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Soehner AM, Wallace ML, Edmiston K, Chase HW, Lockovich J, Aslam H, Stiffler R, Graur S, Skeba A, Bebko G, Benjamin OE, Wang Y, Phillips ML. Neurobehavioral Reward and Sleep-Circadian Profiles Predict Present and Next-Year Mania/Hypomania Symptoms. BIOLOGICAL PSYCHIATRY. COGNITIVE NEUROSCIENCE AND NEUROIMAGING 2023; 8:1251-1261. [PMID: 37230386 PMCID: PMC10665544 DOI: 10.1016/j.bpsc.2023.04.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 04/21/2023] [Accepted: 04/22/2023] [Indexed: 05/27/2023]
Abstract
BACKGROUND Heightened reward sensitivity/impulsivity, related neural activity, and sleep-circadian disruption are important risk factors for bipolar spectrum disorders, the defining feature of which is mania/hypomania. Our goal was to identify neurobehavioral profiles based on reward and sleep-circadian features and examine their specificity to mania/hypomania versus depression vulnerability. METHODS At baseline, a transdiagnostic sample of 324 adults (18-25 years) completed trait measures of reward sensitivity (Behavioral Activation Scale), impulsivity (UPPS-P-Negative Urgency), and a functional magnetic resonance imaging card-guessing reward task (left ventrolateral prefrontal activity to reward expectancy, a neural correlate of reward motivation and impulsivity, was extracted). At baseline, 6-month follow-up, and 12-month follow-up, the Mood Spectrum Self-Report Measure - Lifetime Version assessed lifetime predisposition to subthreshold-syndromal mania/hypomania, depression, and sleep-circadian disturbances (insomnia, sleepiness, reduced sleep need, rhythm disruption). Mixture models derived profiles from baseline reward, impulsivity, and sleep-circadian variables. RESULTS Three profiles were identified: 1) healthy (no reward or sleep-circadian disruption; n = 162); 2) moderate-risk (moderate reward and sleep-circadian disruption; n = 109); and 3) high-risk (high impulsivity and sleep-circadian disruption; n = 53). At baseline, the high-risk group had significantly higher mania/hypomania scores than the other groups but did not differ from the moderate-risk group in depression scores. Over the follow-up period, the high-risk and moderate-risk groups exhibited elevated mania/hypomania scores, whereas depression scores increased at a faster rate in the healthy group than in the other groups. CONCLUSIONS Cross-sectional and next-year predisposition to mania/hypomania is associated with a combination of heightened reward sensitivity and impulsivity, related reward circuitry activity, and sleep-circadian disturbances. These measures can be used to detect mania/hypomania risk and provide targets to guide and monitor interventions.
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Affiliation(s)
- Adriane M Soehner
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.
| | - Meredith L Wallace
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Kale Edmiston
- Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Massachusetts
| | - Henry W Chase
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Jeannette Lockovich
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Haris Aslam
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Richelle Stiffler
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Simona Graur
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Alex Skeba
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Genna Bebko
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Osasumwen E Benjamin
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Yiming Wang
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Mary L Phillips
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania; Department of Biostatistics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania; Department of Statistics, University of Pittsburgh, Pittsburgh, Pennsylvania
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2
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Yaodong C, Zhang Y, Feng G, Lei Y, Liu Q, Liu Y. Light therapy for sleep disturbance comorbid depression in relation to neural circuits and interactive hormones-A systematic review. PLoS One 2023; 18:e0286569. [PMID: 37768984 PMCID: PMC10538739 DOI: 10.1371/journal.pone.0286569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 05/19/2023] [Indexed: 09/30/2023] Open
Abstract
AIM To provide an overview of the evidence on the effect of light therapy on sleep disturbance and depression, identify the light-active neural and hormonal correlates of the effect of light therapy on sleep disturbance comorbid depression (SDCD), and construct the mechanism by which light therapy alleviates SDCD. METHODS Articles published between 1981 and 2021 in English were accessed using Science Direct, Elsevier, and Google Scholar following a three-step searching process via evolved keywords. The evidence level, reliability, and credibility of the literature were evaluated using the evidence pyramid method, which considers the article type, impact factor, and journal citation report (JCR) partition. RESULTS A total of 372 articles were collected, of which 129 articles fit the inclusion criteria and 44% were at the top of the evidence pyramid hierarchy; 50% were in the first quarter of the JCR partitions. 114 articles provided specific neural and hormonal evidence of light therapy and were further divided into three groups: 37% were related to circadian regulation circuits, 27% were related to emotional regulation circuits, and 36% were related to hormones. CONCLUSIONS First, neural and hormonal light-active pathways for alleviating sleep disturbance or depression were identified, based on which the neural correlates of SDCD were located. Second, the light responses and interactions of hormones were reviewed and summarized, which also provided a way to alleviate SDCD. Finally, the light-active LHb and SCN exert extensive regulation impacts on the circadian and emotional circuits and hormones, forming a dual-core system for alleviating SDCD.
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Affiliation(s)
- Chen Yaodong
- School of Architecture, Southwest JiaoTong University, Chengdu, China
| | - Yingzi Zhang
- School of Architecture, Southwest JiaoTong University, Chengdu, China
| | - Guo Feng
- Psychological Research and Counseling Center, Southwest Jiaotong Univerisity, Chengdu, China
| | - Yuanfang Lei
- School of Architecture, Southwest JiaoTong University, Chengdu, China
| | - Qiuping Liu
- School of Architecture, Southwest JiaoTong University, Chengdu, China
| | - Yang Liu
- School of Architecture, Southwest JiaoTong University, Chengdu, China
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3
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Circadian functioning of Locus Cœruleus of the nocturnal rat and diurnal rodent Arvicanthis. Neurosci Lett 2023; 799:137091. [PMID: 36690061 DOI: 10.1016/j.neulet.2023.137091] [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: 11/07/2022] [Revised: 01/17/2023] [Accepted: 01/18/2023] [Indexed: 01/21/2023]
Abstract
The noradrenergic Locus Cœruleus is one of the major arousal structures involved in inducing wakefulness. While brain noradrenaline (NA) amounts display 24-h variations, the origin of NA rhythm is currently unknown. In this study, we tested the hypothesis that NA rhythm could result from its rhythmic synthesis. Therefore, we investigated the 24-h expression profile of NA rate-limiting enzyme, tyrosine hydroxylase (th), in the Locus Cœruleus (LC) of the nocturnal rat and the diurnal rodent Arvicanthis, under 12 h:12 h light/dark (LD) and constant darkness (DD) conditions. In both species, th mRNA levels vary significantly over 24-h. In nocturnal rats, th mRNA profiles show a unimodal rhythm, with peak values in late day in LD, and in the middle of the subjective day in DD. In contrast, th mRNA rhythm in Arvicanthis is characterized by a bimodal profile, with higher levels at the beginning of the day and of the night in LD, and in the middle of the subjective day and night in DD. The rhythmic pattern of th expression may be dependent on a LC clock machinery. Therefore, we investigated the expression of three clock genes, namely bmal1, per1, and per2, and found that their mRNAs display significant variations between day and nighttime points in both species, but in opposite directions. These data show that NA rhythm may be related to circadian expression of th gene in both species, but differs between nocturnal and diurnal rodents. Furthermore, the phase opposition of clock gene expression in the rat compared to Arvicanthis suggests that the clock machinery might be one of the mechanisms involved in th rhythmic expression.
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Olejniczak I, Begemann K, Wilhelm I, Oster H. The circadian neurobiology of reward. Acta Physiol (Oxf) 2023; 237:e13928. [PMID: 36625310 DOI: 10.1111/apha.13928] [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: 09/19/2022] [Revised: 11/29/2022] [Accepted: 01/02/2023] [Indexed: 01/11/2023]
Abstract
Circadian clocks are important regulators of physiology and behavior. In the brain, circadian clocks have been described in many centers of the central reward system. They affect neurotransmitter signaling, neuroendocrine circuits, and the sensitivity to external stimulation. Circadian disruption affects reward signaling, promoting the development of behavioral and substance use disorders. In this review, we summarize our current knowledge of circadian clock-reward crosstalk. We show how chronodisruption affects reward signaling in different animal models. We then translate these findings to circadian aspects of human reward (dys-) function and its clinical implications. Finally, we devise approaches to and challenges in implementing the concepts of circadian medicine in the therapy of substance use disorders.
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Affiliation(s)
- Iwona Olejniczak
- Institute of Neurobiology, University of Lübeck, Lübeck, Germany.,Center of Brain, Behavior, and Metabolism, University of Lübeck, Lübeck, Germany
| | - Kimberly Begemann
- Institute of Neurobiology, University of Lübeck, Lübeck, Germany.,Center of Brain, Behavior, and Metabolism, University of Lübeck, Lübeck, Germany
| | - Ines Wilhelm
- Center of Brain, Behavior, and Metabolism, University of Lübeck, Lübeck, Germany.,Translational Psychiatry Unit, Department of Psychiatry and Psychotherapy, University of Lübeck, Lübeck, Germany
| | - Henrik Oster
- Institute of Neurobiology, University of Lübeck, Lübeck, Germany.,Center of Brain, Behavior, and Metabolism, University of Lübeck, Lübeck, Germany
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5
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Tang Q, Assali DR, Güler AD, Steele AD. Dopamine systems and biological rhythms: Let's get a move on. Front Integr Neurosci 2022; 16:957193. [PMID: 35965599 PMCID: PMC9364481 DOI: 10.3389/fnint.2022.957193] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 07/06/2022] [Indexed: 02/05/2023] Open
Abstract
How dopamine signaling regulates biological rhythms is an area of emerging interest. Here we review experiments focused on delineating dopamine signaling in the suprachiasmatic nucleus, nucleus accumbens, and dorsal striatum to mediate a range of biological rhythms including photoentrainment, activity cycles, rest phase eating of palatable food, diet-induced obesity, and food anticipatory activity. Enthusiasm for causal roles for dopamine in the regulation of circadian rhythms, particularly those associated with food and other rewarding events, is warranted. However, determining that there is rhythmic gene expression in dopamine neurons and target structures does not mean that they are bona fide circadian pacemakers. Given that dopamine has such a profound role in promoting voluntary movements, interpretation of circadian phenotypes associated with locomotor activity must be differentiated at the molecular and behavioral levels. Here we review our current understanding of dopamine signaling in relation to biological rhythms and suggest future experiments that are aimed at teasing apart the roles of dopamine subpopulations and dopamine receptor expressing neurons in causally mediating biological rhythms, particularly in relation to feeding, reward, and activity.
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Affiliation(s)
- Qijun Tang
- Department of Biology, University of Virginia, Charlottesville, VA, United States
| | - Dina R. Assali
- Department of Biological Sciences, California State Polytechnic University Pomona, Pomona, CA, United States
| | - Ali D. Güler
- Department of Biology, University of Virginia, Charlottesville, VA, United States
- Program in Fundamental Neuroscience, University of Virginia, Charlottesville, VA, United States
- Department of Neuroscience, School of Medicine, University of Virginia, Charlottesville, VA, United States
| | - Andrew D. Steele
- Department of Biological Sciences, California State Polytechnic University Pomona, Pomona, CA, United States
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6
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Zhang C, Chen C, Zhao X, Lu J, Zhang M, Qiu H, Yue X, Wang H. New insight into methamphetamine-associated heart failure revealed by transcriptomic analyses: Circadian rhythm disorder. Toxicol Appl Pharmacol 2022; 451:116172. [PMID: 35863504 DOI: 10.1016/j.taap.2022.116172] [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: 05/16/2022] [Revised: 07/12/2022] [Accepted: 07/14/2022] [Indexed: 11/19/2022]
Abstract
Methamphetamine (METH) abuse is a significant public health concern globally. Cardiac toxicity is one of the important characteristics of METH, in addition to its effects on the nervous system. However, to date, research on the cardiotoxic injury induced by METH consumption has been insufficient. To systematically analyze the potential molecular mechanism of cardiac toxicity in METH-associated heart failure (HF), a rat model was constructed with a dose of 10 mg/kg of METH consumption. Cardiac function was evaluated by echocardiography, and HE staining was used to clarify the myocardial histopathological changes. Integrated analyses, including mRNA, miRNA and lncRNA, was performed to analyze the RNA expression profile and the potential molecular mechanisms involved in METH-associated HF. The results showed that METH caused decreased myocardial contractility, with a decreased percent ejection fraction (%EF). Kyoto Encyclopedia of Genes and Genomes (KEGG) and Gene Ontology (GO) analyses of the RNAs with expression changes revealed abnormal circadian rhythm regulation in the METH groups, with circadian rhythm-related genes and their downstream effectors expressed differentially, especially the aryl hydrocarbon receptor nuclear translocator-like (Arntl). Competing endogenous RNA (ceRNA) networks associated with circadian rhythm, including Arntl, was also observed. Therefore, this study revealed that long-term METH consumption was associated with the HF in a rat model by decreasing the %EF, and that the abnormal circadian rhythm could provide new directions for investigating the METH-associated HF, and that the differentially expressed genes in this model could provide candidate genes for the identification and assessment of cardiac toxicity in METH-associated HF, which is fundamental for further understanding of the disease.
