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Sedhom S, Hammond N, Thanos KZ, Blum K, Elman I, Bowirrat A, Dennen CA, Thanos PK. Potential Link Between Exercise and N-Methyl-D-Aspartate Glutamate Receptors in Alcohol Use Disorder: Implications for Therapeutic Strategies. Psychol Res Behav Manag 2024; 17:2363-2376. [PMID: 38895648 PMCID: PMC11185169 DOI: 10.2147/prbm.s462403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Accepted: 05/16/2024] [Indexed: 06/21/2024] Open
Abstract
Alcohol use disorder (AUD) is a significant risk factor, accounting for approximately 13% of all deaths in the US. AUD not only destroys families but also causes economic losses due to reduced productivity, absenteeism, and healthcare expenses. Statistics revealing the sustained number of individuals affected by AUD over the years underscore the need for further understanding of the underlying pathophysiology to advance novel therapeutic strategies. Previous research has implicated the limbic brain regions N-methyl-D-aspartate glutamate receptors (NMDAR) in the emotional and behavioral effects of AUD. Given that aerobic exercise can modulate NMDAR activity and sensitivity to alcohol, this review presents a summary of clinical and basic science studies on NMDAR levels induced by alcohol consumption, as well as acute and protracted withdrawal, highlighting the potential role of aerobic exercise as an adjunctive therapy for AUD. Based on our findings, the utility of exercise in the modulation of reward-linked receptors and AUD may be mediated by its effects on NMDA signaling. These data support further consideration of the potential of aerobic exercise as a promising adjunctive therapy for AUD.
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Affiliation(s)
- Susan Sedhom
- Behavioral Neuropharmacology and Neuroimaging Laboratory on Addictions (BNNLA), Research Institute on Addictions, Department of Pharmacology and Toxicology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
| | - Nikki Hammond
- Behavioral Neuropharmacology and Neuroimaging Laboratory on Addictions (BNNLA), Research Institute on Addictions, Department of Pharmacology and Toxicology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
| | - Kyriaki Z Thanos
- Behavioral Neuropharmacology and Neuroimaging Laboratory on Addictions (BNNLA), Research Institute on Addictions, Department of Pharmacology and Toxicology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
| | - Kenneth Blum
- Division of Addiction Research & Education, Center for Sports, Exercise & Global Mental Health, Western University Health Sciences, Pomona, CA, USA
- Department of Molecular Biology and Adelson School of Medicine, Ariel University, Ariel, Israel
| | - Igor Elman
- Department of Psychiatry, Harvard School of Medicine, Cambridge Health Alliance, Cambridge, MA, USA
| | - Abdalla Bowirrat
- Department of Molecular Biology and Adelson School of Medicine, Ariel University, Ariel, Israel
| | | | - Panayotis K Thanos
- Behavioral Neuropharmacology and Neuroimaging Laboratory on Addictions (BNNLA), Research Institute on Addictions, Department of Pharmacology and Toxicology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
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Alberto GE, Stapleton-Kotloski JR, Klorig DC, Rogers ER, Constantinidis C, Daunais JB, Godwin DW. MEG source imaging detects optogenetically-induced activity in cortical and subcortical networks. Nat Commun 2021; 12:5259. [PMID: 34489452 PMCID: PMC8421372 DOI: 10.1038/s41467-021-25481-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 08/09/2021] [Indexed: 02/07/2023] Open
Abstract
Magnetoencephalography measures neuromagnetic activity with high temporal, and theoretically, high spatial resolution. We developed an experimental platform combining MEG-compatible optogenetic techniques in nonhuman primates for use as a functional brain-mapping platform. Here we show localization of optogenetically evoked signals to known sources in the superficial arcuate sulcus of cortex and in CA3 of hippocampus at a resolution of 750 µm3. We detect activation in subcortical, thalamic, and extended temporal structures, conforming to known anatomical and functional brain networks associated with the respective sites of stimulation. This demonstrates that high-resolution localization of experimentally produced deep sources is possible within an intact brain. This approach is suitable for exploring causal relationships between discrete brain regions through precise optogenetic control and simultaneous whole brain MEG recording with high-resolution magnetic source imaging (MSI).
