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Turner M, Bartlett D, Poudel G, Zaenker P, Laws S, Lo J, Ziman M, Cruickshank T. Associations between Sleep Quality and Serum Levels of Neurofilament Light in Individuals with Premanifest Huntington Disease. Sleep Sci 2024; 17:e199-e202. [PMID: 38846594 PMCID: PMC11152634 DOI: 10.1055/s-0043-1777783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 09/11/2023] [Indexed: 06/09/2024] Open
Abstract
Objectives To evaluate the associations between sleep quality and serum levels of neurofilament light (NfL) protein in individuals with premanifest Huntington disease (HD). Materials and Methods We recruited 28 individuals with premanifest HD from a pre-existing database (of the Huntington's Environmental Research Optimisation Scheme, HEROs). The participants filled out the Pittsburgh Sleep Quality Index (PSQI), a subjective measure of sleep quality, and blood was collected via routine venepuncture to measure peripheral NfL levels. Results The PSQI scores (median: 5.0; interquartile range: 4.0-7.5) indicated poor sleep quality. General linear modelling revealed no significant ( p = 0.242) association between PSQI scores and NfL levels. No significant differences were found between individuals with good and poor sleep quality for any demographic variable collected. Discussion Contrary to studies on other neurological conditions, there was no association between sleep quality and NfL levels in individuals with premanifest HD. This was unexpected, given the influence of environmental factors (such as social network size) on neurodegeneration in individuals with premanifest HD.
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Affiliation(s)
- Mitchell Turner
- Centre for Precision Health, Edith Cowan University, Perth, WA, Australia
- School of Medical and Health Sciences, Edith Cowan University, Perth, WA, Australia
| | - Danielle Bartlett
- School of Medical and Health Sciences, Edith Cowan University, Perth, WA, Australia
| | - Govinda Poudel
- Mary Mackillop Institute for Health Research, Australian Catholic University, Melbourne, VIC, Australia
| | - Pauline Zaenker
- Centre for Precision Health, Edith Cowan University, Perth, WA, Australia
- School of Medical and Health Sciences, Edith Cowan University, Perth, WA, Australia
| | - Simon Laws
- Centre for Precision Health, Edith Cowan University, Perth, WA, Australia
- School of Medical and Health Sciences, Edith Cowan University, Perth, WA, Australia
| | - Johnny Lo
- School of Science, Edith Cowan University, Perth, WA, Australia
| | - Mel Ziman
- School of Medical and Health Sciences, Edith Cowan University, Perth, WA, Australia
| | - Travis Cruickshank
- Centre for Precision Health, Edith Cowan University, Perth, WA, Australia
- School of Medical and Health Sciences, Edith Cowan University, Perth, WA, Australia
- Perron Institute for Neurological and Translational Sciences, Perth, WA, Australia
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Werner JK, Albrecht J, Capaldi VF, Jain S, Sun X, Mukherjee P, Williams SG, Collen J, Diaz-Arrastia R, Manley GT, Krystal AD, Wickwire E. Association of Biomarkers of Neuronal Injury and Inflammation With Insomnia Trajectories After Traumatic Brain Injury: A TRACK-TBI Study. Neurology 2024; 102:e209269. [PMID: 38547447 PMCID: PMC11210587 DOI: 10.1212/wnl.0000000000209269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 02/05/2024] [Indexed: 04/02/2024] Open
Abstract
BACKGROUND AND OBJECTIVES Insomnia affects about one-third of patients with traumatic brain injury and is associated with worsened outcomes after injury. We hypothesized that higher levels of plasma neuroinflammation biomarkers at the time of TBI would be associated with worse 12-month insomnia trajectories. METHODS Participants were prospectively enrolled from 18 level-1 trauma centers participating in the Transforming Research and Clinical Knowledge in Traumatic Brain Injury study from February 26, 2014, to August 8, 2018. Plasma glial fibrillary acidic protein (GFAP), high-sensitivity C-reactive protein (hsCRP), S100b, neuron-specific enolase (NSE), and ubiquitin carboxyl-terminal hydrolase-L1 (UCH-L1) were collected on days 1 (D1) and 14 (D14) after TBI. The insomnia severity index was collected at 2 weeks, 3, 6, and 12 months postinjury. Participants were classified into insomnia trajectory classes based on a latent class model. We assessed the association of biomarkers with insomnia trajectories, controlling for medical and psychological comorbidities and demographics. RESULTS Two thousand twenty-two individuals with TBI were studied. Elevations in D1 hsCRP were associated with persistent insomnia (severe, odds ratio [OR] = 1.33 [1.11, 1.59], p = 0.002; mild, OR = 1.10 [1.02, 1.19], p = 0.011). Similarly, D14 hsCRP elevations were associated with persistent insomnia (severe, OR = 1.27 [1.02, 1.59], p = 0.03). Of interest, D1 GFAP was lower in persistent severe insomnia (median [Q1, Q3]: 154 [19, 445] pg/mL) compared with resolving mild (491 [154, 1,423], p < 0.001) and persistent mild (344 [79, 1,287], p < 0.001). D14 GFAP was similarly lower in persistent (11.8 [6.4, 19.4], p = 0.001) and resolving (13.9 [10.3, 20.7], p = 0.011) severe insomnia compared with resolving mild (20.6 [12.4, 39.6]. Accordingly, increases in D1 GFAP were associated with reduced likelihood of having persistent severe (OR = 0.76 [95% CI 0.63-0.92], p = 0.004) and persistent mild (OR = 0.88 [0.81, 0.96], p = 0.003) compared with mild resolving insomnia. No differences were found with other biomarkers. DISCUSSION Elevated plasma hsCRP and, surprisingly, lower GFAP were associated with adverse insomnia trajectories after TBI. Results support future prospective studies to examine their utility in guiding insomnia care after TBI. Further work is needed to explore potential mechanistic connections between GFAP levels and the adverse insomnia trajectories.