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Affiliation(s)
- Cui Zhang
- School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China; Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification, School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China
| | - Chuanxiang Chen
- School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China; Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification, School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China
| | - Xu Zhao
- The Seventh Affiliated Hospital, Southern Medical University, Foshan 528200, China
| | - Jiancong Lu
- School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China; Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification, School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China
| | - Manting Zhang
- School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China; Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification, School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China
| | - Hai Qiu
- School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China; Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification, School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China
| | - Xia Yue
- School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China; Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification, School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China
| | - Huijun Wang
- School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China; Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification, School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China; The Seventh Affiliated Hospital, Southern Medical University, Foshan 528200, China..
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7
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Fagiani F, Baronchelli E, Pittaluga A, Pedrini E, Scacchi C, Govoni S, Lanni C. The Circadian Molecular Machinery in CNS Cells: A Fine Tuner of Neuronal and Glial Activity With Space/Time Resolution. Front Mol Neurosci 2022; 15:937174. [PMID: 35845604 PMCID: PMC9283971 DOI: 10.3389/fnmol.2022.937174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 06/07/2022] [Indexed: 11/24/2022] Open
Abstract
The circadian molecular machinery is a fine timekeeper with the capacity to harmonize physiological and behavioral processes with the external environment. This tight-knit regulation is coordinated by multiple cellular clocks across the body. In this review, we focus our attention on the molecular mechanisms regulated by the clock in different brain areas and within different cells of the central nervous system. Further, we discuss evidence regarding the role of circadian rhythms in the regulation of neuronal activity and neurotransmitter systems. Not only neurons, but also astrocytes and microglia actively participate in the maintenance of timekeeping within the brain, and the diffusion of circadian information among these cells is fine-tuned by neurotransmitters (e.g., dopamine, serotonin, and γ-aminobutyric acid), thus impacting on the core clock machinery. The bidirectional interplay between neurotransmitters and the circadian clockwork is fundamental in maintaining accuracy and precision in daily timekeeping throughout different brain areas. Deepening the knowledge of these correlations allows us to define the basis of drug interventions to restore circadian rhythms, as well as to predict the onset of drug treatment/side effects that might promote daily desynchronization. Furthermore, it may lead to a deeper understanding of the potential impacts of modulations in rhythmic activities on the pace of aging and provide an insight in to the pathogenesis of psychiatric diseases and neurodegenerative disorders.
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Affiliation(s)
- Francesca Fagiani
- Institute of Experimental Neurology, IRCCS San Raffaele Hospital and Vita-Salute San Raffaele University, Milan, Italy
| | - Eva Baronchelli
- Department of Drug Sciences, Pharmacology Section, University of Pavia, Pavia, Italy
| | - Anna Pittaluga
- Department of Pharmacy (DiFar), School of Medical and Pharmaceutical Sciences, University of Genoa, Genoa, Italy
- Center of Excellence for Biomedical Research, 3Rs Center, University of Genoa, Genoa, Italy
| | - Edoardo Pedrini
- Institute of Experimental Neurology, IRCCS San Raffaele Hospital and Vita-Salute San Raffaele University, Milan, Italy
| | - Chiara Scacchi
- Department of Drug Sciences, Pharmacology Section, University of Pavia, Pavia, Italy
| | - Stefano Govoni
- Department of Drug Sciences, Pharmacology Section, University of Pavia, Pavia, Italy
| | - Cristina Lanni
- Department of Drug Sciences, Pharmacology Section, University of Pavia, Pavia, Italy
- Centro 3R (Inter-University Center for the Promotion of the 3Rs Principles in Teaching and Research), Italy
- *Correspondence: Cristina Lanni
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Pradel K, Drwięga G, Chrobok L, Błasiak T. Racing and Pacing in the Reward System: A Multi-Clock Circadian Control Over Dopaminergic Signalling. Front Physiol 2022; 13:932378. [PMID: 35812323 PMCID: PMC9259884 DOI: 10.3389/fphys.2022.932378] [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: 04/29/2022] [Accepted: 06/07/2022] [Indexed: 11/27/2022] Open
Abstract
Level of motivation, responsiveness to rewards and punishment, invigoration of exploratory behaviours, and motor performance are subject to daily fluctuations that emerge from circadian rhythms in neuronal activity of the midbrain’s dopaminergic system. While endogenous circadian rhythms are weak in the ventral tegmental area and substantia nigra pars compacta, daily changes in expression of core clock genes, ion channels, neurotransmitter receptors, dopamine-synthesising enzymes, and dopamine transporters, accompanied by changes in electrical activity, are readily observed in these nuclei. These processes cause dopamine levels released in structures innervated by midbrain dopaminergic neurons (e.g., the striatum) to oscillate in a circadian fashion. Additionally, growing evidence show that the master circadian clock located in the suprachiasmatic nucleus of the hypothalamus (SCN) rhythmically influences the activity of the dopaminergic system through various intermediate targets. Thus, circadian changes in the activity of the dopaminergic system and concomitant dopamine release observed on a daily scale are likely to be generated both intrinsically and entrained by the master clock. Previous studies have shown that the information about the value and salience of stimuli perceived by the animal is encoded in the neuronal activity of brain structures innervating midbrain dopaminergic centres. Some of these structures themselves are relatively autonomous oscillators, while others exhibit a weak endogenous circadian rhythm synchronised by the SCN. Here, we place the dopaminergic system as a hub in the extensive network of extra-SCN circadian oscillators and discuss the possible consequences of its daily entrainment for animal physiology and behaviour.
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Affiliation(s)
- Kamil Pradel
- Department of Neurophysiology and Chronobiology, Institute of Zoology and Biomedical Research, Jagiellonian University, Kraków, Poland
| | - Gniewosz Drwięga
- Department of Neurophysiology and Chronobiology, Institute of Zoology and Biomedical Research, Jagiellonian University, Kraków, Poland
| | - Lukasz Chrobok
- School of Physiology, Pharmacology and Neuroscience, University of Bristol, University Walk, Bristol, United Kingdom
- *Correspondence: Lukasz Chrobok, ; Tomasz Błasiak,
| | - Tomasz Błasiak
- Department of Neurophysiology and Chronobiology, Institute of Zoology and Biomedical Research, Jagiellonian University, Kraków, Poland
- *Correspondence: Lukasz Chrobok, ; Tomasz Błasiak,
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9
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Becker-Krail DD, Walker WH, Nelson RJ. The Ventral Tegmental Area and Nucleus Accumbens as Circadian Oscillators: Implications for Drug Abuse and Substance Use Disorders. Front Physiol 2022; 13:886704. [PMID: 35574492 PMCID: PMC9094703 DOI: 10.3389/fphys.2022.886704] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 04/04/2022] [Indexed: 12/15/2022] Open
Abstract
Circadian rhythms convergently evolved to allow for optimal synchronization of individuals’ physiological and behavioral processes with the Earth’s 24-h periodic cycling of environmental light and temperature. Whereas the suprachiasmatic nucleus (SCN) is considered the primary pacemaker of the mammalian circadian system, many extra-SCN oscillatory brain regions have been identified to not only exhibit sustainable rhythms in circadian molecular clock function, but also rhythms in overall region activity/function and mediated behaviors. In this review, we present the most recent evidence for the ventral tegmental area (VTA) and nucleus accumbens (NAc) to serve as extra-SCN oscillators and highlight studies that illustrate the functional significance of the VTA’s and NAc’s inherent circadian properties as they relate to reward-processing, drug abuse, and vulnerability to develop substance use disorders (SUDs).
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Affiliation(s)
- Darius D Becker-Krail
- Department of Neuroscience, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV, United States
| | - William H Walker
- Department of Neuroscience, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV, United States
| | - Randy J Nelson
- Department of Neuroscience, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV, United States
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Su H, Bai J, Fan Y, Sun T, Du Y, Li Y, Wei Z, Chen T, Guo X, Yun K. The distinct roles of various neurotransmitters in modulating methamphetamine-induced conditioned place preference in relevant brain regions in mice. Neuroreport 2022; 33:101-108. [PMID: 34966126 PMCID: PMC8812429 DOI: 10.1097/wnr.0000000000001760] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 12/05/2021] [Indexed: 11/25/2022]
Abstract
OBJECTIVES Previous studies have shown that methamphetamine (METH) can induce complex adaptive changes in the reward system in the brain, including the changes in the content of neurotransmitters in the signal transduction pathway. However, how the changes of various neurotransmitters in relevant brain reward circuits contribute to METH-induced conditioned place preference (CPP) remains unclear. METHODS In this study, first, we designed an animal model of METH-induced CPP. Then we used liquid chromatography-mass spectrometry (LC-MS) to simultaneously determine the contents of various neurotransmitters - dopamine (DA), norepinephrine (NE), 5-hydroxytryptamine (5-HT), 5-hydroxyindole acetic acid (5-HIAA), glutamic acid (Glu) and glutamine (Gln) - in different brain regions of the prefrontal cortex (PFc), nucleus accumbens (NAc), caudate-putamen (CPu) and hippocampus (Hip), which are believed to be relevant to the drug's reward effect. RESULTS The results of the behavioral experiment suggested that 1.0 mg/kg METH could induce obvious CPP in mice. The results about various neurotransmitters showed that: DA significantly increased in NAc in the METH group; Glu increased significantly in the METH group in PFc and NAc and Gln increased significantly in the METH group in PFc. CONCLUSIONS These results suggested that the neurotransmitters of DA, Glu and Gln may work together and play important roles in METH-induced CPP in relevant brain reward circuits, especially in PFc and NAc. These findings therefore could help to advance the comprehensive understanding of the neurochemic and psychopharmacologic properties of METH in reward effect, which is important for future improvements in the treatment of drug addiction.
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Affiliation(s)
- Hongliang Su
- Department of School of Forensic Medicine, Shanxi Medical University, Taiyuan
- Key Laboratory of Forensic Toxicology, Ministry of Public Security, Beijing
| | - Junmei Bai
- Department of School of Forensic Medicine, Shanxi Medical University, Taiyuan
| | - Yao Fan
- Department of School of Forensic Medicine, Shanxi Medical University, Taiyuan
| | - Tingting Sun
- Department of School of Forensic Medicine, Shanxi Medical University, Taiyuan
| | - Yan Du
- Department of Pharmaceutical Science, Shanxi Medical University
| | - Yanhua Li
- Department of Foreign Languages, Taiyuan
| | - Zhiwen Wei
- Department of School of Forensic Medicine, Shanxi Medical University, Taiyuan
- Key Laboratory of Forensic Toxicology, Ministry of Public Security, Beijing
| | - Teng Chen
- Department of Forensic Medicine, Xi’an Jiaotong University Health Science Center, Xi’an, People’s Republic of China
| | - Xiangjie Guo
- Department of School of Forensic Medicine, Shanxi Medical University, Taiyuan
| | - Keming Yun
- Department of School of Forensic Medicine, Shanxi Medical University, Taiyuan
- Key Laboratory of Forensic Toxicology, Ministry of Public Security, Beijing
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11
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Young CJ, Lyons D, Piggins HD. Circadian Influences on the Habenula and Their Potential Contribution to Neuropsychiatric Disorders. Front Behav Neurosci 2022; 15:815700. [PMID: 35153695 PMCID: PMC8831701 DOI: 10.3389/fnbeh.2021.815700] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 12/27/2021] [Indexed: 12/13/2022] Open
Abstract
The neural circadian system consists of the master circadian clock in the hypothalamic suprachiasmatic nuclei (SCN) communicating time of day cues to the rest of the body including other brain areas that also rhythmically express circadian clock genes. Over the past 16 years, evidence has emerged to indicate that the habenula of the epithalamus is a candidate extra-SCN circadian oscillator. When isolated from the SCN, the habenula sustains rhythms in clock gene expression and neuronal activity, with the lateral habenula expressing more robust rhythms than the adjacent medial habenula. The lateral habenula is responsive to putative SCN output factors as well as light information conveyed to the perihabenula area. Neuronal activity in the lateral habenula is altered in depression and intriguingly disruptions in circadian rhythms can elevate risk of developing mental health disorders including depression. In this review, we will principally focus on how circadian and light signals affect the lateral habenula and evaluate the possibility that alteration in these influences contribute to mental health disorders.
