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Du L, He X, Fan X, Wei X, Xu L, Liang T, Wang C, Ke Y, Yung WH. Pharmacological interventions targeting α-synuclein aggregation triggered REM sleep behavior disorder and early development of Parkinson's disease. Pharmacol Ther 2023; 249:108498. [PMID: 37499913 DOI: 10.1016/j.pharmthera.2023.108498] [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: 04/28/2023] [Revised: 06/24/2023] [Accepted: 07/18/2023] [Indexed: 07/29/2023]
Abstract
Rapid eye movement (REM) sleep behavior disorder (RBD) is a parasomnia characterized by elevated motor behaviors and dream enactments in REM sleep, often preceding the diagnosis of Parkinson's disease (PD). As RBD could serve as a biomarker for early PD developments, pharmacological interventions targeting α-synuclein aggregation triggered RBD could be applied toward early PD progression. However, robust therapeutic guidelines toward PD-induced RBD are lacking, owing in part to a historical paucity of effective treatments and trials. We reviewed the bidirectional links between α-synuclein neurodegeneration, progressive sleep disorders, and RBD. We highlighted the correlation between RBD development, α-synuclein aggregation, and neuronal apoptosis in key brainstem regions involved in REM sleep atonia maintenance. The current pharmacological intervention strategies targeting RBD and their effects on progressive PD are discussed, as well as current treatments for progressive neurodegeneration and their effects on RBD. We also evaluated emerging and potential pharmacological solutions to sleep disorders and developing synucleinopathies. This review provides insights into the mechanisms and therapeutic targets underlying RBD and PD, and explores bidirectional treatment effects for both diseases, underscoring the need for further research in this area.
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Affiliation(s)
- Lida Du
- Institute of Molecular Medicine & Innovative Pharmaceutics, Qingdao University, Qingdao, China; School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong, China.
| | - Xiaoli He
- Institute of Medical Plant Development, Peking Union Medical College, Beijing, China
| | - Xiaonuo Fan
- Department of Biology, Boston University, Boston, USA
| | - Xiaoya Wei
- Harvard T.H. Chan School of Public Health, Boston, USA
| | - Linhao Xu
- School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong, China; Department of Cardiology, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Tuo Liang
- School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong, China; Institute of Neurological and Psychiatric Disorders, Shenzhen Bay Laboratory, Shenzhen, China
| | - Chunbo Wang
- Institute of Molecular Medicine & Innovative Pharmaceutics, Qingdao University, Qingdao, China
| | - Ya Ke
- School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Wing-Ho Yung
- School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong, China; Department of Neuroscience, City University of Hong Kong, Hong Kong, China.
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Modulation of arousal and sleep/wake architecture by M 1 PAM VU0453595 across young and aged rodents and nonhuman primates. Neuropsychopharmacology 2020; 45:2219-2228. [PMID: 32868847 PMCID: PMC7784923 DOI: 10.1038/s41386-020-00812-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 08/13/2020] [Indexed: 02/01/2023]
Abstract
Degeneration of basal forebrain cholinergic circuitry represents an early event in the development of Alzheimer's disease (AD). These alterations in central cholinergic function are associated with disruptions in arousal, sleep/wake architecture, and cognition. Changes in sleep/wake architecture are also present in normal aging and may represent a significant risk factor for AD. M1 muscarinic acetylcholine receptor (mAChR) positive allosteric modulators (PAMs) have been reported to enhance cognition across preclinical species and may also provide beneficial effects for age- and/or neurodegenerative disease-related changes in arousal and sleep. In the present study, electroencephalography was conducted in young animals (mice, rats and nonhuman primates [NHPs]) and in aged mice to examine the effects of the selective M1 PAM VU0453595 in comparison with the acetylcholinesterase inhibitor donepezil, M1/M4 agonist xanomeline (in NHPs), and M1 PAM BQCA (in rats) on sleep/wake architecture and arousal. In young wildtype mice, rats, and NHPs, but not in M1 mAChR KO mice, VU0453595 produced dose-related increases in high frequency gamma power, a correlate of arousal and cognition enhancement, without altering duration of time across all sleep/wake stages. Effects of VU0453595 in NHPs were observed within a dose range that did not induce cholinergic-mediated adverse effects. In contrast, donepezil and xanomeline increased time awake in rodents and engendered dose-limiting adverse effects in NHPs. Finally, VU0453595 attenuated age-related decreases in REM sleep duration in aged wildtype mice. Development of M1 PAMs represents a viable strategy for attenuating age-related and dementia-related pathological disturbances of sleep and arousal.