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Affiliation(s)
- J Kent Werner
- From the Department of Neurology (J.K.W.); Center for Neuroscience and Regenerative Medicine (J.K.W.), Uniformed Services University; Sleep Disorders Center (J.K.W., J.C.), Department of Medicine, Walter Reed National Military Medical Center, Bethesda; Department of Epidemiology and Public Health (J.A.), University of Maryland School of Medicine, Baltimore; Center for Military Psychiatry and Neuroscience (V.F.C., S.G.W.), Walter Reed Army Institute of Research, Silver Spring; Department of Medicine (V.F.C., J.C.), Uniformed Services University of the Health Sciences, Bethesda, MD; Biostatistics Research Center (V.F.C., S.G.W.), Herbert Wertheim School of Public Health and Human Longevity Science, University of California, San Diego; Department of Radiology (S.J., X.S.), School of Medicine, University of California San Francisco; Department of Medicine (P.M.), Alexander T. Augusta Military Medical Center, Fort Belvoir, VA; Department of Psychiatry (S.G.W.), Uniformed Services University of the Health Sciences, Bethesda, MD; Department of Neurology (R.D.-A.), University of Pennsylvania Perelman School of Medicine, Philadelphia; Brain and Spinal Injury Center (G.T.M.); Department of Neurosurgery (G.T.M.); Department of Psychiatry and Behavioral Sciences (A.D.K.); Weill Institute for Neurosciences (A.D.K.), University of California, San Francisco; Sleep Disorders Center (E.W.), Division of Pulmonary and Critical Care Medicine, Department of Medicine; and Department of Psychiatry (E.W.), University of Maryland School of Medicine, Baltimore
| | - Jennifer Albrecht
- From the Department of Neurology (J.K.W.); Center for Neuroscience and Regenerative Medicine (J.K.W.), Uniformed Services University; Sleep Disorders Center (J.K.W., J.C.), Department of Medicine, Walter Reed National Military Medical Center, Bethesda; Department of Epidemiology and Public Health (J.A.), University of Maryland School of Medicine, Baltimore; Center for Military Psychiatry and Neuroscience (V.F.C., S.G.W.), Walter Reed Army Institute of Research, Silver Spring; Department of Medicine (V.F.C., J.C.), Uniformed Services University of the Health Sciences, Bethesda, MD; Biostatistics Research Center (V.F.C., S.G.W.), Herbert Wertheim School of Public Health and Human Longevity Science, University of California, San Diego; Department of Radiology (S.J., X.S.), School of Medicine, University of California San Francisco; Department of Medicine (P.M.), Alexander T. Augusta Military Medical Center, Fort Belvoir, VA; Department of Psychiatry (S.G.W.), Uniformed Services University of the Health Sciences, Bethesda, MD; Department of Neurology (R.D.-A.), University of Pennsylvania Perelman School of Medicine, Philadelphia; Brain and Spinal Injury Center (G.T.M.); Department of Neurosurgery (G.T.M.); Department of Psychiatry and Behavioral Sciences (A.D.K.); Weill Institute for Neurosciences (A.D.K.), University of California, San Francisco; Sleep Disorders Center (E.W.), Division of Pulmonary and Critical Care Medicine, Department of Medicine; and Department of Psychiatry (E.W.), University of Maryland School of Medicine, Baltimore
| | - Vincent F Capaldi
- From the Department of Neurology (J.K.W.); Center for Neuroscience and Regenerative Medicine (J.K.W.), Uniformed Services University; Sleep Disorders Center (J.K.W., J.C.), Department of Medicine, Walter Reed National Military Medical Center, Bethesda; Department of Epidemiology and Public Health (J.A.), University of Maryland School of Medicine, Baltimore; Center for Military Psychiatry and Neuroscience (V.F.C., S.G.W.), Walter Reed Army Institute of Research, Silver Spring; Department of Medicine (V.F.C., J.C.), Uniformed Services University of the Health Sciences, Bethesda, MD; Biostatistics Research Center (V.F.C., S.G.W.), Herbert Wertheim School of Public Health and Human Longevity Science, University of California, San Diego; Department of Radiology (S.J., X.S.), School of Medicine, University of California San Francisco; Department of Medicine (P.M.), Alexander T. Augusta Military Medical Center, Fort Belvoir, VA; Department of Psychiatry (S.G.W.), Uniformed Services University of the Health Sciences, Bethesda, MD; Department of Neurology (R.D.-A.), University of Pennsylvania Perelman School of Medicine, Philadelphia; Brain and Spinal Injury Center (G.T.M.); Department of Neurosurgery (G.T.M.); Department of Psychiatry and Behavioral Sciences (A.D.K.); Weill Institute for Neurosciences (A.D.K.), University of California, San Francisco; Sleep Disorders Center (E.W.), Division of Pulmonary and Critical Care Medicine, Department of Medicine; and Department of Psychiatry (E.W.), University of Maryland School of Medicine, Baltimore
| | - Sonia Jain
- From the Department of Neurology (J.K.W.); Center for Neuroscience and Regenerative Medicine (J.K.W.), Uniformed Services University; Sleep Disorders Center (J.K.W., J.C.), Department of Medicine, Walter Reed National Military Medical Center, Bethesda; Department of Epidemiology and Public Health (J.A.), University of Maryland School of Medicine, Baltimore; Center for Military Psychiatry and Neuroscience (V.F.C., S.G.W.), Walter Reed Army Institute of Research, Silver Spring; Department of Medicine (V.F.C., J.C.), Uniformed Services University of the Health Sciences, Bethesda, MD; Biostatistics Research Center (V.F.C., S.G.W.), Herbert Wertheim School of Public Health and Human Longevity Science, University of California, San Diego; Department of Radiology (S.J., X.S.), School of Medicine, University of California San Francisco; Department of Medicine (P.M.), Alexander T. Augusta Military Medical Center, Fort Belvoir, VA; Department of Psychiatry (S.G.W.), Uniformed Services University of the Health Sciences, Bethesda, MD; Department of Neurology (R.D.-A.), University of Pennsylvania Perelman School of Medicine, Philadelphia; Brain and Spinal Injury Center (G.T.M.); Department of Neurosurgery (G.T.M.); Department of Psychiatry and Behavioral Sciences (A.D.K.); Weill Institute for Neurosciences (A.D.K.), University of California, San Francisco; Sleep Disorders Center (E.W.), Division of Pulmonary and Critical Care Medicine, Department of Medicine; and Department of Psychiatry (E.W.), University of Maryland School of Medicine, Baltimore
| | - Xiaoying Sun
- From the Department of Neurology (J.K.W.); Center for Neuroscience and Regenerative Medicine (J.K.W.), Uniformed Services University; Sleep Disorders Center (J.K.W., J.C.), Department of Medicine, Walter Reed National Military Medical Center, Bethesda; Department of Epidemiology and Public Health (J.A.), University of Maryland School of Medicine, Baltimore; Center for Military Psychiatry and Neuroscience (V.F.C., S.G.W.), Walter Reed Army Institute of Research, Silver Spring; Department of Medicine (V.F.C., J.C.), Uniformed Services University of the Health Sciences, Bethesda, MD; Biostatistics Research Center (V.F.C., S.G.W.), Herbert Wertheim School of Public Health and Human Longevity Science, University of California, San Diego; Department of Radiology (S.J., X.S.), School of Medicine, University of California San Francisco; Department of Medicine (P.M.), Alexander T. Augusta Military Medical Center, Fort Belvoir, VA; Department of Psychiatry (S.G.W.), Uniformed Services University of the Health Sciences, Bethesda, MD; Department of Neurology (R.D.-A.), University of Pennsylvania Perelman School of Medicine, Philadelphia; Brain and Spinal Injury Center (G.T.M.); Department of Neurosurgery (G.T.M.); Department of Psychiatry and Behavioral Sciences (A.D.K.); Weill Institute for Neurosciences (A.D.K.), University of California, San Francisco; Sleep Disorders Center (E.W.), Division of Pulmonary and Critical Care Medicine, Department of Medicine; and Department of Psychiatry (E.W.), University of Maryland School of Medicine, Baltimore
| | - Pratik Mukherjee