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Lewis RG, Florio E, Punzo D, Borrelli E. The Brain's Reward System in Health and Disease. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1344:57-69. [PMID: 34773226 DOI: 10.1007/978-3-030-81147-1_4] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Rhythmic gene expression is found throughout the central nervous system. This harmonized regulation can be dependent on- and independent of- the master regulator of biological clocks, the suprachiasmatic nucleus (SCN). Substantial oscillatory activity in the brain's reward system is regulated by dopamine. While light serves as a primary time-giver (zeitgeber) of physiological clocks and synchronizes biological rhythms in 24-h cycles, nonphotic stimuli have a profound influence over circadian biology. Indeed, reward-related activities (e.g., feeding, exercise, sex, substance use, and social interactions), which lead to an elevated level of dopamine, alters rhythms in the SCN and the brain's reward system. In this chapter, we will discuss the influence of the dopaminergic reward pathways on circadian system and the implication of this interplay on human health.
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Affiliation(s)
- Robert G Lewis
- School of Medicine, Department of Microbiology and Molecular Genetics, INSERMU1233, Center for Epigenetics and Metabolism, University of California - Irvine, Irvine, CA, USA
| | - Ermanno Florio
- School of Medicine, Department of Microbiology and Molecular Genetics, INSERMU1233, Center for Epigenetics and Metabolism, University of California - Irvine, Irvine, CA, USA
| | - Daniela Punzo
- School of Medicine, Department of Microbiology and Molecular Genetics, INSERMU1233, Center for Epigenetics and Metabolism, University of California - Irvine, Irvine, CA, USA
| | - Emiliana Borrelli
- School of Medicine, Department of Microbiology and Molecular Genetics, INSERMU1233, Center for Epigenetics and Metabolism, University of California - Irvine, Irvine, CA, USA. .,University of California - Irvine, Irvine, CA, USA.
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13
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Brain Clocks, Sleep, and Mood. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021. [PMID: 34773227 DOI: 10.1007/978-3-030-81147-1_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2023]
Abstract
The suprachiasmatic nucleus houses the master clock, but the genes which encode the circadian clock components are also expressed throughout the brain. Here, we review how circadian clock transcription factors regulate neuromodulator systems such as histamine, dopamine, and orexin that promote arousal. These circadian transcription factors all lead to repression of the histamine, dopamine, and orexin systems during the sleep period, so ensuring integration with the ecology of the animal. If these transcription factors are deleted or mutated, in addition to the global disturbances in circadian rhythms, this causes a chronic up-regulation of neuromodulators leading to hyperactivity, elevated mood, and reduced sleep, which have been suggested to be states resembling mania.
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14
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Ascorbic acid inhibits the acquisition and expression of morphine-induced conditioned place preference and sensitization in male Swiss-Webster mice. PHYSIOLOGY AND PHARMACOLOGY 2021. [DOI: 10.52547/phypha.26.4.6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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15
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Wiers CE, Zhao J, Manza P, Murani K, Ramirez V, Zehra A, Freeman C, Yuan K, Wang GJ, Demiral SB, Childress AR, Tomasi D, Volkow ND. Conscious and unconscious brain responses to food and cocaine cues. Brain Imaging Behav 2021; 15:311-319. [PMID: 32125616 DOI: 10.1007/s11682-020-00258-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Visual presentation of appetitive and negative cues triggers fast responses in the human brain. Here we assessed functional MRI (fMRI) responses to food, cocaine, and neutral cues presented at a subliminal ("unconscious", 33 ms) and supraliminal ("conscious", 750 and 3000 ms) level in healthy, cocaine naïve volunteers. Because there is evidence of circadian variability in reward sensitivity, our second aim was to assess diurnal variability in the brain's reactivity to cues. Sixteen participants completed two randomly ordered fMRI sessions (once 9-11 AM and another 5-7 PM). in which food, cocaine, and neutral cues were presented for 33, 750 and 3000 ms. Participants rated food cues as positive and "wanted" (more so in evenings than mornings), and cocaine cues as negative (no diurnal differences). fMRI showed occipital cortex activation for food>neutral, cocaine>neutral and cocaine>food; dorsolateral prefrontal cortex for cocaine>neutral and cocaine>food, and midbrain for cocaine>food (all pFWE < 0.05). When comparing unconscious (33 ms) > conscious (750 and 3000 ms) presentations, we observed significant differences for cocaine>neutral and cocaine>food in occipital cortex, for cocaine>neutral in the insula/temporal lobe, and for food>neutral in the middle temporal gyrus (pFWE < 0.05). No diurnal differences for brain activations were observed. We interpret these findings to suggest that negative items (e.g., cocaine) might be perceived at a faster speed than positive ones (e.g., food), although we cannot rule out that the higher saliency of cocaine cues, which would be novel to non-drug using individuals, contributed to the faster speed of detection.
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Affiliation(s)
- Corinde E Wiers
- Laboratory of Neuroimaging, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, 10 Center Drive, Room B2L124, Bethesda, MD, 20892, USA.
| | - Jizheng Zhao
- Laboratory of Neuroimaging, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, 10 Center Drive, Room B2L124, Bethesda, MD, 20892, USA
| | - Peter Manza
- Laboratory of Neuroimaging, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, 10 Center Drive, Room B2L124, Bethesda, MD, 20892, USA
| | - Kristina Murani
- Laboratory of Neuroimaging, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, 10 Center Drive, Room B2L124, Bethesda, MD, 20892, USA
| | - Veronica Ramirez
- Laboratory of Neuroimaging, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, 10 Center Drive, Room B2L124, Bethesda, MD, 20892, USA
| | - Amna Zehra
- Laboratory of Neuroimaging, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, 10 Center Drive, Room B2L124, Bethesda, MD, 20892, USA
| | - Clara Freeman
- Laboratory of Neuroimaging, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, 10 Center Drive, Room B2L124, Bethesda, MD, 20892, USA
| | - Kai Yuan
- Laboratory of Neuroimaging, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, 10 Center Drive, Room B2L124, Bethesda, MD, 20892, USA
| | - Gene-Jack Wang
- Laboratory of Neuroimaging, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, 10 Center Drive, Room B2L124, Bethesda, MD, 20892, USA
| | - Sükrü Barış Demiral
- Laboratory of Neuroimaging, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, 10 Center Drive, Room B2L124, Bethesda, MD, 20892, USA
| | - Anna Rose Childress
- Center for Studies on Addiction, Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Dardo Tomasi
- Laboratory of Neuroimaging, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, 10 Center Drive, Room B2L124, Bethesda, MD, 20892, USA
| | - Nora D Volkow
- Laboratory of Neuroimaging, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, 10 Center Drive, Room B2L124, Bethesda, MD, 20892, USA.
- National Institute on Drug Abuse, National Institutes of Health, Bethesda, MD, 20892, USA.
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16
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Alonso IP, Pino JA, Kortagere S, Torres GE, España RA. Dopamine transporter function fluctuates across sleep/wake state: potential impact for addiction. Neuropsychopharmacology 2021; 46:699-708. [PMID: 33032296 PMCID: PMC8026992 DOI: 10.1038/s41386-020-00879-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Revised: 09/13/2020] [Accepted: 09/15/2020] [Indexed: 12/20/2022]
Abstract
The dopamine transporter (DAT) has been implicated in a variety of arousal-related processes including the regulation of motor activity, learning, motivated behavior, psychostimulant abuse, and, more recently, sleep/wake state. We previously demonstrated that DAT uptake regulates fluctuations in extracellular dopamine (DA) in the striatum across the light/dark cycle with DA levels at their highest during the dark phase and lowest during the light phase. Despite this evidence, whether fluctuations in DA uptake across the light/dark cycle are associated with changes in sleep/wake has not been tested. To address this, we employed a combination of sleep/wake recordings, fast scan cyclic voltammetry, and western blotting to examine whether sleep/wake state and/or light/dark phase impact DA terminal neurotransmission in male rats. Further, we assessed whether variations in plasma membrane DAT levels and/or phosphorylation of the threonine 53 site on the DAT accounts for fluctuations in DA neurotransmission. Given the extensive evidence indicating that psychostimulants increase DA through interactions with the DAT, we also examined to what degree the effects of cocaine at inhibiting the DAT vary across sleep/wake state. Results demonstrated a significant association between individual sleep/wake states and DA terminal neurotransmission, with higher DA uptake rate, increased phosphorylation of the DAT, and enhanced cocaine potency observed after periods of sleep. These findings suggest that sleep/wake state influences DA neurotransmission in a manner that is likely to impact a host of DA-dependent processes including a variety of neuropsychiatric disorders.
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Affiliation(s)
- I. P. Alonso
- grid.166341.70000 0001 2181 3113Department of Neurobiology and Anatomy, Drexel University College of Medicine, Philadelphia, PA 19129 USA
| | - J. A. Pino
- grid.440631.40000 0001 2228 7602Departamento de Medicina, Facultad de Medicina, Universidad de Atacama, 1532502 Copiapó, Chile
| | - S. Kortagere
- grid.166341.70000 0001 2181 3113Department of Microbiology and Immunology, Drexel University College of Medicine, Philadelphia, PA 19129 USA
| | - G. E. Torres
- grid.254250.40000 0001 2264 7145Department of Molecular, Cellular & Biomedical Sciences, CUNY School of Medicine at the City College of New York, New York, NY 10031 USA
| | - R. A. España
- grid.166341.70000 0001 2181 3113Department of Neurobiology and Anatomy, Drexel University College of Medicine, Philadelphia, PA 19129 USA
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17
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Sharma R, Puckett H, Kemerling M, Parikh M, Sahota P, Thakkar M. Antisense-Induced Downregulation of Clock Genes in the Shell Region of the Nucleus Accumbens Reduces Binge Drinking in Mice. Alcohol Clin Exp Res 2021; 45:530-542. [PMID: 33606281 PMCID: PMC8535763 DOI: 10.1111/acer.14549] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 01/05/2021] [Accepted: 01/07/2021] [Indexed: 12/22/2022]
Abstract
INTRODUCTIONS Binge drinking is a deadly pattern of alcohol consumption. Evidence suggests that genetic variation in clock genes is strongly associated with alcohol misuse; however, the neuroanatomical basis for such a relationship is unknown. The shell region of the nucleus accumbens (NAcSh) is well known to play a role in binge drinking. Hence, we examined whether clock genes in the NAcSh regulate binge drinking. METHODS To address this question, 2 experiments were performed on male C57BL/6J mice. In the first experiment, mice exposed to alcohol or sucrose under the 4-day drinking-in-the-dark (DID) paradigm were euthanized at 2 different time points on day 4 [7 hours after light (pre-binge drinking) or dark (post-binge drinking) onset]. The brains were processed for RT-PCR to examine the expression of circadian clock genes (Clock, Per1, and Per2) in the NAcSh and suprachiasmatic nucleus (SCN). In the second experiment, mice were exposed to alcohol, sucrose, or water as described above. On day 4, 1 hour prior to the onset of alcohol exposure, mice were bilaterally infused with either a mixture of circadian clock gene antisense oligodeoxynucleotides (AS-ODNs; antisense group) or nonsense/random ODNs (R-ODNs; control group) through surgically implanted cannulas above the NAcSh. Alcohol/sucrose/water consumption was measured for 4 hours. Blood alcohol concentration was measured to confirm binge drinking. Microinfusion sites were histologically verified using cresyl violet staining. RESULTS As compared to sucrose, mice euthanized post-binge drinking (not pre-binge drinking) on day 4 displayed a greater expression of circadian genes in the NAcSh but not in the SCN. Knockdown of clock genes in the NAcSh caused a significantly lower volume of alcohol to be consumed on day 4 than in the control treatment. No differences were found in sucrose or water consumption. CONCLUSIONS Our results suggest that clock genes in the NAcSh play a crucial role in binge drinking.