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Affiliation(s)
- Gregory E. Alberto
- grid.241167.70000 0001 2185 3318Wake Forest School of Medicine; Department of Neurobiology and Anatomy, Winston-Salem, NC USA
| | - Jennifer R. Stapleton-Kotloski
- grid.241167.70000 0001 2185 3318Wake Forest School of Medicine Department of Neurology, Winston-Salem, NC USA ,grid.509341.aResearch and Education Department, W.G. (Bill) Hefner Veterans Affairs Medical Center, Salisbury, NC USA
| | - David C. Klorig
- grid.241167.70000 0001 2185 3318Wake Forest School of Medicine; Department of Neurobiology and Anatomy, Winston-Salem, NC USA
| | - Emily R. Rogers
- grid.241167.70000 0001 2185 3318Wake Forest School of Medicine; Department of Neurobiology and Anatomy, Winston-Salem, NC USA
| | - Christos Constantinidis
- grid.241167.70000 0001 2185 3318Wake Forest School of Medicine; Department of Neurobiology and Anatomy, Winston-Salem, NC USA
| | - James B. Daunais
- grid.241167.70000 0001 2185 3318Wake Forest School of Medicine Department of Physiology and Pharmacology, Winston-Salem, NC USA
| | - Dwayne W. Godwin
- grid.241167.70000 0001 2185 3318Wake Forest School of Medicine; Department of Neurobiology and Anatomy, Winston-Salem, NC USA ,grid.241167.70000 0001 2185 3318Wake Forest School of Medicine Department of Neurology, Winston-Salem, NC USA ,grid.509341.aResearch and Education Department, W.G. (Bill) Hefner Veterans Affairs Medical Center, Salisbury, NC USA ,grid.241167.70000 0001 2185 3318Wake Forest School of Medicine Department of Physiology and Pharmacology, Winston-Salem, NC USA
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Rowland JA, Stapleton-Kotloski JR, Alberto GE, Davenport AT, Epperly PM, Godwin DW, Daunais JB. Rich Club Characteristics of Alcohol-Naïve Functional Brain Networks Predict Future Drinking Phenotypes in Rhesus Macaques. Front Behav Neurosci 2021; 15:673151. [PMID: 34149371 PMCID: PMC8206638 DOI: 10.3389/fnbeh.2021.673151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 04/28/2021] [Indexed: 11/30/2022] Open
Abstract
Purpose: A fundamental question for Alcohol use disorder (AUD) is how and when naïve brain networks are reorganized in response to alcohol consumption. The current study aimed to determine the progression of alcohol’s effect on functional brain networks during transition from the naïve state to chronic consumption. Procedures: Resting-state brain networks of six female rhesus macaque (Macaca mulatta) monkeys were acquired using magnetoencephalography (MEG) prior to alcohol exposure and after free-access to alcohol using a well-established model of chronic heavy alcohol consumption. Functional brain network metrics were derived at each time point. Results: The average connection frequency (p < 0.024) and membership of the Rich Club (p < 0.022) changed significantly over time. Metrics describing network topology remained relatively stable from baseline to free-access drinking. The minimum degree of the Rich Club prior to alcohol exposure was significantly predictive of future free-access drinking (r = −0.88, p < 0.001). Conclusions: Results suggest naïve brain network characteristics may be used to predict future alcohol consumption, and that alcohol consumption alters functional brain networks, shifting hubs and Rich Club membership away from previous regions in a non-systematic manner. Further work to refine these relationships may lead to the identification of a high-risk drinking phenotype.