- From the Department of Neurology (J.K.W.); Center for Neuroscience and Regenerative Medicine (J.K.W.), Uniformed Services University; Sleep Disorders Center (J.K.W., J.C.), Department of Medicine, Walter Reed National Military Medical Center, Bethesda; Department of Epidemiology and Public Health (J.A.), University of Maryland School of Medicine, Baltimore; Center for Military Psychiatry and Neuroscience (V.F.C., S.G.W.), Walter Reed Army Institute of Research, Silver Spring; Department of Medicine (V.F.C., J.C.), Uniformed Services University of the Health Sciences, Bethesda, MD; Biostatistics Research Center (V.F.C., S.G.W.), Herbert Wertheim School of Public Health and Human Longevity Science, University of California, San Diego; Department of Radiology (S.J., X.S.), School of Medicine, University of California San Francisco; Department of Medicine (P.M.), Alexander T. Augusta Military Medical Center, Fort Belvoir, VA; Department of Psychiatry (S.G.W.), Uniformed Services University of the Health Sciences, Bethesda, MD; Department of Neurology (R.D.-A.), University of Pennsylvania Perelman School of Medicine, Philadelphia; Brain and Spinal Injury Center (G.T.M.); Department of Neurosurgery (G.T.M.); Department of Psychiatry and Behavioral Sciences (A.D.K.); Weill Institute for Neurosciences (A.D.K.), University of California, San Francisco; Sleep Disorders Center (E.W.), Division of Pulmonary and Critical Care Medicine, Department of Medicine; and Department of Psychiatry (E.W.), University of Maryland School of Medicine, Baltimore
| | - Scott G Williams
- From the Department of Neurology (J.K.W.); Center for Neuroscience and Regenerative Medicine (J.K.W.), Uniformed Services University; Sleep Disorders Center (J.K.W., J.C.), Department of Medicine, Walter Reed National Military Medical Center, Bethesda; Department of Epidemiology and Public Health (J.A.), University of Maryland School of Medicine, Baltimore; Center for Military Psychiatry and Neuroscience (V.F.C., S.G.W.), Walter Reed Army Institute of Research, Silver Spring; Department of Medicine (V.F.C., J.C.), Uniformed Services University of the Health Sciences, Bethesda, MD; Biostatistics Research Center (V.F.C., S.G.W.), Herbert Wertheim School of Public Health and Human Longevity Science, University of California, San Diego; Department of Radiology (S.J., X.S.), School of Medicine, University of California San Francisco; Department of Medicine (P.M.), Alexander T. Augusta Military Medical Center, Fort Belvoir, VA; Department of Psychiatry (S.G.W.), Uniformed Services University of the Health Sciences, Bethesda, MD; Department of Neurology (R.D.-A.), University of Pennsylvania Perelman School of Medicine, Philadelphia; Brain and Spinal Injury Center (G.T.M.); Department of Neurosurgery (G.T.M.); Department of Psychiatry and Behavioral Sciences (A.D.K.); Weill Institute for Neurosciences (A.D.K.), University of California, San Francisco; Sleep Disorders Center (E.W.), Division of Pulmonary and Critical Care Medicine, Department of Medicine; and Department of Psychiatry (E.W.), University of Maryland School of Medicine, Baltimore
| | - Jacob Collen
- From the Department of Neurology (J.K.W.); Center for Neuroscience and Regenerative Medicine (J.K.W.), Uniformed Services University; Sleep Disorders Center (J.K.W., J.C.), Department of Medicine, Walter Reed National Military Medical Center, Bethesda; Department of Epidemiology and Public Health (J.A.), University of Maryland School of Medicine, Baltimore; Center for Military Psychiatry and Neuroscience (V.F.C., S.G.W.), Walter Reed Army Institute of Research, Silver Spring; Department of Medicine (V.F.C., J.C.), Uniformed Services University of the Health Sciences, Bethesda, MD; Biostatistics Research Center (V.F.C., S.G.W.), Herbert Wertheim School of Public Health and Human Longevity Science, University of California, San Diego; Department of Radiology (S.J., X.S.), School of Medicine, University of California San Francisco; Department of Medicine (P.M.), Alexander T. Augusta Military Medical Center, Fort Belvoir, VA; Department of Psychiatry (S.G.W.), Uniformed Services University of the Health Sciences, Bethesda, MD; Department of Neurology (R.D.-A.), University of Pennsylvania Perelman School of Medicine, Philadelphia; Brain and Spinal Injury Center (G.T.M.); Department of Neurosurgery (G.T.M.); Department of Psychiatry and Behavioral Sciences (A.D.K.); Weill Institute for Neurosciences (A.D.K.), University of California, San Francisco; Sleep Disorders Center (E.W.), Division of Pulmonary and Critical Care Medicine, Department of Medicine; and Department of Psychiatry (E.W.), University of Maryland School of Medicine, Baltimore
| | - Ramon Diaz-Arrastia
- From the Department of Neurology (J.K.W.); Center for Neuroscience and Regenerative Medicine (J.K.W.), Uniformed Services University; Sleep Disorders Center (J.K.W., J.C.), Department of Medicine, Walter Reed National Military Medical Center, Bethesda; Department of Epidemiology and Public Health (J.A.), University of Maryland School of Medicine, Baltimore; Center for Military Psychiatry and Neuroscience (V.F.C., S.G.W.), Walter Reed Army Institute of Research, Silver Spring; Department of Medicine (V.F.C., J.C.), Uniformed Services University of the Health Sciences, Bethesda, MD; Biostatistics Research Center (V.F.C., S.G.W.), Herbert Wertheim School of Public Health and Human Longevity Science, University of California, San Diego; Department of Radiology (S.J., X.S.), School of Medicine, University of California San Francisco; Department of Medicine (P.M.), Alexander T. Augusta Military Medical Center, Fort Belvoir, VA; Department of Psychiatry (S.G.W.), Uniformed Services University of the Health Sciences, Bethesda, MD; Department of Neurology (R.D.-A.), University of Pennsylvania Perelman School of Medicine, Philadelphia; Brain and Spinal Injury Center (G.T.M.); Department of Neurosurgery (G.T.M.); Department of Psychiatry and Behavioral Sciences (A.D.K.); Weill Institute for Neurosciences (A.D.K.), University of California, San Francisco; Sleep Disorders Center (E.W.), Division of Pulmonary and Critical Care Medicine, Department of Medicine; and Department of Psychiatry (E.W.), University of Maryland School of Medicine, Baltimore
| | - Geoffrey T Manley
- From the Department of Neurology (J.K.W.); Center for Neuroscience and Regenerative Medicine (J.K.W.), Uniformed Services University; Sleep Disorders Center (J.K.W., J.C.), Department of Medicine, Walter Reed National Military Medical Center, Bethesda; Department of Epidemiology and Public Health (J.A.), University of Maryland School of Medicine, Baltimore; Center for Military Psychiatry and Neuroscience (V.F.C., S.G.W.), Walter Reed Army Institute of Research, Silver Spring; Department of Medicine (V.F.C., J.C.), Uniformed Services University of the Health Sciences, Bethesda, MD; Biostatistics Research Center (V.F.C., S.G.W.), Herbert Wertheim School of Public Health and Human Longevity Science, University of California, San Diego; Department of Radiology (S.J., X.S.), School of Medicine, University of California San Francisco; Department of Medicine (P.M.), Alexander T. Augusta Military Medical Center, Fort Belvoir, VA; Department of Psychiatry (S.G.W.), Uniformed Services University of the Health Sciences, Bethesda, MD; Department of Neurology (R.D.-A.), University of Pennsylvania Perelman School of Medicine, Philadelphia; Brain and Spinal Injury Center (G.T.M.); Department of Neurosurgery (G.T.M.); Department of Psychiatry and Behavioral Sciences (A.D.K.); Weill Institute for Neurosciences (A.D.K.), University of California, San Francisco; Sleep Disorders Center (E.W.), Division of Pulmonary and Critical Care Medicine, Department of Medicine; and Department of Psychiatry (E.W.), University of Maryland School of Medicine, Baltimore
| | - Andrew D Krystal
- From the Department of Neurology (J.K.W.); Center for Neuroscience and Regenerative Medicine (J.K.W.), Uniformed Services University; Sleep Disorders Center (J.K.W., J.C.), Department of Medicine, Walter Reed National Military Medical Center, Bethesda; Department of Epidemiology and Public Health (J.A.), University of Maryland School of Medicine, Baltimore; Center for Military Psychiatry and Neuroscience (V.F.C., S.G.W.), Walter Reed Army Institute of Research, Silver Spring; Department of Medicine (V.F.C., J.C.), Uniformed Services University of the Health Sciences, Bethesda, MD; Biostatistics Research Center (V.F.C., S.G.W.), Herbert Wertheim School of Public Health and Human Longevity Science, University of California, San Diego; Department of Radiology (S.J., X.S.), School of Medicine, University of California San Francisco; Department of Medicine (P.M.), Alexander T. Augusta Military Medical Center, Fort Belvoir, VA; Department of Psychiatry (S.G.W.), Uniformed Services University of the Health Sciences, Bethesda, MD; Department of Neurology (R.D.-A.), University of Pennsylvania Perelman School of Medicine, Philadelphia; Brain and Spinal Injury Center (G.T.M.); Department of Neurosurgery (G.T.M.); Department of Psychiatry and Behavioral Sciences (A.D.K.); Weill Institute for Neurosciences (A.D.K.), University of California, San Francisco; Sleep Disorders Center (E.W.), Division of Pulmonary and Critical Care Medicine, Department of Medicine; and Department of Psychiatry (E.W.), University of Maryland School of Medicine, Baltimore