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Affiliation(s)
- Rishi Sharma
- Harry S. Truman Memorial Veterans Hospital and Department of Neurology, University of Missouri, Columbia, MO, USA
| | - Hunter Puckett
- Harry S. Truman Memorial Veterans Hospital and Department of Neurology, University of Missouri, Columbia, MO, USA
| | - Micaela Kemerling
- Harry S. Truman Memorial Veterans Hospital and Department of Neurology, University of Missouri, Columbia, MO, USA
| | - Meet Parikh
- Harry S. Truman Memorial Veterans Hospital and Department of Neurology, University of Missouri, Columbia, MO, USA
| | - Pradeep Sahota
- Harry S. Truman Memorial Veterans Hospital and Department of Neurology, University of Missouri, Columbia, MO, USA
| | - Mahesh Thakkar
- Harry S. Truman Memorial Veterans Hospital and Department of Neurology, University of Missouri, Columbia, MO, USA
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18
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Koch CE, Begemann K, Kiehn JT, Griewahn L, Mauer J, M E Hess, Moser A, Schmid SM, Brüning JC, Oster H. Circadian regulation of hedonic appetite in mice by clocks in dopaminergic neurons of the VTA. Nat Commun 2020; 11:3071. [PMID: 32555162 PMCID: PMC7299974 DOI: 10.1038/s41467-020-16882-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 05/22/2020] [Indexed: 12/15/2022] Open
Abstract
Unlimited access to calorie-dense, palatable food is a hallmark of Western societies and substantially contributes to the worldwide rise of metabolic disorders. In addition to promoting overconsumption, palatable diets dampen daily intake patterns, further augmenting metabolic disruption. We developed a paradigm to reveal differential timing in the regulation of food intake behavior in mice. While homeostatic intake peaks in the active phase, conditioned place preference and choice experiments show an increased sensitivity to overeating on palatable food during the rest phase. This hedonic appetite rhythm is driven by endogenous circadian clocks in dopaminergic neurons of the ventral tegmental area (VTA). Mice with disrupted clock function in the VTA lose their hedonic overconsumption rhythms without affecting homeostatic intake. These findings assign a functional role of VTA clocks in modulating palatable feeding behaviors and identify a potential therapeutic route to counteract hyperphagy in an obesogenic environment. In addition to promoting overconsumption, palatable diets dampen daily intake patterns, which further augments metabolic dysfunction. Here, the authors find that in mice, circadian clocks in dopaminergic neurons in the ventral tegmental area drive hedonic appetite rhythms.
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Affiliation(s)
- C E Koch
- Institute of Neurobiology, University of Lübeck, CBBM, Marie Curie Street, 23562, Lübeck, Germany
| | - K Begemann
- Institute of Neurobiology, University of Lübeck, CBBM, Marie Curie Street, 23562, Lübeck, Germany
| | - J T Kiehn
- Institute of Neurobiology, University of Lübeck, CBBM, Marie Curie Street, 23562, Lübeck, Germany
| | - L Griewahn
- Institute of Neurobiology, University of Lübeck, CBBM, Marie Curie Street, 23562, Lübeck, Germany
| | - J Mauer
- Department of Neuronal Control of Metabolism, Max Planck Institute for Metabolism Research, Gleueler Street 50, 50931, Cologne, Germany
| | - M E Hess
- Department of Neuronal Control of Metabolism, Max Planck Institute for Metabolism Research, Gleueler Street 50, 50931, Cologne, Germany
| | - A Moser
- Department of Neurology, University of Lübeck, CBBM, Marie Curie Street, 23562, Lübeck, Germany
| | - S M Schmid
- Institute of Endocrinology and Diabetes, University of Lübeck, CBBM, Marie Curie Street, 23562, Lübeck, Germany.,Deutsches Zentrum für Diabetesforschung e. V. (DZD), Neuherberg, Deutschland
| | - J C Brüning
- Department of Neuronal Control of Metabolism, Max Planck Institute for Metabolism Research, Gleueler Street 50, 50931, Cologne, Germany
| | - H Oster
- Institute of Neurobiology, University of Lübeck, CBBM, Marie Curie Street, 23562, Lübeck, Germany.
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19
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Porcu A, Vaughan M, Nilsson A, Arimoto N, Lamia K, Welsh DK. Vulnerability to helpless behavior is regulated by the circadian clock component CRYPTOCHROME in the mouse nucleus accumbens. Proc Natl Acad Sci U S A 2020; 117:13771-13782. [PMID: 32487727 PMCID: PMC7306774 DOI: 10.1073/pnas.2000258117] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
The nucleus accumbens (NAc), a central component of the midbrain dopamine reward circuit, exhibits disturbed circadian rhythms in the postmortem brains of depressed patients. We hypothesized that normal mood regulation requires proper circadian timing in the NAc, and that mood disorders are associated with dysfunctions of the NAc cellular circadian clock. In mice exhibiting stress-induced depression-like behavior (helplessness), we found altered circadian clock function and high nighttime expression of the core circadian clock component CRYPTOCHROME (CRY) in the NAc. In the NAc of helpless mice, we found that higher expression of CRY is associated with decreased activation of dopamine 1 receptor-expressing medium spiny neurons (D1R-MSNs). Furthermore, D1R-MSN-specific CRY-knockdown in the NAc reduced susceptibility to stress-induced helplessness and increased NAc neuronal activation at night. Finally, we show that CRY inhibits D1R-induced G protein activation, likely by interacting with the Gs protein. Altered circadian rhythms and CRY expression were also observed in human fibroblasts from major depressive disorder patients. Our data reveal a causal role for CRY in regulating the midbrain dopamine reward system, and provide a mechanistic link between the NAc circadian clock and vulnerability to depression.
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Affiliation(s)
- Alessandra Porcu
- Research Service, Veterans Affairs San Diego Healthcare System, San Diego, CA 92161;
- Department of Psychiatry, University of California San Diego, La Jolla, CA 92037
- Center for Circadian Biology, University of California San Diego, La Jolla, CA 92037
| | - Megan Vaughan
- Department of Molecular Medicine, Scripps Research, La Jolla, CA 92037
| | - Anna Nilsson
- Research Service, Veterans Affairs San Diego Healthcare System, San Diego, CA 92161
- Department of Psychiatry, University of California San Diego, La Jolla, CA 92037
- Center for Circadian Biology, University of California San Diego, La Jolla, CA 92037
| | - Natsuko Arimoto
- Department of Psychiatry, University of California San Diego, La Jolla, CA 92037
- Center for Circadian Biology, University of California San Diego, La Jolla, CA 92037
| | - Katja Lamia
- Department of Molecular Medicine, Scripps Research, La Jolla, CA 92037
| | - David K Welsh
- Research Service, Veterans Affairs San Diego Healthcare System, San Diego, CA 92161
- Department of Psychiatry, University of California San Diego, La Jolla, CA 92037
- Center for Circadian Biology, University of California San Diego, La Jolla, CA 92037
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20
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Circadian modulation of motivation in mice. Behav Brain Res 2020; 382:112471. [PMID: 31958519 DOI: 10.1016/j.bbr.2020.112471] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 01/03/2020] [Accepted: 01/04/2020] [Indexed: 11/21/2022]
Abstract
Most living organisms have a circadian timing system adapted to optimize the daily rhythm of exposure to the environment. This circadian system modulates several behavioral and physiological processes, including the response to natural and drug rewards. Food is the most potent natural reward across species. Food-seeking is known to be mediated by dopaminergic and serotonergic transmission in cortico-limbic pathways. In the present work, we show evidence of a circadian modulation of motivation for food reward in young (4-months old) and aged (over 1.5 years old) C57BL/6 mice. Motivation was assayed through the progressive ratio (PR) schedule. Mice under a 12:12 light/dark (LD) cycle exhibited a diurnal rhythm in motivation, becoming more motivated during the night, coincident with their active phase. This rhythm was also evident under constant dark conditions, indicating the endogenous nature of this modulation. However, circadian arrhythmicity induced by chronic exposure to constant light conditions impaired the performance in the task causing low motivation levels. Furthermore, the day/night difference in motivation was also evident even without caloric restriction when using a palatable reward. All these results were found to be unaffected by aging. Taken together, our results indicate that motivation for food reward is regulated in a circadian manner, independent of the nutritional status and the nature of the reward, and that this rhythmic modulation is not affected by aging. These results may contribute to improve treatment related to psychiatric disorders or drugs of abuse, taking into account potential mechanisms of circadian modulation of motivational states.
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21
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Bendová Z, Pačesová D, Novotný J. The day-night differences in ERK1/2, GSK3β activity and c-Fos levels in the brain, and the responsiveness of various brain structures to morphine. J Comp Neurol 2020; 528:2471-2495. [PMID: 32170720 DOI: 10.1002/cne.24906] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 02/17/2020] [Accepted: 03/09/2020] [Indexed: 11/12/2022]
Abstract
As with other drugs or pharmaceuticals, opioids differ in their rewarding or analgesic effects depending on when they are applied. In the previous study, we have demonstrated the day/night difference in the sensitivity of the major circadian clock in the suprachiasmatic nucleus to a low dose of morphine, and showed the bidirectional effect of morphine on pERK1/2 and pGSK3β levels in the suprachiasmatic nucleus depending on the time of administration. The main aim of this study was to identify other brain structures that respond differently to morphine depending on the time of its administration. Using immunohistochemistry, we identified 44 structures that show time-of-day specific changes in c-Fos level and activity of ERK1/2 and GSK3β kinases in response to a single dose of 1 mg/kg morphine. Furthermore, comparison among control groups revealed the differences in the spontaneous levels of all markers with a generally higher level during the night, that is, in the active phase of the day. We thus provide further evidence for diurnal variations in the activity of brain regions outside the suprachiasmatic nucleus indicated by the temporal changes in the molecular substrate. We suggest that these changes are responsible for generating diurnal variation in the reward behavior or analgesic effect of opioid administration.
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Affiliation(s)
- Zdeňka Bendová
- Faculty of Science, Charles University, Prague, Czech Republic.,Department of Sleep Medicine and Chronobiology, National Institute of Mental Health, Klecany, Czech Republic
| | - Dominika Pačesová
- Faculty of Science, Charles University, Prague, Czech Republic.,Department of Sleep Medicine and Chronobiology, National Institute of Mental Health, Klecany, Czech Republic
| | - Jiří Novotný
- Faculty of Science, Charles University, Prague, Czech Republic
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22
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Khaksari M, Nakhaei P, Khastar H, Bakhtazad A, Rahimi K, Garmabi B. Circadian fluctuation in curiosity is a risk factor for morphine preference. BIOL RHYTHM RES 2020. [DOI: 10.1080/09291016.2020.1719682] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Mehdi Khaksari
- Addiction Research Center, Shahroud University of Medical Sciences, Shahroud, Iran
| | - Parham Nakhaei
- Student Research Committee, School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran
| | - Hosein Khastar
- School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran
| | - Atefeh Bakhtazad
- Department of Neuroscience, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Kasra Rahimi
- Student Research Committee, School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran
| | - Behzad Garmabi
- School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran
- Study and Treatment of Circadian Rhythms Research Center, Shahroud University of Medical Sciences, Shahroud, Iran
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Hühne A, Hoch E, Landgraf D. DAILY-A Personalized Circadian Zeitgeber Therapy as an Adjunctive Treatment for Alcohol Use Disorder Patients: Study Protocol for a Randomized Controlled Trial. Front Psychiatry 2020; 11:569864. [PMID: 33519541 PMCID: PMC7840704 DOI: 10.3389/fpsyt.2020.569864] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 12/09/2020] [Indexed: 01/23/2023] Open
Abstract
Background: Hallmarks of alcohol use disorder (AUD) are disturbances of circadian rhythms and everyday structures. While circadian rhythms dictate the timing of daily recurring activities such as sleep, activity, and meals, conversely, these activities represent time cues, so called Zeitgebers, that the circadian system uses to synchronize with the environment. Here we present a study protocol for our newly developed therapy approach for AUD patients, in which we take advantage of this mutual influence and stabilize and strengthen their circadian system by creating strict daily schedules for daily Zeitgeber activities. Since every person has a circadian system with its own characteristics and is subject to social obligations, the daily plans are personalized for each test person. Our hypothesis is that a regular exposure to Zeitgebers stabilizes behavioral and physiological circadian rhythms and thereby reduces the risk of alcohol relapses and depressive symptoms and facilitates physical recovery in AUD patients during the 1st weeks of their addiction therapy. Methods/design: The study is a 6-weeks single site trial with a controlled, randomized, single-blinded, parallel-group design including patients with a diagnosis of AUD. The study runs parallel to the standard addiction therapy of the clinic. Patients are randomly assigned to either an intervention group (DAILY) or a sham control group (placebo treatment). Questionnaires and physiological assessments of both groups are conducted before and immediately after the intervention or control treatment. According to our hypothesis, the primary outcomes of this study are improvements of regularity, alcohol consumption, and relapse rate in AUD patients compared to AUD patients receiving control treatment. Secondary outcomes are reduced depressive symptoms and increased physical recovery. Discussion: This study is a randomized controlled trial to investigate the efficacy of a personalized circadian Zeitgeber therapy as an adjunctive treatment for alcohol use disorder patients. The overall goal of this and more extended future studies is the development of an adjunctive therapy for AUD patients that is uncomplicated in its use and easy to implement in the clinical and everyday routine. Trial registration: This study is registered at the German Clinical Trial Register with the trial number DRKS00019093 on November 28, 2019.