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Affiliation(s)
- Jared A Rowland
- Research and Academic Affairs Service Line, Mid-Atlantic Mental Illness Research Education and Clinical Center, Salisbury VA Medical Center, Salisbury, NC, United States.,Department of Neurobiology and Anatomy, Wake Forest School of Medicine, Winston-Salem, NC, United States.,Department of Psychiatry and Behavioral Medicine, Wake Forest School of Medicine, Winston-Salem, NC, United States
| | - Jennifer R Stapleton-Kotloski
- Research and Academic Affairs Service Line, Mid-Atlantic Mental Illness Research Education and Clinical Center, Salisbury VA Medical Center, Salisbury, NC, United States.,Department of Neurology, Wake Forest School of Medicine, Winston-Salem, NC, United States
| | - Greg E Alberto
- Department of Neurobiology and Anatomy, Wake Forest School of Medicine, Winston-Salem, NC, United States
| | - April T Davenport
- Department of Physiology and Pharmacology, Wake Forest School of Medicine, Winston-Salem, NC, United States
| | - Phillip M Epperly
- Department of Physiology and Pharmacology, Wake Forest School of Medicine, Winston-Salem, NC, United States
| | - Dwayne W Godwin
- Department of Neurobiology and Anatomy, Wake Forest School of Medicine, Winston-Salem, NC, United States.,Department of Neurology, Wake Forest School of Medicine, Winston-Salem, NC, United States.,Department of Physiology and Pharmacology, Wake Forest School of Medicine, Winston-Salem, NC, United States
| | - James B Daunais
- Department of Physiology and Pharmacology, Wake Forest School of Medicine, Winston-Salem, NC, United States
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Pervin Z, Stephen JM. Effect of alcohol on the central nervous system to develop neurological disorder: pathophysiological and lifestyle modulation can be potential therapeutic options for alcohol-induced neurotoxication. AIMS Neurosci 2021; 8:390-413. [PMID: 34183988 PMCID: PMC8222771 DOI: 10.3934/neuroscience.2021021] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 03/01/2021] [Indexed: 12/06/2022] Open
Abstract
The central nervous system (CNS) is the major target for adverse effects of alcohol and extensively promotes the development of a significant number of neurological diseases such as stroke, brain tumor, multiple sclerosis (MS), Alzheimer's disease (AD), and amyotrophic lateral sclerosis (ALS). Excessive alcohol consumption causes severe neuro-immunological changes in the internal organs including irreversible brain injury and it also reacts with the defense mechanism of the blood-brain barrier (BBB) which in turn leads to changes in the configuration of the tight junction of endothelial cells and white matter thickness of the brain. Neuronal injury associated with malnutrition and oxidative stress-related BBB dysfunction may cause neuronal degeneration and demyelination in patients with alcohol use disorder (AUD); however, the underlying mechanism still remains unknown. To address this question, studies need to be performed on the contributing mechanisms of alcohol on pathological relationships of neurodegeneration that cause permanent neuronal damage. Moreover, alcohol-induced molecular changes of white matter with conduction disturbance in neurotransmission are a likely cause of myelin defect or axonal loss which correlates with cognitive dysfunctions in AUD. To extend our current knowledge in developing a neuroprotective environment, we need to explore the pathophysiology of ethanol (EtOH) metabolism and its effect on the CNS. Recent epidemiological studies and experimental animal research have revealed the association between excessive alcohol consumption and neurodegeneration. This review supports an interdisciplinary treatment protocol to protect the nervous system and to improve the cognitive outcomes of patients who suffer from alcohol-related neurodegeneration as well as clarify the pathological involvement of alcohol in causing other major neurological disorders.
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Affiliation(s)
- Zinia Pervin
- Department of Biomedical Engineering, University of New Mexico, Albuquerque, NM 87131, USA
| | - Julia M Stephen
- The Mind Research Network and Lovelace Biomedical and Environmental Research Institute, Albuquerque, NM 87106, USA
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Magnetoencephalography: Clinical and Research Practices. Brain Sci 2018; 8:brainsci8080157. [PMID: 30126121 PMCID: PMC6120049 DOI: 10.3390/brainsci8080157] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 08/07/2018] [Accepted: 08/11/2018] [Indexed: 11/25/2022] Open
Abstract
Magnetoencephalography (MEG) is a neurophysiological technique that detects the magnetic fields associated with brain activity. Synthetic aperture magnetometry (SAM), a MEG magnetic source imaging technique, can be used to construct both detailed maps of global brain activity as well as virtual electrode signals, which provide information that is similar to invasive electrode recordings. This innovative approach has demonstrated utility in both clinical and research settings. For individuals with epilepsy, MEG provides valuable, nonredundant information. MEG accurately localizes the irritative zone associated with interictal spikes, often detecting epileptiform activity other methods cannot, and may give localizing information when other methods fail. These capabilities potentially greatly increase the population eligible for epilepsy surgery and improve planning for those undergoing surgery. MEG methods can be readily adapted to research settings, allowing noninvasive assessment of whole brain neurophysiological activity, with a theoretical spatial range down to submillimeter voxels, and in both humans and nonhuman primates. The combination of clinical and research activities with MEG offers a unique opportunity to advance translational research from bench to bedside and back.
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