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Jerome RN, Joly MM, Kennedy N, Shirey-Rice JK, Roden DM, Bernard GR, Holroyd KJ, Denny JC, Pulley JM. Leveraging Human Genetics to Identify Safety Signals Prior to Drug Marketing Approval and Clinical Use. Drug Saf 2020; 43:567-582. [PMID: 32112228 PMCID: PMC7398579 DOI: 10.1007/s40264-020-00915-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
INTRODUCTION When a new drug or biologic product enters the market, its full spectrum of side effects is not yet fully understood, as use in the real world often uncovers nuances not suggested within the relatively narrow confines of preapproval preclinical and trial work. OBJECTIVE We describe a new, phenome-wide association study (PheWAS)- and evidence-based approach for detection of potential adverse drug effects. METHODS We leveraged our established platform, which integrates human genetic data with associated phenotypes in electronic health records from 29,722 patients of European ancestry, to identify gene-phenotype associations that may represent known safety issues. We examined PheWAS data and the published literature for 16 genes, each of which encodes a protein targeted by at least one drug or biologic product. RESULTS Initial data demonstrated that our novel approach (safety ascertainment using PheWAS [SA-PheWAS]) can replicate published safety information across multiple drug classes, with validated findings for 13 of 16 gene-drug class pairs. CONCLUSIONS By connecting and integrating in vivo and in silico data, SA-PheWAS offers an opportunity to supplement current methods for predicting or confirming safety signals associated with therapeutic agents.
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Affiliation(s)
- Rebecca N Jerome
- Vanderbilt Institute for Clinical and Translational Research, Vanderbilt University Medical Center, Nashville, TN, USA.
| | - Meghan Morrison Joly
- Vanderbilt Institute for Clinical and Translational Research, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Nan Kennedy
- Vanderbilt Institute for Clinical and Translational Research, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Jana K Shirey-Rice
- Vanderbilt Institute for Clinical and Translational Research, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Dan M Roden
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
- Department of Pharmacology, Vanderbilt University Medical Center, Nashville, TN, USA
- Department of Biomedical Informatics, Vanderbilt University, Nashville, TN, USA
| | - Gordon R Bernard
- Vanderbilt Institute for Clinical and Translational Research, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Kenneth J Holroyd
- Vanderbilt Institute for Clinical and Translational Research, Vanderbilt University Medical Center, Nashville, TN, USA
- Center for Technology Transfer and Commercialization, Vanderbilt University, Nashville, TN, USA
| | - Joshua C Denny
- Department of Biomedical Informatics, Vanderbilt University, Nashville, TN, USA
| | - Jill M Pulley
- Vanderbilt Institute for Clinical and Translational Research, Vanderbilt University Medical Center, Nashville, TN, USA
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Yin D, Dong H, Wang TX, Hu ZZ, Cheng NN, Qu WM, Huang ZL. Glutamate Activates the Histaminergic Tuberomammillary Nucleus and Increases Wakefulness in Rats. Neuroscience 2019; 413:86-98. [DOI: 10.1016/j.neuroscience.2019.05.032] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2018] [Revised: 05/10/2019] [Accepted: 05/17/2019] [Indexed: 01/23/2023]
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Fingelkurts AA, Fingelkurts AA. Longitudinal Dynamics of 3-Dimensional Components of Selfhood After Severe Traumatic Brain Injury: A qEEG Case Study. Clin EEG Neurosci 2017; 48:327-337. [PMID: 28771043 DOI: 10.1177/1550059417696180] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
In this report, we describe the case of a patient who sustained extremely severe traumatic brain damage with diffuse axonal injury in a traffic accident and whose recovery was monitored during 6 years. Specifically, we were interested in the recovery dynamics of 3-dimensional components of selfhood (a 3-dimensional construct model for the complex experiential selfhood has been recently proposed based on the empirical findings on the functional-topographical specialization of 3 operational modules of brain functional network responsible for the self-consciousness processing) derived from the electroencephalographic (EEG) signal. The analysis revealed progressive (though not monotonous) restoration of EEG functional connectivity of 3 modules of brain functional network responsible for the self-consciousness processing, which was also paralleled by the clinically significant functional recovery. We propose that restoration of normal integrity of the operational modules of the self-referential brain network may underlie the positive dynamics of 3 aspects of selfhood and provide a neurobiological mechanism for their recovery. The results are discussed in the context of recent experimental studies that support this inference. Studies of ongoing recovery after severe brain injury utilizing knowledge about each separate aspect of complex selfhood will likely help to develop more efficient and targeted rehabilitation programs for patients with brain trauma.