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Affiliation(s)
- Anisja Hühne
- Circadian Biology Group, Department of Molecular Neurobiology, Clinic of Psychiatry and Psychotherapy, University Hospital, Ludwig Maximilian University, Munich, Germany.,Munich Medical Research School, Ludwig Maximilian University, Munich, Germany
| | - Eva Hoch
- Cannabinoid Research and Treatment Group, Division of Clinical Psychology and Psychological Treatment, Department of Psychology, Clinic of Psychiatry and Psychotherapy, University Hospital, Ludwig Maximilian University, Munich, Germany
| | - Dominic Landgraf
- Circadian Biology Group, Department of Molecular Neurobiology, Clinic of Psychiatry and Psychotherapy, University Hospital, Ludwig Maximilian University, Munich, Germany
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24
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Barbosa-Méndez S, Salazar-Juárez A. Melatonin decreases cocaine-induced locomotor activity in pinealectomized rats. ACTA ACUST UNITED AC 2019; 42:295-308. [PMID: 31859790 PMCID: PMC7236171 DOI: 10.1590/1516-4446-2018-0400] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Accepted: 09/13/2019] [Indexed: 12/22/2022]
Abstract
Objective: Several studies have shown that the time of day regulates the reinforcing effects of cocaine. Additionally, melatonin and its MT1 and MT2 receptors have been found to participate in modulation of the reinforcing effects of such addictive drugs as cocaine. Loss of the diurnal variation in cocaine-induced locomotor sensitization and cocaine-induced place preference has been identified in pinealectomized mice. In addition, several studies in rodents have shown that administration of melatonin decreased the reinforcing effects of cocaine. The objective of this study was to evaluate the effect of melatonin on cocaine-induced locomotor activity in pinealectomized rats at different times of day (zeitgeber time [ZT]4, ZT10, ZT16, and ZT22). Methods: Naïve, pinealectomized Wistar rats received cocaine at different times of day. Melatonin was administered 30 min before cocaine; luzindole was administered 15 min prior to melatonin and 45 min before cocaine. After administration of each treatment, locomotor activity for each animal was recorded for a total of 30 min. Pinealectomy was confirmed at the end of the experiment through melatonin quantitation by ELISA. Results: Cocaine-induced locomotor activity varied according to the time of day. Continuous lighting and pinealectomy increased cocaine-induced locomotor activity. Melatonin administration decreased cocaine-induced locomotor activity in naïve and pinealectomized rats at different times of day. Luzindole blocked the melatonin-induced reduction in cocaine-induced locomotor activity in pinealectomized rats. Conclusion: Given its ability to mitigate various reinforcing effects of cocaine, melatonin could be a useful therapy for cocaine abuse.
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Affiliation(s)
- Susana Barbosa-Méndez
- Laboratorio de Neurofarmacología Conductual, Microcirugía y Terapéutica Experimental, Subdirección de Investigaciones Clínicas, Instituto Nacional de Psiquiatría, Ciudad de México, Mexico
| | - Alberto Salazar-Juárez
- Laboratorio de Neurofarmacología Conductual, Microcirugía y Terapéutica Experimental, Subdirección de Investigaciones Clínicas, Instituto Nacional de Psiquiatría, Ciudad de México, Mexico
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Albrecht U. Molecular Connections Between Circadian Clocks and Mood-related Behaviors. J Mol Biol 2019; 432:3714-3721. [PMID: 31863752 DOI: 10.1016/j.jmb.2019.11.021] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Revised: 11/26/2019] [Accepted: 11/26/2019] [Indexed: 01/01/2023]
Abstract
The circadian system consists of individual cellular clocks. It organizes and synchronizes biochemical and physiological processes in order to optimally adapt an organism to its environment. This requires that the circadian system is responsive to environmental cues, which contain information about geophysical time (e.g., light), and allows an organism to predict daily recurring events. However, the system needs to be responsive to unpredictable cues (e.g., predators, stress) as well, which makes it vulnerable in its task to synchronize body functions on a 24-h time scale. If unpredictable signals occur only occasionally, this will have a minor effect on the clock system. Conversely, stress signals that occur more frequently will desynchronize the various cellular and tissue clocks in the body. This will result in biochemical and physiological disorder and as a consequence will lead to various diseases including neurological and mood disorders. In this review, I will describe molecular mechanisms that have been associated with the circadian clock and mood-related behaviors.
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Affiliation(s)
- Urs Albrecht
- Department of Biology, University of Fribourg, Fribourg, 1700, Switzerland.
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Hasler BP, Pedersen SL. Sleep and circadian risk factors for alcohol problems: a brief overview and proposed mechanisms. Curr Opin Psychol 2019; 34:57-62. [PMID: 31629218 DOI: 10.1016/j.copsyc.2019.09.005] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 08/22/2019] [Accepted: 09/05/2019] [Indexed: 12/12/2022]
Abstract
Disturbances in sleep and circadian rhythms may be important, albeit underappreciated, risk factors for the initiation of alcohol use and the escalation of alcohol problems. In this review, we first describe sleep and circadian changes during adolescence and young adulthood. Second, we explain how these sleep/circadian changes intersect with onset and escalation of alcohol use. Third, we briefly note how alcohol use (whether acute or chronic) affects sleep and circadian rhythms. Finally, we articulate a conceptual model containing two mechanistic pathways-broadly positive and negative reinforcement-linking sleep/circadian factors to alcohol involvement before listing key areas we believe are ripe for further inquiry.
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Affiliation(s)
- Brant P Hasler
- University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
| | - Sarah L Pedersen
- University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
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Lafaye G, Desterke C, Marulaz L, Benyamina A. Cannabidiol affects circadian clock core complex and its regulation in microglia cells. Addict Biol 2019; 24:921-934. [PMID: 30307084 DOI: 10.1111/adb.12660] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Revised: 06/19/2018] [Accepted: 06/22/2018] [Indexed: 12/27/2022]
Abstract
Cannabis is often used by consumers for sleep disorders. Studies show that circadian rhythm could be affected by a misuse of cannabis. Recent research has connected the role of microglial cells with psychiatric disorders such as substance abuse. The aim was to show the effect of two major components of cannabis on circadian genes regulation in microglial cells. In BV-2 microglial cells, cannabidiol (CBD) induces a deregulation of circadian genes with (P-value = 0.039) or without (P-value = 0.0015) lipopolisaccharides stimulation. CBD up regulated Arntl (P = 9.72E-5) and down regulated Clock (P = 0.0034) in BV-2 cells. Temporal expression of Arntl (light and dark P = 0.0054) and Clock (light and dark P = 0.047) was confirmed to have 24 hours light and dark rhythmic regulation in dissected suprachiasmatic nucleus as well as of Cb1 cannabinoid receptor (light and dark P = 0.019). In BV-2 microglia cells, CBD also up regulated CRY2 (P = 0.0473) and PER1 (P = 0.0131). Other nuclear molecules show a deregulation of circadian rhythm in microglial cells by CBD, such as RORA, RevErbα, RORB, CREBBP, AFT4, AFT5 and NFIL3. Our study suggests that circadian rhythm in microglial cells is deregulated by CBD but not by THC. It is consistent with clinical observations of the use of therapeutic cannabis to treat insomnia.
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Affiliation(s)
- Geneviève Lafaye
- Dpt Addictologie, AP-HP, GH Paris-Sud, Hôpital Paul Brousse, Villejuif, France
- INSERM U1178, Villejuif, France
| | | | - Laurent Marulaz
- Dpt Addictologie, AP-HP, GH Paris-Sud, Hôpital Paul Brousse, Villejuif, France
- INSERM U1178, Villejuif, France
| | - Amine Benyamina
- Dpt Addictologie, AP-HP, GH Paris-Sud, Hôpital Paul Brousse, Villejuif, France
- INSERM U1178, Villejuif, France
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Khazaie H, Ahmadi HR, Kiani A, Ghadami MR. Circadian melatonin profile in opium and amphetamine dependent patients: A preliminary study. Neurobiol Sleep Circadian Rhythms 2019; 7:100046. [PMID: 31463419 PMCID: PMC6710474 DOI: 10.1016/j.nbscr.2019.100046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Revised: 06/21/2019] [Accepted: 07/17/2019] [Indexed: 12/03/2022] Open
Abstract
Aim The aim of this study was to investigate the relationship between opium and amphetamine dependency with the serum melatonin levels in the presence of circadian rhythm sleep disorders (CRSD). Participants Forty four male amphetamine-dependent and opium-dependent patients with CRSD and with more than one year substance dependency were enrolled in this study. Control group consisted of twelve healthy male subjects. Design The diagnoses of sleep disorders were established by a psychiatrist and were made on the basis of the criteria of ICSD-II using the patients’ sleep logs. Blood samples were drawn every 4 h through an intravenous catheter. Serum melatonin levels were assayed using an enzyme-linked immunosorbent assay (ELISA) kit. Repeated Measures Analysis of variance (ANOVA) was used to assess differences between the melatonin levels at six separate times. Finding The serum melatonin levels of the control subjects were significantly higher than both opium-dependent and amphetamine-dependent patients at 24:00, 4:00 and 8:00. The serum melatonin level of the opium-dependent patients were significantly lower than the amphetamine-dependent patients at 24:00 (26.9 ± 11.4 vs. 41 ± 19.4, respectively; p = 0.006) and were significantly higher than the amphetamine-dependent patients at 16:00 (12.7 ± 5.1 vs. 8.9 ± 4.1, respectively; p = 0.011). Conclusion This is an evidence of negative effects of substance dependence on circadian cycle of melatonin secretion among opium and amphetamine dependent patients. Sleep problems in substance abuse patients may be caused by dysfunction of circadian rhythm. High prevalence of circadian rhythm sleep disorders (CRSD) in substance dependent patients, possibly related to abnormal melatonin cycle. Circadian rhythm-based interventions could play an important role in the prevention and treatment of substance use disorders.
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Affiliation(s)
- Habibolah Khazaie
- Sleep Disorders Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Hamid Reza Ahmadi
- Sleep Disorders Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Amir Kiani
- Department of Pharmacology and Toxicology, School of Pharmacy, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mohammad Rasoul Ghadami
- Sleep Disorders Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Corresponding author. Sleep Disorders Research Center, Farabi Hospital, Kermanshah University of Medical Sciences, Kermanshah, PO Box: 6719851151, Iran.
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Abstract
Fundamental aspects of neurobiology are time-of-day regulated. Therefore, it is not surprising that neurodegenerative and psychiatric diseases are accompanied by sleep and circadian rhythm disruption. Although the direction of causation remains unclear, abnormal sleep-wake patterns often occur early in disease, exacerbate progression, and are a common primary complaint from patients. Circadian medicine incorporates knowledge of 24-hour biological rhythms to improve treatment. This article highlights how research and technologic advances in circadian biology might translate to improved patient care.
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Radwan B, Liu H, Chaudhury D. The role of dopamine in mood disorders and the associated changes in circadian rhythms and sleep-wake cycle. Brain Res 2019; 1713:42-51. [DOI: 10.1016/j.brainres.2018.11.031] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Revised: 10/24/2018] [Accepted: 11/23/2018] [Indexed: 12/21/2022]
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Dunn JP, Abumrad NN, Patterson BW, Kessler RM, Tamboli RA. Brief communication: β-cell function influences dopamine receptor availability. PLoS One 2019; 14:e0212738. [PMID: 30849082 PMCID: PMC6407783 DOI: 10.1371/journal.pone.0212738] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Accepted: 02/10/2019] [Indexed: 11/19/2022] Open
Abstract
We aim to identify physiologic regulators of dopamine (DA) signaling in obesity but previously did not find a compelling relationship with insulin sensitivity measured by oral-minimal model (OMM) and DA subtype 2 and 3 receptor (D2/3R) binding potential (BPND). Reduced disposition index (DI), a β-cell function metric that can also be calculated by OMM, was shown to predict a negative reward behavior that occurs in states of lower endogenous DA. We hypothesized that reduced DI would occur with higher D2/3R BPND, reflecting lower endogenous DA. Participants completed PET scanning, with a displaceable radioligand to measure D2/3R BPND, and a 5-hour oral glucose tolerance test to measure DI by OMM. We studied 26 age-similar females without (n = 8) and with obesity (n = 18) (22 vs 39 kg/m2). Reduced DI predicted increased striatal D2/3R BPND independent of BMI. By accounting for β-cell function, we were able to determine that the state of insulin and glucose metabolism is pertinent to striatal D2/3R BPND in obesity. Clinical Trial Registration Number: NCT00802204.
