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González-Arias C, Sánchez-Ruiz A, Esparza J, Sánchez-Puelles C, Arancibia L, Ramírez-Franco J, Gobbo D, Kirchhoff F, Perea G. Dysfunctional serotonergic neuron-astrocyte signaling in depressive-like states. Mol Psychiatry 2023; 28:3856-3873. [PMID: 37773446 PMCID: PMC10730416 DOI: 10.1038/s41380-023-02269-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 09/11/2023] [Accepted: 09/12/2023] [Indexed: 10/01/2023]
Abstract
Astrocytes play crucial roles in brain homeostasis and are regulatory elements of neuronal and synaptic physiology. Astrocytic alterations have been found in Major Depressive Disorder (MDD) patients; however, the consequences of astrocyte Ca2+ signaling in MDD are poorly understood. Here, we found that corticosterone-treated juvenile mice (Cort-mice) showed altered astrocytic Ca2+ dynamics in mPFC both in resting conditions and during social interactions, in line with altered mice behavior. Additionally, Cort-mice displayed reduced serotonin (5-HT)-mediated Ca2+ signaling in mPFC astrocytes, and aberrant 5-HT-driven synaptic plasticity in layer 2/3 mPFC neurons. Downregulation of astrocyte Ca2+ signaling in naïve animals mimicked the synaptic deficits found in Cort-mice. Remarkably, boosting astrocyte Ca2+ signaling with Gq-DREADDS restored to the control levels mood and cognitive abilities in Cort-mice. This study highlights the important role of astrocyte Ca2+ signaling for homeostatic control of brain circuits and behavior, but also reveals its potential therapeutic value for depressive-like states.
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Affiliation(s)
- Candela González-Arias
- Cajal Institute, CSIC, 28002, Madrid, Spain
- PhD Program in Neuroscience, Autonoma de Madrid University-Cajal Institute, Madrid, 28029, Spain
| | - Andrea Sánchez-Ruiz
- Cajal Institute, CSIC, 28002, Madrid, Spain
- PhD Program in Neuroscience, Autonoma de Madrid University-Cajal Institute, Madrid, 28029, Spain
| | | | | | | | - Jorge Ramírez-Franco
- Institut de Neurosciences de la Timone, Aix-Marseille Université (AMU) & CNRS, UMR7289, 13005, Marseille, France
| | - Davide Gobbo
- Molecular Physiology, Center for Integrative Physiology and Molecular Medicine, University of Saarland, 66421, Homburg, Germany
| | - Frank Kirchhoff
- Molecular Physiology, Center for Integrative Physiology and Molecular Medicine, University of Saarland, 66421, Homburg, Germany
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2
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Craine TJ, Race NS, Kutash LA, Iouchmanov AL, Moschonas EH, O'Neil DA, Sunleaf CR, Patel A, Patel N, Grobengeiser KO, Marshall IP, Magdelinic TN, Cheng JP, Bondi CO. Milnacipran Ameliorates Executive Function Impairments following Frontal Lobe Traumatic Brain Injury in Male Rats: A Multimodal Behavioral Assessment. J Neurotrauma 2023; 40:112-124. [PMID: 35979888 PMCID: PMC10024072 DOI: 10.1089/neu.2022.0289] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Traumatic brain injuries (TBIs) affect more than 10 million patients annually worldwide, causing long-term cognitive and psychosocial impairments. Frontal lobe TBIs commonly impair executive function, but laboratory models typically focus primarily on spatial learning and declarative memory. We implemented a multi-modal approach for clinically relevant cognitive-behavioral assessments of frontal lobe function in rats with TBI and assessed treatment benefits of the serotonin-norepinephrine reuptake inhibitor, milnacipran (MLN). Two attentional set-shifting tasks (AST) evaluated cognitive flexibility via the rats' ability to locate food-based rewards by learning, unlearning, and relearning sequential rule sets with shifting salient cues. Adult male rats reached stable pre-injury operant AST (oAST) performance in 3-4 weeks, then were isoflurane-anesthetized, subjected to a unilateral frontal lobe controlled cortical impact (2.4 mm depth, 4 m/sec velocity) or Sham injury, and randomized to treatment conditions. Milnacipran (30 mg/kg/day) or vehicle (VEH; 10% ethanol in saline) was administered intraperitoneally via implanted osmotic minipumps (continuous infusions post-surgery, 60 μL/h). Rats had a 10-day recovery post-TBI/Sham before performing light/location-based oAST for 10 days and, subsequently, odor/media-based digging AST (dAST) on the last test day (26-27 days post-injury) before sacrifice. Both AST tests revealed significant deficits in TBI+VEH rats, seen as elevated total trials and errors (p < 0.05), which generally normalized in MLN-treated rats (p < 0.05). This first simultaneous dual AST assessment demonstrates oAST and dAST are sufficiently sensitive and robust to detect subtle attentional and cognitive flexibility executive impairments after frontal lobe TBI in rats. Chronic MLN administration shows promise for attenuation of post-TBI executive function deficits, thus meriting further investigation.
