medicine, Department of Medicine, and University of Washington School of Medicine, Seattle, Washington, USA.,Department of Pharmacology, University of Washington School of Medicine, Seattle, Washington, USA
| | - Elaine R. Peskind
- Veterans Affairs Northwest Network Mental Illness, Research, Education, and Clinical Center, and Education, and Clinical Center, VA Puget Sound Health Care System (VAPSHCS), Seattle, Washington, USA.,Department of Psychiatry and Behavioral Sciences, University of Washington School of Medicine, Seattle, Washington, USA
| | - Inyoul Lee
- Institute for Systems Biology, Seattle, Washington, USA
| | - Kai Wang
- Institute for Systems Biology, Seattle, Washington, USA.,Address correspondence to: Kai Wang, PhD, Hood-Price Lab, Institute for Systems Biology, 401 Terry Avenue North, Seattle, WA 98109-5263, USA
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8
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Iverson GL, Gardner AJ, Shultz SR, Solomon GS, McCrory P, Zafonte R, Perry G, Hazrati LN, Keene CD, Castellani RJ. Chronic traumatic encephalopathy neuropathology might not be inexorably progressive or unique to repetitive neurotrauma. Brain 2020; 142:3672-3693. [PMID: 31670780 PMCID: PMC6906593 DOI: 10.1093/brain/awz286] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 07/01/2019] [Accepted: 07/15/2019] [Indexed: 12/11/2022] Open
Abstract
In the 20th century, chronic traumatic encephalopathy (CTE) was conceptualized as a neurological disorder affecting some active and retired boxers who had tremendous exposure to neurotrauma. In recent years, the two research groups in the USA who have led the field have asserted definitively that CTE is a delayed-onset and progressive neurodegenerative disease, with symptoms appearing in midlife or decades after exposure. Between 2005 and 2012 autopsy cases of former boxers and American football players described neuropathology attributed to CTE that was broad and diverse. This pathology, resulting from multiple causes, was aggregated and referred to, in toto, as the pathology ‘characteristic’ of CTE. Preliminary consensus criteria for defining the neuropathology of CTE were forged in 2015 and published in 2016. Most of the macroscopic and microscopic neuropathological findings described as characteristic of CTE, in studies published before 2016, were not included in the new criteria for defining the pathology. In the past few years, there has been steadily emerging evidence that the neuropathology described as unique to CTE may not be unique. CTE pathology has been described in individuals with no known participation in collision or contact sports and no known exposure to repetitive neurotrauma. This pathology has been reported in individuals with substance abuse, temporal lobe epilepsy, amyotrophic lateral sclerosis, multiple system atrophy, and other neurodegenerative diseases. Moreover, throughout history, some clinical cases have been described as not being progressive, and there is now evidence that CTE neuropathology might not be progressive in some individuals. Considering the current state of knowledge, including the absence of a series of validated sensitive and specific biomarkers, CTE pathology might not be inexorably progressive or specific to those who have experienced repetitive neurotrauma.
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Affiliation(s)
- Grant L Iverson
- Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, Massachusetts, USA.,Spaulding Rehabilitation Hospital and Spaulding Research Institute, Boston, Massachusetts, USA.,MassGeneral Hospital for Children™ Sports Concussion Program, Boston, Massachusetts, USA.,Home Base, A Red Sox Foundation and Massachusetts General Hospital Program, Boston, Massachusetts, USA
| | - Andrew J Gardner
- Hunter New England Local Health District, Sports Concussion Program, University of Newcastle, Callaghan, NSW, Australia.,Centre for Stroke and Brain Injury, School of Medicine and Public Health, University of Newcastle, Callaghan, NSW, Australia
| | - Sandy R Shultz
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Gary S Solomon
- Department of Neurological Surgery, Orthopaedic Surgery and Rehabilitation, Vanderbilt University School of Medicine, Nashville, Tennessee, USA.,Department of Psychiatry and Behavioral Sciences, Vanderbilt University School of Medicine, Nashville, Tennessee, USA.,Vanderbilt Sports Concussion Center, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
| | - Paul McCrory
- The Florey Institute of Neuroscience and Mental Health, Melbourne Brain Centre - Austin Campus, Heidelberg, Victoria Australia
| | - Ross Zafonte
- Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, Massachusetts, USA.,Spaulding Rehabilitation Hospital and Spaulding Research Institute, Boston, Massachusetts, USA.,Home Base, A Red Sox Foundation and Massachusetts General Hospital Program, Boston, Massachusetts, USA
| | - George Perry
- College of Sciences, University of Texas, San Antonio; San Antonio, Texas, USA
| | - Lili-Naz Hazrati
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
| | - C Dirk Keene
- Department of Pathology, Division of Neuropathology, University of Washington School of Medicine, Seattle, Washington, USA
| | - Rudolph J Castellani
- Department of Pathology, Anatomy and Laboratory Medicine, West Virginia University School of Medicine, Morgantown, USA.,Department of Neuroscience, Rockefeller Neuroscience Institute, West Virginia University School of Medicine, Morgantown, USA
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9
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Tripathy A, Shade A, Erskine B, Bailey K, Grande A, deLong JJ, Perry G, Castellani RJ. No Evidence of Increased Chronic Traumatic Encephalopathy Pathology or Neurodegenerative Proteinopathy in Former Military Service Members: A Preliminary Study. J Alzheimers Dis 2019; 67:1277-1289. [DOI: 10.3233/jad-181039] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Arushi Tripathy
- Center for Neuropathology, Western Michigan University Homer Stryker MD School of Medicine, Kalamazoo, MI, USA
| | - Ashley Shade
- Center for Neuropathology, Western Michigan University Homer Stryker MD School of Medicine, Kalamazoo, MI, USA
| | - Brittany Erskine
- Center for Neuropathology, Western Michigan University Homer Stryker MD School of Medicine, Kalamazoo, MI, USA
| | - Kristi Bailey
- Center for Neuropathology, Western Michigan University Homer Stryker MD School of Medicine, Kalamazoo, MI, USA
| | - Abigail Grande
- Center for Neuropathology, Western Michigan University Homer Stryker MD School of Medicine, Kalamazoo, MI, USA
| | - Joyce J. deLong
- Center for Neuropathology, Western Michigan University Homer Stryker MD School of Medicine, Kalamazoo, MI, USA
| | - George Perry
- College of Sciences, University of Texas at San Antonio, San Antonio, TX, USA
| | - Rudy J. Castellani
- Center for Neuropathology, Western Michigan University Homer Stryker MD School of Medicine, Kalamazoo, MI, USA
- Departments of Pathology and Neuroscience, West Virginia University School of Medicine, Rockefeller Neuroscience Institute, Morgantown, WV, USA
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