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Affiliation(s)
- Julia P. Dunn
- Department of Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee, United States of America
- Department of Medicine, Washington University School of Medicine, St. Louis, Missouri, United States of America
- Veterans Administration St. Louis Health Care System, St. Louis, Missouri, United States of America
- * E-mail:
| | - Naji N. Abumrad
- Department of Surgery, Vanderbilt University School of Medicine, Nashville, Tennessee, United States of America
| | - Bruce W. Patterson
- Department of Medicine, Washington University School of Medicine, St. Louis, Missouri, United States of America
| | - Robert M. Kessler
- Department of Radiology, Vanderbilt University School of Medicine, Nashville, Tennessee, United States of America
| | - Robyn A. Tamboli
- Department of Surgery, Vanderbilt University School of Medicine, Nashville, Tennessee, United States of America
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Corona CC, Zhang M, Wadhawan A, Daue ML, Groer MW, Dagdag A, Lowry CA, Hoisington AJ, Ryan KA, Stiller JW, Fuchs D, Mitchell BD, Postolache TT. Toxoplasma gondii IgG associations with sleep-wake problems, sleep duration and timing. Pteridines 2019; 30:1-9. [PMID: 30918422 PMCID: PMC6433149 DOI: 10.1515/pteridines-2019-0001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Background: Evidence links Toxoplasmagondii (T. gondii), a neurotropic parasite, with schizophrenia, mood disorders and suicidal behavior, all of which are associated and exacerbated by disrupted sleep. Moreover, low-grade immune activation and dopaminergic overstimulation, which are consequences of T. gondii infection, could alter sleep patterns and duration. Methods: Sleep data on 833 Amish participants [mean age (SD) = 44.28 (16.99) years; 59.06% women] were obtained via self-reported questionnaires that assessed sleep problems, duration and timing. T. gondii IgG was measured with ELISA. Data were analyzed using multivariable logistic regressions and linear mixed models, with adjustment for age, sex and family structure. Results: T. gondii seropositives reported less sleep problems (p < 0.005) and less daytime problems due to poor sleep (p < 0.005). Higher T. gondii titers were associated with longer sleep duration (p < 0.05), earlier bedtime (p< 0.005) earlier mid-sleep time (p < 0.05). Conclusions: It seems unlikely that sleep mediates the previously reported associations between T. gondii and mental illness. Future longitudinal studies with objective measures are necessary to replicate our findings.
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Affiliation(s)
- Celine C Corona
- Mood and Anxiety Program, Department of Psychiatry, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Man Zhang
- Division of Endocrinology, Diabetes and Nutrition, Department of Medicine, University of Maryland School of Medicine, Baltimers, MD 21201, USA
| | - Abhishek Wadhawan
- Mood and Anxiety Program, Department of Psychiatry, University of Maryland School of Medicine, Baltimore, MD 21201, USA, Saint Elizabeths Hospital, Psychiatry Residency Program, Washington, DC 20032, USA
| | - Melanie L Daue
- Division of Endocrinology, Diabetes and Nutrition, Department of Medicine, University of Maryland School of Medicine, Baltimers, MD 21201, USA, Program for Personalized and Genomic Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA, Geriatrics Research and Education Clinical Center, Veteran Affairs Medical Center, Baltimore, MD 21201, USA
| | - Maureen W Groer
- College of Nursing, University of South Florida College of Nursing, Tampa, FL 33612, USA
| | - Aline Dagdag
- Mood and Anxiety Program, Department of Psychiatry, University of Maryland School of Medicine, Baltimore, MD 21201, USA, Psychiatry Adult Inpatient & Behavioral Health, University of Maryland Medical Center, Baltimore, MD 21201, USA
| | - Christopher A Lowry
- Department of Integrative Physiology and Center for Neuroscience, University of Colorado Boulder, Boulder, CO 80309, USA; Department of Physical Medicine and Rehabilitation and Center for Neuroscience, University of Colorado Anschutz Medical Campus, Aurora, CO80045, USA, Rocky Mountain Mental Illness Research Education and Clinical Center (MIRECC), Veterans Integrated Service Network (VISN) 19, Military and Veteran. Microbiome: Consortium for Research and Education (MVM-CoRE), Aurora, CO80 045, USA
| | - Andrew J Hoisington
- Rocky Mountain Mental Illness Research Education and Clinical Center (MIRECC), Veterans Integrated Service Network (VISN) 19, Military and Veteran. Microbiome: Consortium for Research and Education (MVM-CoRE), Aurora, CO80 045, USA, Department of Systems Engineering and Management, Air Force Institute of Technology, Wright-Patterson AFB, OH 45433, USA
| | - Kathleen A Ryan
- Division of Endocrinology, Diabetes and Nutrition, Department of Medicine, University of Maryland School of Medicine, Baltimers, Md 21201, USA, Program for Personalized and Genomic Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - John W Stiller
- Mood and Anxiety Program, Department of Psychiatry, University of Maryland School of Medicine, Baltimore, MD 21201, USA, Saint Elizabeths Hospital, Department of Neurology, Washington DC 20032, USA; Maryland State Athletic Commission, Baltimore, MD 21202, USA
| | - Dietmar Fuchs
- Division of Biological Chemistry, Biocenter, Innsbruck Medical University, Innsbruck, Austria
| | - Braxton D Mitchell
- Division of Endocrinology, Diabetes and Nutrition, Department of Medicine, University of Maryland School of Medicine, Baltimers, MD 21201, USA, Program for Personalized and Genomic Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA, Geriatrics Research and Education Clinical Center, Veteran Affairs Medical Center, Baltimore, MD 21201, USA
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Byrne JEM, Tremain H, Leitan ND, Keating C, Johnson SL, Murray G. Circadian modulation of human reward function: Is there an evidentiary signal in existing neuroimaging studies? Neurosci Biobehav Rev 2019; 99:251-274. [PMID: 30721729 DOI: 10.1016/j.neubiorev.2019.01.025] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 01/22/2019] [Accepted: 01/24/2019] [Indexed: 12/22/2022]
Abstract
Reward functioning in animals is modulated by the circadian system, but such effects are poorly understood in the human case. The aim of this study was to address this deficit via a systematic review of human fMRI studies measuring one or more proxies for circadian function and a neural reward outcome. A narrative synthesis of 15 studies meeting inclusion criteria identified 13 studies that show a circadian impact on the human reward system, with four types of proxy (circadian system biology, downstream circadian rhythms, circadian challenge, and time of day) associated with neural reward activation. Specific reward-related regions/networks subserving this effect included the medial prefrontal cortex, ventral striatum, putamen and default mode network. The circadian effect was observed in measures of both reward anticipation and reward receipt, with more consistent evidence for the latter. Findings are limited by marked heterogeneity across study designs. We encourage a systematic program of research investigating circadian-reward interactions as an adapted biobehavioural feature and as an aetiological mechanism in reward-related pathologies.
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Affiliation(s)
- Jamie E M Byrne
- Centre for Mental Health, Swinburne University of Technology, PO Box 312 John St Hawthorn, VIC, 3122, Australia
| | - Hailey Tremain
- Centre for Mental Health, Swinburne University of Technology, PO Box 312 John St Hawthorn, VIC, 3122, Australia
| | - Nuwan D Leitan
- Centre for Mental Health, Swinburne University of Technology, PO Box 312 John St Hawthorn, VIC, 3122, Australia
| | - Charlotte Keating
- Centre for Mental Health, Swinburne University of Technology, PO Box 312 John St Hawthorn, VIC, 3122, Australia
| | - Sheri L Johnson
- Department of Psychology, University of California, Berkeley, 3210, Tolman Hall, Berkeley, CA, 94720-1650, USA
| | - Greg Murray
- Centre for Mental Health, Swinburne University of Technology, PO Box 312 John St Hawthorn, VIC, 3122, Australia.
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34
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Paul JR, Davis JA, Goode LK, Becker BK, Fusilier A, Meador-Woodruff A, Gamble KL. Circadian regulation of membrane physiology in neural oscillators throughout the brain. Eur J Neurosci 2019; 51:109-138. [PMID: 30633846 DOI: 10.1111/ejn.14343] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Revised: 12/19/2018] [Accepted: 12/21/2018] [Indexed: 12/21/2022]
Abstract
Twenty-four-hour rhythmicity in physiology and behavior are driven by changes in neurophysiological activity that vary across the light-dark and rest-activity cycle. Although this neural code is most prominent in neurons of the primary circadian pacemaker in the suprachiasmatic nucleus (SCN) of the hypothalamus, there are many other regions in the brain where region-specific function and behavioral rhythmicity may be encoded by changes in electrical properties of those neurons. In this review, we explore the existing evidence for molecular clocks and/or neurophysiological rhythms (i.e., 24 hr) in brain regions outside the SCN. In addition, we highlight the brain regions that are ripe for future investigation into the critical role of circadian rhythmicity for local oscillators. For example, the cerebellum expresses rhythmicity in over 2,000 gene transcripts, and yet we know very little about how circadian regulation drives 24-hr changes in the neural coding responsible for motor coordination. Finally, we conclude with a discussion of how our understanding of circadian regulation of electrical properties may yield insight into disease mechanisms which may lead to novel chronotherapeutic strategies in the future.
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Affiliation(s)
- Jodi R Paul
- Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Jennifer A Davis
- Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Lacy K Goode
- Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Bryan K Becker
- Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Allison Fusilier
- Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Aidan Meador-Woodruff
- Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Karen L Gamble
- Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham, Birmingham, Alabama
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Figorilli M, Congiu P, Lecca R, Gioi G, Frau R, Puligheddu M. Sleep in Parkinson's Disease with Impulse Control Disorder. Curr Neurol Neurosci Rep 2018; 18:68. [PMID: 30099617 DOI: 10.1007/s11910-018-0875-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
PURPOSE OF REVIEW This paper aims to explore the relationship between impulse-control disorders (ICDs) and sleep problems in patients with Parkinson's disease (PD) among scientific literature. RECENT FINDINGS Previously published results are controversial and sometimes inconclusive. ICDs and sleep disruption represent important non-motor features of Parkinson's disease, responsible for reducing quality of life and increasing burden of disease. The relationship between sleep problems and ICDs is complex and bidirectional. Indeed, sleep disturbances and fragmentation may play a crucial role in increasing susceptibility to impulsive behavior and may represent a risk factor for developing ICDs in PD patients. Moreover, REM sleep behavior disorder (RBD) and restless legs syndrome (RLS) have been indicated as independent risk factors for ICDs in PD patients. On the other hand, also ICDs may lead to sleep restriction and fragmentation, suggesting a bidirectional relationship. The association between sleep problems and ICDs in PD is far from being completely understood. Further studies are needed to confirm the nature of this relationship and its pathophysiology.
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Affiliation(s)
- Michela Figorilli
- Sleep Disorders Center, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - Patrizia Congiu
- Sleep Disorders Center, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - Rosa Lecca
- Sleep Disorders Center, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - Gioia Gioi
- Sleep Disorders Center, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - Roberto Frau
- Department of Biomedical Sciences, Division of Neuroscience and Clinical Pharmacology, University of Cagliari, Cagliari, Italy
| | - Monica Puligheddu
- Sleep Disorders Center, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy.
- Sleep Disorder Centre, Department of Public Health and Clinical and Molecular Medicine, University of Cagliari, ss 554 bivio Sestu 09042 Monserrato, Cagliari, Italy.
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36
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Clough SJ, Hudson RL, Dubocovich ML. Food-induced reinforcement is abrogated by the genetic deletion of the MT 1 or MT 2 melatonin receptor in C3H/HeN mice. Behav Brain Res 2018; 343:28-35. [PMID: 29374562 PMCID: PMC5842708 DOI: 10.1016/j.bbr.2018.01.027] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Revised: 12/17/2017] [Accepted: 01/22/2018] [Indexed: 01/08/2023]
Abstract
Palatable food is known for its ability to enhance reinforcing responses. Studies have suggested a circadian variation in both drug and natural reinforcement, with each following its own time course. The goal of this study was to determine the role of the MT1 and MT2 melatonin receptors in palatable snack food-induced reinforcement, as measured by the conditioned place preference (CPP) paradigm during the light and dark phases. C3H/HeN wild-type mice were trained for snack food-induced CPP at either ZT 6 - 8 (ZT: Zeitgeber time; ZT 0 = lights on), when endogenous melatonin levels are low, or ZT 19 - 21, when melatonin levels are high. These time points also correspond to the high and low points for expression of the circadian gene Period1, respectively. The amount of snack food (chow, Cheetos®, Froot Loops® and Oreos®) consumed was of similar magnitude at both times, however only C3H/HeN mice conditioned to snack food at ZT 6 - 8 developed a place preference. C3H/HeN mice with a genetic deletion of either the MT1 (MT1KO) or MT2 (MT2KO) receptor tested at ZT 6 - 8 did not develop a place preference for snack food. Although the MT2KO mice showed a similar amount of snack food consumed when compared to wild-type mice, the MT1KO mice consumed significantly less than either genotype. We conclude that in our mouse model snack food-induced CPP is dependent on time of day and the presence of the MT1 or MT2 receptors, suggesting a role for melatonin and its receptors in snack food-induced reinforcement.