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Affiliation(s)
- Timothy J. Craine
- Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- University of Bath, Claverton Down, Bath, United Kingdom
| | - Nicholas S. Race
- Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Association of Academic Physiatrists Rehabilitation Medicine Scientist Training Program, Owings Mills, Maryland, USA
| | - Lindsay A. Kutash
- Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Anna L. Iouchmanov
- Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Eleni H. Moschonas
- Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Center for Neuroscience, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Darik A. O'Neil
- Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Carlson R. Sunleaf
- Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Aarti Patel
- Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Nima Patel
- Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Katherine O. Grobengeiser
- Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Ian P. Marshall
- Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Taylor N. Magdelinic
- Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Jeffrey P. Cheng
- Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Corina O. Bondi
- Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Center for Neuroscience, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Department of Neurobiology, and University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Children's Neuroscience Institute, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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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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Nolan AL, Sohal VS, Rosi S. Selective Inhibitory Circuit Dysfunction after Chronic Frontal Lobe Contusion. J Neurosci 2022; 42:5361-5372. [PMID: 35610049 PMCID: PMC9270915 DOI: 10.1523/jneurosci.0097-22.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 05/12/2022] [Accepted: 05/17/2022] [Indexed: 01/09/2023] Open
Abstract
Traumatic brain injury (TBI) is a leading cause of neurologic disability; the most common deficits affect prefrontal cortex-dependent functions such as attention, working memory, social behavior, and mental flexibility. Despite this prevalence, little is known about the pathophysiology that develops in frontal cortical microcircuits after TBI. We investigated whether alterations in subtype-specific inhibitory circuits are associated with cognitive inflexibility in a mouse model of frontal lobe contusion in both male and female mice that recapitulates aberrant mental flexibility as measured by deficits in rule reversal learning. Using patch-clamp recordings and optogenetic stimulation, we identified selective vulnerability in the non-fast-spiking and somatostatin-expressing (SOM+) subtypes of inhibitory neurons in layer V of the orbitofrontal cortex 2 months after injury. These subtypes exhibited reduced intrinsic excitability and a decrease in their synaptic output onto pyramidal neurons, respectively. By contrast, the fast-spiking and parvalbumin-expressing interneurons did not show changes in intrinsic excitability or synaptic output, respectively. Impairments in non-fast-spiking/SOM+ inhibitory circuit function were also associated with network hyperexcitability. These findings provide evidence for selective disruptions within specific inhibitory microcircuits that may guide the development of novel therapeutics for TBI.SIGNIFICANCE STATEMENT TBI frequently leads to chronic deficits in cognitive and behavioral functions that involve the prefrontal cortex, yet the maladaptive changes that occur in these cortical microcircuits are unknown. Our data indicate that alterations in subtype-specific inhibitory circuits, specifically vulnerability in the non-fast-spiking/somatostatin-expressing interneurons, occurs in the orbitofrontal cortex in the context of chronic deficits in reversal learning. These neurons exhibit reduced excitability and synaptic output, whereas the other prominent inhibitory population in layer V, the fast-spiking/parvalbumin-expressing interneurons as well as pyramidal neurons are not affected. Our work offers mechanistic insight into the subtype-specific function of neurons that may contribute to mental inflexibility after TBI.
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Affiliation(s)
- Amber L Nolan
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, Washington 98104
- Departments of Pathology
| | | | - Susanna Rosi
- Physical Therapy and Rehabilitation Science, University of California, San Francisco, San Francisco, California 94143
- Brain and Spinal Injury Center, University of California, San Francisco, San Francisco, California 94143
- Department of Neurological Surgery, University of California, San Francisco, San Francisco, California 94143
- Weill Institute for Neuroscience, University of California, San Francisco, San Francisco, California 94143
- Kavli Institute of Fundamental Neuroscience, University of California, San Francisco, San Francisco, California 94143
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5
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Chou A, Torres-Espín A, Huie JR, Krukowski K, Lee S, Nolan A, Guglielmetti C, Hawkins BE, Chaumeil MM, Manley GT, Beattie MS, Bresnahan JC, Martone ME, Grethe JS, Rosi S, Ferguson AR. Empowering Data Sharing and Analytics through the Open Data Commons for Traumatic Brain Injury Research. Neurotrauma Rep 2022; 3:139-157. [PMID: 35403104 PMCID: PMC8985540 DOI: 10.1089/neur.2021.0061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Traumatic brain injury (TBI) is a major public health problem. Despite considerable research deciphering injury pathophysiology, precision therapies remain elusive. Here, we present large-scale data sharing and machine intelligence approaches to leverage TBI complexity. The Open Data Commons for TBI (ODC-TBI) is a community-centered repository emphasizing Findable, Accessible, Interoperable, and Reusable data sharing and publication with persistent identifiers. Importantly, the ODC-TBI implements data sharing of individual subject data, enabling pooling for high-sample-size, feature-rich data sets for machine learning analytics. We demonstrate pooled ODC-TBI data analyses, starting with descriptive analytics of subject-level data from 11 previously published articles (N = 1250 subjects) representing six distinct pre-clinical TBI models. Second, we perform unsupervised machine learning on multi-cohort data to identify persistent inflammatory patterns across different studies, improving experimental sensitivity for pro- versus anti-inflammation effects. As funders and journals increasingly mandate open data practices, ODC-TBI will create new scientific opportunities for researchers and facilitate multi-data-set, multi-dimensional analytics toward effective translation.
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Affiliation(s)
- Austin Chou
- Brain and Spinal Injury Center, University of California San Francisco, San Francisco, California, USA
- Department of Neurological Surgery, University of California San Francisco, San Francisco, California, USA
| | - Abel Torres-Espín
- Brain and Spinal Injury Center, University of California San Francisco, San Francisco, California, USA
- Department of Neurological Surgery, University of California San Francisco, San Francisco, California, USA
| | - J Russell Huie
- Brain and Spinal Injury Center, University of California San Francisco, San Francisco, California, USA
- Department of Neurological Surgery, University of California San Francisco, San Francisco, California, USA
- San Francisco Veterans Affairs Healthcare System, San Francisco, California, USA
| | - Karen Krukowski
- Brain and Spinal Injury Center, University of California San Francisco, San Francisco, California, USA
- Department of Physical Therapy and Rehabilitation Science, University of California San Francisco, San Francisco, California, USA
| | - Sangmi Lee
- Brain and Spinal Injury Center, University of California San Francisco, San Francisco, California, USA
- Department of Neurological Surgery, University of California San Francisco, San Francisco, California, USA
| | - Amber Nolan
- Brain and Spinal Injury Center, University of California San Francisco, San Francisco, California, USA
- Department of Physical Therapy and Rehabilitation Science, University of California San Francisco, San Francisco, California, USA
| | - Caroline Guglielmetti
- Department of Physical Therapy and Rehabilitation Science, University of California San Francisco, San Francisco, California, USA
- Department of Radiology & Biomedical Imaging, University of California San Francisco, San Francisco, California, USA
| | - Bridget E Hawkins
- Department of Anesthesiology, University of Texas Medical Branch at Galveston, Galveston, Texas, USA
- Moody Project for Traumatic Brain Injury Research, University of Texas Medical Branch at Galveston, Galveston, Texas, USA
| | - Myriam M Chaumeil
- Department of Physical Therapy and Rehabilitation Science, University of California San Francisco, San Francisco, California, USA
- Department of Radiology & Biomedical Imaging, University of California San Francisco, San Francisco, California, USA
| | - Geoffrey T Manley
