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Luo Y, Yu L, Zhang P, Lin W, Xu H, Dou Z, Zhao G, Peng W, Zeng F, Yu S. Larger hypothalamic subfield volumes in patients with chronic insomnia disorder and relationships to levels of corticotropin-releasing hormone. J Affect Disord 2024; 351:870-877. [PMID: 38341156 DOI: 10.1016/j.jad.2024.02.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 01/31/2024] [Accepted: 02/07/2024] [Indexed: 02/12/2024]
Abstract
The hypothalamus is a well-established core structure in the sleep-wake cycle. While previous studies have not consistently found whole hypothalamus volume changes in chronic insomnia disorder (CID), differences may exist at the smaller substructural level of the hypothalamic nuclei. The study aimed to investigate the differences in total and subfield hypothalamic volumes, between CID patients and healthy controls (HCs) in vivo, through an advanced deep learning-based automated segmentation tool. A total of 150 patients with CID and 155 demographically matched HCs underwent T1-weighted structural magnetic resonance scanning. We utilized FreeSurfer v7.2 for automated segmentation of the hypothalamus and its five nuclei. Additionally, correlation and causal mediation analyses were performed to investigate the association between hypothalamic volume changes, insomnia symptom severity, and hypothalamus-pituitary-adrenal (HPA) axis-related blood biomarkers. CID patients exhibited larger volumes in the right anterior inferior, left anterior superior, and left posterior subunits of the hypothalamus compared to HCs. Moreover, we observed a positive association between blood corticotropin-releasing hormone (CRH) levels and insomnia severity, with anterior inferior hypothalamus (a-iHyp) hypertrophy mediating this relationship. In conclusion, we found significant volume increases in several hypothalamic subfield regions in CID patients, highlighting the central role of the HPA axis in the pathophysiology of insomnia.
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Affiliation(s)
- Yucai Luo
- School of Acupuncture and Tuina, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Liyong Yu
- School of Acupuncture and Tuina, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Pan Zhang
- Nervous System Disease Treatment Center, Traditional Chinese Medicine Hospital of Meishan, Meishan, China
| | - Wenting Lin
- School of Rehabilitation and Health Preservation, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Hao Xu
- School of Acupuncture and Tuina, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Zeyang Dou
- School of Acupuncture and Tuina, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Guangli Zhao
- School of Rehabilitation and Health Preservation, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Wei Peng
- Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China
| | - Fang Zeng
- School of Acupuncture and Tuina, Chengdu University of Traditional Chinese Medicine, Chengdu, China; Acupuncture and Brain Science Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Siyi Yu
- School of Acupuncture and Tuina, Chengdu University of Traditional Chinese Medicine, Chengdu, China; Acupuncture and Brain Science Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu, China.
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Gore SV, Del Rosario Hernández T, Creton R. Behavioral effects of visual stimuli in adult zebrafish using a novel eight-tank imaging system. Front Behav Neurosci 2024; 18:1320126. [PMID: 38529416 PMCID: PMC10962262 DOI: 10.3389/fnbeh.2024.1320126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 02/12/2024] [Indexed: 03/27/2024] Open
Abstract
Introduction Animals respond to various environmental cues. Animal behavior is complex, and behavior analysis can greatly help to understand brain function. Most of the available behavioral imaging setups are expensive, provide limited options for customization, and allow for behavioral imaging of one animal at a time. Methods The current study takes advantage of adult zebrafish as a model organism to study behavior in a novel behavioral setup allowing one to concurrently image 8 adult zebrafish. Results Our results indicate that adult zebrafish show a unique behavioral profile in response to visual stimuli such as moving lines. In the presence of moving lines, the fish spent more time exploring the tank and spent more time toward the edges of the tanks. In addition, the fish moved and oriented themselves against the direction of the moving lines, indicating a negative optomotor response (OMR). With repeated exposure to moving lines, we observed a reduced optomotor response in adult zebrafish. Discussion Our behavioral setup is relatively inexpensive, provides flexibility in the presentation of various animated visual stimuli, and offers improved throughput for analyzing behavior in adult zebrafish. This behavioral setup shows promising potential to quantify various behavioral measures and opens new avenues to understand complex behaviors.