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MESH Headings
- Animals
- Conditioning, Psychological/physiology
- Feeding Behavior/physiology
- Feeding Behavior/psychology
- Food
- Male
- Mice, Inbred C3H
- Mice, Inbred C57BL
- Mice, Knockout
- Photoperiod
- Receptor, Melatonin, MT1/deficiency
- Receptor, Melatonin, MT1/genetics
- Receptor, Melatonin, MT2/deficiency
- Receptor, Melatonin, MT2/genetics
- Reinforcement, Psychology
- Spatial Behavior/physiology
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Affiliation(s)
- Shannon J Clough
- Department of Pharmacology & Toxicology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY 14214, United States
| | - Randall L Hudson
- Department of Physiology & Biophysics, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY 14214, United States
| | - Margarita L Dubocovich
- Department of Pharmacology & Toxicology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY 14214, United States.
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Gulick D, Gamsby JJ. Racing the clock: The role of circadian rhythmicity in addiction across the lifespan. Pharmacol Ther 2018; 188:124-139. [PMID: 29551440 DOI: 10.1016/j.pharmthera.2018.03.003] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Although potent effects of psychoactive drugs on circadian rhythms were first described over 30 years ago, research into the reciprocal relationship between the reward system and the circadian system - and the impact of this relationship on addiction - has only become a focus in the last decade. Nonetheless, great progress has been made in that short time toward understanding how drugs of abuse impact the molecular and physiological circadian clocks, as well as how disruption of normal circadian rhythm biology may contribute to addiction and ameliorate the efficacy of treatments for addiction. In particular, data have emerged demonstrating that disrupted circadian rhythms, such as those observed in shift workers and adolescents, increase susceptibility to addiction. Furthermore, circadian rhythms and addiction impact one another longitudinally - specifically from adolescence to the elderly. In this review, the current understanding of how the circadian clock interacts with substances of abuse within the context of age-dependent changes in rhythmicity, including the potential existence of a drug-sensitive clock, the correlation between chronotype and addiction vulnerability, and the importance of rhythmicity in the mesocorticolimbic dopamine system, is discussed. The primary focus is on alcohol addiction, as the preponderance of research is in this area, with references to other addictions as warranted. The implications of clock-drug interactions for the treatment of addiction will also be reviewed, and the potential of therapeutics that reset the circadian rhythm will be highlighted.
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Affiliation(s)
- Danielle Gulick
- Byrd Alzheimer's Institute, University of South Florida Health, Tampa, FL, USA; Department of Molecular Medicine, Morsani College of Medicine, University of South Florida, Tampa, FL, USA.
| | - Joshua J Gamsby
- Byrd Alzheimer's Institute, University of South Florida Health, Tampa, FL, USA; Department of Molecular Medicine, Morsani College of Medicine, University of South Florida, Tampa, FL, USA
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Jacobsen JHW, Buisman-Pijlman FTA, Mustafa S, Rice KC, Hutchinson MR. The efficacy of (+)-Naltrexone on alcohol preference and seeking behaviour is dependent on light-cycle. Brain Behav Immun 2018; 67:181-193. [PMID: 28864261 PMCID: PMC7387101 DOI: 10.1016/j.bbi.2017.08.021] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Revised: 08/18/2017] [Accepted: 08/28/2017] [Indexed: 02/06/2023] Open
Abstract
Circadian rhythm affects drug-induced reward behaviour and the innate immune system. Peaks in reward-associated behaviour and immune responses typically occur during the active (dark) phase of rodents. While the role of the immune system, specifically, Toll-like receptor 4 (TLR4, an innate immune receptor) in drug-induced reward is becoming increasingly appreciated, it is unclear whether its effects vary according to light-cycle. Therefore, the aim of this study was to characterise the effects of the phase of the light-cycle and the state of the innate immune system on alcohol reward behaviour and subsequently determine whether the efficacy of targeting the immune component of drug reward depends upon the light-cycle. This study demonstrates that mice exhibit greater alcohol-induced conditioned place preference and alcohol two-bottle choice preference during the dark cycle. This effect overlapped with elevations in reward-, thirst- and immune-related genes. Administration of (+)-Naltrexone, a TLR4 antagonist, reduced immune-related gene mRNA expression and alcohol preference with its effects most pronounced during the dark cycle. However, (+)-Naltrexone, like other TLR4 antagonists exhibited off-target side effects, with a significant reduction in overall saccharin intake - an effect likely attributable to a reduction in tyrosine hydroxylase (Th) mRNA expression levels. Collectively, the study highlights a link between a time-of-day dependent influence of TLR4 on natural and alcohol reward-like behaviour in mice.
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Affiliation(s)
- Jonathan Henry W Jacobsen
- Discipline of Pharmacology, Adelaide Medical School, University of Adelaide, South Australia, Australia
| | - Femke T A Buisman-Pijlman
- Discipline of Pharmacology, Adelaide Medical School, University of Adelaide, South Australia, Australia
| | - Sanam Mustafa
- Discipline of Physiology, Adelaide Medical School, University of Adelaide, South Australia, Australia; ARC Centre of Excellence for Nanoscale Biophotonics, University of Adelaide, South Australia, Australia
| | - Kenner C Rice
- Drug Design and Synthesis Section, NIDA, Rockville, MD, USA
| | - Mark R Hutchinson
- Discipline of Physiology, Adelaide Medical School, University of Adelaide, South Australia, Australia; ARC Centre of Excellence for Nanoscale Biophotonics, University of Adelaide, South Australia, Australia.
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Beloate LN, Coolen LM. Influences of social reward experience on behavioral responses to drugs of abuse: Review of shared and divergent neural plasticity mechanisms for sexual reward and drugs of abuse. Neurosci Biobehav Rev 2017; 83:356-372. [DOI: 10.1016/j.neubiorev.2017.10.024] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2016] [Revised: 10/13/2017] [Accepted: 10/17/2017] [Indexed: 10/25/2022]
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Sasaki T. Neural and Molecular Mechanisms Involved in Controlling the Quality of Feeding Behavior: Diet Selection and Feeding Patterns. Nutrients 2017; 9:nu9101151. [PMID: 29053636 PMCID: PMC5691767 DOI: 10.3390/nu9101151] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Revised: 10/12/2017] [Accepted: 10/13/2017] [Indexed: 12/20/2022] Open
Abstract
We are what we eat. There are three aspects of feeding: what, when, and how much. These aspects represent the quantity (how much) and quality (what and when) of feeding. The quantitative aspect of feeding has been studied extensively, because weight is primarily determined by the balance between caloric intake and expenditure. In contrast, less is known about the mechanisms that regulate the qualitative aspects of feeding, although they also significantly impact the control of weight and health. However, two aspects of feeding quality relevant to weight loss and weight regain are discussed in this review: macronutrient-based diet selection (what) and feeding pattern (when). This review covers the importance of these two factors in controlling weight and health, and the central mechanisms that regulate them. The relatively limited and fragmented knowledge on these topics indicates that we lack an integrated understanding of the qualitative aspects of feeding behavior. To promote better understanding of weight control, research efforts must focus more on the mechanisms that control the quality and quantity of feeding behavior. This understanding will contribute to improving dietary interventions for achieving weight control and for preventing weight regain following weight loss.
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Affiliation(s)
- Tsutomu Sasaki
- Laboratory for Metabolic Signaling, Institute for Molecular and Cellular Regulation, Gunma University, 3-39-15 Showa-machi, Maebashi, Gunma 371-8512, Japan.
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Kim J, Jang S, Choe HK, Chung S, Son GH, Kim K. Implications of Circadian Rhythm in Dopamine and Mood Regulation. Mol Cells 2017; 40:450-456. [PMID: 28780783 PMCID: PMC5547214 DOI: 10.14348/molcells.2017.0065] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Revised: 07/28/2017] [Accepted: 07/28/2017] [Indexed: 11/30/2022] Open
Abstract
Mammalian physiology and behavior are regulated by an internal time-keeping system, referred to as circadian rhythm. The circadian timing system has a hierarchical organization composed of the master clock in the suprachiasmatic nucleus (SCN) and local clocks in extra-SCN brain regions and peripheral organs. The circadian clock molecular mechanism involves a network of transcription-translation feedback loops. In addition to the clinical association between circadian rhythm disruption and mood disorders, recent studies have suggested a molecular link between mood regulation and circadian rhythm. Specifically, genetic deletion of the circadian nuclear receptor Rev-erbα induces mania-like behavior caused by increased midbrain dopaminergic (DAergic) tone at dusk. The association between circadian rhythm and emotion-related behaviors can be applied to pathological conditions, including neurodegenerative diseases. In Parkinson's disease (PD), DAergic neurons in the substantia nigra pars compacta progressively degenerate leading to motor dysfunction. Patients with PD also exhibit non-motor symptoms, including sleep disorder and neuropsychiatric disorders. Thus, it is important to understand the mechanisms that link the molecular circadian clock and brain machinery in the regulation of emotional behaviors and related midbrain DAergic neuronal circuits in healthy and pathological states. This review summarizes the current literature regarding the association between circadian rhythm and mood regulation from a chronobiological perspective, and may provide insight into therapeutic approaches to target psychiatric symptoms in neurodegenerative diseases involving circadian rhythm dysfunction.
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Affiliation(s)
- Jeongah Kim
- Department of Brain and Cognitive Sciences, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988,
Korea
- Department of Biological Sciences, College of Natural Sciences, Seoul National University, Seoul 08826,
Korea
| | - Sangwon Jang
- Department of Brain and Cognitive Sciences, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988,
Korea
| | - Han Kyoung Choe
- Department of Brain and Cognitive Sciences, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988,
Korea
| | - Sooyoung Chung
- Department of Brain and Cognitive Sciences, Scranton College, Ewha Womans University, Seoul 03760,
Korea
| | - Gi Hoon Son
- Department of Biomedical Sciences, College of Medicine, Korea University, Seoul 02473,
Korea
| | - Kyungjin Kim
- Department of Brain and Cognitive Sciences, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988,
Korea
- Korea Brain Research Institute (KBRI), Daegu 41068,
Korea
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Mendoza J. Circadian neurons in the lateral habenula: Clocking motivated behaviors. Pharmacol Biochem Behav 2017; 162:55-61. [PMID: 28666896 DOI: 10.1016/j.pbb.2017.06.013] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Revised: 03/30/2017] [Accepted: 06/26/2017] [Indexed: 12/31/2022]
Abstract
The main circadian clock in mammals is located in the hypothalamic suprachiasmatic nucleus (SCN), however, central timing mechanisms are also present in other brain structures beyond the SCN. The lateral habenula (LHb), known for its important role in the regulation of the monoaminergic system, contains such a circadian clock whose molecular and cellular mechanisms as well as functional role are not well known. However, since monoaminergic systems show circadian activity, it is possible that the LHb-clock's role is to modulate the rhythmic activity of the dopamine, serotonin and norephinephrine systems, and associated behaviors. Moreover, the LHb is involved in different pathological states such as depression, addiction and schizophrenia, states in which sleep and circadian alterations have been reported. Thus, perturbations of circadian activity in the LHb might, in part, be a cause of these rhythmic alterations in psychiatric ailments. In this review the current state of the LHb clock and its possible implications in the control of monoaminergic systems rhythms, motivated behaviors (e.g., feeding, drug intake) and depression (with circadian disruptions and altered motivation) will be discussed.
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Affiliation(s)
- Jorge Mendoza
- Institute of Cellular and Integrative Neuroscience, CNRS-UPR 3212 Strasbourg France, 5 rue Blaise Pascal, 67084 cedex Strasbourg, France.
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Abstract
Over the past 20years, substantive research has firmly implicated the lateral habenula in myriad neural processes including addiction, depression, and sleep. More recently, evidence has emerged suggesting that the lateral habenula is a component of the brain's intrinsic daily or circadian timekeeping system. This system centers on the master circadian pacemaker in the suprachiasmatic nuclei of the hypothalamus that is synchronized to the external world through environmental light information received directly from the eye. Rhythmic clock gene expression in suprachiasmatic neurons drives variation in their electrical activity enabling communication of temporal information, and the organization of circadian rhythms in downstream targets. Here, we review the evidence implicating the lateral habenula as part of an extended neural circadian system. We consider findings suggesting that the lateral habenula is a recipient of circadian signals from the suprachiasmatic nuclei as well as light information from the eye. Further we examine the proposition that the lateral habenula itself expresses intrinsic clock gene and neuronal rhythms. We then speculate on how circadian information communicated from the lateral habenula could influence activity and function in downstream targets such as the ventral tegmental area and raphe nuclei.