| | - Emerson Wickwire
- From the Department of Neurology (J.K.W.); Center for Neuroscience and Regenerative Medicine (J.K.W.), Uniformed Services University; Sleep Disorders Center (J.K.W., J.C.), Department of Medicine, Walter Reed National Military Medical Center, Bethesda; Department of Epidemiology and Public Health (J.A.), University of Maryland School of Medicine, Baltimore; Center for Military Psychiatry and Neuroscience (V.F.C., S.G.W.), Walter Reed Army Institute of Research, Silver Spring; Department of Medicine (V.F.C., J.C.), Uniformed Services University of the Health Sciences, Bethesda, MD; Biostatistics Research Center (V.F.C., S.G.W.), Herbert Wertheim School of Public Health and Human Longevity Science, University of California, San Diego; Department of Radiology (S.J., X.S.), School of Medicine, University of California San Francisco; Department of Medicine (P.M.), Alexander T. Augusta Military Medical Center, Fort Belvoir, VA; Department of Psychiatry (S.G.W.), Uniformed Services University of the Health Sciences, Bethesda, MD; Department of Neurology (R.D.-A.), University of Pennsylvania Perelman School of Medicine, Philadelphia; Brain and Spinal Injury Center (G.T.M.); Department of Neurosurgery (G.T.M.); Department of Psychiatry and Behavioral Sciences (A.D.K.); Weill Institute for Neurosciences (A.D.K.), University of California, San Francisco; Sleep Disorders Center (E.W.), Division of Pulmonary and Critical Care Medicine, Department of Medicine; and Department of Psychiatry (E.W.), University of Maryland School of Medicine, Baltimore
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Edwards KA, Lange RT, Lippa SM, Brickell TA, Gill JM, French LM. Serum GFAP, NfL, and tau concentrations are associated with worse neurobehavioral functioning following mild, moderate, and severe TBI: a cross-sectional multiple-cohort study. Front Neurol 2024; 14:1223960. [PMID: 38292036 PMCID: PMC10826119 DOI: 10.3389/fneur.2023.1223960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 10/05/2023] [Indexed: 02/01/2024] Open
Abstract
Introduction The purpose of this study was to examine whether blood-based biomarkers associate with neurobehavioral functioning at three time points following traumatic brain injury (TBI). Materials and methods Participants were 328 United States service members and veterans (SMVs) prospectively enrolled in the Defense and Veterans Brain Injury Center-Traumatic Brain Injury Center of Excellence (DVBIC-TBICoE) 15-Year Longitudinal TBI Study, recruited into three groups: uncomplicated mild TBI (MTBI, n = 155); complicated mild, moderate, severe TBI combined (STBI, n = 97); non-injured controls (NIC, n = 76). Participants were further divided into three cohorts based on time since injury (≤12 months, 3-5 years, and 8-10 years). Participants completed the Minnesota Multiphasic Personality Inventory-2-Restructured Format (MMPI-2-RF) and underwent blood draw to measure serum concentrations of glial fibrillary acidic protein (GFAP), neurofilament light (NfL), and tau. A total of 11 MMPI-2-RF scales were examined (e.g., depression, anxiety, anger, somatic, cognitive symptoms). Stepwise hierarchical regression models were conducted within each group. Results Significant associations were found between biomarkers and MMPI-2-RF scales (all p < 0.05; R2Δ > 0.10). GFAP was inversely related to (a) neurological complaints in the MTBI group at ≤12 months, (b) demoralization, anger proneness in the STBI group at ≤12 months, and (c) head pain complaints in the STBI group at 8-10 years. NfL was (a) related to low positive emotions in the NIC group; and inversely related to (b) demoralization, somatic complaints, neurological complaints, cognitive complaints in the MTBI group at ≤12 months, (c) demoralization in the STBI group at ≤12 months, and (d) demoralization, head pain complaints, stress/worry in the STBI group at 3-5 years. In the STBI group, there were meaningful findings (R2Δ > 0.10) for tau, NFL, and GFAP that did not reach statistical significance. Discussion Results indicate worse scores on some MMPI-2-RF scales (e.g., depression, stress/worry, neurological and head pain complaints) were associated with lower concentrations of serum GFAP, NfL, and tau in the sub-acute and chronic phase of the recovery trajectory up to 5 years post-injury, with a reverse trend observed at 8-10 years. Longitudinal studies are needed to help elucidate any patterns of association between blood-based biomarkers and neurobehavioral outcome over the recovery trajectory following TBI.
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Affiliation(s)
- Katie A. Edwards
- School of Nursing, Johns Hopkins University, Baltimore, MD, United States
| | - Rael T. Lange
- Traumatic Brain Injury Center of Excellence, Silver Spring, MD, United States
- Walter Reed National Military Medical Center, Bethesda, MD, United States
- National Intrepid Center of Excellence, Bethesda, MD, United States
- General Dynamics Information Technology, Silver Spring, MD, United States
- Department of Psychiatry, University of British Columbia, Vancouver, BC, Canada
- Department of Physical Medicine and Rehabilitation, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
| | - Sara M. Lippa
- Walter Reed National Military Medical Center, Bethesda, MD, United States
- National Intrepid Center of Excellence, Bethesda, MD, United States
- Department of Neuroscience, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
| | - Tracey A. Brickell
- Traumatic Brain Injury Center of Excellence, Silver Spring, MD, United States
- Walter Reed National Military Medical Center, Bethesda, MD, United States
- National Intrepid Center of Excellence, Bethesda, MD, United States
- General Dynamics Information Technology, Silver Spring, MD, United States
- Department of Physical Medicine and Rehabilitation, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
| | - Jessica M. Gill
- School of Nursing, Johns Hopkins University, Baltimore, MD, United States
| | - Louis M. French
- Traumatic Brain Injury Center of Excellence, Silver Spring, MD, United States
- Walter Reed National Military Medical Center, Bethesda, MD, United States
- National Intrepid Center of Excellence, Bethesda, MD, United States
- Department of Physical Medicine and Rehabilitation, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
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Jaromirska J, Kaczmarski P, Strzelecki D, Sochal M, Białasiewicz P, Gabryelska A. Shedding light on neurofilament involvement in cognitive decline in obstructive sleep apnea and its possible role as a biomarker. Front Psychiatry 2023; 14:1289367. [PMID: 38098628 PMCID: PMC10720906 DOI: 10.3389/fpsyt.2023.1289367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 10/30/2023] [Indexed: 12/17/2023] Open
Abstract
Obstructive sleep apnea is one of the most common sleep disorders with a high estimated global prevalence and a large number of associated comorbidities in general as well as specific neuropsychiatric complications such as cognitive impairment. The complex pathogenesis and effects of the disorder including chronic intermittent hypoxia and sleep fragmentation may lead to enhanced neuronal damage, thereby contributing to neuropsychiatric pathologies. Obstructive sleep apnea has been described as an independent risk factor for several neurodegenerative diseases, including Alzheimer's disease and all-cause dementia. The influence of obstructive sleep apnea on cognitive deficits is still a topic of recent debate, and several mechanisms, including neurodegeneration and depression-related cognitive dysfunction, underlying this correlation are taken into consideration. The differentiation between both pathomechanisms of cognitive impairment in obstructive sleep apnea is a complex clinical issue, requiring the use of multiple and costly diagnostic methods. The studies conducted on neuroprotection biomarkers, such as brain-derived neurotrophic factors and neurofilaments, are recently gaining ground in the topic of cognition assessment in obstructive sleep apnea patients. Neurofilaments as neuron-specific cytoskeletal proteins could be useful non-invasive indicators of brain conditions and neurodegeneration, which already are observed in many neurological diseases leading to cognitive deficits. Additionally, neurofilaments play an important role as a biomarker in other sleep disorders such as insomnia. Thus, this review summarizes the current knowledge on the involvement of neurofilaments in cognitive decline and neurodegeneration in obstructive sleep apnea patients as well as discusses its possible role as a biomarker of these changes.