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Thomasy HE, Febinger HY, Ringgold KM, Gemma C, Opp MR. Hypocretinergic and cholinergic contributions to sleep-wake disturbances in a mouse model of traumatic brain injury. Neurobiol Sleep Circadian Rhythms 2016; 2:71-84. [PMID: 31236496 PMCID: PMC6575582 DOI: 10.1016/j.nbscr.2016.03.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2016] [Revised: 03/25/2016] [Accepted: 03/28/2016] [Indexed: 12/24/2022] Open
Abstract
Disorders of sleep and wakefulness occur in the majority of individuals who have experienced traumatic brain injury (TBI), with increased sleep need and excessive daytime sleepiness often reported. Behavioral and pharmacological therapies have limited efficacy, in part, because the etiology of post-TBI sleep disturbances is not well understood. Severity of injuries resulting from head trauma in humans is highly variable, and as a consequence so are their sequelae. Here, we use a controlled laboratory model to investigate the effects of TBI on sleep-wake behavior and on candidate neurotransmitter systems as potential mediators. We focus on hypocretin and melanin-concentrating hormone (MCH), hypothalamic neuropeptides important for regulating sleep and wakefulness, and two potential downstream effectors of hypocretin actions, histamine and acetylcholine. Adult male C57BL/6 mice (n=6-10/group) were implanted with EEG recording electrodes and baseline recordings were obtained. After baseline recordings, controlled cortical impact was used to induce mild or moderate TBI. EEG recordings were obtained from the same animals at 7 and 15 days post-surgery. Separate groups of animals (n=6-8/group) were used to determine effects of TBI on the numbers of hypocretin and MCH-producing neurons in the hypothalamus, histaminergic neurons in the tuberomammillary nucleus, and cholinergic neurons in the basal forebrain. At 15 days post-TBI, wakefulness was decreased and NREM sleep was increased during the dark period in moderately injured animals. There were no differences between groups in REM sleep time, nor were there differences between groups in sleep during the light period. TBI effects on hypocretin and cholinergic neurons were such that more severe injury resulted in fewer cells. Numbers of MCH neurons and histaminergic neurons were not altered under the conditions of this study. Thus, we conclude that moderate TBI in mice reduces wakefulness and increases NREM sleep during the dark period, effects that may be mediated by hypocretin-producing neurons and/or downstream cholinergic effectors in the basal forebrain.
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Affiliation(s)
- Hannah E Thomasy
- Graduate Program in Neuroscience, University of Washington, Seattle, WA, United States
| | - Heidi Y Febinger
- Department of Anesthesiology & Pain Medicine, University of Washington, Seattle, WA, United States
| | - Kristyn M Ringgold
- Department of Anesthesiology & Pain Medicine, University of Washington, Seattle, WA, United States
| | - Carmelina Gemma
- Department of Anesthesiology & Pain Medicine, University of Washington, Seattle, WA, United States
| | - Mark R Opp
- Graduate Program in Neuroscience, University of Washington, Seattle, WA, United States.,Department of Anesthesiology & Pain Medicine, University of Washington, Seattle, WA, United States
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Naharci MI, Ozturk A, Yasar H, Cintosun U, Kocak N, Bozoglu E, Tasci I, Doruk H. Galantamine improves sleep quality in patients with dementia. Acta Neurol Belg 2015; 115:563-8. [PMID: 25777522 DOI: 10.1007/s13760-015-0453-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2014] [Accepted: 02/23/2015] [Indexed: 11/30/2022]
Abstract
The purpose of the study was to evaluate the influences of cholinesterase inhibitors on sleep pattern and sleep disturbance. A total of 87 mild to moderate stage dementia patients who were not on cholinesterase enzyme inhibitor and memantine treatment were included in the study. The dementia patients were treated with donepezil, galantamine or rivastigmine, depending on the preference of the clinician. Fifty-five dementia patients (63.2 %) completed the study. Twenty-three elderly subjects, who had normal cognitive functions, were included in the study as the control group. The Pittsburgh Sleep Quality Index was used for evaluating the sleep quality at the beginning and at the final assessment. The improvement in sleep quality was better with regard to changes in Pittsburgh Sleep Quality Index scores with galantamine treatment compared to the donepezil and the control groups. A significant decrease in Pittsburgh Sleep Quality Index scores was detected in the galantamine group after treatment. Although statistically not significant, rivastigmine decreased and donepezil increased the Pittsburgh Sleep Quality Index scores after treatment. Dementia patients who had a poor sleep quality (n: 36), the rate of improvement in sleep disturbance was 81.8 % in the galantamine group, 75 % in the rivastigmine, and 50 % in the donepezil group. Galantamine may be the first choice of cholinesterase inhibitor in mild to moderate dementia patients in terms of improving sleep quality.