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Affiliation(s)
- Sayali V. Gore
- Department of Molecular Biology, Cell Biology, and Biochemistry, Brown University, Providence, RI, United States
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Kuo LT, Lu HY, Chen YH. Traumatic brain injury-induced disruption of the circadian clock. J Mol Med (Berl) 2024; 102:403-414. [PMID: 38285094 PMCID: PMC10879350 DOI: 10.1007/s00109-024-02416-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 12/16/2023] [Accepted: 01/03/2024] [Indexed: 01/30/2024]
Abstract
Disturbances in the circadian rhythm have been reported in patients following traumatic brain injury (TBI). However, the rhythmic expression of circadian genes in peripheral blood leukocytes (PBL) following TBI has not yet been studied. The messenger ribonucleic acid (mRNA) expression of period 1 (Per1), Per2, Per3, cryptochrome 1 (Cry1), Cry2, brain and muscle aryl hydrocarbon receptor nuclear translocator-like 1 (Bmal1), and circadian locomotor output cycles kaput (Clock) was quantified in PBLs from sham-operated rats and rats with acute subdural hematoma (ASDH) over a 48-h period. The rectal temperature of the animals was measured every 4 h over 2 days. The mesor, rhythm, amplitude, and acrophase were estimated using cosinor analysis. Cosinor analysis revealed that Per2, Cry1, and Bmal1 mRNAs were rhythmically expressed in the PBLs of sham-operated rats. In contrast, fluctuations in rhythmic expression were not observed following ASDH. The rectal temperature of sham-operated rats also exhibited rhythmicity. ASDH rats had a disrupted rectal temperature rhythm, a diminished amplitude, and an acrophase shift. TBI with ASDH results in dysregulated expression of some circadian genes and changes in body temperature rhythm. Further research is required to understand the pathophysiology of altered circadian networks following TBI. KEY MESSAGES: First to investigate the mRNA expression of circadian genes in PBLs of ASDH rats. ASDH rats had disrupted rhythmicity of Per2, Cry1, and Bmal1 mRNA expression. Cosinor analysis showed that ASDH rats had a disrupted rectal temperature rhythm.
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Affiliation(s)
- Lu-Ting Kuo
- Division of Neurosurgery, Department of Surgery, National Taiwan University Hospital, 7 Chun-Shan South Road, Taipei, 100, Taiwan.
- Division of Neurosurgery, Department of Surgery, National Taiwan University Hospital, Yun-Lin Branch, Douliu, Yunlin, 640, Taiwan.
| | - Hsueh-Yi Lu
- Department of Industrial Engineering and Management, National Yunlin University of Science and Technology, Douliu, Yunlin, 640, Taiwan
| | - Yi-Hsing Chen
- Division of Neurosurgery, Department of Surgery, National Taiwan University Hospital, 7 Chun-Shan South Road, Taipei, 100, Taiwan
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Holmes KE, Fox N, King J, Presby DM, Kim J. Connection Between Sleep and Psychological Well-Being in U.S. Army Soldiers. Mil Med 2024; 189:e40-e48. [PMID: 37265329 PMCID: PMC10824482 DOI: 10.1093/milmed/usad187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 04/20/2023] [Accepted: 05/11/2023] [Indexed: 06/03/2023] Open
Abstract
INTRODUCTION The goal of this exploratory study was to examine the relationships between sleep consistency and workplace resilience among soldiers stationed in a challenging Arctic environment. MATERIALS AND METHODS A total of 862 soldiers (67 females) on an Army base in Anchorage, AK, were provided WHOOP 3.0, a validated sleep biometric capture device and were surveyed at onboarding and at the conclusion of the study. Soldiers joined the study from early January to early March 2021 and completed the study in July 2021 (650 soldiers completed the onboarding survey and 210 completed the exit survey, with 151 soldiers completing both). Three comparative analyses were conducted. First, soldiers' sleep and cardiac metrics were compared against the general WHOOP population and a WHOOP sample living in AK. Second, seasonal trends (summer versus winter) in soldiers' sleep metrics (time in bed, hours of sleep, wake duration during sleep, time of sleep onset/offset, and disturbances) were analyzed, and these seasonal trends were compared with the general WHOOP population and the WHOOP sample living in AK. Third, soldiers' exertion, sleep duration, and sleep consistency were correlated with their self-reported psychological functioning. All analyses were conducted with parametric and non-parametric statistics. This study was approved by The University of Queensland Human Research Ethics Committee (Brisbane, Australia) Institutional Review Board. RESULTS Because of the exploratory nature of the study, the critical significance value was set at P < .001. Results revealed that: (1) Arctic soldiers had poorer sleep consistency and sleep duration than the general WHOOP sample and the Alaskan WHOOP sample, (2) Arctic soldiers showed a decrease in sleep consistency and sleep duration in the summer compared to that in the winter, (3) Arctic soldiers were less able to control their bedroom environment in the summer than in the winter, and (4) sleep consistency but not sleep duration correlated positively with self-report measures of workplace resilience and healthy social networks and negatively with homesickness. CONCLUSIONS The study highlights the relationship between seasonality, sleep consistency, and psychological well-being. The results indicate the potential importance of sleep consistency in psychological functioning, suggesting that future work should manipulate factors known to increase sleep consistency to assess whether improved sleep consistency can enhance the well-being of soldiers. Such efforts would be of particular value in an Arctic environment, where seasonality effects are large and sleep consistency is difficult to maintain.
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Affiliation(s)
- Kristen E Holmes
- School of Psychology, University of Queensland, St Lucia, QLD 4072, Australia
- Performance Science, Whoop Inc., Boston, MA 02215, USA
| | - Nadia Fox
- School of Psychology, University of Queensland, St Lucia, QLD 4072, Australia
| | - Jemma King
- School of Psychology, University of Queensland, St Lucia, QLD 4072, Australia
- BioPsych Analytics, Tennyson, QLD 4105, Australia
| | | | - Jeongeun Kim
- Performance Science, Whoop Inc., Boston, MA 02215, USA
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Amidfar M, Garcez ML, Kim YK. The shared molecular mechanisms underlying aging of the brain, major depressive disorder, and Alzheimer's disease: The role of circadian rhythm disturbances. Prog Neuropsychopharmacol Biol Psychiatry 2023; 123:110721. [PMID: 36702452 DOI: 10.1016/j.pnpbp.2023.110721] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 01/07/2023] [Accepted: 01/19/2023] [Indexed: 01/24/2023]
Abstract
An association with circadian clock function and pathophysiology of aging, major depressive disorder (MDD), and Alzheimer's disease (AD) is well established and has been proposed as a factor in the development of these diseases. Depression and changes in circadian rhythm have been increasingly suggested as the two primary overlapping and interpenetrating changes that occur with aging. The relationship between AD and depression in late life is not completely understood and probably is complex. Patients with major depression or AD suffer from disturbed sleep/wake cycles and altered rhythms in daily activities. Although classical monoaminergic hypotheses are traditionally proposed to explain the pathophysiology of MDD, several clinical and preclinical studies have reported a strong association between circadian rhythm and mood regulation. In addition, a large body of evidence supports an association between disruption of circadian rhythm and AD. Some clock genes are dysregulated in rodent models of depression. If aging, AD, and MDD share a common biological basis in pathophysiology, common therapeutic tools could be investigated for their prevention and treatment. Nitro-oxidative stress (NOS), for example, plays a fundamental role in aging, as well as in the pathogenesis of AD and MDD and is associated with circadian clock disturbances. Thus, development of therapeutic possibilities with these NOS-related conditions is advisable. This review describes recent findings that link disrupted circadian clocks to aging, MDD, and AD and summarizes the experimental evidence that supports connections between the circadian clock and molecular pathologic factors as shared common pathophysiological mechanisms underlying aging, AD, and MDD.
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Affiliation(s)
- Meysam Amidfar
- Department of Neuroscience, Shahroud University of Medical Sciences, Shahroud, Iran
| | - Michelle Lima Garcez
- Laboratory of Translational Neuroscience, Department of Biochemistry, Federal University of Santa Catarina (UFSC), Florianópolis, Santa Catarina, Brazil
| | - Yong-Ku Kim
- Department of Psychiatry, College of Medicine, Korea University, Seoul, South Korea.
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Baris I, Ozcan O, Kavakli IH. Single nucleotide polymorphisms (SNPs) in circadian genes: Impact on gene function and phenotype. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2023; 137:17-37. [PMID: 37709375 DOI: 10.1016/bs.apcsb.2023.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
Abstract
Circadian rhythm is an endogenous timing system that allows an organism to anticipate and adapt to daily changes and regulate various physiological variables such as the sleep-wake cycle. This rhythm is governed by a molecular circadian clock mechanism, generated by a transcriptional and translational feedback loop (TTFL) mechanism. In mammals, TTFL is determined by the interaction of four main clock proteins: BMAL1, CLOCK, Cryptochromes (CRY), and Periods (PER). BMAL1 and CLOCK form dimers and initiate the transcription of clock-controlled genes (CCG) by binding an E-box element with the promotor genes. Among CCGs, PERs and CRYs accumulate in the cytosol and translocate into the nucleus, where they interact with the BMAL1/CLOCK dimer and inhibit its activity. Several epidemiological and genetic studies have revealed that circadian rhythm disruption causes various types of disease. In this chapter, we summarize the effect of core clock gene SNPs on circadian rhythm and diseases in humans.
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Affiliation(s)
- Ibrahim Baris
- Department of Molecular Biology and Genetics, Koc University, Rumelifeneri Yolu, Sariyer, Istanbul, Türkiye
| | - Onur Ozcan
- Department of Molecular Biology and Genetics, Koc University, Rumelifeneri Yolu, Sariyer, Istanbul, Türkiye
| | - Ibrahim Halil Kavakli
- Department of Molecular Biology and Genetics, Koc University, Rumelifeneri Yolu, Sariyer, Istanbul, Türkiye; Department of Chemical and Biological Engineering, Koc University, Rumelifeneri Yolu, Sariyer, Istanbul, Türkiye.
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Gore SV, Kakodkar R, Del Rosario Hernández T, Edmister ST, Creton R. Zebrafish Larvae Position Tracker (Z-LaP Tracker): a high-throughput deep-learning behavioral approach for the identification of calcineurin pathway-modulating drugs using zebrafish larvae. Sci Rep 2023; 13:3174. [PMID: 36823315 PMCID: PMC9950053 DOI: 10.1038/s41598-023-30303-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 02/21/2023] [Indexed: 02/25/2023] Open
Abstract
Brain function studies greatly depend on quantification and analysis of behavior. While behavior can be imaged efficiently, the quantification of specific aspects of behavior is labor-intensive and may introduce individual biases. Recent advances in deep learning and artificial intelligence-based tools have made it possible to precisely track individual features of freely moving animals in diverse environments without any markers. In the current study, we developed Zebrafish Larvae Position Tracker (Z-LaP Tracker), a modification of the markerless position estimation software DeepLabCut, to quantify zebrafish larval behavior in a high-throughput 384-well setting. We utilized the high-contrast features of our model animal, zebrafish larvae, including the eyes and the yolk for our behavioral analysis. Using this experimental setup, we quantified relevant behaviors with similar accuracy to the analysis performed by humans. The changes in behavior were organized in behavioral profiles, which were examined by K-means and hierarchical cluster analysis. Calcineurin inhibitors exhibited a distinct behavioral profile characterized by increased activity, acoustic hyperexcitability, reduced visually guided behaviors, and reduced habituation to acoustic stimuli. The developed methodologies were used to identify 'CsA-type' drugs that might be promising candidates for the prevention and treatment of neurological disorders.
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Affiliation(s)
- Sayali V. Gore
- grid.40263.330000 0004 1936 9094Department of Molecular Biology, Cell Biology and Biochemistry, Brown University, 185 Meeting Street, Providence, RI 02912 USA
| | - Rohit Kakodkar
- grid.40263.330000 0004 1936 9094Center for Computation and Visualization, Brown University, Providence, RI USA
| | - Thaís Del Rosario Hernández
- grid.40263.330000 0004 1936 9094Department of Molecular Biology, Cell Biology and Biochemistry, Brown University, 185 Meeting Street, Providence, RI 02912 USA
| | - