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Foo JC, Skorodumov I, Spanagel R, Meinhardt MW. Sex- and age-specific effects on the development of addiction and compulsive-like drinking in rats. Biol Sex Differ 2023; 14:44. [PMID: 37420305 PMCID: PMC10327342 DOI: 10.1186/s13293-023-00529-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Accepted: 06/27/2023] [Indexed: 07/09/2023] Open
Abstract
BACKGROUND Biological factors are known to influence disease trajectories and treatment effectiveness in alcohol addiction and preclinical and clinical evidence suggests that sex is an important factor influencing disease dynamics in alcohol dependence. Another critical factor is age at first intoxicating drink, which has been identified as a risk factor for later alcohol binging. Preclinical research allows prospective monitoring of rodents throughout the lifespan, providing very detailed information that cannot be acquired in humans. Lifetime monitoring in rodents can be conducted under highly controlled conditions, during which one can systematically introduce multiple biological and environmental factors that impact behaviors of interest. METHODS Here, we used the alcohol deprivation effect (ADE) rat model of alcohol addiction in a computerized drinkometer system, acquiring high-resolution data to study changes over the course of addictive behavior as well as compulsive-like drinking in cohorts of adolescent vs. adult as well as male vs. female rats. RESULTS Female rats drank more alcohol than male rats during the whole experiment, drinking much more weak alcohol (5%) and similar amounts of stronger alcohol solutions (10%, 20%); female rats also consumed more alcohol than male rats during quinine taste adulteration. Increased consumption in females compared to males was driven by larger access sizes of alcohol. Differences in circadian patterns of movement were observed between groups. Early age of onset of drinking (postnatal day 40) in male rats had surprisingly little impact on the development of drinking behavior and compulsivity (quinine taste adulteration) when compared to rats that started drinking during early adulthood (postnatal day 72). CONCLUSIONS Our results suggest that there are sex-specific drinking patterns, not only in terms of total amount consumed, but specifically in terms of solution preference and access size. These findings provide a better understanding of sex and age factors involved in the development of drinking behavior, and can inform the preclinical development of models of addiction, drug development and exploration of options for new treatments.
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Affiliation(s)
- Jerome C. Foo
- Department of Genetic Epidemiology in Psychiatry, Medical Faculty Mannheim, Central Institute of Mental Health, University of Heidelberg, Mannheim, Germany
- Institute for Psychopharmacology, Medical Faculty Mannheim, Central Institute of Mental Health, University of Heidelberg, Mannheim, Germany
| | - Ivan Skorodumov
- Institute for Psychopharmacology, Medical Faculty Mannheim, Central Institute of Mental Health, University of Heidelberg, Mannheim, Germany
| | - Rainer Spanagel
- Institute for Psychopharmacology, Medical Faculty Mannheim, Central Institute of Mental Health, University of Heidelberg, Mannheim, Germany
| | - Marcus W. Meinhardt
- Institute for Psychopharmacology, Medical Faculty Mannheim, Central Institute of Mental Health, University of Heidelberg, Mannheim, Germany
- Department of Molecular Neuroimaging, Medical Faculty Mannheim, Central Institute of Mental Health, University of Heidelberg, Mannheim, Germany
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Xiang Y, Huang J, Wang Y, Huang X, Zeng Q, Li L, Zhao Y, Pan H, Xu Q, Liu Z, Sun Q, Wang J, Tan J, Shen L, Jiang H, Yan X, Li J, Tang B, Guo J. Evaluating the Genetic Role of Circadian Clock Genes in Parkinson's Disease. Mol Neurobiol 2023; 60:2729-2736. [PMID: 36717479 DOI: 10.1007/s12035-023-03243-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 01/21/2023] [Indexed: 02/01/2023]
Abstract
Increasing evidence suggests that circadian dysfunction is related to Parkinson's disease (PD). However, the role of circadian clock genes in PD is still poorly understood. This study aimed to illustrate the association between genetic variants of circadian clock genes and PD in a large Chinese population cohort. Ten circadian clock genes were included in this study. Whole-exome sequencing (WES) was conducted in 1997 early-onset or familial PD patients and 1652 controls (WES cohort), and whole-genome sequencing (WGS) was conducted in 1962 sporadic late-onset PD patients and 1279 controls (WGS cohort). Analyses were completed using the optimized sequence kernel association test and regression analyses. In the burden analysis of the circadian clock gene set, we found suggestive significant associations between the circadian clock genes and PD in the WES cohort when considering missense, damaging missense (Dmis), and deleterious variants. Moreover, the burden analysis of single genes revealed suggestive significant associations between PD and the loss-of-function variants of the CRY1 gene, missense, Dmis, and deleterious variants of the PER1 gene, and Dmis and deleterious variants of the PER2 gene in the WES cohort. Rare variants in the WGS cohort and all common variants in the WGS and WES cohorts were unrelated to PD. Phenotypic analysis indicated that deleterious variants of the PER1 gene were associated with dyskinesia in the WES cohort. Our study provides evidence of a potential link between circadian clock genes and PD from a genetic perspective.
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Affiliation(s)
- Yaqin Xiang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - JuanJuan Huang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yige Wang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - XiuRong Huang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Qian Zeng
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Lizhi Li
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yuwen Zhao
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Hongxu Pan
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Qian Xu
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Zhenhua Liu
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Qiying Sun
- Department of Geriatrics, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Junling Wang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jieqiong Tan
- Key Laboratory of Hunan Province in Neurodegenerative Disorders, Central South University, Changsha, Hunan, China
| | - Lu Shen
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Hong Jiang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xinxiang Yan
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jinchen Li
- Department of Geriatrics, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Centre for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Centre for Medical Genetics, Central South University, Changsha, China
| | - Beisha Tang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Key Laboratory of Hunan Province in Neurodegenerative Disorders, Central South University, Changsha, Hunan, China
- National Clinical Research Centre for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Centre for Medical Genetics, Central South University, Changsha, China
| | - Jifeng Guo
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China.
- Key Laboratory of Hunan Province in Neurodegenerative Disorders, Central South University, Changsha, Hunan, China.
- National Clinical Research Centre for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China.
- Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Centre for Medical Genetics, Central South University, Changsha, China.
- Hunan International Scientific and Technological Cooperation Base of Neurodegenerative and Neurogenetic Diseases, Changsha, China.
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Screen use before sleep and emotional problems among adolescents: Preliminary evidence of mediating effect of chronotype and social jetlag. J Affect Disord 2023; 328:175-182. [PMID: 36806592 DOI: 10.1016/j.jad.2023.02.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 01/28/2023] [Accepted: 02/12/2023] [Indexed: 02/18/2023]
Abstract
BACKGROUND Screen use before sleep is shown to be positively related to emotional problems. However, whether this relationship was mediated by circadian phenotypes (i.e., chronotype and social jetlag) remains unclear. METHODS Data from two independent adolescent surveys among 2685 and 1368 adolescents, respectively, were used. Adolescents reported screen use before sleep (yes/no and screen time), chronotype, social jetlag, and emotional problems using questionnaires. Serial mediation analyses were performed. RESULTS Adolescents who reported screen use before sleep showed later chronotype and greater social jetlag, which was further associated with a higher level of emotional problems. Such relationships held for screen use as a yes/no variable and screen time. The serial indirect effect of chronotype and social jetlag accounted for 6.2%-16.7% of the total effect of screen use before sleep on emotional problems. LIMITATIONS The use of a cross-sectional design did not allow the establishment of causal links between the variables. All data were self-reported by adolescents, and might be subject to report bias and recall bias. CONCLUSIONS These findings contributed to the existing literature by examining the mediating effect of chronotype and social jetlag in the relationship between screen use before sleep and emotional problems from a circadian rhythm perspective. Healthy media use habits and interventions targeting circadian characteristics may work towards promoting emotional health in adolescents.
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Foo JC, Meinhardt MW, Skorodumov I, Spanagel R. Alcohol solution strength preference predicts compulsive-like drinking behavior in rats. Alcohol Clin Exp Res 2022; 46:1710-1719. [PMID: 35871774 DOI: 10.1111/acer.14910] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 06/09/2022] [Accepted: 07/11/2022] [Indexed: 01/31/2023]
Abstract
BACKGROUND Understanding compulsive drinking behavior is key to improving outcomes in the treatment of addiction. In the present study, we investigated compulsive-like drinking in alcohol-addicted rats using the alcohol deprivation effect (ADE) model of relapse behavior, which involves repeated deprivation and reintroduction phases; the latter approximate relapse. METHODS High-resolution longitudinal drinking and locomotor data were measured while rats (n = 30) underwent a four-bottle (water, 5%, 10%, 20% alcohol v/v) free-choice ADE paradigm. Alcohol bottles were adulterated with the bitter compound quinine during a reintroduction phase to test for compulsive behavior. We characterized how drinking and locomotor behavior during ADE + quinine differed from a regular ADE and how, at the individual level, behavioral parameters extracted from the regular ADE related to compulsive-like drinking. Associations of drinking with locomotor activity were also examined. RESULTS In the ADE with quinine, we observed reduced consumption of alcohol and a shift to preference for stronger alcohol. Quinine acted by decreasing both the access size and frequency of drinking of 5% alcohol while increasing the frequency of consumption of 20% alcohol. Preference for higher alcohol concentrations prior to the quinine challenge was associated with greater compulsive-like drinking behavior; higher baseline consumption of 20% alcohol correlated with more drinking of quinine-adulterated solutions while high frequency and amount of 5% alcohol consumption at baseline were correlated with being more strongly affected by quinine. Associations between locomotor activity and drinking behavior were observed at the hourly level. These associations reflected changing preferences across experimental phases. CONCLUSION Drinking patterns, and specifically solution preference, may offer insights into the presentation of compulsive-like drinking. The findings provide a preclinical basis for observations from epidemiological studies that link higher risk and burden of alcohol-related disease to stronger alcohol concentrations and encourage further translational studies to better understand the underlying mechanisms.
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Affiliation(s)
- Jerome C Foo
- Department of Genetic Epidemiology in Psychiatry, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Marcus W Meinhardt
- Institute for Psychopharmacology, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany.,Department of Molecular Neuroimaging, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Ivan Skorodumov
- Institute for Psychopharmacology, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Rainer Spanagel
- Institute for Psychopharmacology, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
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Protocol for Characterization of Addiction and Dual Disorders: Effectiveness of Coadjuvant Chronotherapy in Patients with Partial Response. J Clin Med 2022; 11:jcm11071846. [PMID: 35407454 PMCID: PMC8999756 DOI: 10.3390/jcm11071846] [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: 12/27/2021] [Revised: 03/21/2022] [Accepted: 03/23/2022] [Indexed: 12/04/2022] Open
Abstract
This protocol aims to characterize patients with dual disorders (DD; comorbid major depression and schizophrenia) compared with patients with only a diagnosis of substance use disorder (SUD) and those with only a diagnosis of severe mental illness (SMI; major depression and schizophrenia), evaluating clinical and personality characteristics, circadian rhythmic functioning, genetic polymorphism and neuropsychological performance in order to obtain a clinical endophenotype of differential vulnerability for these diagnostic entities. Patients will be divided into three groups: DD (45 men with comorbid schizophrenia, 45 men and 30 women with major depression), SUD (n = 90, with a minimum of 30 women) and SMI males (45 with schizophrenia, 45 with major depression). All patients will be under treatment, with at least three months of SUD abstinence and/or with SMI in remission or with stabilized symptoms. Outpatients of both sexes with insufficient restoration of circadian rhythmicity with SUD (n = 30) and dual depression (n = 30) will be asked to participate in a second two-month study, being alternately assigned to the condition of the chronobiological adjuvant approach to the treatment of regular hour habits and exposure to light or to the usual treatment (control). The effect of the intervention and patient compliance will be monitored with a Kronowise KW6® ambulatory device during the first two weeks of treatment and again at weeks 4 and 8 weeks. After completing the evaluation, follow-up of the clinical evolution will be carried out at 3, 6 and 12 months. This project will allow us to analyze the functional impact of DD comorbidity and to develop the first study of chronobiological therapy in the treatment of SUD and dual depression, with results transferable to the clinical setting with cost-effective recommendations for a personalized approach.
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Bailey LS, Bagley JR, Dodd R, Olson A, Bolduc M, Philip VM, Reinholdt LG, Sukoff Rizzo SJ, Tarantino L, Gagnon L, Chesler EJ, Jentsch JD. Heritable variation in locomotion, reward sensitivity and impulsive behaviors in a genetically diverse inbred mouse panel. GENES, BRAIN, AND BEHAVIOR 2021; 20:e12773. [PMID: 34672075 PMCID: PMC9044817 DOI: 10.1111/gbb.12773] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 09/14/2021] [Accepted: 09/15/2021] [Indexed: 12/13/2022]
Abstract
Drugs of abuse, including alcohol and stimulants like cocaine, produce effects that are subject to individual variability, and genetic variation accounts for at least a portion of those differences. Notably, research in both animal models and human subjects point toward reward sensitivity and impulsivity as being trait characteristics that predict relatively greater positive subjective responses to stimulant drugs. Here we describe use of the eight collaborative cross (CC) founder strains and 38 (reversal learning) or 10 (all other tests) CC strains to examine the heritability of reward sensitivity and impulsivity traits, as well as genetic correlations between these measures and existing addiction-related phenotypes. Strains were all tested for activity in an open field and reward sensitivity (intake of chocolate BOOST®). Mice were then divided into two counterbalanced groups and underwent reversal learning (impulsive action and waiting impulsivity) or delay discounting (impulsive choice). CC and founder mice show significant heritability for impulsive action, impulsive choice, waiting impulsivity, locomotor activity, and reward sensitivity, with each impulsive phenotype determined to be non-correlating, independent traits. This research was conducted within the broader, inter-laboratory effort of the Center for Systems Neurogenetics of Addiction (CSNA) to characterize CC and DO mice for multiple, cocaine abuse related traits. These data will facilitate the discovery of genetic correlations between predictive traits, which will then guide discovery of genes and genetic variants that contribute to addictive behaviors.
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Affiliation(s)
- Lauren S Bailey
- State University of New York - Binghamton University, Binghamton, New York, USA
| | - Jared R Bagley
- State University of New York - Binghamton University, Binghamton, New York, USA
| | - Rainy Dodd
- The Jackson Laboratory, Bar Harbor, Maine, USA
| | | | | | | | | | - Stacey J Sukoff Rizzo
- The Jackson Laboratory, Bar Harbor, Maine, USA
- University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Lisa Tarantino
- The Jackson Laboratory, Bar Harbor, Maine, USA
- University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | | | | | - James David Jentsch
- State University of New York - Binghamton University, Binghamton, New York, USA
- The Jackson Laboratory, Bar Harbor, Maine, USA
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8
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Dokkedal-Silva V, Galduróz JCF, Tufik S, Andersen ML. Cocaine addiction and sleep-related problems: the search for genetic culprits. Psychopharmacology (Berl) 2020; 237:3503-3504. [PMID: 33033919 DOI: 10.1007/s00213-020-05676-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 10/05/2020] [Indexed: 10/23/2022]
Affiliation(s)
- Vinícius Dokkedal-Silva
- Departamento de Psicobiologia, Universidade Federal de São Paulo (UNIFESP), Rua Napoleão de Barros, 925, São Paulo, 04024-002, Brazil
| | - José Carlos Fernandes Galduróz
- Departamento de Psicobiologia, Universidade Federal de São Paulo (UNIFESP), Rua Napoleão de Barros, 925, São Paulo, 04024-002, Brazil
| | - Sergio Tufik
- Departamento de Psicobiologia, Universidade Federal de São Paulo (UNIFESP), Rua Napoleão de Barros, 925, São Paulo, 04024-002, Brazil
| | - Monica Levy Andersen
- Departamento de Psicobiologia, Universidade Federal de São Paulo (UNIFESP), Rua Napoleão de Barros, 925, São Paulo, 04024-002, Brazil.
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Nota JA, Potluri S, Kelley KN, Elias JA, Krompinger JW. Delayed Bedtimes Are Associated With More Severe Obsessive-Compulsive Symptoms in Intensive Residential Treatment. Behav Ther 2020; 51:559-571. [PMID: 32586430 DOI: 10.1016/j.beth.2019.12.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 12/13/2019] [Accepted: 12/16/2019] [Indexed: 12/27/2022]
Abstract
Delays in behavioral and biological circadian rhythms (e.g., sleep timing, melatonin secretion) are found more frequently in individuals with severe and treatment-resistant obsessive-compulsive disorder (OCD). In recent years, it has been documented that these delays in behavioral and biological circadian rhythms are associated with more severe OCD symptoms and poorer response to some OCD treatments. This study examined self-reported sleep behaviors in individuals taking part in an intensive treatment for OCD and the relations between these and OCD symptoms (both at admission to and discharge from the treatment program). Replicating previous findings in less severe populations, delayed sleep phases were relatively common in this group and later bedtimes were associated with more severe OCD symptoms at admission. Sleep onset latency and sleep duration were not associated with OCD symptom severity at admission. Later bedtimes were not associated with self-reported depression or worry symptom severity. There was no evidence of sleep behaviors affecting change in OCD symptoms from admission to discharge from treatment-however, later bedtimes at admission were associated with more severe OCD symptoms at admission and discharge from treatment. There was no evidence of sleep onset latency or sleep duration having a similar predictive effect. More severe OCD symptoms at admission were also associated with later bedtimes at admission and discharge from treatment. These bidirectional predictive relations between late bedtimes and OCD symptoms were of small effect size but support the potential value of evaluating sleep timing in individuals with severe and/or treatment-resistant OCD.
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Geoffroy PA, Tebeka S, Blanco C, Dubertret C, Le Strat Y. Shorter and longer durations of sleep are associated with an increased twelve-month prevalence of psychiatric and substance use disorders: Findings from a nationally representative survey of US adults (NESARC-III). J Psychiatr Res 2020; 124:34-41. [PMID: 32114030 DOI: 10.1016/j.jpsychires.2020.02.018] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 02/17/2020] [Accepted: 02/19/2020] [Indexed: 01/15/2023]
Abstract
The lack of comprehensive data on the association between psychiatric and substance use disorders and habitual sleep duration represents a major health information gap. This study examines the 12-month prevalence of mental disorders stratified by duration of sleep. Data were drawn from face-to-face interviews conducted in the National Epidemiologic Survey on Alcohol and Related Conditions III, a nationally representative survey of US adults (N = 36,309). There were 1893 (5.26%) participants who reported <5h of sleep/night; 2434(6.76%) 5 h/night; 7621(21.17%) 6 h/night; 9620(26.72%) 7 h/night; 11,186(31.07%) 8 h/night, and 3245(9.01%) ≥9 h/night. A U-shaped association was observed between sleep duration and all mental disorders. The prevalence of mental disorders was 55% for individuals with <5 h/night and 47.81% for ≥9 h/night, versus 28.24% for the 7 h/night (aOR = 1.90 and 1.39 respectively). The greatest odds ratios were for the <5 h/night group, with an increased risk above 3-fold for panic disorder (PD), post-traumatic stress disorder (PTSD), psychotic disorder, and suicide attempt; between 2 and 3 fold for major depressive disorder (MDD), bipolar disorder (BD), and generalized anxiety disorder (GAD); and between 1 and 2 fold for tobacco and drug use disorders, specific and social phobias. The ≥9 h/night group had an increased risk above 1 to 2-fold regarding tobacco and drug use disorders, MDD, BD, PD, social phobia, GAD, PTSD, psychotic disorder, and suicide attempt. U-shaped associations exist between sleep duration and mental disorders, calling for respect to recommendations for adequate sleep duration in routine clinical care as well as to actions for primary prevention in public health settings.
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Affiliation(s)
- Pierre A Geoffroy
- Département de Psychiatrie et D'addictologie, AP-HP, Hopital Bichat - Claude Bernard, F-75018, Paris, France; Université de Paris, NeuroDiderot, Inserm, F-75019, Paris, France.
| | - Sarah Tebeka
- Paris Diderot University - Paris VII, 5 Rue Thomas Mann, 75013, Paris, France; Department of Psychiatry, Assistance Publique-Hôpitaux de Paris (AP-HP), Louis Mourier Hospital, 178 Rue des Renouillers, 92700, Colombes, France
| | - Carlos Blanco
- National Institute on Drug Abuse, 6001 Executive Boulevard, Bethesda, MD, 20892, USA
| | - Caroline Dubertret
- Paris Diderot University - Paris VII, 5 Rue Thomas Mann, 75013, Paris, France; Department of Psychiatry, Assistance Publique-Hôpitaux de Paris (AP-HP), Louis Mourier Hospital, 178 Rue des Renouillers, 92700, Colombes, France
| | - Yann Le Strat
- Paris Diderot University - Paris VII, 5 Rue Thomas Mann, 75013, Paris, France; Department of Psychiatry, Assistance Publique-Hôpitaux de Paris (AP-HP), Louis Mourier Hospital, 178 Rue des Renouillers, 92700, Colombes, France
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Rhythm and blues: Influence of CLOCK T3111C on peripheral electrophysiological indicators of negative affective processing. Physiol Behav 2020; 219:112831. [DOI: 10.1016/j.physbeh.2020.112831] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 02/03/2020] [Accepted: 02/03/2020] [Indexed: 12/31/2022]
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12
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Mendoza J. Food intake and addictive-like eating behaviors: Time to think about the circadian clock(s). Neurosci Biobehav Rev 2019; 106:122-132. [DOI: 10.1016/j.neubiorev.2018.07.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Revised: 06/25/2018] [Accepted: 07/03/2018] [Indexed: 12/25/2022]
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13
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Circadian neurogenetics of mood disorders. Cell Tissue Res 2019; 377:81-94. [DOI: 10.1007/s00441-019-03033-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Accepted: 04/09/2019] [Indexed: 02/07/2023]
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Asgari-Targhi A, Klerman EB. Mathematical modeling of circadian rhythms. WILEY INTERDISCIPLINARY REVIEWS. SYSTEMS BIOLOGY AND MEDICINE 2019; 11:e1439. [PMID: 30328684 PMCID: PMC6375788 DOI: 10.1002/wsbm.1439] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 09/05/2018] [Accepted: 09/12/2018] [Indexed: 12/22/2022]
Abstract
Circadian rhythms are endogenous ~24-hr oscillations usually entrained to daily environmental cycles of light/dark. Many biological processes and physiological functions including mammalian body temperature, the cell cycle, sleep/wake cycles, neurobehavioral performance, and a wide range of diseases including metabolic, cardiovascular, and psychiatric disorders are impacted by these rhythms. Circadian clocks are present within individual cells and at tissue and organismal levels as emergent properties from the interaction of cellular oscillators. Mathematical models of circadian rhythms have been proposed to provide a better understanding of and to predict aspects of this complex physiological system. These models can be used to: (a) manipulate the system in silico with specificity that cannot be easily achieved using in vivo and in vitro experimental methods and at lower cost, (b) resolve apparently contradictory empirical results, (c) generate hypotheses, (d) design new experiments, and (e) to design interventions for altering circadian rhythms. Mathematical models differ in structure, the underlying assumptions, the number of parameters and variables, and constraints on variables. Models representing circadian rhythms at different physiologic scales and in different species are reviewed to promote understanding of these models and facilitate their use. This article is categorized under: Physiology > Mammalian Physiology in Health and Disease Models of Systems Properties and Processes > Organ, Tissue, and Physiological Models.