- Brain and Spinal Injury Center, University of California San Francisco, San Francisco, California, USA
- Department of Neurological Surgery, University of California San Francisco, San Francisco, California, USA
| | - Michael S Beattie
- Brain and Spinal Injury Center, University of California San Francisco, San Francisco, California, USA
- Department of Neurological Surgery, University of California San Francisco, San Francisco, California, USA
- San Francisco Veterans Affairs Healthcare System, San Francisco, California, USA
- Weill Institute for Neuroscience, University of California San Francisco, San Francisco, California, USA
| | - Jacqueline C Bresnahan
- Brain and Spinal Injury Center, University of California San Francisco, San Francisco, California, USA
- Department of Neurological Surgery, University of California San Francisco, San Francisco, California, USA
- Weill Institute for Neuroscience, University of California San Francisco, San Francisco, California, USA
| | - Maryann E Martone
- Department of Neuroscience, University of California San Diego, San Diego, California, USA
| | - Jeffrey S Grethe
- Department of Neuroscience, University of California San Diego, San Diego, California, USA
| | - Susanna Rosi
- Brain and Spinal Injury Center, University of California San Francisco, San Francisco, California, USA
- Department of Neurological Surgery, University of California San Francisco, San Francisco, California, USA
- Department of Physical Therapy and Rehabilitation Science, University of California San Francisco, San Francisco, California, USA
- Weill Institute for Neuroscience, University of California San Francisco, San Francisco, California, USA
- Kavli Institute of Fundamental Neuroscience, University of California San Francisco, San Francisco, California, USA
| | - Adam R Ferguson
- Brain and Spinal Injury Center, University of California San Francisco, San Francisco, California, USA
- Department of Neurological Surgery, University of California San Francisco, San Francisco, California, USA
- San Francisco Veterans Affairs Healthcare System, San Francisco, California, USA
- Weill Institute for Neuroscience, University of California San Francisco, San Francisco, California, USA
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6
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Hones VI, Mizumori SJY. Response Flexibility: The Role of the Lateral Habenula. Front Behav Neurosci 2022; 16:852235. [PMID: 35444521 PMCID: PMC9014270 DOI: 10.3389/fnbeh.2022.852235] [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: 01/11/2022] [Accepted: 03/01/2022] [Indexed: 01/13/2023] Open
Abstract
The ability to make appropriate decisions that result in an optimal outcome is critical for survival. This process involves assessing the environment as well as integrating prior knowledge about the environment with information about one’s current internal state. There are many neural structures that play critical roles in mediating these processes, but it is not yet known how such information coalesces to influence behavioral output. The lateral habenula (LHb) has often been cited as a structure critical for adaptive and flexible responding when environmental contexts and internal state changes. A challenge, however, has been understanding how LHb promotes response flexibility. In this review, we hypothesize that the LHb enables flexible responding following the integration of context memory and internal state information by signaling downstream brainstem structures known to drive hippocampal theta. In this way, animals respond more flexibly in a task situation not because the LHb selects a particular action, but rather because LHb enhances a hippocampal neural state that is often associated with greater attention, arousal, and exploration. In freely navigating animals, these are essential conditions that are needed to discover and implement appropriate alternative choices and behaviors. As a corollary to our hypothesis, we describe short- and intermediate-term functions of the LHb. Finally, we discuss the effects on the behavior of LHb dysfunction in short- and intermediate-timescales, and then suggest that new therapies may act on the LHb to alleviate the behavioral impairments following long-term LHb disruption.
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Affiliation(s)
- Victoria I. Hones
- Department of Psychology, University of Washington, Seattle, WA, United States
| | - Sheri J. Y. Mizumori
- Department of Psychology, University of Washington, Seattle, WA, United States
- Graduate Program in Neuroscience, University of Washington, Seattle, WA, United States
- *Correspondence: Sheri J. Y. Mizumori
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7
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Smith DH, Kochanek PM, Rosi S, Meyer R, Ferland-Beckham C, Prager EM, Ahlers ST, Crawford F. Roadmap for Advancing Pre-Clinical Science in Traumatic Brain Injury. J Neurotrauma 2021; 38:3204-3221. [PMID: 34210174 PMCID: PMC8820284 DOI: 10.1089/neu.2021.0094] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Pre-clinical models of disease have long played important roles in the advancement of new treatments. However, in traumatic brain injury (TBI), despite the availability of numerous model systems, translation from bench to bedside remains elusive. Integrating clinical relevance into pre-clinical model development is a critical step toward advancing therapies for TBI patients across the spectrum of injury severity. Pre-clinical models include in vivo and ex vivo animal work-both small and large-and in vitro modeling. The wide range of pre-clinical models reflect substantial attempts to replicate multiple aspects of TBI sequelae in humans. Although these models reveal multiple putative mechanisms underlying TBI pathophysiology, failures to translate these findings into successful clinical trials call into question the clinical relevance and applicability of the models. Here, we address the promises and pitfalls of pre-clinical models with the goal of evolving frameworks that will advance translational TBI research across models, injury types, and the heterogenous etiology of pathology.
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Affiliation(s)
- Douglas H Smith
- Center for Brain Injury and Repair, Department of Neurosurgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Patrick M Kochanek
- Department of Critical Care Medicine; Safar Center for Resuscitation Research, University of Pittsburgh School of Medicine and Children's Hospital of Pittsburgh of UPMC, Rangos Research Center, Pittsburgh, Pennsylvania, USA
| | - Susanna Rosi
- Departments of Physical Therapy Rehabilitation Science, Neurological Surgery, Weill Institute for Neuroscience, University of California San Francisco, Zuckerberg San Francisco General Hospital, San Francisco, California, USA
| | - Retsina Meyer
- Cohen Veterans Bioscience, New York, New York, USA.,Delix Therapeutics, Inc, Boston, Massachusetts, USA
| | | | | | - Stephen T Ahlers
- Department of Neurotrauma, Operational and Undersea Medicine Directorate Naval Medical Research Center, Silver Spring, Maryland, USA
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Rodrigues PA, Zaninotto AL, Ventresca HM, Neville IS, Hayashi CY, Brunoni AR, de Paula Guirado VM, Teixeira MJ, Paiva WS. The Effects of Repetitive Transcranial Magnetic Stimulation on Anxiety in Patients With Moderate to Severe Traumatic Brain Injury: A Post-hoc Analysis of a Randomized Clinical Trial. Front Neurol 2020; 11:564940. [PMID: 33343483 PMCID: PMC7746857 DOI: 10.3389/fneur.2020.564940] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Accepted: 10/30/2020] [Indexed: 12/18/2022] Open
Abstract
Background: Traumatic brain injury (TBI) is one of the leading causes of neuropsychiatric disorders in young adults. Repetitive Transcranial Magnetic Stimulation (rTMS) has been shown to improve psychiatric symptoms in other neurologic disorders, such as focal epilepsy, Parkinson's disease, and fibromyalgia. However, the efficacy of rTMS as a treatment for anxiety in persons with TBI has never been investigated. This exploratory post-hoc analyzes the effects of rTMS on anxiety, depression and executive function in participants with moderate to severe chronic TBI. Methods: Thirty-six participants with moderate to severe TBI and anxiety symptoms were randomly assigned to an active or sham rTMS condition in a 1:1 ratio. A 10-session protocol was used with 10-Hz rTMS stimulation over the left dorsolateral prefrontal cortex (DLPFC) for 20 min each session, a total of 2,000 pulses were applied at each daily session (40 stimuli/train, 50 trains). Anxiety symptoms; depression and executive function were analyzed at baseline, after the last rTMS session, and 90 days post intervention. Results: Twenty-seven participants completed the entire protocol and were included in the post-hoc analysis. Statistical analysis showed no interaction of group and time (p > 0.05) on anxiety scores. Both groups improved depressive and executive functions over time, without time and group interaction (p s < 0.05). No adverse effects were reported in either intervention group. Conclusion: rTMS did not improve anxiety symptoms following high frequency rTMS in persons with moderate to severe TBI. Clinical Trial Registration: www.ClinicalTrials.gov, identifier: NCT02167971.
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Affiliation(s)
| | - Ana Luiza Zaninotto
- Department of Neurology, University of São Paulo, São Paulo, Brazil.,Speech and Feeding Disorders Lab, Massachusetts General Hospital Institute of Health Professions (MGHIHP), Boston, MA, United States
| | - Hayden M Ventresca
- Speech and Feeding Disorders Lab, Massachusetts General Hospital Institute of Health Professions (MGHIHP), Boston, MA, United States
| | | | | | - Andre R Brunoni
- Laboratory of Neurosciences (LIM-27), Department and Institute of Psychiatry, Faculdade de Medicina da Univerdade de São Paulo, Instituto Nacional de Biomarcadores em Neuropsiquiatria (INBioN), São Paulo, Brazil.,Department of Internal Medicine, Faculdade de Medicina da Universidade de São Paulo & Hospital Universitário, Universidade de São Paulo, São Paulo, Brazil
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9
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Vu PA, McNamara EH, Liu J, Tucker LB, Fu AH, McCabe JT. Behavioral responses following repeated bilateral frontal region closed head impacts and fear conditioning in male and female mice. Brain Res 2020; 1750:147147. [PMID: 33091394 DOI: 10.1016/j.brainres.2020.147147] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 09/30/2020] [Accepted: 10/01/2020] [Indexed: 02/01/2023]
Abstract
The frontal lobes are among the most vulnerable sites in traumatic brain injuries. In the current study, a balanced 2 × 2 × 2 design (n = 18 mice/group), female and male C57Bl/6J mice received repeated bilateral frontal concussive brain injury (frCBI) and underwent fear conditioning (FC) to assess how injured mice respond to adverse conditions. Shocks received during FC impacted behavior on all subsequent tests except the tail suspension test. FC resulted in more freezing behavior in all mice that received foot shocks when evaluated in subsequent context and cue tests and induced hypoactivity in the open field (OF) and elevated zero maze (EZM). Mice that sustained frCBI learned the FC association between tone and shock. Injured mice froze less than sham controls during context and cue tests, which could indicate memory impairment, but could also suggest that frCBI resulted in hyperactivity that overrode the rodent's natural freezing response to threat, as injured mice were also more active in the OF and EZM. There were notable sex differences, where female mice exhibited more freezing behavior than male mice during FC context and cue tests. The findings suggest frCBI impaired, but did not eliminate, FC retention and resulted in an overall increase in general activity. The injury was characterized pathologically by increased inflammation (CD11b staining) in cortical regions underlying the injury site and in the optic tracts. The performance of male and female mice after injury suggested the complexity of possible sex differences for neuropsychiatric symptoms.
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Affiliation(s)
- Patricia A Vu
- Department of Anatomy, Physiology & Genetics, F.E. Hébert School of Medicine, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD, United States; Graduate Program in Neuroscience, F.E. Hébert School of Medicine, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD, United States
| | - Eileen H McNamara
- Department of Anatomy, Physiology & Genetics, F.E. Hébert School of Medicine, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD, United States; Graduate Program in Neuroscience, F.E. Hébert School of Medicine, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD, United States
| | - Jiong Liu
- Department of Anatomy, Physiology & Genetics, F.E. Hébert School of Medicine, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD, United States
| | - Laura B Tucker
- Department of Anatomy, Physiology & Genetics, F.E. Hébert School of Medicine, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD, United States; Pre-Clinical Studies Core, Center for Neuroscience and Regenerative Medicine, F.E. Hébert School of Medicine, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD, United States
| | - Amanda H Fu
- Department of Anatomy, Physiology & Genetics, F.E. Hébert School of Medicine, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD, United States; Pre-Clinical Studies Core, Center for Neuroscience and Regenerative Medicine, F.E. Hébert School of Medicine, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD, United States
| | - Joseph T McCabe
- Department of Anatomy, Physiology & Genetics, F.E. Hébert School of Medicine, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD, United States; Graduate Program in Neuroscience, F.E. Hébert School of Medicine, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD, United States; Pre-Clinical Studies Core, Center for Neuroscience and Regenerative Medicine, F.E. Hébert School of Medicine, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD, United States.
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10
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Zhang Y, Shi Q, Li X, Xia C. Fasciculation and Elongation Protein Zeta-1 Expression in Reactive Astrocytes in a Rat Model of Frontal Lobe Injury. J Neuropathol Exp Neurol 2020; 79:194-208. [PMID: 31774489 DOI: 10.1093/jnen/nlz113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 06/05/2019] [Indexed: 11/12/2022] Open
Abstract
There are reports that depression induced by frontal lobe injury (FLI) has a devastating effect on human mental health. We previously reported that fasciculation and elongation protein zeta-1 (FEZ1) was essential for astrocytic protection of dopamine neurons. Studies of glutamate-glutamine cycle in mental illness have been reported, whereas not from the perspective of astrocytes. This study was designed to investigate the roles of astrocytic FEZ1 and glutamate-glutamine cycle after FLI. A model of FLI was established by inserting a blade into the right frontal lobe of rats. Behavioral tests were used to observe the behavioral changes of FLI rats. Neuropathologic examinations, including immunohistochemistry, were conducted. Behavioral tests showed that FLI decreased exploratory activity. Western blot analysis revealed that the expression of astroglial proteins overall decreased in the initial injury stage, as well as FEZ1. Immunohistochemistry showed a shift of FEZ1 localization from neurons in sham-lesioned rats to astrocytes in FLI rats, and showed the expression profile of glutamate transporter 1 and glutamine synthetase (GS) was consistent with Western blot observation. Our results indicate that astrocytic FEZ1 and glutamate-glutamine cycle dysfunction may be involved in the pathogenesis of depression after FLI.