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Affiliation(s)
- Julia Jaromirska
- Department of Sleep Medicine and Metabolic Disorders, Medical University of Lodz, Lodz, Poland
| | - Piotr Kaczmarski
- Department of Sleep Medicine and Metabolic Disorders, Medical University of Lodz, Lodz, Poland
| | - Dominik Strzelecki
- Department of Affective and Psychotic Disorders, Medical University of Lodz, Lodz, Poland
| | - Marcin Sochal
- Department of Sleep Medicine and Metabolic Disorders, Medical University of Lodz, Lodz, Poland
| | - Piotr Białasiewicz
- Department of Sleep Medicine and Metabolic Disorders, Medical University of Lodz, Lodz, Poland
| | - Agata Gabryelska
- Department of Sleep Medicine and Metabolic Disorders, Medical University of Lodz, Lodz, Poland
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5
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Chong CD, Furst AJ. Mind Your Head: Insights Into Brain White Matter Tract Maturation in Collegiate Athletes. Neurology 2023; 101:380-381. [PMID: 37479528 DOI: 10.1212/wnl.0000000000207775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 06/28/2023] [Indexed: 07/23/2023] Open
Affiliation(s)
- Catherine D Chong
- From the Department of Neurology and Biomedical Engineering (C.D.C.), Mayo Clinic, Phoenix; and School of Computing and Augmented Intelligence (C.D.C.), Arizona State University, Tempe, AZ; War Related Illness and Injury Study Center (A.J.F.) and Polytrauma System of Care (A.J.F.), VA Palo Alto Health Care System; and Departments of Psychiatry and Behavioral Sciences (A.J.F.) and Neurology and Neurological Sciences (A.J.F.), Stanford University School of Medicine, Palo Alto, CA.
| | - Ansgar J Furst
- From the Department of Neurology and Biomedical Engineering (C.D.C.), Mayo Clinic, Phoenix; and School of Computing and Augmented Intelligence (C.D.C.), Arizona State University, Tempe, AZ; War Related Illness and Injury Study Center (A.J.F.) and Polytrauma System of Care (A.J.F.), VA Palo Alto Health Care System; and Departments of Psychiatry and Behavioral Sciences (A.J.F.) and Neurology and Neurological Sciences (A.J.F.), Stanford University School of Medicine, Palo Alto, CA
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6
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Li Y, Li F, Liu X, Zu J, Zhang W, Zhou S, Zhu J, Zhang T, Cui G, Xu C. Association between serum neurofilament light chain levels and sleep disorders in patients with Parkinson's disease. Neurosci Lett 2023; 812:137394. [PMID: 37437874 DOI: 10.1016/j.neulet.2023.137394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 07/06/2023] [Accepted: 07/09/2023] [Indexed: 07/14/2023]
Abstract
OBJECTIVES This study aimed to investigate the levels of serum neurofilament light chain (NFL) and glial fibrillary acidic protein (GFAP) in patients with Parkinson's disease (PD) and PD patients with sleep disorders (PD-SD), as well as the relationship between these proteins and sleep disorders in PD patients. METHODS A total of 96 PD patients and 38 healthy controls (HC) were included in this study, of which 70 PD patients experienced sleep disorders. Both motor symptoms and sleep conditions were assessed in all PD patients. The ultrasensitive single molecule array (SIMOA) technique was used to quantify NFL and GFAP in the serum. All data were statistically analyzed using SPSS 23.0. RESULTS Serum NFL and GFAP levels were significantly higher in PD patients than in HC. Similarly, PD-SD patients exhibited higher levels of these two proteins than PD patients without sleep disorders (PD-NSD). In addition, both serum GFAP and NFL were significantly associated with sleep-related scales in PD patients. After covariate-adjusted binary logistic regression analysis, NFL remained statistically significant in PD patients with or without sleep disorders, unlike GFAP. CONCLUSIONS Our findings substantiate that serum NFL and GFAP levels are elevated in PD and PD-SD, suggesting neurological axon damage in PD patients, which may be more severe in PD-SD than in PD-NSD. These findings may affect disease diagnosis and provide the foothold for future studies on the underlying mechanisms.
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Affiliation(s)
- Yangdanyu Li
- Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Fujia Li
- Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Xu Liu
- Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Jie Zu
- Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Wei Zhang
- Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Su Zhou
- Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Jienan Zhu
- Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Tao Zhang
- Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Guiyun Cui
- Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.
| | - Chuanying Xu
- Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.
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7
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Mollayeva T, Tran A, Hurst M, Escobar M, Colantonio A. The effect of sleep disorders on dementia risk in patients with traumatic brain injury: A large-scale cohort study. ALZHEIMER'S & DEMENTIA (AMSTERDAM, NETHERLANDS) 2023; 15:e12411. [PMID: 37234486 PMCID: PMC10207584 DOI: 10.1002/dad2.12411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 02/03/2023] [Accepted: 02/07/2023] [Indexed: 05/28/2023]
Abstract
Introduction We investigated the association between sleep disorders (SDs) and incident dementia in adults with traumatic brain injury (TBI). Methods Adults with a TBI between 2003 and 2013 were followed until incident dementia. Sleep disorders at TBI were predictors in Cox regression models, controlling for other dementia risks. Results Over 52 months, 4.6% of the 712,708 adults (59% male, median age 44, <1% with SD) developed dementia. An SD was associated with a 26% and a 23% of increased risk of dementia in male and female participants (hazard ratio [HR] 1.26, 95% confidence interval [CI] 1.11-1.42 and HR 1.23, 95% CI 1.09-1.40, respectively). In male participants, SD was associated with a 93% increased risk of early-onset dementia (HR 1.93, 95% CI 1.29-2.87); this did not hold in female participants (HR 1.38, 95% CI 0.78-2.44). Discussion In a province-wide cohort, SDs at TBI were independently associated with incident dementia. Clinical trials testing sex-specific SD care after TBI for dementia prevention are timely. Highlights TBI and sleep disorders are linked to each other, and to dementia.It is unclear if sleep disorders pose a sex-specific dementia risk in brain injury.In this study, presence of a sleep disorder increased dementia risk in both sexes.The risk differed by type of sleep disorder, which differed between the sexes.Sleep disorder awareness and care in persons with brain injury is vital for dementia prevention.
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Affiliation(s)
- Tatyana Mollayeva
- KITE‐Toronto Rehabilitation InstituteUniversity Health NetworkTorontoOntarioCanada
- Rehabilitation Sciences InstituteTemerty Faculty of MedicineUniversity of TorontoTorontoOntarioCanada
- Dalla Lana School of Public HealthUniversity of TorontoTorontoOntarioCanada
| | - Andrew Tran
- KITE‐Toronto Rehabilitation InstituteUniversity Health NetworkTorontoOntarioCanada
- Dalla Lana School of Public HealthUniversity of TorontoTorontoOntarioCanada
| | - Mackenzie Hurst
- KITE‐Toronto Rehabilitation InstituteUniversity Health NetworkTorontoOntarioCanada
- Dalla Lana School of Public HealthUniversity of TorontoTorontoOntarioCanada
| | - Michael Escobar
- Dalla Lana School of Public HealthUniversity of TorontoTorontoOntarioCanada
| | - Angela Colantonio
- KITE‐Toronto Rehabilitation InstituteUniversity Health NetworkTorontoOntarioCanada
- Rehabilitation Sciences InstituteTemerty Faculty of MedicineUniversity of TorontoTorontoOntarioCanada
- Dalla Lana School of Public HealthUniversity of TorontoTorontoOntarioCanada
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8
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Ludwig R, Rippee M, D'Silva LJ, Radel J, Eakman AM, Morris J, Drerup M, Siengsukon C. Assessing Cognitive Behavioral Therapy for Insomnia to Improve Sleep Outcomes in Individuals With a Concussion: Protocol for a Delayed Randomized Controlled Trial. JMIR Res Protoc 2022; 11:e38608. [PMID: 36149737 PMCID: PMC9547332 DOI: 10.2196/38608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 08/26/2022] [Accepted: 08/29/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Sleep disturbances post concussion have been associated with more frequent and severe concussion symptoms and may contribute to poorer recovery. Cognitive behavioral therapy for insomnia (CBT-I) is an effective treatment for insomnia; however, it remains unclear if this treatment method is effective in improving sleep outcomes and reducing concomitant postconcussion symptoms. OBJECTIVE The hypotheses for this study are that (1) CBT-I will improve sleep outcomes and (2) CBT-I will improve concomitant postconcussion symptoms. METHODS In total, 40 individuals who are within ≥4 weeks of postconcussion injury and have insomnia symptoms will be enrolled in this randomized controlled trial. Participants will be randomized into either a group that starts a 6-week CBT-I program immediately after baseline or a waitlist control group that starts CBT-I following a 6-week waiting period. All participants will be reassessed 6, 12, and 18 weeks after baseline. Standardized assessments measuring sleep outcomes, postconcussion symptoms, and mood will be used. Linear regression and t tests will be used for statistical analyses. RESULTS Enrollment of 40 participants was completed July 2022, data collection will be completed in November 2022, and publication of main findings is anticipated in May 2023. It is anticipated that participants experience reduced insomnia symptoms and postconcussion symptoms following CBT-I and these improvements will be retained for at least 12 weeks. Additionally, we expect to observe a positive correlation between sleep and postconcussion symptom improvement. CONCLUSIONS Successful completion of this pilot study will allow for a better understanding of the treatment of insomnia and postconcussion symptoms in individuals following a concussion. TRIAL REGISTRATION ClinicalTrials.gov NCT04885205; https://clinicaltrials.gov/ct2/show/NCT04885205. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID) DERR1-10.2196/38608.
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Affiliation(s)
- Rebecca Ludwig
- Physical Therapy, Rehabilitation Science, and Athletic Training, University of Kansas Medical Center, Kansas City, KS, United States
| | - Michael Rippee
- Department of Neurology, University of Kansas Medical Center, Kansas City, KS, United States
| | - Linda J D'Silva
- Department of Physical Therapy and Rehabilitation Science, University of Kansas Medical Center, Kansas City, KS, United States
| | - Jeff Radel
- Department of Occupational Therapy and Therapeutic Science, University of Kansas Medical Center, Kansas City, KS, United States
| | - Aaron M Eakman
- Department of Occupational Therapy, Colorado State University, Fort Collins, CO, United States
| | - Jill Morris
- Department of Neurology, University of Kansas Medical Center, Kansas City, KS, United States
| | - Michelle Drerup
- Cleveland Clinic, Neurological Institute, Sleep Disorders Center, Cleveland, OH, United States
| | - Catherine Siengsukon
- Department of Physical Therapy and Rehabilitation Science, University of Kansas Medical Center, Kansas City, KS, United States
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9
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Sleep Disturbances Following Traumatic Brain Injury. CURRENT PHYSICAL MEDICINE AND REHABILITATION REPORTS 2022. [DOI: 10.1007/s40141-022-00351-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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10
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Treating sleep disorders following traumatic brain injury in adults: time for renewed effort? Sleep Med Rev 2022; 63:101631. [DOI: 10.1016/j.smrv.2022.101631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 03/29/2022] [Accepted: 03/29/2022] [Indexed: 11/21/2022]
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11
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Guedes VA, Lange RT, Lippa SM, Lai C, Greer K, Mithani S, Devoto C, A Edwards K, Wagner CL, Martin CA, Driscoll AE, Wright MM, Gillow KC, Baschenis SM, Brickell TA, French LM, Gill JM. Extracellular vesicle neurofilament light is elevated within the first 12-months following traumatic brain injury in a U.S military population. Sci Rep 2022; 12:4002. [PMID: 35256615 PMCID: PMC8901614 DOI: 10.1038/s41598-022-05772-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 06/14/2021] [Indexed: 12/19/2022] Open
Abstract
Traumatic brain injury (TBI) can be associated with long-term neurobehavioral symptoms. Here, we examined levels of neurofilament light chain (NfL) and glial fibrillary acidic protein (GFAP) in extracellular vesicles isolated from blood, and their relationship with TBI severity and neurobehavioral symptom reporting. Participants were 218 service members and veterans who sustained uncomplicated mild TBIs (mTBI, n = 107); complicated mild, moderate, or severe TBIs (smcTBI, n = 66); or Injured controls (IC, orthopedic injury without TBI, n = 45). Within one year after injury, but not after, NfL was higher in the smcTBI group than mTBI (p = 0.001, d = 0.66) and IC (p = 0.001, d = 0.35) groups, which remained after controlling for demographics and injury characteristics. NfL also discriminated the smcTBI group from IC (AUC:77.5%, p < 0.001) and mTBI (AUC:76.1%, p < 0.001) groups. No other group differences were observed for NfL or GFAP at either timepoint. NfL correlated with post-concussion symptoms (rs = - 0.38, p = 0.04) in the mTBI group, and with PTSD symptoms in mTBI (rs = - 0.43, p = 0.021) and smcTBI groups (rs = - 0.40, p = 0.024) within one year after injury, which was not confirmed in regression models. Our results suggest the potential of NfL, a protein previously linked to axonal damage, as a diagnostic biomarker that distinguishes TBI severity within the first year after injury.
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Affiliation(s)
- Vivian A Guedes
- National Institutes of Health, National Institute of Nursing Research, Bethesda, MD, 20814, USA
| | - Rael T Lange
- Traumatic Brain Injury Center of Excellence, Silver Spring, MD, USA
- National Intrepid Center of Excellence, Walter Reed National Military Medical Center, Bethesda, MD, USA
- General Dynamics Information Technology, Falls Church, VA, USA
- University of British Columbia, Vancouver, BC, Canada
| | - Sara M Lippa
- National Intrepid Center of Excellence, Walter Reed National Military Medical Center, Bethesda, MD, USA
| | - Chen Lai
- National Institutes of Health, National Institute of Nursing Research, Bethesda, MD, 20814, USA
| | - Kisha Greer
- National Institutes of Health, National Institute of Nursing Research, Bethesda, MD, 20814, USA
| | - Sara Mithani
- National Institutes of Health, National Institute of Nursing Research, Bethesda, MD, 20814, USA
| | - Christina Devoto
- National Institutes of Health, National Institute of Nursing Research, Bethesda, MD, 20814, USA
| | - Katie A Edwards
- National Institutes of Health, National Institute of Nursing Research, Bethesda, MD, 20814, USA
| | - Chelsea L Wagner
- National Institutes of Health, National Institute of Nursing Research, Bethesda, MD, 20814, USA
| | - Carina A Martin
- National Institutes of Health, National Institute of Nursing Research, Bethesda, MD, 20814, USA
| | - Angela E Driscoll
- Traumatic Brain Injury Center of Excellence, Silver Spring, MD, USA
- National Intrepid Center of Excellence, Walter Reed National Military Medical Center, Bethesda, MD, USA
| | - Megan M Wright
- Traumatic Brain Injury Center of Excellence, Silver Spring, MD, USA
- National Intrepid Center of Excellence, Walter Reed National Military Medical Center, Bethesda, MD, USA
- General Dynamics Information Technology, Falls Church, VA, USA
| | - Kelly C Gillow
- Traumatic Brain Injury Center of Excellence, Silver Spring, MD, USA
- National Intrepid Center of Excellence, Walter Reed National Military Medical Center, Bethesda, MD, USA
- General Dynamics Information Technology, Falls Church, VA, USA
| | - Samantha M Baschenis
- Traumatic Brain Injury Center of Excellence, Silver Spring, MD, USA
- National Intrepid Center of Excellence, Walter Reed National Military Medical Center, Bethesda, MD, USA
- General Dynamics Information Technology, Falls Church, VA, USA
| | - Tracey A Brickell
- Traumatic Brain Injury Center of Excellence, Silver Spring, MD, USA
- National Intrepid Center of Excellence, Walter Reed National Military Medical Center, Bethesda, MD, USA
- General Dynamics Information Technology, Falls Church, VA, USA
- University of British Columbia, Vancouver, BC, Canada
| | - Louis M French
- Traumatic Brain Injury Center of Excellence, Silver Spring, MD, USA
- National Intrepid Center of Excellence, Walter Reed National Military Medical Center, Bethesda, MD, USA
- Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | - Jessica M Gill
- National Institutes of Health, National Institute of Nursing Research, Bethesda, MD, 20814, USA.
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12
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Shahim P, Zetterberg H. Neurochemical Markers of Traumatic Brain Injury: Relevance to Acute Diagnostics, Disease Monitoring, and Neuropsychiatric Outcome Prediction. Biol Psychiatry 2022; 91:405-412. [PMID: 34857362 DOI: 10.1016/j.biopsych.2021.10.010] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 10/05/2021] [Accepted: 10/06/2021] [Indexed: 12/13/2022]
Abstract
Considerable advancements have been made in the quantification of biofluid-based biomarkers for traumatic brain injury (TBI), which provide a clinically accessible window to investigate disease mechanisms and progression. Methods with improved analytical sensitivity compared with standard immunoassays are increasingly used, and blood tests are being used in the diagnosis, monitoring, and outcome prediction of TBI. Most work to date has focused on acute TBI diagnostics, while the literature on biomarkers for long-term sequelae is relatively scarce. In this review, we give an update on the latest developments in biofluid-based biomarker research in TBI and discuss how acute and prolonged biomarker changes can be used to detect and quantify brain injury and predict clinical outcome and neuropsychiatric sequelae.
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Affiliation(s)
- Pashtun Shahim
- Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, the Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden; Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden; Rehabilitation Medicine Department, National Institutes of Health Clinical Center, Bethesda, Maryland.
| | - Henrik Zetterberg
- Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, the Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden; Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden; UK Dementia Research Institute at University College London, London, United Kingdom; Department of Neurodegenerative Disease, University College London Institute of Neurology, London, United Kingdom; Hong Kong Center for Neurodegenerative Diseases, Hong Kong, China.
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13
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The Bidirectional Link Between Sleep Disturbances and Traumatic Brain Injury Symptoms: A Role for Glymphatic Dysfunction? Biol Psychiatry 2022; 91:478-487. [PMID: 34481662 PMCID: PMC8758801 DOI: 10.1016/j.biopsych.2021.06.025] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 06/28/2021] [Accepted: 06/29/2021] [Indexed: 12/14/2022]
Abstract
Mild traumatic brain injury (mTBI), often referred to as concussion, is a major cause of morbidity and mortality worldwide. Sleep disturbances are common after mTBI. Moreover, subjects who develop subjective sleep complaints after mTBI also report more severe somatic, mental health, and cognitive impairment and take longer to recover from mTBI sequelae. Despite many previous studies addressing the role of sleep in post-mTBI morbidity, the mechanisms linking sleep to recovery after mTBI remain poorly understood. The glymphatic system is a brainwide network that supports fluid movement through the cerebral parenchyma and the clearance of interstitial solutes and wastes from the brain. Notably, the glymphatic system is active primarily during sleep. Clearance of cellular byproducts related to somatic, mental health, and neurodegenerative processes (e.g., amyloid-β and tau, among others) depends in part on intact glymphatic function, which becomes impaired after mTBI. In this viewpoint, we review the current knowledge regarding the association between sleep disturbances and post-mTBI symptoms. We also discuss the role of glymphatic dysfunction as a potential link between mTBI, sleep disruption, and posttraumatic morbidity. We outline a model where glymphatic dysfunction and sleep disruption caused by mTBI may have an additive effect on waste clearance, leading to cerebral dysfunction and impaired recovery. Finally, we review the novel techniques being developed to examine glymphatic function in humans and explore potential interventions to alter glymphatic exchange that may offer a novel therapeutic approach to those experiencing poor sleep and prolonged symptoms after mTBI.
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14
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Gottshall JL, Guedes VA, Pucci JU, Brooks D, Watson N, Sheth P, Gabriel A, Mithani S, Leete JJ, Lai C, Qu BX, Devoto C, Gill JM, Kenney K, Werner JK. Poor Sleep Quality is Linked to Elevated Extracellular Vesicle-Associated Inflammatory Cytokines in Warfighters With Chronic Mild Traumatic Brain Injuries. Front Pharmacol 2022; 12:762077. [PMID: 35153739 PMCID: PMC8829004 DOI: 10.3389/fphar.2021.762077] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Accepted: 12/30/2021] [Indexed: 01/01/2023] Open
Abstract
Background: Elevations of inflammatory cytokine levels occur immediately after mild traumatic brain injury (mTBI) and can persist for years. These elevations have been associated with neuropsychological outcomes, including depression and PTSD symptoms. Sleep disorders, another common sequelae of mTBI, are independently associated with inflammation in otherwise healthy individuals. However, whether sleep and inflammation are linked in chronic mTBI has not been reported. Methods: A retrospective cross-sectional cohort of warfighters was used to investigate the hypothesis that inflammation may be linked to sleep quality in chronic mTBI. Clinical history, peripheral blood samples, and sleep quality scores were collected from 182 warfighters (n = 138 mTBI; n = 44 controls) during enrollment in the Chronic Effects of Neurotrauma Consortium study. Biomarkers of inflammation (IL-6, IL-10, TNFα cytokines) from plasma and plasma-derived extracellular vesicles (EVs) were quantified using single molecule array. Relationships between sleep quality and cytokine levels were assessed, controlling for age, sex, and BMI. Using clinical cutoff scores for sleep quality, mTBI patients were then divided into “good” and “poor” sleepers and cytokine levels compared between groups. Results: In mTBI participants, sleep quality was significantly associated with EV levels of IL-10 [ß (SE) = 0.11 (0.04), p = 0.01] and TNFα [ß (SE) = 0.07 (0.03), p < 0.01]. When divided according to “good” versus “poor” sleepers, those reporting poor sleep had significantly elevated EV IL-10 compared to those reporting good sleep [ß (SE) = 0.12 (0.04), p < 0.01]. Plasma-derived associations were not significant. No associations were found between sleep quality and cytokine levels in controls. Conclusion: These results suggest a significant relationship between sleep quality and chronic inflammation in mTBI patients. Clinically, mTBI patients with a high likelihood of sleep disorders demonstrate elevated levels of inflammatory cytokines. Signal from EVs, though smaller in magnitude, may have stronger clinical associations than from plasma. Sleep-focused interventions may also serve to regulate chronic inflammatory processes in these patients. Larger prospective studies are needed to investigate the mechanisms and therapeutic implications of the likely bi-directional relationship between sleep and inflammation following mTBI.
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Affiliation(s)
- Jackie L. Gottshall
- Center for Neuroscience and Regenerative Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
- *Correspondence: Jackie L. Gottshall, ; J. Kent Werner,
| | - Vivian A. Guedes
- Center for Neuroscience and Regenerative Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
- National Institute of Nursing Research, National Institutes of Health, Bethesda, MD, United States
| | - Josephine U. Pucci
- Department of Neurology, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
- F. Edward Hebert School of Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
| | - Daniel Brooks
- Walter Reed National Military Medical Center, Bethesda, MD, United States
| | - Nora Watson
- Walter Reed National Military Medical Center, Bethesda, MD, United States
| | - Phorum Sheth
- Department of Neurology, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
| | - Ainslee Gabriel
- Department of Neurology, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
- United States Naval Academy, Annapolis, MD, United States
| | - Sara Mithani
- National Institute of Nursing Research, National Institutes of Health, Bethesda, MD, United States
| | - Jacqueline J. Leete
- National Institute of Nursing Research, National Institutes of Health, Bethesda, MD, United States
| | - Chen Lai
- National Institute of Nursing Research, National Institutes of Health, Bethesda, MD, United States
| | - Bao-Xi Qu
- National Institute of Nursing Research, National Institutes of Health, Bethesda, MD, United States
| | - Christina Devoto
- National Institute of Nursing Research, National Institutes of Health, Bethesda, MD, United States
| | - Jessica M. Gill
- National Institute of Nursing Research, National Institutes of Health, Bethesda, MD, United States
| | - Kimbra Kenney
- Department of Neurology, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
- National Intrepid Center of Excellence, Walter Reed National Military Medical Center, Bethesda, MD, United States
| | - J. Kent Werner
- Center for Neuroscience and Regenerative Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
- Department of Neurology, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
- *Correspondence: Jackie L. Gottshall, ; J. Kent Werner,
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15
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Wickwire EM, Albrecht JS, Capaldi VF, Jain SO, Gardner RC, Werner JK, Mukherjee P, McKeon AB, Smith MT, Giacino JT, Nelson LD, Williams SG, Collen J, Sun X, Schnyer DM, Markowitz AJ, Manley GT, Krystal AD. Trajectories of Insomnia in Adults After Traumatic Brain Injury. JAMA Netw Open 2022; 5:e2145310. [PMID: 35080600 PMCID: PMC8792888 DOI: 10.1001/jamanetworkopen.2021.45310] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
IMPORTANCE Insomnia is common after traumatic brain injury (TBI) and contributes to morbidity and long-term sequelae. OBJECTIVE To identify unique trajectories of insomnia in the 12 months after TBI. DESIGN, SETTING, AND PARTICIPANTS In this prospective cohort study, latent class mixed models (LCMMs) were used to model insomnia trajectories over time and to classify participants into distinct profile groups. Data from the Transforming Research and Clinical Knowledge in Traumatic Brain Injury (TRACK-TBI) study, a longitudinal, multisite, observational study, were uploaded to the Federal Interagency Traumatic Brain Injury Repository (FITBIR) database. Participants were enrolled at 1 of 18 participating level I trauma centers and enrolled within 24 hours of TBI injury. Additional data were obtained directly from the TRACK-TBI investigators that will be uploaded to FITBIR in the future. Data were collected from February 26, 2014, to August 8, 2018, and analyzed from July 1, 2020, to November 15, 2021. EXPOSURES Traumatic brain injury. MAIN OUTCOMES AND MEASURES Insomnia Severity Index assessed serially at 2 weeks and 3, 6, and 12 months thereafter. RESULTS The final sample included 2022 participants (1377 [68.1%] men; mean [SD] age, 40.1 [17.2] years) from the FITBIR database and the TRACK-TBI study. The data were best fit by a 5-class LCMM. Of these participants, 1245 (61.6%) reported persistent mild insomnia symptoms (class 1); 627 (31.0%) initially reported mild insomnia symptoms that resolved over time (class 2); 91 (4.5%) reported persistent severe insomnia symptoms (class 3); 44 (2.2%) initially reported severe insomnia symptoms that resolved by 12 months (class 4); and 15 (0.7%) initially reported no insomnia symptoms but had severe symptoms by 12 months (class 5). In a multinomial logistic regression model, several factors significantly associated with insomnia trajectory class membership were identified, including female sex (odds ratio [OR], 1.65 [95% CI, 1.02-2.66]), Black race (OR, 2.36 [95% CI, 1.39-4.01]), history of psychiatric illness (OR, 2.21 [95% CI, 1.35-3.60]), and findings consistent with intracranial injury on computed tomography (OR, 0.36 [95% CI, 0.20-0.65]) when comparing class 3 with class 1. CONCLUSIONS AND RELEVANCE These results suggest important heterogeneity in the course of insomnia after TBI in adults. More work is needed to identify outcomes associated with these insomnia trajectory class subgroups and to identify optimal subgroup-specific treatment approaches.
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Affiliation(s)
- Emerson M. Wickwire
- Department of Psychiatry, University of Maryland School of Medicine, Baltimore
- Sleep Disorders Center, Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of Maryland School of Medicine, Baltimore
| | - Jennifer S. Albrecht
- Department of Epidemiology and Public Health, University of Maryland School of Medicine, Baltimore
| | - Vincent F. Capaldi
- Center for Military Psychiatry and Neuroscience, Walter Reed Army Institute of Research, Silver Spring, Maryland
- Department of Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - Sonia O. Jain
- Biostatistics Research Center, Herbert Wertheim School of Public Health and Human Longevity Science, University of California, San Diego
| | | | - J. Kent Werner
- Department of Neurology, Uniformed Services University of the Health Sciences, Bethesda, Maryland
- Department of Neurology, The Johns Hopkins University, Baltimore, Maryland
| | - Pratik Mukherjee
- Department of Radiology, School of Medicine, University of California, San Francisco
| | - Ashlee B. McKeon
- Center for Military Psychiatry and Neuroscience, Walter Reed Army Institute of Research, Silver Spring, Maryland
| | - Michael T. Smith
- Division of Behavioral Medicine, Department of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Joseph T. Giacino
- Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, Massachusetts
- Spaulding Rehabilitation Hospital, Charlestown, Massachusetts
| | - Lindsay D. Nelson
- Department of Neurosurgery, Medical College of Wisconsin, Milwaukee
- Department of Neurology, Medical College of Wisconsin, Milwaukee
| | - Scott G. Williams
- Department of Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland
- Department of Medicine, Fort Belvoir Community Hospital, Fort Belvoir, Virginia
- Department of Psychiatry, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - Jacob Collen
- Department of Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland
- Sleep Disorders Center, Department of Medicine, Walter Reed National Military Medical Center, Bethesda, Maryland
| | - Xiaoying Sun
- Biostatistics Research Center, Herbert Wertheim School of Public Health and Human Longevity Science, University of California, San Diego
| | | | - Amy J. Markowitz
- Department of Epidemiology and Biostatistics, School of Medicine, University of California, San Francisco
| | - Geoffrey T. Manley
- Brain and Spinal Injury Center, University of California, San Francisco
- Department of Neurosurgery, University of California, San Francisco
| | - Andrew D. Krystal
- Department of Psychiatry and Behavioral Sciences, University of California, San Francisco
- Weill Institute for Neurosciences, University of California, San Francisco
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Wafford KA. Aberrant waste disposal in neurodegeneration: why improved sleep could be the solution. CEREBRAL CIRCULATION - COGNITION AND BEHAVIOR 2021; 2:100025. [PMID: 36324713 PMCID: PMC9616228 DOI: 10.1016/j.cccb.2021.100025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 08/11/2021] [Accepted: 08/12/2021] [Indexed: 06/16/2023]
Abstract
Sleep takes up a large percentage of our lives and the full functions of this state are still not understood. However, over the last 10 years a new and important function has emerged as a mediator of brain clearance. Removal of toxic metabolites and proteins from the brain parenchyma generated during waking activity and high levels of synaptic processing is critical to normal brain function and only enabled during deep sleep. Understanding of this process is revealing how impaired sleep contributes an important and likely causative role in the accumulation and aggregation of aberrant proteins such as β-amyloid and phosphorylated tau, as well as inflammation and neuronal damage. We are also beginning to understand how brain slow-wave activity interacts with vascular function allowing the flow of CSF and interstitial fluid to drain into the body's lymphatic system. New methodology is enabling visualization of this process in both animals and humans and is revealing how these processes break down during ageing and disease. With this understanding we can begin to envisage novel therapeutic approaches to the treatment of neurodegeneration, and how reversing sleep impairment in the correct manner may provide a way to slow these processes and improve brain function.
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Key Words
- AQP4, aquaporin-4
- Alzheimer's disease
- Amyloid
- Aquaporin-4
- Astrocyte
- Aβ, beta amyloid
- BOLD, blood-oxygen level dependent imaging
- CAA, cerebral amyloid angiopathy
- CSF, Cerebrospinal fluid
- Clearance
- EEG, electroencephalography
- EMG, electromyography
- Glymphatic
- ISF, interstitial fluid
- MCI, mild cognitive impairment
- MRI, magnetic resonance imaging
- NOS, nitric oxide synthase
- NREM, non-rapid eye movement
- OSA, obstructive sleep apnea
- PET, positron emission tomography
- REM, rapid-eye movement
- SWA, slow wave activity
- SWS, slow-wave sleep
- Slow-wave sleep
- iNPH, idiopathic normal pressure hydrocephalus
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