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Affiliation(s)
| | - Hugh D Piggins
- Faculty of Biology, Medicine and Health, University of Manchester, M13 9PT, UK.
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Korshunov KS, Blakemore LJ, Trombley PQ. Dopamine: A Modulator of Circadian Rhythms in the Central Nervous System. Front Cell Neurosci 2017; 11:91. [PMID: 28420965 PMCID: PMC5376559 DOI: 10.3389/fncel.2017.00091] [Citation(s) in RCA: 91] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Accepted: 03/15/2017] [Indexed: 01/11/2023] Open
Abstract
Circadian rhythms are daily rhythms that regulate many biological processes – from gene transcription to behavior – and a disruption of these rhythms can lead to a myriad of health risks. Circadian rhythms are entrained by light, and their 24-h oscillation is maintained by a core molecular feedback loop composed of canonical circadian (“clock”) genes and proteins. Different modulators help to maintain the proper rhythmicity of these genes and proteins, and one emerging modulator is dopamine. Dopamine has been shown to have circadian-like activities in the retina, olfactory bulb, striatum, midbrain, and hypothalamus, where it regulates, and is regulated by, clock genes in some of these areas. Thus, it is likely that dopamine is essential to mechanisms that maintain proper rhythmicity of these five brain areas. This review discusses studies that showcase different dopaminergic mechanisms that may be involved with the regulation of these brain areas’ circadian rhythms. Mechanisms include how dopamine and dopamine receptor activity directly and indirectly influence clock genes and proteins, how dopamine’s interactions with gap junctions influence daily neuronal excitability, and how dopamine’s release and effects are gated by low- and high-pass filters. Because the dopamine neurons described in this review also release the inhibitory neurotransmitter GABA which influences clock protein expression in the retina, we discuss articles that explore how GABA may contribute to the actions of dopamine neurons on circadian rhythms. Finally, to understand how the loss of function of dopamine neurons could influence circadian rhythms, we review studies linking the neurodegenerative disease Parkinson’s Disease to disruptions of circadian rhythms in these five brain areas. The purpose of this review is to summarize growing evidence that dopamine is involved in regulating circadian rhythms, either directly or indirectly, in the brain areas discussed here. An appreciation of the growing evidence of dopamine’s influence on circadian rhythms may lead to new treatments including pharmacological agents directed at alleviating the various symptoms of circadian rhythm disruption.
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Affiliation(s)
- Kirill S Korshunov
- Program in Neuroscience, Florida State University,Tallahassee, FL, USA.,Department of Biological Science, Florida State University,Tallahassee, FL, USA
| | - Laura J Blakemore
- Program in Neuroscience, Florida State University,Tallahassee, FL, USA.,Department of Biological Science, Florida State University,Tallahassee, FL, USA
| | - Paul Q Trombley
- Program in Neuroscience, Florida State University,Tallahassee, FL, USA.,Department of Biological Science, Florida State University,Tallahassee, FL, USA
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Voluntary inhalation of methamphetamine: a novel strategy for studying intake non-invasively. Psychopharmacology (Berl) 2017; 234:739-747. [PMID: 28028601 DOI: 10.1007/s00213-016-4510-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Accepted: 12/11/2016] [Indexed: 12/12/2022]
Abstract
RATIONALE The abuse of the psychostimulant methamphetamine (MA) is associated with substantial costs and limited treatment options. To understand the mechanisms that lead to abuse, animal models of voluntary drug intake are crucial. OBJECTIVES We aimed to develop a protocol to study long-term non-invasive voluntary intake of MA in mice. METHODS Mice were maintained in their home cages and allowed daily 1 h access to an attached tunnel leading to a test chamber in which nebulized MA was available. Restated, if they went to the nebulizing chamber, they self-administered MA by inhalation. This protocol was compared to injected and to imposed exposure to nebulized MA, in a series of seven experiments. RESULTS We established a concentration of nebulized MA at which motor activity increases following voluntary intake resembled that following MA injection and imposed inhalation. We found that mice regulated their exposure to MA, self-administering for shorter durations when concentrations of nebulized MA were increased. Mice acquire the available MA by repeatedly running in and out of the nebulizing chamber for brief bouts of intake. Such exposure to nebulized MA elevated plasma MA levels. There was limited evidence of sensitization of locomotor activity. Finally, blocking access to the wheel did not affect time spent in the nebulizing chamber. CONCLUSIONS We conclude that administration of MA by nebulization is an effective route of self-administration, and our new protocol represents a promising tool for examining the transitions from first intake to long-term use and its behavioral and neural consequences in a non-invasive protocol.
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Blancas-Velazquez A, Mendoza J, Garcia AN, la Fleur SE. Diet-Induced Obesity and Circadian Disruption of Feeding Behavior. Front Neurosci 2017; 11:23. [PMID: 28223912 PMCID: PMC5293780 DOI: 10.3389/fnins.2017.00023] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Accepted: 01/12/2017] [Indexed: 12/13/2022] Open
Abstract
Feeding behavior shows a rhythmic daily pattern, which in nocturnal rodents is observed mainly during the dark period. This rhythmicity is under the influence of the hypothalamic suprachiasmatic nucleus (SCN), the main biological clock. Nevertheless, various studies have shown that in rodent models of obesity, using high-energy diets, the general locomotor activity and feeding rhythms can be disrupted. Here, we review the data on the effects of diet-induced obesity (DIO) on locomotor activity and feeding patterns, as well as the effect on the brain sites within the neural circuitry involved in metabolic and rewarding feeding behavior. In general, DIO may alter locomotor activity by decreasing total activity. On the other hand, DIO largely alters eating patterns, producing increased overall ingestion and number of eating bouts that can extend to the resting period. Furthermore, within the hypothalamic areas, little effect has been reported on the molecular circadian mechanism in DIO animals with ad libitum hypercaloric diets and little or no data exist so far on its effects on the reward system areas. We further discuss the possibility of an uncoupling of metabolic and reward systems in DIO and highlight a gap of circadian and metabolic research that may help to better understand the implications of obesity.
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Affiliation(s)
- Aurea Blancas-Velazquez
- Institute of Cellular and Integrative Neurosciences, Centre National de la Recherche Scientifique UPR-3212, University of StrasbourgStrasbourg, France; Department of Endocrinology and Metabolism, Academic Medical Center, University of AmsterdamAmsterdam, Netherlands; Metabolism and Reward Group, Netherlands Institute for NeuroscienceAmsterdam, Netherlands
| | - Jorge Mendoza
- Institute of Cellular and Integrative Neurosciences, Centre National de la Recherche Scientifique UPR-3212, University of Strasbourg Strasbourg, France
| | - Alexandra N Garcia
- Department of Endocrinology and Metabolism, Academic Medical Center, University of AmsterdamAmsterdam, Netherlands; Metabolism and Reward Group, Netherlands Institute for NeuroscienceAmsterdam, Netherlands
| | - Susanne E la Fleur
- Department of Endocrinology and Metabolism, Academic Medical Center, University of AmsterdamAmsterdam, Netherlands; Metabolism and Reward Group, Netherlands Institute for NeuroscienceAmsterdam, Netherlands
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Abstract
Reward-related learning, including that associated with drugs of abuse, is largely mediated by the dopaminergic mesolimbic pathway. Mesolimbic neurophysiology and motivated behavior, in turn, are modulated by the circadian timing system which generates ∼24-h rhythms in cellular activity. Both drug taking and seeking and mesolimbic dopaminergic neurotransmission can vary widely over the day. Moreover, circadian clock genes are expressed in ventral tegmental area dopaminergic cells and in mesolimbic target regions where they can directly modulate reward-related neurophysiology and behavior. There also exists a reciprocal influence between drug taking and circadian timing as the administration of drugs of abuse can alter behavioral rhythms and circadian clock gene expression in mesocorticolimbic structures. These interactions suggest that manipulations of the circadian timing system may have some utility in the treatment of substance abuse disorders. Here, the literature on bidirectional interactions between the circadian timing system and drug taking is briefly reviewed, and potential chronotherapeutic considerations for the treatment of addiction are discussed.
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Rapanelli M, Frick LR, Horn KD, Schwarcz RC, Pogorelov V, Nairn AC, Pittenger C. The Histamine H3 Receptor Differentially Modulates Mitogen-activated Protein Kinase (MAPK) and Akt Signaling in Striatonigral and Striatopallidal Neurons. J Biol Chem 2016; 291:21042-21052. [PMID: 27510032 DOI: 10.1074/jbc.m116.731406] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Indexed: 01/11/2023] Open
Abstract
The basal ganglia have a central role in motor patterning, habits, motivated behaviors, and cognition as well as in numerous neuropsychiatric disorders. Receptors for histamine, especially the H3 receptor (H3R), are highly expressed in the striatum, the primary input nucleus of the basal ganglia, but their effects on this circuitry have been little explored. H3R interacts with dopamine (DA) receptors ex vivo; the nature and functional importance of these interactions in vivo remain obscure. We found H3R activation with the agonist R-(-)-α-methylhistamine to produce a unique time- and cell type-dependent profile of molecular signaling events in the striatum. H3 agonist treatment did not detectably alter extracellular DA levels or signaling through the cAMP/DARPP-32 signaling pathway in either D1- or D2-expressing striatal medium spiny neurons (MSNs). In D1-MSNs, H3 agonist treatment transiently activated MAPK signaling and phosphorylation of rpS6 and led to phosphorylation of GSK3β-Ser9, a novel effect. Consequences of H3 activation in D2-MSNs were completely different. MAPK signaling was unchanged, and GSK3β-Ser9 phosphorylation was reduced. At the behavioral level, two H3 agonists had no significant effect on locomotion or stereotypy, but they dramatically attenuated the locomotor activation produced by the D1 agonist SKF82958. H3 agonist co-administration blocked the activation of MAPK signaling and the phosphorylation of rpS6 produced by D1 activation in D1-MSNs, paralleling behavioral effects. In contrast, GSK3β-Ser9 phosphorylation was seen only after H3 agonist treatment, with no interactive effects. H3R signaling has been neglected in models of basal ganglia function and has implications for a range of pathophysiologies.
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Affiliation(s)
| | | | | | - Rivka C Schwarcz
- Graduate Program in Cell Biology, Yale University, New Haven, Connecticut 06519
| | | | | | - Christopher Pittenger
- From the Departments Psychiatry and Interdepartmental Neuroscience Program, and Psychology, Child Study Center,
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Parekh PK, McClung CA. Circadian Mechanisms Underlying Reward-Related Neurophysiology and Synaptic Plasticity. Front Psychiatry 2016; 6:187. [PMID: 26793129 PMCID: PMC4709415 DOI: 10.3389/fpsyt.2015.00187] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Accepted: 12/21/2015] [Indexed: 12/18/2022] Open
Abstract
Evidence from clinical and preclinical research provides an undeniable link between disruptions in the circadian clock and the development of psychiatric diseases, including mood and substance abuse disorders. The molecular clock, which controls daily patterns of physiological and behavioral activity in living organisms, when desynchronized, may exacerbate or precipitate symptoms of psychiatric illness. One of the outstanding questions remaining in this field is that of cause and effect in the relationship between circadian rhythm disruption and psychiatric disease. Focus has recently turned to uncovering the role of circadian proteins beyond the maintenance of homeostatic systems and outside of the suprachiasmatic nucleus (SCN), the master pacemaker region of the brain. In this regard, several groups, including our own, have sought to understand how circadian proteins regulate mechanisms of synaptic plasticity and neurotransmitter signaling in mesocorticolimbic brain regions, which are known to be critically involved in reward processing and mood. This regulation can come in the form of direct transcriptional control of genes central to mood and reward, including those associated with dopaminergic activity in the midbrain. It can also be seen at the circuit level through indirect connections of mesocorticolimbic regions with the SCN. Circadian misalignment paradigms as well as genetic models of circadian disruption have helped to elucidate some of the complex interactions between these systems and neural activity influencing behavior. In this review, we explore findings that link circadian protein function with synaptic adaptations underlying plasticity as it may contribute to the development of mood disorders and addiction. In light of recent advances in technology and sophisticated methods for molecular and circuit-level interrogation, we propose future directions aimed at teasing apart mechanisms through which the circadian system modulates mood and reward-related behavior.
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Affiliation(s)
- Puja K. Parekh
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Colleen A. McClung
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
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Radwan B, Liu H, Chaudhury D. Regulation and Modulation of Depression-Related Behaviours: Role of Dopaminergic Neurons. DOPAMINE AND SLEEP 2016:147-190. [DOI: 10.1007/978-3-319-46437-4_8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/19/2023]
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