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Affiliation(s)
- Ye Zhang
- From the Cytoneurobiology Unit, Department of Anatomy, School of Biology and Basic Medical Sciences, Soochow University, Suzhou, China
| | - Qing Shi
- From the Cytoneurobiology Unit, Department of Anatomy, School of Biology and Basic Medical Sciences, Soochow University, Suzhou, China
| | - Xiwen Li
- From the Cytoneurobiology Unit, Department of Anatomy, School of Biology and Basic Medical Sciences, Soochow University, Suzhou, China
| | - Chunlin Xia
- From the Cytoneurobiology Unit, Department of Anatomy, School of Biology and Basic Medical Sciences, Soochow University, Suzhou, China
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11
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Executive (dys)function after traumatic brain injury: special considerations for behavioral pharmacology. Behav Pharmacol 2019; 29:617-637. [PMID: 30215621 PMCID: PMC6155367 DOI: 10.1097/fbp.0000000000000430] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Executive function is an umbrella term that includes cognitive processes such as decision-making, impulse control, attention, behavioral flexibility, and working memory. Each of these processes depends largely upon monoaminergic (dopaminergic, serotonergic, and noradrenergic) neurotransmission in the frontal cortex, striatum, and hippocampus, among other brain areas. Traumatic brain injury (TBI) induces disruptions in monoaminergic signaling along several steps in the neurotransmission process - synthesis, distribution, and breakdown - and in turn, produces long-lasting deficits in several executive function domains. Understanding how TBI alters monoamingeric neurotransmission and executive function will advance basic knowledge of the underlying principles that govern executive function and potentially further treatment of cognitive deficits following such injury. In this review, we examine the influence of TBI on the following measures of executive function - impulsivity, behavioral flexibility, and working memory. We also describe monoaminergic-systems changes following TBI. Given that TBI patients experience alterations in monoaminergic signaling following injury, they may represent a unique population with regard to pharmacotherapy. We conclude this review by discussing some considerations for pharmacotherapy in the field of TBI.
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12
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Cognitive and neuropsychiatric impairments vary as a function of injury severity at 12 months post-experimental diffuse traumatic brain injury: Implications for dementia development. Behav Brain Res 2019; 365:66-76. [PMID: 30826298 DOI: 10.1016/j.bbr.2019.02.045] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2018] [Revised: 02/20/2019] [Accepted: 02/27/2019] [Indexed: 12/14/2022]
Abstract
Traumatic brain injury (TBI) is a common risk factor for later neurodegeneration, which can manifest as dementia. Despite this, little is known about the time-course of development of functional deficits, particularly cognitive and neuropsychiatric impairments, and whether these differ depending on the nature of the initiating insult. Therefore, this study investigated long term functional impairment at 12 months post-injury following diffuse TBI of different severities. Male Sprague-Dawley rats (420-480 g; 10-12 weeks) were either given a sham surgery (n = 14) or subjected to Marmarou's impact acceleration model of diffuse TBI for a single mild TBI (n = 12), repetitive mild TBI (3 mild diffuse injuries at 5 day intervals) (n = 14) or moderate to severe TBI (n = 14). At 12 months after injury, they were tested on a functional battery encompassing motor, neuropsychiatric (anxiety and depressive-like) and cognitive function. Our results showed that moderate to severe TBI animals exhibited significant impairments in cognitive flexibility (p = 0.009) on the Barnes maze when compared to age-matched sham animals. Neither repetitive mild TBI nor single mild TBI animals showed significant functional impairments when compared to shams. Thus, this study provides the first insight into chronic functional impairments associated with different severities of diffuse TBI, with moderate to severe TBI being a higher risk factor for impaired cognitive function at 12 months post-injury. Taken together, this may have implications for risk of dementia development following different severities of injury.
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13
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Arulsamy A, Corrigan F, Collins-Praino LE. Age, but not severity of injury, mediates decline in executive function: Validation of the rodent touchscreen paradigm for preclinical models of traumatic brain injury. Behav Brain Res 2019; 368:111912. [PMID: 30998995 DOI: 10.1016/j.bbr.2019.111912] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 04/12/2019] [Accepted: 04/13/2019] [Indexed: 12/14/2022]
Abstract
Increasingly, it is being recognised that traumatic brain injury (TBI) is not just an acute event but instead results in ongoing neuronal injury that may lead to chronic impairments in multiple cognitive domains. Of these, deficits in executive function are one of the more common changes reported following TBI, and are a major predictor of well-being, social function and quality of life in individuals with a history of TBI. In order to fully understand the relationship between TBI and executive dysfunction, including brain mechanisms that may account for this, experimental models are clearly needed. However, to date, there have been a lack of preclinical studies systematically comparing the effect of injury severity on executive function, particularly at long-term timepoints post-injury. Furthermore, many previous studies have not used behavioural measures that are sensitive to the full range of executive function impairments that may manifest after injury, particularly in models of diffuse axonal injury (Lv et al.). The current study aimed to investigate the temporal profile, up to 12 months post-injury, of the evolution of executive dysfunction following different severities of injury in an experimental model of DAI. In order to do so, we utilised a rodent touchscreen paradigm to administer the 5 Choice- Continuous Performance Task (5C-CPT), an extension of the 5-choice serial reaction time task (5CSRT). Interestingly, there were no differences in learning, motivation, attention, response time or impulsivity at 1 month, 6 months or 12 months post-injury in any of the TBI groups compared to sham, regardless of the initial severity of the injury. Instead, most of the effects on executive function seen at the 12 month timepoint appeared to be a result of ageing, not injury. As even the 12-month timepoint represents middle age in the rat, future studies will be needed to further probe these effects, in order to determine whether DAI may influence the presentation of executive dysfunction in older age.
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Affiliation(s)
- Alina Arulsamy
- Cognition, Ageing and Neurodegenerative Disease Lab, Adelaide Medical School, The University of Adelaide, Adelaide, SA 5005 Australia
| | | | - Lyndsey E Collins-Praino
- Cognition, Ageing and Neurodegenerative Disease Lab, Adelaide Medical School, The University of Adelaide, Adelaide, SA 5005 Australia.
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14
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Siebold L, Obenaus A, Goyal R. Criteria to define mild, moderate, and severe traumatic brain injury in the mouse controlled cortical impact model. Exp Neurol 2018; 310:48-57. [DOI: 10.1016/j.expneurol.2018.07.004] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Revised: 06/05/2018] [Accepted: 07/11/2018] [Indexed: 10/28/2022]
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15
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Female mice are protected from space radiation-induced maladaptive responses. Brain Behav Immun 2018; 74:106-120. [PMID: 30107198 PMCID: PMC8715721 DOI: 10.1016/j.bbi.2018.08.008] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 08/01/2018] [Accepted: 08/03/2018] [Indexed: 01/15/2023] Open
Abstract
Interplanetary exploration will be humankind's most ambitious expedition and the journey required to do so, is as intimidating as it is intrepid. One major obstacle for successful deep space travel is the possible negative effects of galactic cosmic radiation (GCR) exposure. Here, we investigate for the first time how combined GCR impacts long-term behavioral and cellular responses in male and female mice. We find that a single exposure to simulated GCR induces long-term cognitive and behavioral deficits only in the male cohorts. GCR exposed male animals have diminished social interaction, increased anxiety-like phenotype and impaired recognition memory. Remarkably, we find that the female cohorts did not display any cognitive or behavioral deficits after GCR exposure. Mechanistically, the maladaptive behavioral responses observed only in the male cohorts correspond with microglia activation and synaptic loss in the hippocampus, a brain region involved in the cognitive domains reported here. Furthermore, we measured reductions in AMPA expressing synaptic terminals in the hippocampus. No changes in any of the molecular markers measured here are observed in the females. Taken together these findings suggest that GCR exposure can regulate microglia activity and alter synaptic architecture, which in turn leads to a range of cognitive alterations in a sex dependent manner. These results identify sex-dependent differences in behavioral and cognitive domains revealing promising cellular and molecular intervention targets to reduce GCR-induced chronic cognitive deficits thereby boosting chances of success for humans in deep space missions such as the upcoming Mars voyage.
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16
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Rajkumar R, Dawe GS. OBscure but not OBsolete: Perturbations of the frontal cortex in common between rodent olfactory bulbectomy model and major depression. J Chem Neuroanat 2018; 91:63-100. [DOI: 10.1016/j.jchemneu.2018.04.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2017] [Revised: 03/02/2018] [Accepted: 04/04/2018] [Indexed: 02/08/2023]
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17
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Semple BD, Zamani A, Rayner G, Shultz SR, Jones NC. Affective, neurocognitive and psychosocial disorders associated with traumatic brain injury and post-traumatic epilepsy. Neurobiol Dis 2018; 123:27-41. [PMID: 30059725 DOI: 10.1016/j.nbd.2018.07.018] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2018] [Revised: 07/08/2018] [Accepted: 07/16/2018] [Indexed: 12/13/2022] Open
Abstract
Survivors of traumatic brain injury (TBI) often develop chronic neurological, neurocognitive, psychological, and psychosocial deficits that can have a profound impact on an individual's wellbeing and quality of life. TBI is also a common cause of acquired epilepsy, which is itself associated with significant behavioral morbidity. This review considers the clinical and preclinical evidence that post-traumatic epilepsy (PTE) acts as a 'second-hit' insult to worsen chronic behavioral outcomes for brain-injured patients, across the domains of emotional, cognitive, and psychosocial functioning. Surprisingly, few well-designed studies have specifically examined the relationship between seizures and behavioral outcomes after TBI. The complex mechanisms underlying these comorbidities remain incompletely understood, although many of the biological processes that precipitate seizure occurrence and epileptogenesis may also contribute to the development of chronic behavioral deficits. Further, the relationship between PTE and behavioral dysfunction is increasingly recognized to be a bidirectional one, whereby premorbid conditions are a risk factor for PTE. Clinical studies in this arena are often challenged by the confounding effects of anti-seizure medications, while preclinical studies have rarely examined an adequately extended time course to fully capture the time course of epilepsy development after a TBI. To drive the field forward towards improved treatment strategies, it is imperative that both seizures and neurobehavioral outcomes are assessed in parallel after TBI, both in patient populations and preclinical models.
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Affiliation(s)
- Bridgette D Semple
- Department of Neuroscience, Monash University, 99 Commercial Road, Melbourne, VIC, Australia; Department of Medicine (Royal Melbourne Hospital), The University of Melbourne, Royal Parade, Parkville, VIC, Australia.
| | - Akram Zamani
- Department of Neuroscience, Monash University, 99 Commercial Road, Melbourne, VIC, Australia.
| | - Genevieve Rayner
- Florey Institute of Neuroscience and Mental Health, Melbourne Brain Centre (Austin Campus), Heidelberg, VIC, Australia; Melbourne School of Psychological Sciences, The University of Melbourne, Parkville, VIC, Australia; Comprehensive Epilepsy Program, Alfred Health, Australia.
| | - Sandy R Shultz
- Department of Neuroscience, Monash University, 99 Commercial Road, Melbourne, VIC, Australia; Department of Medicine (Royal Melbourne Hospital), The University of Melbourne, Royal Parade, Parkville, VIC, Australia.
| | - Nigel C Jones
- Department of Neuroscience, Monash University, 99 Commercial Road, Melbourne, VIC, Australia; Department of Medicine (Royal Melbourne Hospital), The University of Melbourne, Royal Parade, Parkville, VIC, Australia.
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18
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Nolan A, Hennessy E, Krukowski K, Guglielmetti C, Chaumeil MM, Sohal VS, Rosi S. Repeated Mild Head Injury Leads to Wide-Ranging Deficits in Higher-Order Cognitive Functions Associated with the Prefrontal Cortex. J Neurotrauma 2018; 35:2425-2434. [PMID: 29732949 DOI: 10.1089/neu.2018.5731] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Traumatic brain injury (TBI) has long been identified as a precipitating risk factor for higher-order cognitive deficits associated with the frontal and prefrontal cortices (PFC). In addition, mild repetitive TBI (rTBI), in particular, is being steadily recognized to increase the risk of neurodegenerative disease. Thus, further understanding of how mild rTBI changes the pathophysiology of the brain to lead to cognitive impairment is warranted. The current models of rTBI lack knowledge regarding chronic higher-order cognitive functions and the underlying neuronal physiology, especially functions involving the PFC. Here, we establish that five repeated mild hits, allowing rotational acceleration of the head, lead to chronic deficits in PFC-dependent functions such as social behavior, spatial working memory, and environmental response with concomitant microgliosis and a small decrease in the adaptation rate of layer V pyramidal neurons in the medial PFC (mPFC). However, structural damage is not seen on in vivo T2-weighted magnetic resonance imaging (MRI), and extensive intrinsic excitability changes in layer V pyramidal neurons of the mPFC are not observed. Thus, this rTBI animal model can recapitulate chronic higher-order cognitive impairments without structural damage on MR imaging as observed in humans.
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Affiliation(s)
- Amber Nolan
- 1 Brain and Spinal Injury Center, University of California , San Francisco, San Francisco, California.,2 Department of Physical Therapy and Rehabilitation Science, University of California , San Francisco, San Francisco, California.,3 Department of Anatomic Pathology, University of California , San Francisco, San Francisco, California
| | - Edel Hennessy
- 1 Brain and Spinal Injury Center, University of California , San Francisco, San Francisco, California.,2 Department of Physical Therapy and Rehabilitation Science, University of California , San Francisco, San Francisco, California
| | - Karen Krukowski
- 1 Brain and Spinal Injury Center, University of California , San Francisco, San Francisco, California.,2 Department of Physical Therapy and Rehabilitation Science, University of California , San Francisco, San Francisco, California
| | - Caroline Guglielmetti
- 2 Department of Physical Therapy and Rehabilitation Science, University of California , San Francisco, San Francisco, California.,4 Surbeck Laboratory of Advanced Imaging, Department of Radiology and Biomedical Imaging, University of California , San Francisco, San Francisco, California
| | - Myriam M Chaumeil
- 2 Department of Physical Therapy and Rehabilitation Science, University of California , San Francisco, San Francisco, California.,4 Surbeck Laboratory of Advanced Imaging, Department of Radiology and Biomedical Imaging, University of California , San Francisco, San Francisco, California
| | - Vikaas S Sohal
- 5 Department of Psychiatry, University of California , San Francisco, San Francisco, California
| | - Susanna Rosi
- 1 Brain and Spinal Injury Center, University of California , San Francisco, San Francisco, California.,2 Department of Physical Therapy and Rehabilitation Science, University of California , San Francisco, San Francisco, California.,6 Department of Neurological Surgery, University of California , San Francisco, San Francisco, California.,7 Weill Institute for Neuroscience, University of California , San Francisco, San Francisco, California.,8 Kavli Institute of Fundamental Neuroscience, University of California , San Francisco, San Francisco, California
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19
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Krukowski K, Jones T, Campbell-Beachler M, Nelson G, Rosi S. Peripheral T Cells as a Biomarker for Oxygen-Ion-Radiation-Induced Social Impairments. Radiat Res 2018; 190:186-193. [DOI: 10.1667/rr15046.1] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
| | - Tamako Jones
- Department of Basic Sciences, Division of Biomedical Engineering Sciences, Loma Linda University, Loma Linda, California
| | - Mary Campbell-Beachler
- Department of Basic Sciences, Division of Biomedical Engineering Sciences, Loma Linda University, Loma Linda, California
| | - Gregory Nelson
- Department of Basic Sciences, Division of Biomedical Engineering Sciences, Loma Linda University, Loma Linda, California
| | - Susanna Rosi
- Department of Physical Therapy and Rehabilitation Science
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20
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de la Tremblaye PB, O'Neil DA, LaPorte MJ, Cheng JP, Beitchman JA, Thomas TC, Bondi CO, Kline AE. Elucidating opportunities and pitfalls in the treatment of experimental traumatic brain injury to optimize and facilitate clinical translation. Neurosci Biobehav Rev 2018; 85:160-175. [PMID: 28576511 PMCID: PMC5709241 DOI: 10.1016/j.neubiorev.2017.05.022] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Accepted: 05/12/2017] [Indexed: 12/19/2022]
Abstract
The aim of this review is to discuss the research presented in a symposium entitled "Current progress in characterizing therapeutic strategies and challenges in experimental CNS injury" which was presented at the 2016 International Behavioral Neuroscience Society annual meeting. Herein we discuss diffuse and focal traumatic brain injury (TBI) and ensuing chronic behavioral deficits as well as potential rehabilitative approaches. We also discuss the effects of stress on executive function after TBI as well as the response of the endocrine system and regulatory feedback mechanisms. The role of the endocannabinoids after CNS injury is also discussed. Finally, we conclude with a discussion of antipsychotic and antiepileptic drugs, which are provided to control TBI-induced agitation and seizures, respectively. The review consists predominantly of published data.
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Affiliation(s)
- Patricia B de la Tremblaye
- Department of Physical Medicine & Rehabilitation, University of Pittsburgh, Pittsburgh, PA, United States; Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, PA, United States
| | - Darik A O'Neil
- Department of Physical Medicine & Rehabilitation, University of Pittsburgh, Pittsburgh, PA, United States; Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, PA, United States
| | - Megan J LaPorte
- Department of Physical Medicine & Rehabilitation, University of Pittsburgh, Pittsburgh, PA, United States; Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, PA, United States
| | - Jeffrey P Cheng
- Department of Physical Medicine & Rehabilitation, University of Pittsburgh, Pittsburgh, PA, United States; Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, PA, United States
| | - Joshua A Beitchman
- Barrow Neurological Institute at Phoenix Children's Hospital, Phoenix, AZ, United States; Department of Child Health, University of Arizona College of Medicine, Phoenix, AZ, United States; Midwestern University, Glendale, AZ, United States
| | - Theresa Currier Thomas
- Barrow Neurological Institute at Phoenix Children's Hospital, Phoenix, AZ, United States; Department of Child Health, University of Arizona College of Medicine, Phoenix, AZ, United States; Phoenix VA Healthcare System, Phoenix, AZ, United States
| | - Corina O Bondi
- Department of Physical Medicine & Rehabilitation, University of Pittsburgh, Pittsburgh, PA, United States; Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, PA, United States; Center for Neuroscience, University of Pittsburgh, Pittsburgh, PA, United States; Department of Neurobiology, University of Pittsburgh, Pittsburgh, PA, United States
| | - Anthony E Kline
- Department of Physical Medicine & Rehabilitation, University of Pittsburgh, Pittsburgh, PA, United States; Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, PA, United States; Center for Neuroscience, University of Pittsburgh, Pittsburgh, PA, United States; Center for the Neural Basis of Cognition, University of Pittsburgh, Pittsburgh, PA, United States; Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA, United States; Department of Psychology, University of Pittsburgh, Pittsburgh, PA, United States.
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21
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Taib T, Leconte C, Van Steenwinckel J, Cho AH, Palmier B, Torsello E, Lai Kuen R, Onyeomah S, Ecomard K, Benedetto C, Coqueran B, Novak AC, Deou E, Plotkine M, Gressens P, Marchand-Leroux C, Besson VC. Neuroinflammation, myelin and behavior: Temporal patterns following mild traumatic brain injury in mice. PLoS One 2017; 12:e0184811. [PMID: 28910378 PMCID: PMC5599047 DOI: 10.1371/journal.pone.0184811] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Accepted: 08/31/2017] [Indexed: 01/11/2023] Open
Abstract
Traumatic brain injury (TBI) results in white matter injury (WMI) that is associated with neurological deficits. Neuroinflammation originating from microglial activation may participate in WMI and associated disorders. To date, there is little information on the time courses of these events after mild TBI. Therefore we investigated (i) neuroinflammation, (ii) WMI and (iii) behavioral disorders between 6 hours and 3 months after mild TBI. For that purpose, we used experimental mild TBI in mice induced by a controlled cortical impact. (i) For neuroinflammation, IL-1b protein as well as microglial phenotypes, by gene expression for 12 microglial activation markers on isolated CD11b+ cells from brains, were studied after TBI. IL-1b protein was increased at 6 hours and 1 day. TBI induced a mixed population of microglial phenotypes with both pro-inflammatory, anti-inflammatory and immunomodulatory markers from 6 hours to 3 days post-injury. At 7 days, microglial activation was completely resolved. (ii) Three myelin proteins were assessed after TBI on ipsi- and contralateral corpus callosum, as this structure is enriched in white matter. TBI led to an increase in 2',3'-cyclic-nucleotide 3'-phosphodiesterase, a marker of immature and mature oligodendrocyte, at 2 days post-injury; a bilateral demyelination, evaluated by myelin basic protein, from 7 days to 3 months post-injury; and an increase in myelin oligodendrocyte glycoprotein at 6 hours and 3 days post-injury. Transmission electron microscopy study revealed various myelin sheath abnormalities within the corpus callosum at 3 months post-TBI. (iii) TBI led to sensorimotor deficits at 3 days post-TBI, and late cognitive flexibility disorder evidenced by the reversal learning task of the Barnes maze 3 months after injury. These data give an overall invaluable overview of time course of neuroinflammation that could be involved in demyelination and late cognitive disorder over a time-scale of 3 months in a model of mild TBI. This model could help to validate a pharmacological strategy to prevent post-traumatic WMI and behavioral disorders following mild TBI.
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Affiliation(s)
- Toufik Taib
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Claire Leconte
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | | | - Angelo H. Cho
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Bruno Palmier
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Egle Torsello
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Rene Lai Kuen
- Cellular and Molecular Imaging Platform, CRP2, UMS 3612 CNRS, US25 INSERM, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Somfieme Onyeomah
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Karine Ecomard
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Chiara Benedetto
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Bérard Coqueran
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Anne-Catherine Novak
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Edwige Deou
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Michel Plotkine
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Pierre Gressens
- U1141 PROTECT, INSERM, Université Paris Diderot, Sorbonne Paris Cité, Paris, France
| | - Catherine Marchand-Leroux
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Valérie C. Besson
- EA4475 – Pharmacologie de la Circulation Cérébrale, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
- * E-mail:
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22
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Merkel SF, Cannella LA, Razmpour R, Lutton E, Raghupathi R, Rawls SM, Ramirez SH. Factors affecting increased risk for substance use disorders following traumatic brain injury: What we can learn from animal models. Neurosci Biobehav Rev 2017; 77:209-218. [PMID: 28359860 DOI: 10.1016/j.neubiorev.2017.03.015] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Revised: 03/06/2017] [Accepted: 03/26/2017] [Indexed: 11/17/2022]
Abstract
Recent studies have helped identify multiple factors affecting increased risk for substance use disorders (SUDs) following traumatic brain injury (TBI). These factors include age at the time of injury, repetitive injury and TBI severity, neurocircuits, neurotransmitter systems, neuroinflammation, and sex differences. This review will address each of these factors by discussing 1) the clinical and preclinical data identifying patient populations at greatest risk for SUDs post-TBI, 2) TBI-related neuropathology in discrete brain regions heavily implicated in SUDs, and 3) the effects of TBI on molecular mechanisms that may drive substance abuse behavior, like dopaminergic and glutamatergic transmission or neuroimmune signaling in mesolimbic regions of the brain. Although these studies have laid the groundwork for identifying factors that affect risk of SUDs post-TBI, additional studies are required. Notably, preclinical models have been shown to recapitulate many of the behavioral, cellular, and neurochemical features of SUDs and TBI. Therefore, these models are well suited for answering important questions that remain in future investigations.
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Affiliation(s)
- Steven F Merkel
- Department of Pathology and Laboratory Medicine, The Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA; Center for Substance Abuse Research, The Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
| | - Lee Anne Cannella
- Department of Pathology and Laboratory Medicine, The Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA; Center for Substance Abuse Research, The Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
| | - Roshanak Razmpour
- Department of Pathology and Laboratory Medicine, The Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
| | - Evan Lutton
- Department of Pathology and Laboratory Medicine, The Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
| | - Ramesh Raghupathi
- Department of Neurobiology and Anatomy, Drexel University College of Medicine, Philadelphia, PA 19129, USA
| | - Scott M Rawls
- Department of Pharmacology, The Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA; Center for Substance Abuse Research, The Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
| | - Servio H Ramirez
- Department of Pathology and Laboratory Medicine, The Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA; Shriners Hospitals Pediatric Research Center, The Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA; Center for Substance Abuse Research, The Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA.
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