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Hatcher KM, Royston SE, Mahoney MM. Modulation of circadian rhythms through estrogen receptor signaling. Eur J Neurosci 2018; 51:217-228. [PMID: 30270552 DOI: 10.1111/ejn.14184] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Revised: 09/06/2018] [Accepted: 09/17/2018] [Indexed: 01/11/2023]
Abstract
Circadian rhythms are physiological and behavioral processes that exhibit a 24-hr cycle. These daily rhythms are essential for living organisms to align their behavior and physiology with the environment to increase the likelihood of survival. In mammals, circadian rhythms synchronize with the environment primarily by the suprachiasmatic nucleus, a hypothalamic brain region that integrates exogenous and endogenous timing cues. Sex steroid hormones, including estrogens, are thought to modulate sexually dimorphic behaviors through developmental programming of the brain (i.e., organization), as well as acute receptor signaling during adulthood (i.e., activation). Importantly, there are known sex differences in the expression of circadian locomotor activity and molecular organization of the suprachiasmatic nucleus, likely due, in part, to the actions of circulating estrogens. Circadian locomotor rhythms, which are coordinated by the suprachiasmatic nucleus, have been shown to be regulated by developmental and adult levels of circulating estrogens. Further, increasing evidence suggests that estrogens can modulate expression of circadian clock genes that are essential for orchestration of circadian rhythms by the suprachiasmatic nucleus. In this review, we will discuss the organizational and activational modulation of the circadian timekeeping system by estrogens through estrogen receptor signaling.
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Affiliation(s)
- Katherine M Hatcher
- Neuroscience Program, University of Illinois at Urbana-Champaign, Urbana, Illinois.,Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, Illinois
| | - Sara E Royston
- Department of Anesthesiology, Perioperative Medicine and Pain, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts.,Department of Spine and Pain Management, Christie Clinic, Champaign, Illinois
| | - Megan M Mahoney
- Neuroscience Program, University of Illinois at Urbana-Champaign, Urbana, Illinois.,Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, Illinois
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16
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Ruby CL, Paye G, Fabi JL, Zhang J, Risinger MO, Palmer KN, Verbanes NM, D'Angelo A, Watts TM, Mabe L, Swartzwelder HS. Sex Differences in Photic Entrainment and Sensitivity to Ethanol-Induced Chronodisruption in Adult Mice After Adolescent Intermittent Ethanol Exposure. Alcohol Clin Exp Res 2018; 42:2144-2159. [PMID: 30102762 DOI: 10.1111/acer.13867] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Accepted: 08/07/2018] [Indexed: 11/27/2022]
Abstract
BACKGROUND Evidence supports a role for the circadian system in alcohol use disorders, but the impact of adolescent alcohol exposure on circadian timing later in life is unknown. Acute ethanol (EtOH) attenuates circadian photic phase-resetting in adult, but not adolescent, rodents. However, nearly all studies have focused on males and it is unknown whether this adolescent-typical insensitivity to EtOH persists into adulthood after adolescent drinking. METHODS Circadian activity was monitored in C57BL/6J mice receiving adolescent intermittent EtOH (AIE) exposure (15% EtOH and water every other day throughout adolescence) or water alone followed by 24 days wherein EtOH was not available (washout). Mice then received a challenge dose of EtOH (1.5 g/kg, intraperitoneal) or saline 15 minutes prior to a 30-minute phase-delaying light pulse and then were released into constant darkness (DD). To control for possible phase-shifting by EtOH challenge alone, a separate group of mice underwent AIE exposure (or water-only) and washout and then received an EtOH or saline injection, but did not receive a light pulse prior to DD. RESULTS Striking sex differences in nearly all measures of circadian photic entrainment were observed during adolescence but AIE effects were subtle and few. Only EtOH-naïve adult male mice showed attenuated photic phase-shifts with EtOH challenge, while all other groups showed normal phase-resetting responses to light. AIE-exposed females showed a persistent delay in activity offset. CONCLUSIONS Adult male AIE-exposed mice retained adolescent-like insensitivity to EtOH-induced suppression of photic phase-resetting, suggesting AIE-induced "lock-in" of an adolescent behavioral phenotype. Adult AIE-exposed females showed delayed initiation of the rest phase. Our results also indicate that intermittent EtOH drinking has subtle effects on circadian activity in mice during adolescence that differ from previously reported effects on adult males. The observed sex differences in circadian activity, EtOH consumption and preference, and responses to EtOH challenge merit future mechanistic study.
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Affiliation(s)
- Christina L Ruby
- Department of Biology , Indiana University of Pennsylvania, Indiana, Pennsylvania
| | - Gerneleh Paye
- Department of Biology , Indiana University of Pennsylvania, Indiana, Pennsylvania
| | - Jason L Fabi
- Department of Biology , Indiana University of Pennsylvania, Indiana, Pennsylvania
| | - Jiawen Zhang
- Department of Biology , Indiana University of Pennsylvania, Indiana, Pennsylvania
| | - Megan O Risinger
- Department of Biology , Indiana University of Pennsylvania, Indiana, Pennsylvania
| | - Kaitlyn N Palmer
- Department of Biology , Indiana University of Pennsylvania, Indiana, Pennsylvania
| | - Natalie M Verbanes
- Department of Biology , Indiana University of Pennsylvania, Indiana, Pennsylvania
| | - Ariana D'Angelo
- Department of Biology , Indiana University of Pennsylvania, Indiana, Pennsylvania
| | - Tia M Watts
- Department of Biology , Indiana University of Pennsylvania, Indiana, Pennsylvania
| | - Lauren Mabe
- Department of Biology , Indiana University of Pennsylvania, Indiana, Pennsylvania
| | - H Scott Swartzwelder
- Department of Psychiatry and Behavioral Sciences , Duke University, Durham, North Carolina
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17
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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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18
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Abstract
Purpose of Review This review presents an in-depth overview of the sleep–wake phenotype of patients with cirrhosis, together with available pharmacological and non-pharmacological treatment strategies. A set of simple, practical recommendations is also provided. Recent Findings The understanding of the pathophysiology of sleep disorders in this patient population has improved over the past decade, especially in relation to the interplay between homeostatic and circadian sleep regulation. In addition, new tools have been utilised for both screening and in-depth investigation of the sleep–wake profile of these patients. Finally, a number of studies have evaluated the efficacy of novel treatment strategies, often with encouraging results. Summary Since sleep disturbances are common in patients with cirrhosis, more so than in patients with other chronic diseases of similar severity, their assessment should become routine hepatological practice, along with the initiation of adequate treatment.
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Affiliation(s)
- Chiara Formentin
- 1Department of Medicine, University of Padua, Via Giustiniani, 2, 35128 Padua, Italy
| | - Maria Garrido
- 1Department of Medicine, University of Padua, Via Giustiniani, 2, 35128 Padua, Italy.,Department of Physiology, Neuroimmunophysiology and Chrononutrition Research Group, Faculty of Science, Avda. Elvas s/n, 06006 Badajoz, Spain
| | - Sara Montagnese
- 1Department of Medicine, University of Padua, Via Giustiniani, 2, 35128 Padua, Italy
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19
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Lindberg D, Andres-Beck L, Jia YF, Kang S, Choi DS. Purinergic Signaling in Neuron-Astrocyte Interactions, Circadian Rhythms, and Alcohol Use Disorder. Front Physiol 2018; 9:9. [PMID: 29467662 PMCID: PMC5808134 DOI: 10.3389/fphys.2018.00009] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Accepted: 01/05/2018] [Indexed: 12/17/2022] Open
Abstract
Alcohol use disorder (AUD) is a debilitating condition marked by cyclic patterns of craving, use, and withdrawal. These pathological behaviors are mediated by multiple neurotransmitter systems utilizing glutamate, GABA, dopamine, ATP, and adenosine. In particular, purines such as ATP and adenosine have been demonstrated to alter the phase and function of the circadian clock and are reciprocally regulated by the clock itself. Importantly, chronic ethanol intake has been demonstrated to disrupt the molecular circadian clock and is associated with altered circadian patterns of activity and sleep. Moreover, ethanol has been demonstrated to disrupt purinergic signaling, while dysfunction of the purinergic system has been implicated in conditions of drug abuse such as AUD. In this review, we summarize our current knowledge regarding circadian disruption by ethanol, focusing on the reciprocal relationship that exists between oscillatory neurotransmission and the molecular circadian clock. In particular, we offer detailed explanations and hypotheses regarding the concerted regulation of purinergic signaling and circadian oscillations by neurons and astrocytes, and review the diverse mechanisms by which purinergic dysfuction may contribute to circadian disruption or alcohol abuse. Finally, we describe the mechanisms by which ethanol may disrupt or hijack endogenous circadian rhythms to induce the maladaptive behavioral patterns associated with AUD.
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Affiliation(s)
- Daniel Lindberg
- Neurobiology of Disease, Mayo Clinic College of Medicine, Rochester, MN, United States
| | - Lindsey Andres-Beck
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic College of Medicine, Rochester, MN, United States
| | - Yun-Fang Jia
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic College of Medicine, Rochester, MN, United States
| | - Seungwoo Kang
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic College of Medicine, Rochester, MN, United States
| | - Doo-Sup Choi
- Neurobiology of Disease, Mayo Clinic College of Medicine, Rochester, MN, United States.,Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic College of Medicine, Rochester, MN, United States.,Department of Psychiatry and Psychology, Mayo Clinic College of Medicine, Rochester, MN, United States
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20
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Ghosh Dastidar S, Warner JB, Warner DR, McClain CJ, Kirpich IA. Rodent Models of Alcoholic Liver Disease: Role of Binge Ethanol Administration. Biomolecules 2018; 8:biom8010003. [PMID: 29342874 PMCID: PMC5871972 DOI: 10.3390/biom8010003] [Citation(s) in RCA: 71] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Revised: 01/09/2018] [Accepted: 01/11/2018] [Indexed: 12/14/2022] Open
Abstract
Both chronic and acute (binge) alcohol drinking are important health and economic concerns worldwide and prominent risk factors for the development of alcoholic liver disease (ALD). There are no FDA-approved medications to prevent or to treat any stage of ALD. Therefore, discovery of novel therapeutic strategies remains a critical need for patients with ALD. Relevant experimental animal models that simulate human drinking patterns and mimic the spectrum and severity of alcohol-induced liver pathology in humans are critical to our ability to identify new mechanisms and therapeutic targets. There are several animal models currently in use, including the most widely utilized chronic ad libitum ethanol (EtOH) feeding (Lieber–DeCarli liquid diet model), chronic intragastric EtOH administration (Tsukamoto–French model), and chronic-plus-binge EtOH challenge (Bin Gao—National Institute on Alcohol Abuse and Alcoholism (NIAAA) model). This review provides an overview of recent advances in rodent models of binge EtOH administration which help to recapitulate different features and etiologies of progressive ALD. These models include EtOH binge alone, and EtOH binge coupled with chronic EtOH intake, a high fat diet, or endotoxin challenge. We analyze the strengths, limitations, and translational relevance of these models, as well as summarize the liver injury outcomes and mechanistic insights. We further discuss the application(s) of binge EtOH models in examining alcohol-induced multi-organ pathology, sex- and age-related differences, as well as circadian rhythm disruption.
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Affiliation(s)
- Shubha Ghosh Dastidar
- Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, USA.
| | - Jeffrey B Warner
- Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, USA.
| | - Dennis R Warner
- Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, USA.
| | - Craig J McClain
- Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, USA.
- Department of Pharmacology and Toxicology, University of Louisville School of Medicine, Louisville, KY 40202, USA.
- Robley Rex Veterans Medical Center, Louisville, KY 40202, USA.
- University of Louisville Alcohol Research Center and Hepatobiology & Toxicology COBRE, University of Louisville, Louisville, KY 40202, USA.
| | - Irina A Kirpich
- Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, USA.
- Department of Pharmacology and Toxicology, University of Louisville School of Medicine, Louisville, KY 40202, USA.
- University of Louisville Alcohol Research Center and Hepatobiology & Toxicology COBRE, University of Louisville, Louisville, KY 40202, USA.
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21
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Whole exome sequencing reveals inherited and de novo variants in autism spectrum disorder: a trio study from Saudi families. Sci Rep 2017; 7:5679. [PMID: 28720891 PMCID: PMC5515956 DOI: 10.1038/s41598-017-06033-1] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Accepted: 06/06/2017] [Indexed: 12/12/2022] Open
Abstract
Autism spectrum disorder (ASD) is a complex neurodevelopmental disorder with genetic and clinical heterogeneity. The interplay of de novo and inherited rare variants has been suspected in the development of ASD. Here, we applied whole exome sequencing (WES) on 19 trios from singleton Saudi families with ASD. We developed an analysis pipeline that allows capturing both de novo and inherited rare variants predicted to be deleterious. A total of 47 unique rare variants were detected in 17 trios including 38 which are newly discovered. The majority were either autosomal recessive or X-linked. Our pipeline uncovered variants in 15 ASD-candidate genes, including 5 (GLT8D1, HTATSF1, OR6C65, ITIH6 and DDX26B) that have not been reported in any human condition. The remaining variants occurred in genes formerly associated with ASD or other neurological disorders. Examples include SUMF1, KDM5B and MXRA5 (Known-ASD genes), PRODH2 and KCTD21 (implicated in schizophrenia), as well as USP9X and SMS (implicated in intellectual disability). Consistent with expectation and previous studies, most of the genes implicated herein are enriched for biological processes pertaining to neuronal function. Our findings underscore the private and heterogeneous nature of the genetic architecture of ASD even in a population with high consanguinity rates.
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22
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Song Y, Choi G, Jang L, Kim SW, Jung KH, Park H. Circadian rhythm gene expression and daily melatonin levels vary in athletes and sedentary males. BIOL RHYTHM RES 2017. [DOI: 10.1080/09291016.2017.1350446] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Youngju Song
- Exercise Nutrition & Biochemistry Lab, Department of Sports Medicine, Kyung Hee University, Yongin, Republic of Korea
| | - Geunhoon Choi
- Exercise Nutrition & Biochemistry Lab, Department of Sports Medicine, Kyung Hee University, Yongin, Republic of Korea
| | - Laeguen Jang
- Exercise Nutrition & Biochemistry Lab, Department of Sports Medicine, Kyung Hee University, Yongin, Republic of Korea
| | - Seo-Woo Kim
- Graduate School of Biotechnology & Crop Biotech Institute, Kyung Hee University, Yongin, Republic of Korea
| | - Ki-Hong Jung
- Graduate School of Biotechnology & Crop Biotech Institute, Kyung Hee University, Yongin, Republic of Korea
| | - Hyon Park
- Exercise Nutrition & Biochemistry Lab, Department of Sports Medicine, Kyung Hee University, Yongin, Republic of Korea
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23
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mPer1 promotes morphine-induced locomotor sensitization and conditioned place preference via histone deacetylase activity. Psychopharmacology (Berl) 2017; 234:1713-1724. [PMID: 28243713 DOI: 10.1007/s00213-017-4574-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2016] [Accepted: 02/06/2017] [Indexed: 12/25/2022]
Abstract
RATIONALE Previous studies have shown that repeated exposure to drugs of abuse is associated with changes in clock genes expression and that mice strains with various mutations in clock genes show alterations in drug-induced behaviors. OBJECTIVE The objective of this study is to characterize the role of the clock gene mPer1 in the development of morphine-induced behaviors and a possible link to histone deacetylase (HDAC) activity. METHODS In Per1 Brdm1 null mutant mice and wild-type (WT) littermates, we examined whether there were any differences in the development of morphine antinociception, tolerance to antinociception, withdrawal, sensitization to locomotion, and conditioned place preference (CPP). RESULTS Per1 Brdm1 mutant mice did not show any difference in morphine antinociception, tolerance development, nor in physical withdrawal signs precipitated by naloxone administration compared to WT. However, morphine-induced locomotor sensitization and CPP were significantly impaired in Per1 Brdm1 mutant mice. Because a very similar dissociation between tolerance and dependence vs. sensitization and CPP was recently observed after the co-administration of morphine and the HDAC inhibitor sodium butyrate (NaBut), we studied a possible link between mPer1 and HDAC activity. As opposed to WT controls, Per1 Brdm1 mutant mice showed significantly enhanced striatal global HDAC activity within the striatum when exposed to a locomotor-sensitizing morphine administration regimen. Furthermore, the administration of the HDAC inhibitor NaBut restored the ability of morphine to promote locomotor sensitization and reward in Per1 Brdm1 mutant mice. CONCLUSIONS Our results reveal that although the mPer1 gene does not alter morphine-induced antinociception nor withdrawal, it plays a prominent role in the development of morphine-induced behavioral sensitization and reward via inhibitory modulation of striatal HDAC activity. These data suggest that PER1 inhibits deacetylation to promote drug-induced neuroplastic changes.
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24
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Bainier C, Mateo M, Felder-Schmittbuhl MP, Mendoza J. Circadian rhythms of hedonic drinking behavior in mice. Neuroscience 2017; 349:229-238. [DOI: 10.1016/j.neuroscience.2017.03.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Revised: 02/15/2017] [Accepted: 03/01/2017] [Indexed: 10/20/2022]
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25
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Ruby CL, Palmer KN, Zhang J, Risinger MO, Butkowski MA, Swartzwelder HS. Differential Sensitivity to Ethanol-Induced Circadian Rhythm Disruption in Adolescent and Adult Mice. Alcohol Clin Exp Res 2016; 41:187-196. [PMID: 27997028 DOI: 10.1111/acer.13275] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Accepted: 10/19/2016] [Indexed: 12/29/2022]
Abstract
BACKGROUND Growing evidence supports a central role for the circadian system in alcohol use disorders, but few studies have examined this relationship during adolescence. In mammals, circadian rhythms are regulated by the suprachiasmatic nucleus, a biological clock whose timing is synchronized (reset) to the environment primarily by light (photic) input. Alcohol (ethanol [EtOH]) disrupts circadian timing in part by attenuating photic phase-resetting responses in adult rodents. However, circadian rhythms change throughout life and it is not yet known whether EtOH has similar effects on circadian regulation during adolescence. METHODS General circadian locomotor activity was monitored in male C57BL6/J mice beginning in adolescence (P27) or adulthood (P61) in a 12-hour light, 12-hour dark photocycle for ~2 weeks to establish baseline circadian activity measures. On the day of the experiment, mice received an acute injection of EtOH (1.5 g/kg, i.p.) or equal volume saline 15 minutes prior to a 30-minute light pulse at Zeitgeber Time 14 (2 hours into the dark phase) and then were released into constant darkness (DD) for ~2 weeks to assess phase-resetting responses. Control mice of each age-group received injections but no light pulse prior to DD. RESULTS While adults showed the expected decrease in photic phase-delays induced by acute EtOH, this effect was absent in adolescent mice. Adolescents also showed baseline differences in circadian rhythmicity compared to adults, including advanced photocycle entrainment, larger photic phase-delays, a shorter free-running (endogenous) circadian period, and greater circadian rhythm amplitude. CONCLUSIONS Collectively, our results indicate that adolescent mice are less sensitive to the effect of EtOH on circadian photic phase-resetting and that their daily activity rhythms are markedly different than those of adults.
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Affiliation(s)
- Christina L Ruby
- Department of Biology, Indiana University of Pennsylvania, Indiana, Pennsylvania
| | - Kaitlyn N Palmer
- Department of Biology, Indiana University of Pennsylvania, Indiana, Pennsylvania
| | - Jiawen Zhang
- Department of Biology, Indiana University of Pennsylvania, Indiana, Pennsylvania
| | - Megan O Risinger
- Department of Biology, Indiana University of Pennsylvania, Indiana, Pennsylvania
| | - Melissa A Butkowski
- Department of Biology, Indiana University of Pennsylvania, Indiana, Pennsylvania
| | - H Scott Swartzwelder
- Department of Psychiatry and Behavioral Sciences, Duke University, Durham, North Carolina.,Neurobiology Research Laboratory, VA Medical Center, Durham, North Carolina
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26
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Abstract
The mammalian circadian clock is a complex multi-scale, multivariable biological control system. In the past two decades, methods from systems engineering have led to numerous insights into the architecture and functionality of this system. In this review, we examine the mammalian circadian system through a process systems lens. We present a mathematical framework for examining the cellular circadian oscillator, and show recent extensions for understanding population-scale dynamics. We provide an overview of the routes by which the circadian system can be systemically manipulated, and present in silico proof of concept results for phase resetting of the clock via model predictive control.
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27
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Effect of circadian rhythm disturbance on morphine preference and addiction in male rats: Involvement of period genes and dopamine D1 receptor. Neuroscience 2016; 322:104-14. [PMID: 26892296 DOI: 10.1016/j.neuroscience.2016.02.019] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2015] [Revised: 01/16/2016] [Accepted: 02/10/2016] [Indexed: 12/17/2022]
Abstract
It is claimed that a correlation exists between disturbance of circadian rhythms by factors such as alteration of normal light-dark cycle and the development of addiction. However, the exact mechanisms involved in this relationship are not much understood. Here we have studied the effect of constant light on morphine voluntary consumption and withdrawal symptoms and also investigated the involvement of Per1, Per2 and dopamine D1 receptor in these processes. Male wistar rats were kept under standard (LD) or constant light (LL) conditions for one month. The plasma concentration of melatonin was evaluated by enzyme-linked immunosorbent assay (ELISA). Real-time PCR was used to determine the mRNA expression of Per1, Per2 and dopamine D1 receptor in the striatum and prefrontal cortex. Morphine preference (50mg/L) was evaluated in a two-bottle-choice paradigm for 10 weeks and withdrawal symptoms were recorded after administration of naloxone (3mg/kg). One month exposure to constant light resulted in a significant decrease of melatonin concentration in the LL group. In addition, mRNA levels of Per2 and dopamine D1 receptor were up-regulated in both the striatum and prefrontal cortex of the LL group. However, expression of Per1 gene was only up-regulated in the striatum of LL rats in comparison to LD animals. Furthermore, after one month exposure to constant light, morphine consumption and preference ratio and also severity of naloxone-induced withdrawal syndrome were significantly greater in LL animals. It is concluded that exposure to constant light by up-regulation of Per2 and dopamine D1 receptor in the striatum and prefrontal cortex and up-regulation of Per1 in the striatum and the possible involvement of melatonin makes animals vulnerable to morphine preference and addiction.
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29
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Kervran C, Fatséas M, Serre F, Taillard J, Beltran V, Leboucher J, Debrabant R, Alexandre JM, Daulouède JP, Philip P, Auriacombe M. Association between morningness/eveningness, addiction severity and psychiatric disorders among individuals with addictions. Psychiatry Res 2015; 229:1024-30. [PMID: 26250146 DOI: 10.1016/j.psychres.2015.05.026] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2015] [Revised: 05/18/2015] [Accepted: 05/20/2015] [Indexed: 11/26/2022]
Abstract
Studies have shown that Evening-Type (ET) subjects used more stimulating and sedative substances, and presented more psychiatric disorders than Morning-Type (MT) subject. However, there is a lack of data on the chronotype of patients with addiction. The aim of our study was to describe chronotype and associated factors in a sample of outpatients beginning treatment for addiction. Subjects were assessed with the Morningness-Eveningness questionnaire of Hörne & Ostberg, the Addiction Severity Index and the Mini International Neuropsychiatric Interview. In the 333 subjects with an addiction, 20% were MT and 32% were ET. When comparing ET to MT, multivariate analysis showed that ET was significantly associated with poly-problematic addiction, non-substance addictions, cannabis addiction, and mood disorders, but not with severity of addiction. MT was associated with antisocial personality disorder. Results suggested that chronotype was associated with specific addiction pattern and psychiatric disorders.
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Affiliation(s)
- Charlotte Kervran
- Université de Bordeaux, Bordeaux, France; Addiction Psychiatry Team, SANPsy CNRS USR 3413, Bordeaux, France; Pôle Addictologie, CH Ch. Perrens et CHU de Bordeaux, Bordeaux, France
| | - Mélina Fatséas
- Université de Bordeaux, Bordeaux, France; Addiction Psychiatry Team, SANPsy CNRS USR 3413, Bordeaux, France; Pôle Addictologie, CH Ch. Perrens et CHU de Bordeaux, Bordeaux, France
| | - Fuschia Serre
- Université de Bordeaux, Bordeaux, France; Addiction Psychiatry Team, SANPsy CNRS USR 3413, Bordeaux, France; Pôle Addictologie, CH Ch. Perrens et CHU de Bordeaux, Bordeaux, France
| | - Jacques Taillard
- Université de Bordeaux, Bordeaux, France; Sleep and Attention Team, SANPsy CNRS USR 3413, Bordeaux, France
| | - Virginie Beltran
- Université de Bordeaux, Bordeaux, France; Addiction Psychiatry Team, SANPsy CNRS USR 3413, Bordeaux, France; Centre d׳Addictologie, BIZIA et CH de Bayonne, Bayonne, France
| | - Juliette Leboucher
- Université de Bordeaux, Bordeaux, France; Addiction Psychiatry Team, SANPsy CNRS USR 3413, Bordeaux, France; Pôle Addictologie, CH Ch. Perrens et CHU de Bordeaux, Bordeaux, France
| | - Romain Debrabant
- Université de Bordeaux, Bordeaux, France; Addiction Psychiatry Team, SANPsy CNRS USR 3413, Bordeaux, France; Pôle Addictologie, CH Ch. Perrens et CHU de Bordeaux, Bordeaux, France
| | - Jean-Marc Alexandre
- Université de Bordeaux, Bordeaux, France; Addiction Psychiatry Team, SANPsy CNRS USR 3413, Bordeaux, France; Pôle Addictologie, CH Ch. Perrens et CHU de Bordeaux, Bordeaux, France
| | - Jean-Pierre Daulouède
- Université de Bordeaux, Bordeaux, France; Addiction Psychiatry Team, SANPsy CNRS USR 3413, Bordeaux, France; Centre d׳Addictologie, BIZIA et CH de Bayonne, Bayonne, France
| | - Pierre Philip
- Université de Bordeaux, Bordeaux, France; Sleep and Attention Team, SANPsy CNRS USR 3413, Bordeaux, France
| | - Marc Auriacombe
- Université de Bordeaux, Bordeaux, France; Addiction Psychiatry Team, SANPsy CNRS USR 3413, Bordeaux, France; Pôle Addictologie, CH Ch. Perrens et CHU de Bordeaux, Bordeaux, France.
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Udoh US, Valcin JA, Gamble KL, Bailey SM. The Molecular Circadian Clock and Alcohol-Induced Liver Injury. Biomolecules 2015; 5:2504-37. [PMID: 26473939 PMCID: PMC4693245 DOI: 10.3390/biom5042504] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Revised: 09/02/2015] [Accepted: 09/09/2015] [Indexed: 12/11/2022] Open
Abstract
Emerging evidence from both experimental animal studies and clinical human investigations demonstrates strong connections among circadian processes, alcohol use, and alcohol-induced tissue injury. Components of the circadian clock have been shown to influence the pathophysiological effects of alcohol. Conversely, alcohol may alter the expression of circadian clock genes and the rhythmic behavioral and metabolic processes they regulate. Therefore, we propose that alcohol-mediated disruption in circadian rhythms likely underpins many adverse health effects of alcohol that cut across multiple organ systems. In this review, we provide an overview of the circadian clock mechanism and showcase results from new studies in the alcohol field implicating the circadian clock as a key target of alcohol action and toxicity in the liver. We discuss various molecular events through which alcohol may work to negatively impact circadian clock-mediated processes in the liver, and contribute to tissue pathology. Illuminating the mechanistic connections between the circadian clock and alcohol will be critical to the development of new preventative and pharmacological treatments for alcohol use disorders and alcohol-mediated organ diseases.
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Affiliation(s)
- Uduak S Udoh
- Department of Pathology, Division of Molecular and Cellular Pathology, University of Alabama at Birmingham, Birmingham, AL 35233, USA.
| | - Jennifer A Valcin
- Department of Pathology, Division of Molecular and Cellular Pathology, University of Alabama at Birmingham, Birmingham, AL 35233, USA.
| | - Karen L Gamble
- Department of Psychiatry, Division of Behavioral Neurobiology, University of Alabama at Birmingham, Birmingham, AL 35233, USA.
| | - Shannon M Bailey
- Department of Pathology, Division of Molecular and Cellular Pathology, University of Alabama at Birmingham, Birmingham, AL 35233, USA.
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Levran O, Peles E, Randesi M, Correa da Rosa J, Ott J, Rotrosen J, Adelson M, Kreek MJ. Dopaminergic pathway polymorphisms and heroin addiction: further support for association of CSNK1E variants. Pharmacogenomics 2015; 15:2001-9. [PMID: 25521358 DOI: 10.2217/pgs.14.145] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND & AIM The dopaminergic pathways have been implicated in the etiology of drug addictions. The aim of this study was to determine if variants in dopaminergic genes are associated with heroin addiction. MATERIALS & METHODS The study includes 828 former heroin addicts and 232 healthy controls, of predominantly European ancestry. Ninety seven SNPs (13 genes) were analyzed. RESULTS Nine nominally significant associations were observed at CSNK1E, ANKK1, DRD2 and DRD3. CONCLUSION The results support our previous report of association of CSNK1E SNP rs1534891 with protection from heroin addiction. CSNK1E interacts with circadian rhythms and DARPP-32 and has been implicated in negative regulation of sensitivity to opioids in rodents. It may be a target for drug addiction treatment. Original submitted 8 August 2014; Revision submitted 8 October 2014.
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Affiliation(s)
- Orna Levran
- The Laboratory of the Biology of Addictive Diseases, The Rockefeller University, New York, NY 10065, USA
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Frank E, Wallace ML, Hall M, Hasler B, Levenson JC, Janney CA, Soreca I, Fleming MC, Buttenfield J, Ritchey FC, Kupfer DJ. An Integrated Risk Reduction Intervention can reduce body mass index in individuals being treated for bipolar I disorder: results from a randomized trial. Bipolar Disord 2015; 17:424-37. [PMID: 25495748 PMCID: PMC4458204 DOI: 10.1111/bdi.12283] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2014] [Accepted: 09/25/2014] [Indexed: 12/21/2022]
Abstract
OBJECTIVES We conducted a randomized, controlled trial comparing the efficacy of an Integrated Risk Reduction Intervention (IRRI) to a control condition with the objective of improving mood stability and psychosocial functioning by reducing cardiometabolic risk factors in overweight/obese patients with bipolar I disorder. METHODS A total of 122 patients were recruited from our outpatient services and randomly allocated to IRRI (n = 61) or psychiatric care with medical monitoring (n = 61). Individuals allocated to IRRI received psychiatric treatment and assessment, medical monitoring by a nurse, and a healthy lifestyle program from a lifestyle coach. Those allocated to the control condition received psychiatric treatment and assessment and referral, if indicated, for medical problems. A mixed-effects model was used to examine the impact of the interventions on body mass index (BMI). Exploratory moderator analyses were used to characterize those individuals likely to benefit from each treatment approach. RESULTS Analyses were conducted on data for the IRRI (n = 58) and control (n = 56) participants with ≥ 1 study visit. IRRI was associated with a significantly greater rate of decrease in BMI (d = -0.51, 95% confidence interval: -0.91 to -0.14). Three variables (C-reactive protein, total cholesterol, and instability of total sleep time) contributed to a combined moderator of faster decrease in BMI with IRRI treatment. CONCLUSIONS Overweight/obese patients with bipolar disorder can make modest improvements in BMI, even when taking medications with known potential for weight gain. Our finding that a combination of three baseline variables provides a profile of patients likely to benefit from IRRI will need to be tested further to evaluate its utility in clinical practice.
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Affiliation(s)
- Ellen Frank
- Department of Psychiatry; University of Pittsburgh School of Medicine; Pittsburgh PA USA
| | - Meredith L Wallace
- Department of Psychiatry; University of Pittsburgh School of Medicine; Pittsburgh PA USA
| | - Martica Hall
- Department of Psychiatry; University of Pittsburgh School of Medicine; Pittsburgh PA USA
| | - Brant Hasler
- Department of Psychiatry; University of Pittsburgh School of Medicine; Pittsburgh PA USA
| | - Jessica C Levenson
- Department of Psychiatry; University of Pittsburgh School of Medicine; Pittsburgh PA USA
| | - Carol A Janney
- Department of Psychiatry; University of Pittsburgh School of Medicine; Pittsburgh PA USA
| | - Isabella Soreca
- Department of Psychiatry; University of Pittsburgh School of Medicine; Pittsburgh PA USA
| | - Matthew C Fleming
- Department of Psychiatry; University of Pittsburgh School of Medicine; Pittsburgh PA USA
| | - Joan Buttenfield
- Department of Psychiatry; University of Pittsburgh School of Medicine; Pittsburgh PA USA
| | - Fiona C Ritchey
- Department of Psychiatry; University of Pittsburgh School of Medicine; Pittsburgh PA USA
| | - David J Kupfer
- Department of Psychiatry; University of Pittsburgh School of Medicine; Pittsburgh PA USA
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33
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Chronobiology of ethanol: animal models. Alcohol 2015; 49:311-9. [PMID: 25971539 DOI: 10.1016/j.alcohol.2015.04.001] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2015] [Revised: 04/10/2015] [Accepted: 04/10/2015] [Indexed: 01/08/2023]
Abstract
Clinical and epidemiological observations have revealed that alcohol abuse and alcoholism are associated with widespread disruptions in sleep and other circadian biological rhythms. As with other psychiatric disorders, animal models have been very useful in efforts to better understand the cause and effect relationships underlying the largely correlative human data. This review summarizes the experimental findings indicating bidirectional interactions between alcohol (ethanol) consumption and the circadian timing system, emphasizing behavioral studies conducted in the author's laboratory. Together with convergent evidence from multiple laboratories, the work summarized here establishes that ethanol intake (or administration) alters fundamental properties of the underlying circadian pacemaker. In turn, circadian disruption induced by either environmental or genetic manipulations can alter voluntary ethanol intake. These reciprocal interactions may create a vicious cycle that contributes to the downward spiral of alcohol and drug addiction. In the future, such studies may lead to the development of chronobiologically based interventions to prevent relapse and effectively mitigate some of the societal burden associated with such disorders.
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Widdig A, Kessler MJ, Bercovitch FB, Berard JD, Duggleby C, Nürnberg P, Rawlins RG, Sauermann U, Wang Q, Krawczak M, Schmidtke J. Genetic studies on the Cayo Santiago rhesus macaques: A review of 40 years of research. Am J Primatol 2015; 78:44-62. [PMID: 26031601 DOI: 10.1002/ajp.22424] [Citation(s) in RCA: 66] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2014] [Revised: 04/17/2015] [Accepted: 04/19/2015] [Indexed: 01/17/2023]
Abstract
Genetic studies not only contribute substantially to our current understanding of the natural variation in behavior and health in many species, they also provide the basis of numerous in vivo models of human traits. Despite the many challenges posed by the high level of biological and social complexity, a long lifespan and difficult access in the field, genetic studies of primates are particularly rewarding because of the close evolutionary relatedness of these species to humans. The free-ranging rhesus macaque (Macaca mulatta) population on Cayo Santiago (CS), Puerto Rico, provides a unique resource in this respect because several of the abovementioned caveats are of either minor importance there, or lacking altogether, thereby allowing long-term genetic research in a primate population under constant surveillance since 1956. This review summarizes more than 40 years of genetic research carried out on CS, from early blood group typing and the genetic characterization of skeletal material via population-wide paternity testing with DNA fingerprints and short tandem repeats (STRs) to the analysis of the highly polymorphic DQB1 locus within the major histocompatibility complex (MHC). The results of the paternity studies also facilitated subsequent studies of male dominance and other factors influencing male reproductive success, of male reproductive skew, paternal kin bias, and mechanisms of paternal kin recognition. More recently, the CS macaques have been the subjects of functional genetic and gene expression analyses and have played an important role in behavioral and quantitative genetic studies. In addition, the CS colony has been used as a natural model for human adult-onset macular degeneration, glaucoma, and circadian rhythm disorder. Our review finishes off with a discussion of potential future directions of research on CS, including the transition from STRs to single nucleotide polymorphism (SNP) typing and whole genome sequencing.
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Affiliation(s)
- Anja Widdig
- Research Group of Behavioural Ecology, Institute of Biology, University of Leipzig, Leipzig, Germany.,Junior Research Group of Primate Kin Selection, Department of Primatology, Max-Planck Institute for Evolutionary Anthropology, Leipzig, Germany.,Caribbean Primate Research Center, University of Puerto Rico, Punta Santiago, Puerto Rico
| | - Matthew J Kessler
- Caribbean Primate Research Center, University of Puerto Rico, Punta Santiago, Puerto Rico.,Division of Laboratory Animal Resources, Robert C. Byrd Health Sciences Center, West Virginia University, Morgantown, West Virginia
| | - Fred B Bercovitch
- Primate Research Institute & Wildlife Research Center, Kyoto University, Inuyama, Aichi, Japan
| | - John D Berard
- Department of Veterans Affairs, Greater Los Angeles Health Care System, North Hills, California
| | - Christine Duggleby
- Department of Anthropology, State University of New York at Buffalo, Buffalo, New York
| | - Peter Nürnberg
- Cologne Center for Genomics, University of Cologne, Köln, Germany
| | - Richard G Rawlins
- Caribbean Primate Research Center, University of Puerto Rico, Punta Santiago, Puerto Rico
| | - Ulrike Sauermann
- Unit of Infection Models, German Primate Center, Göttingen, Germany
| | - Qian Wang
- Department of Biomedical Sciences, Texas A&M University Baylor College of Dentistry, Texas
| | - Michael Krawczak
- Institute of Medical Informatics and Statistics, Christian-Albrechts University of Kiel, Kiel, Germany
| | - Jörg Schmidtke
- Institute of Human Genetics, Hannover Medical School, Hannover, Germany
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Prosser RA, Glass JD. Assessing ethanol's actions in the suprachiasmatic circadian clock using in vivo and in vitro approaches. Alcohol 2015; 49:321-339. [PMID: 25457753 DOI: 10.1016/j.alcohol.2014.07.016] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2014] [Revised: 07/07/2014] [Accepted: 07/09/2014] [Indexed: 12/18/2022]
Abstract
Research over the past decade has demonstrated substantial interactions between the circadian system and the processes through which alcohol affects behavior and physiology. Here we summarize the results of our collaborative efforts focused on this intersection. Using a combination of in vivo and in vitro approaches, we have shown that ethanol affects many aspects of the mammalian circadian system, both acutely as well as after chronic administration. Conversely, we have shown circadian influences on ethanol consumption. Importantly, we are beginning to delve into the cellular mechanisms associated with these effects. We are also starting to form a picture of the neuroanatomical bases for many of these actions. Finally, we put our current findings into perspective by suggesting new avenues of inquiry for our future efforts.
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36
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Perreau-Lenz S, Spanagel R. Clock genes × stress × reward interactions in alcohol and substance use disorders. Alcohol 2015; 49:351-7. [PMID: 25943583 PMCID: PMC4457607 DOI: 10.1016/j.alcohol.2015.04.003] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2015] [Accepted: 04/13/2015] [Indexed: 12/31/2022]
Abstract
Adverse life events and highly stressful environments have deleterious consequences for mental health. Those environmental factors can potentiate alcohol and drug abuse in vulnerable individuals carrying specific genetic risk factors, hence producing the final risk for alcohol- and substance-use disorders development. The nature of these genes remains to be fully determined, but studies indicate their direct or indirect relation to the stress hypothalamo-pituitary-adrenal (HPA) axis and/or reward systems. Over the past decade, clock genes have been revealed to be key-players in influencing acute and chronic alcohol/drug effects. In parallel, the influence of chronic stress and stressful life events in promoting alcohol and substance use and abuse has been demonstrated. Furthermore, the reciprocal interaction of clock genes with various HPA-axis components, as well as the evidence for an implication of clock genes in stress-induced alcohol abuse, have led to the idea that clock genes, and Period genes in particular, may represent key genetic factors to consider when examining gene × environment interaction in the etiology of addiction. The aim of the present review is to summarize findings linking clock genes, stress, and alcohol and substance abuse, and to propose potential underlying neurobiological mechanisms.
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Affiliation(s)
- Stéphanie Perreau-Lenz
- Institute of Psychopharmacology, Central Institute for Mental Health, Medical Faculty of Mannheim, Heidelberg University, Mannheim, Germany; SRI International, Center for Neuroscience, Biosciences Division, Menlo Park, CA, USA.
| | - Rainer Spanagel
- Institute of Psychopharmacology, Central Institute for Mental Health, Medical Faculty of Mannheim, Heidelberg University, Mannheim, Germany
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37
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Thakkar MM, Sharma R, Sahota P. Alcohol disrupts sleep homeostasis. Alcohol 2015; 49:299-310. [PMID: 25499829 DOI: 10.1016/j.alcohol.2014.07.019] [Citation(s) in RCA: 147] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2014] [Revised: 07/02/2014] [Accepted: 07/07/2014] [Indexed: 01/14/2023]
Abstract
Alcohol is a potent somnogen and one of the most commonly used "over the counter" sleep aids. In healthy non-alcoholics, acute alcohol decreases sleep latency, consolidates and increases the quality (delta power) and quantity of NREM sleep during the first half of the night. However, sleep is disrupted during the second half. Alcoholics, both during drinking periods and during abstinences, suffer from a multitude of sleep disruptions manifested by profound insomnia, excessive daytime sleepiness, and altered sleep architecture. Furthermore, subjective and objective indicators of sleep disturbances are predictors of relapse. Finally, within the USA, it is estimated that societal costs of alcohol-related sleep disorders exceeds $18 billion. Thus, although alcohol-associated sleep problems have significant economic and clinical consequences, very little is known about how and where alcohol acts to affect sleep. In this review, we have described our attempts to unravel the mechanism of alcohol-induced sleep disruptions. We have conducted a series of experiments using two different species, rats and mice, as animal models. We performed microdialysis, immunohistochemical, pharmacological, sleep deprivation and lesion studies which suggest that the sleep-promoting effects of alcohol may be mediated via alcohol's action on the mediators of sleep homeostasis: adenosine (AD) and the wake-promoting cholinergic neurons of the basal forebrain (BF). Alcohol, via its action on AD uptake, increases extracellular AD resulting in the inhibition of BF wake-promoting neurons. Since binge alcohol consumption is a highly prevalent pattern of alcohol consumption and disrupts sleep, we examined the effects of binge drinking on sleep-wakefulness. Our results suggest that disrupted sleep homeostasis may be the primary cause of sleep disruption observed following binge drinking. Finally, we have also shown that sleep disruptions observed during acute withdrawal, are caused due to impaired sleep homeostasis. In conclusion, we suggest that alcohol may disrupt sleep homeostasis to cause sleep disruptions.
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Affiliation(s)
- Mahesh M Thakkar
- Harry S. Truman Memorial Veterans Hospital, Columbia, MO 65201, USA; Department of Neurology, University of Missouri, Columbia, MO 65201, USA.
| | - Rishi Sharma
- Harry S. Truman Memorial Veterans Hospital, Columbia, MO 65201, USA; Department of Neurology, University of Missouri, Columbia, MO 65201, USA
| | - Pradeep Sahota
- Harry S. Truman Memorial Veterans Hospital, Columbia, MO 65201, USA; Department of Neurology, University of Missouri, Columbia, MO 65201, USA
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38
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Rosenwasser AM. Sleep, circadian rhythms and alcohol: introduction and overview. Alcohol 2015; 49:297. [PMID: 25963951 DOI: 10.1016/j.alcohol.2015.04.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2015] [Accepted: 04/16/2015] [Indexed: 10/23/2022]
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39
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Zhdanova IV, Rogers J, González-Martínez J, Farrer LA. The ticking clock of Cayo Santiago macaques and its implications for understanding human circadian rhythm disorders. Am J Primatol 2015; 78:117-26. [PMID: 25940511 PMCID: PMC4851432 DOI: 10.1002/ajp.22413] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2014] [Revised: 01/25/2015] [Accepted: 02/20/2015] [Indexed: 12/04/2022]
Abstract
The circadian clock disorders in humans remain poorly understood. However, their impact on the development and progression of major human conditions, from cancer to insomnia, metabolic or mental illness becomes increasingly apparent. Addressing human circadian disorders in animal models is, in part, complicated by inverse temporal relationship between the core clock and specific physiological or behavioral processes in diurnal and nocturnal animals. Major advantages of a macaque model for translational circadian research, as a diurnal vertebrate phylogenetically close to humans, are further emphasized by the discovery of the first familial circadian disorder in non‐human primates among the rhesus monkeys originating from Cayo Santiago. The remarkable similarity of their pathological phenotypes to human Delayed Sleep Phase Disorder (DSPD), high penetrance of the disorder within one branch of the colony and the large number of animals available provide outstanding opportunities for studying the mechanisms of circadian disorders, their impact on other pathological conditions, and for the development of novel and effective treatment strategies. Am. J. Primatol. 78:117–126, 2016. © 2016 The Authors. American Journal of Primatology published by Wiley Periodicals, Inc.
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Affiliation(s)
- Irina V Zhdanova
- Department of Anatomy and Neurobiology, Boston University School of Medicine, Boston, MA
| | - Jeffrey Rogers
- Deptartment of Molecular and Human Genetics, Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX
| | | | - Lindsay A Farrer
- Departments of Medicine (Biomedical Genetics), Neurology, Ophthalmology, Epidemiology, and Biostatistics, Boston University Schools of Medicine and Public Health, Boston, MA
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40
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Zordan MA, Sandrelli F. Circadian Clock Dysfunction and Psychiatric Disease: Could Fruit Flies have a Say? Front Neurol 2015; 6:80. [PMID: 25941512 PMCID: PMC4403521 DOI: 10.3389/fneur.2015.00080] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2015] [Accepted: 03/24/2015] [Indexed: 12/15/2022] Open
Abstract
There is evidence of a link between the circadian system and psychiatric diseases. Studies in humans and mammals suggest that environmental and/or genetic disruption of the circadian system leads to an increased liability to psychiatric disease. Disruption of clock genes and/or the clock network might be related to the etiology of these pathologies; also, some genes, known for their circadian clock functions, might be associated to mental illnesses through clock-independent pleiotropy. Here, we examine the features which we believe make Drosophila melanogaster a model apt to study the role of the circadian clock in psychiatric disease. Despite differences in the organization of the clock system, the molecular architecture of the Drosophila and mammalian circadian oscillators are comparable and many components are evolutionarily related. In addition, Drosophila has a rather complex nervous system, which shares much at the cell and neurobiological level with humans, i.e., a tripartite brain, the main neurotransmitter systems, and behavioral traits: circadian behavior, learning and memory, motivation, addiction, social behavior. There is evidence that the Drosophila brain shares some homologies with the vertebrate cerebellum, basal ganglia, and hypothalamus-pituitary-adrenal axis, the dysfunctions of which have been tied to mental illness. We discuss Drosophila in comparison to mammals with reference to the: organization of the brain and neurotransmitter systems; architecture of the circadian clock; clock-controlled behaviors. We sum up current knowledge on behavioral endophenotypes, which are amenable to modeling in flies, such as defects involving sleep, cognition, or social interactions, and discuss the relationship of the circadian system to these traits. Finally, we consider if Drosophila could be a valuable asset to understand the relationship between circadian clock malfunction and psychiatric disease.
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Affiliation(s)
- Mauro Agostino Zordan
- Department of Biology, University of Padova, Padova, Italy
- Cognitive Neuroscience Center, University of Padova, Padova, Italy
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41
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Webb IC, Lehman MN, Coolen LM. Diurnal and circadian regulation of reward-related neurophysiology and behavior. Physiol Behav 2015; 143:58-69. [PMID: 25708277 DOI: 10.1016/j.physbeh.2015.02.034] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2014] [Revised: 02/09/2015] [Accepted: 02/17/2015] [Indexed: 12/16/2022]
Abstract
Here, we review work over the past two decades that has indicated drug reward is modulated by the circadian system that generates daily (i.e., 24h) rhythms in physiology and behavior. Specifically, drug-self administration, psychomotor stimulant-induced conditioned place preference, and locomotor sensitization vary widely across the day in various species. These drug-related behavioral rhythms are associated with rhythmic neural activity and dopaminergic signaling in the mesocorticolimbic pathways, with a tendency toward increased activity during the species typical wake period. While the mechanisms responsible for such cellular rhythmicity remain to be fully identified, circadian clock genes are expressed in these brain areas and can function locally to modulate both dopaminergic neurotransmission and drug-associated behavior. In addition, neural and endocrine inputs to these brain areas contribute to cellular and reward-related behavioral rhythms, with the medial prefrontal cortex playing a pivotal role. Acute or chronic administration of drugs of abuse can also alter clock gene expression in reward-related brain regions. Emerging evidence suggests that drug craving in humans is under a diurnal regulation and that drug reward may be influenced by clock gene polymorphisms. These latter findings, in particular, indicate that the development of therapeutic strategies to modulate the circadian influence on drug reward may prove beneficial in the treatment of substance abuse disorders.
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Affiliation(s)
- Ian C Webb
- Dept. of Neurobiology and Anatomical Sciences, University of Mississippi Medical Center, Jackson, MS, USA.
| | - Michael N Lehman
- Dept. of Neurobiology and Anatomical Sciences, University of Mississippi Medical Center, Jackson, MS, USA
| | - Lique M Coolen
- Dept. of Neurobiology and Anatomical Sciences, University of Mississippi Medical Center, Jackson, MS, USA; Dept. of Physiology & Biophysics, University of Mississippi Medical Center, Jackson, MS, USA
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Cao W, Edery I. A novel pathway for sensory-mediated arousal involves splicing of an intron in the period clock gene. Sleep 2015; 38:41-51. [PMID: 25325457 DOI: 10.5665/sleep.4322] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2014] [Accepted: 05/17/2014] [Indexed: 01/07/2023] Open
Abstract
STUDY OBJECTIVES D. melanogaster is an excellent animal model to study how the circadian (≅24-h) timing system and sleep regulate daily wake-sleep cycles. Splicing of a temperature-sensitive 3'-terminal intron (termed dmpi8) from the circadian clock gene period (per) regulates the distribution of daily activity in Drosophila. The role of dmpi8 splicing on daily behavior was further evaluated by analyzing sleep. DESIGN Transgenic flies of the same genetic background but expressing either a wild-type recombinant per gene or one where the efficiency of dmpi8 splicing was increased were exposed to different temperatures in daily light-dark cycles and sleep parameters measured. In addition, transgenic flies were briefly exposed to a variety of sensory-mediated stimuli to measure arousal responses. RESULTS Surprisingly, we show that the effect of dmpi8 splicing on daytime activity levels does not involve a circadian role for per but is linked to adjustments in sensory-dependent arousal and sleep behavior. Genetically altered flies with high dmpi8 splicing efficiency remain aroused longer following short treatments with light and non-photic cues such as mechanical stimulation. CONCLUSIONS We propose that the thermal regulation of dmpi8 splicing acts as a temperature-calibrated rheostat in a novel arousal mechanism, so that on warm days the inefficient splicing of the dmpi8 intron triggers an increase in quiescence by decreasing sensory-mediated arousal, thus ensuring flies minimize being active during the hot midday sun despite the presence of light in the environment, which is usually a strong arousal cue for diurnal animals.
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Affiliation(s)
- Weihuan Cao
- Rutgers University, Center for Advanced Biotechnology and Medicine, Piscataway, NJ
| | - Isaac Edery
- Department of Molecular Biology and Biochemistry, Rutgers University, Center for Advanced Biotechnology and Medicine, Piscataway, NJ
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Nohara K, Yoo SH, Chen Z(J. Manipulating the circadian and sleep cycles to protect against metabolic disease. Front Endocrinol (Lausanne) 2015; 6:35. [PMID: 25852644 PMCID: PMC4369727 DOI: 10.3389/fendo.2015.00035] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Accepted: 03/03/2015] [Indexed: 11/30/2022] Open
Abstract
Modernization of human society parallels an epidemic of metabolic disorders including obesity. Apart from excess caloric intake, a 24/7 lifestyle poses another important challenge to our metabolic health. Recent research under both laboratory and epidemiological settings has indicated that abnormal temporal organization of sleep and wakeful activities including food intake is a significant risk factor for metabolic disease. The circadian clock system is our intrinsic biological timer that regulates internal rhythms such as the sleep/wake cycle and also responses to external stimuli including light and food. Initially thought to be mainly involved in the timing of sleep, the clock, and/or clock genes may also play a role in sleep architecture and homeostasis. Importantly, an extensive body of evidence has firmly established a master regulatory role of the clock in energy balance. Together, a close relationship between well-timed circadian/sleep cycles and metabolic health is emerging. Exploiting this functional connection, an important holistic strategy toward curbing the epidemic of metabolic disorders (e.g., obesity) involves corrective measures on the circadian clock and sleep. In addition to behavioral and environmental interventions including meal timing and light control, pharmacological agents targeting sleep and circadian clocks promise convenient and effective applications. Recent studies, for example, have reported small molecules targeting specific clock components and displaying robust beneficial effects on sleep and metabolism. Furthermore, a group of clock-amplitude-enhancing small molecules (CEMs) identified via high-throughput chemical screens are of particular interest for future in vivo studies of their metabolic and sleep efficacies. Elucidating the functional relationship between clock, sleep, and metabolism will also have far-reaching implications for various chronic human diseases and aging.
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Affiliation(s)
- Kazunari Nohara
- Department of Biochemistry and Molecular Biology, The University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Seung-Hee Yoo
- Department of Biochemistry and Molecular Biology, The University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Zheng (Jake) Chen
- Department of Biochemistry and Molecular Biology, The University of Texas Health Science Center at Houston, Houston, TX, USA
- *Correspondence: Zheng (Jake) Chen, Department of Biochemistry and Molecular Biology, The University of Texas Health Science Center at Houston, 6431 Fannin Street, MSB 6.200, Houston, TX 77030, USA e-mail:
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Ruby CL, Vadnie CA, Hinton DJ, Abulseoud OA, Walker DL, O'Connor KM, Noterman MF, Choi DS. Adenosinergic regulation of striatal clock gene expression and ethanol intake during constant light. Neuropsychopharmacology 2014; 39:2432-40. [PMID: 24755889 PMCID: PMC4138755 DOI: 10.1038/npp.2014.94] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2014] [Revised: 04/09/2014] [Accepted: 04/17/2014] [Indexed: 01/19/2023]
Abstract
Circadian rhythm and sleep disruptions occur frequently in individuals with alcohol use disorders (AUD) and present significant barriers to treatment. Recently, a variant of adenosine transporter, equilibrative nucleoside transporter 1 (ENT1), was associated with the co-occurrence of sleep problems and AUD. We have previously shown that mice lacking ENT1 (ENT1 KO) have reduced adenosine levels in the striatum and drink more alcohol compared with wild types (WT). However, it is unknown whether ENT1 deletion disrupts circadian rhythms, which may contribute to alcohol preference in ENT1 KO mice. Here we used these mice to determine whether endogenous adenosine regulates circadian genetic and behavioral rhythms and influences alcohol intake during chronodisruption. We examined circadian locomotor activity in ENT1 KO vs WT littermates and found that ENT1 KO mice were both active earlier and hyperactive compared with WT mice at night. We used real-time PCR and immunohistochemistry to estimate striatal clock gene levels and found that PER2 expression in the striatum was blunted by ENT1 deletion or A2A receptor (A2AR) antagonism. Next, we exposed ENT1 KO and WT mice to constant light (LL) and found further elevation in ethanol intake in ENT1 KO, but not in WT mice, supporting the notion that circadian dysfunction may contribute to increased alcohol intake in ENT1 KO mice. Finally, we showed that A2AR agonist administration normalized PER1 and PER2 expression and circadian locomotor activity in ENT1 KO mice. Together, our results demonstrate that adenosine signaling regulates cellular and behavioral circadian timing and influences alcohol intake during chronodisruption.
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Affiliation(s)
- Christina L Ruby
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic College of Medicine, Rochester, MN, USA,Department of Biology, Indiana University of Pennsylvania, Indiana, PA, USA
| | - Chelsea A Vadnie
- Neurobiology of Disease Program, Mayo Clinic College of Medicine, Rochester, MN, USA
| | - David J Hinton
- Neurobiology of Disease Program, Mayo Clinic College of Medicine, Rochester, MN, USA
| | - Osama A Abulseoud
- Department of Psychiatry and Psychology, Mayo Clinic College of Medicine, Rochester, MN, USA
| | - Denise L Walker
- Department of Psychiatry and Psychology, Mayo Clinic College of Medicine, Rochester, MN, USA
| | - Katheryn M O'Connor
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic College of Medicine, Rochester, MN, USA
| | - Maria F Noterman
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic College of Medicine, Rochester, MN, USA
| | - Doo-Sup Choi
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic College of Medicine, Rochester, MN, USA,Neurobiology of Disease Program, Mayo Clinic College of Medicine, Rochester, MN, USA,Department of Psychiatry and Psychology, Mayo Clinic College of Medicine, Rochester, MN, USA,Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic College of Medicine, 200 First Street SW, Rochester, MN 55905, USA, Tel: +1 507 284 5602, Fax: +1 507 266 0824, E-mail:
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Cleal JK, Shepherd JN, Shearer JL, Bruce KD, Cagampang FR. Sensitivity of housekeeping genes in the suprachiasmatic nucleus of the mouse brain to diet and the daily light–dark cycle. Brain Res 2014; 1575:72-7. [DOI: 10.1016/j.brainres.2014.05.031] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2014] [Revised: 05/20/2014] [Accepted: 05/21/2014] [Indexed: 02/07/2023]
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Royston SE, Yasui N, Kondilis AG, Lord SV, Katzenellenbogen JA, Mahoney MM. ESR1 and ESR2 differentially regulate daily and circadian activity rhythms in female mice. Endocrinology 2014; 155:2613-23. [PMID: 24735329 PMCID: PMC5393318 DOI: 10.1210/en.2014-1101] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Estrogenic signaling shapes and modifies daily and circadian rhythms, the disruption of which has been implicated in psychiatric, neurologic, cardiovascular, and metabolic disease, among others. However, the activational mechanisms contributing to these effects remain poorly characterized. To determine the activational impact of estrogen on daily behavior patterns and differentiate between the contributions of the estrogen receptors ESR1 and ESR2, ovariectomized adult female mice were administered estradiol, the ESR1 agonist propylpyrazole triol, the ESR2 agonist diarylpropionitrile, or cholesterol (control). Animals were singly housed with running wheels in a 12-hour light, 12-hour dark cycle or total darkness. Estradiol increased total activity and amplitude, consolidated activity to the dark phase, delayed the time of peak activity (acrophase of wheel running), advanced the time of activity onset, and shortened the free running period (τ), but did not alter the duration of activity (α). Importantly, activation of ESR1 or ESR2 differentially impacted daily and circadian rhythms. ESR1 stimulation increased total wheel running and amplitude and reduced the proportion of activity in the light vs the dark. Conversely, ESR2 activation modified the distribution of activity across the day, delayed acrophase of wheel running, and advanced the time of activity onset. Interestingly, τ was shortened by estradiol or either estrogen receptor agonist. Finally, estradiol-treated animals administered a light pulse in the early subjective night, but no other time, had an attenuated response compared with controls. This decreased phase response was mirrored by animals treated with diarylpropionitrile, but not propylpyrazole triol. To conclude, estradiol has strong activational effects on the temporal patterning and expression of daily and circadian behavior, and these effects are due to distinct mechanisms elicited by ESR1 and ESR2 activation.
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Affiliation(s)
- S E Royston
- Neuroscience Program (S.E.R., M.M.M.), Medical Scholars Program (S.E.R.), and Departments of Chemistry (N.Y., J.A.K.) and Comparative Biosciences (A.G.K., S.V.L., M.M.M.), University of Illinois Urbana-Champaign, Urbana, Illinois 61802
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Logan RW, Williams WP, McClung CA. Circadian rhythms and addiction: mechanistic insights and future directions. Behav Neurosci 2014; 128:387-412. [PMID: 24731209 DOI: 10.1037/a0036268] [Citation(s) in RCA: 94] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Circadian rhythms are prominent in many physiological and behavioral functions. Circadian disruptions either by environmental or molecular perturbation can have profound health consequences, including the development and progression of addiction. Both animal and humans studies indicate extensive bidirectional relationships between the circadian system and drugs of abuse. Addicted individuals display disrupted rhythms, and chronic disruption or particular chronotypes may increase the risk for substance abuse and relapse. Moreover, polymorphisms in circadian genes and an evening chronotype have been linked to mood and addiction disorders, and recent efforts suggest an association with the function of reward neurocircuitry. Animal studies are beginning to determine how altered circadian gene function results in drug-induced neuroplasticity and behaviors. Many studies suggest a critical role for circadian rhythms in reward-related pathways in the brain and indicate that drugs of abuse directly affect the central circadian pacemaker. In this review, we highlight key findings demonstrating the importance of circadian rhythms in addiction and how future studies will reveal important mechanistic insights into the involvement of circadian rhythms in drug addiction.
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Affiliation(s)
- Ryan W Logan
- Department of Psychiatry, University of Pittsburgh School of Medicine
| | - Wilbur P Williams
- Department of Psychiatry, University of Pittsburgh School of Medicine
| | - Colleen A McClung
- Department of Psychiatry, University of Pittsburgh School of Medicine
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48
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Al-Nuaimi Y, Hardman JA, Bíró T, Haslam IS, Philpott MP, Tóth BI, Farjo N, Farjo B, Baier G, Watson REB, Grimaldi B, Kloepper JE, Paus R. A meeting of two chronobiological systems: circadian proteins Period1 and BMAL1 modulate the human hair cycle clock. J Invest Dermatol 2014; 134:610-619. [PMID: 24005054 DOI: 10.1038/jid.2013.366] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2013] [Revised: 08/01/2013] [Accepted: 08/18/2013] [Indexed: 12/28/2022]
Abstract
The hair follicle (HF) is a continuously remodeled mini organ that cycles between growth (anagen), regression (catagen), and relative quiescence (telogen). As the anagen-to-catagen transformation of microdissected human scalp HFs can be observed in organ culture, it permits the study of the unknown controls of autonomous, rhythmic tissue remodeling of the HF, which intersects developmental, chronobiological, and growth-regulatory mechanisms. The hypothesis that the peripheral clock system is involved in hair cycle control, i.e., the anagen-to-catagen transformation, was tested. Here we show that in the absence of central clock influences, isolated, organ-cultured human HFs show circadian changes in the gene and protein expression of core clock genes (CLOCK, BMAL1, and Period1) and clock-controlled genes (c-Myc, NR1D1, and CDKN1A), with Period1 expression being hair cycle dependent. Knockdown of either BMAL1 or Period1 in human anagen HFs significantly prolonged anagen. This provides evidence that peripheral core clock genes modulate human HF cycling and are an integral component of the human hair cycle clock. Specifically, our study identifies BMAL1 and Period1 as potential therapeutic targets for modulating human hair growth.
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Affiliation(s)
- Yusur Al-Nuaimi
- The Dermatology Centre, Salford Royal NHS Foundation Trust and the Institute of Inflammation and Repair, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK
| | - Jonathan A Hardman
- The Dermatology Centre, Salford Royal NHS Foundation Trust and the Institute of Inflammation and Repair, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK; Doctoral Training Centre in Integrative Systems Biology, Manchester Institute of Biotechnology, University of Manchester, Manchester, UK
| | - Tamás Bíró
- DE-MTA ''Lendulet'' Cell Physiology Group, Department of Physiology, University of Debrecen, Debrecen, Hungary
| | - Iain S Haslam
- The Dermatology Centre, Salford Royal NHS Foundation Trust and the Institute of Inflammation and Repair, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK
| | - Michael P Philpott
- Centre for Cutaneous Research, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Balázs I Tóth
- DE-MTA ''Lendulet'' Cell Physiology Group, Department of Physiology, University of Debrecen, Debrecen, Hungary
| | | | | | - Gerold Baier
- Faculty of Life Sciences, Division of Biosciences, Department of Cell and Developmental Biology, University College London, London, UK
| | - Rachel E B Watson
- The Dermatology Centre, Salford Royal NHS Foundation Trust and the Institute of Inflammation and Repair, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK
| | | | | | - Ralf Paus
- The Dermatology Centre, Salford Royal NHS Foundation Trust and the Institute of Inflammation and Repair, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK; Department of Dermatology, University of Luebeck, Luebeck, Germany.
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Human CLOCK gene-associated attention deficit hyperactivity disorder-related features in healthy adults: quantitative association study using Wender Utah Rating Scale. Eur Arch Psychiatry Clin Neurosci 2014; 264:71-81. [PMID: 24068320 DOI: 10.1007/s00406-013-0443-y] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2012] [Accepted: 09/02/2013] [Indexed: 12/23/2022]
Abstract
Circadian rhythm disturbance is highly prevalent in attention deficit hyperactivity disorder (ADHD). Recently, the association between the CLOCK gene and ADHD has been demonstrated in clinical samples, and the CLOCK gene's role was thought to be mediated by rhythm dysregulation. Meanwhile, ADHD has been suggested as the extreme end of a continuously distributed trait that can be found in the general population. Therefore, we examined two possibilities: (1) an ADHD-related continuous trait may be associated with the CLOCK gene, and (2) this association may be mediated by the degree of individuals' evening preference. To explore these possibilities, we performed a quantitative trait locus association study with a sample of 1,289 healthy adults. The Wender Utah Rating Scale (WURS) and the Composite Scale of Morningness (CSM) were utilized to measure the quantitative traits. Quantitative association analysis was performed using PLINK software. We found that rs1801260 (=T3111C) was associated with WURS scores in both allele-wise (p = 0.018) and haplotype-wise analyses (range of p values: 0.0155-0.0171) in male participants only. After controlling for the CSM total score as a covariate, the strength of the association did not change at all, suggesting that the association was not mediated by evening preference. Despite the very weak association signal, our results provide evidence that the CLOCK gene's association with ADHD in clinical samples may be generalizable to traits measured in the normal population. However, as our results failed to show a mediating role of evening preference, ongoing efforts are needed to identify the mechanisms by which the CLOCK gene determines ADHD-related traits.
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Bailey M, Silver R. Sex differences in circadian timing systems: implications for disease. Front Neuroendocrinol 2014; 35:111-39. [PMID: 24287074 PMCID: PMC4041593 DOI: 10.1016/j.yfrne.2013.11.003] [Citation(s) in RCA: 200] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2013] [Revised: 11/13/2013] [Accepted: 11/17/2013] [Indexed: 12/22/2022]
Abstract
Virtually every eukaryotic cell has an endogenous circadian clock and a biological sex. These cell-based clocks have been conceptualized as oscillators whose phase can be reset by internal signals such as hormones, and external cues such as light. The present review highlights the inter-relationship between circadian clocks and sex differences. In mammals, the suprachiasmatic nucleus (SCN) serves as a master clock synchronizing the phase of clocks throughout the body. Gonadal steroid receptors are expressed in almost every site that receives direct SCN input. Here we review sex differences in the circadian timing system in the hypothalamic-pituitary-gonadal axis (HPG), the hypothalamic-adrenal-pituitary (HPA) axis, and sleep-arousal systems. We also point to ways in which disruption of circadian rhythms within these systems differs in the sexes and is associated with dysfunction and disease. Understanding sex differentiated circadian timing systems can lead to improved treatment strategies for these conditions.
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Affiliation(s)
- Matthew Bailey
- Department of Psychology, Columbia University, United States.
| | - Rae Silver
- Department of Psychology, Columbia University, United States; Department of Psychology, Barnard College, United States; Department of Pathology and Cell Biology, Columbia University Medical Center, United States.
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