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Affiliation(s)
- Mehmet Ilkin Naharci
- Division of Geriatrics, Department of Internal Medicine, Gulhane School of Medicine, Ankara, Turkey.
- Department of Integrated Medical Sciences, Charles E. Schmidt College of Medicine, Florida Atlantic University, Boca Raton, FL, USA.
| | - Ahmet Ozturk
- Division of Geriatrics, Department of Internal Medicine, Gulhane School of Medicine, Ankara, Turkey
| | - Halit Yasar
- Department of Neurology, Mevki Military Hospital, Ankara, Turkey
| | - Umit Cintosun
- Division of Geriatrics, Department of Internal Medicine, Gulhane School of Medicine, Ankara, Turkey
| | - Necmettin Kocak
- Department of Epidemiology, Gulhane School of Medicine, Ankara, Turkey
| | - Ergun Bozoglu
- Division of Geriatrics, Department of Internal Medicine, Gulhane School of Medicine, Ankara, Turkey
| | - Ilker Tasci
- Division of Geriatrics, Department of Internal Medicine, Gulhane School of Medicine, Ankara, Turkey
| | - Huseyin Doruk
- Division of Geriatrics, Department of Internal Medicine, Gulhane School of Medicine, Ankara, Turkey
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Yanev PG, Dimitrova DS, Getova-Spassova DP. Effects of rivastigmine and memantine alone and in combination on learning and memory in rats with scopolamine-induced amnesia. Open Med (Wars) 2015; 10:338-345. [PMID: 28352716 PMCID: PMC5152995 DOI: 10.1515/med-2015-0050] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2015] [Accepted: 07/07/2015] [Indexed: 12/17/2022] Open
Abstract
Background Cholinesterase inhibitors and glutamate blockers are commonly used for the treatment of cognitive impairment in Alzheimer’s disease. The aim was to evaluate the effects of rivastigmine and memantine alone or in combination in rats with scopolamine-impaired memory. Method 5 groups of rats were used: control, scopolamine (model), model with rivastigmine, model with memantine, and model with both drugs. Active avoidance test was performed and the number of conditioned responses, unconditioned responses and intertrial crossing were recorded. Passive avoidance tests step-through with criteria latency of reaction 180 s in the light chamber and step-down with criteria latency of reaction 60 s on the platform were done. Results Control rats learned the task and kept it on memory tests. Scopolamine treated rats failed to perform it. The rivastigmine, memantine and its combination groups showed increased CRs during learning and memory retention tests. In both passive avoidance tests an increased latency of reaction was observed in the drug treated groups. Conclusion The combination of both drugs rivastigmine and memantine is more effective than the use of the single drug in cognitive impaired rats. Cholinesterase inhibitors and NMDA blockers may be combined in the treatment of different kind of dementias.
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Affiliation(s)
| | - Darinka Slavcheva Dimitrova
- Department of Pharmacology and Clinical Pharmacology, Faculty of Medicine, Medical University, Plovdiv 4002, Bulgaria
| | - Damianka Peteva Getova-Spassova
- Department of Pharmacology, Medical Faculty, Medical University, 15A V. Aprilov str, Plovdiv 4002, Bulgaria, Tel: +359 32 602417; +359 882512960
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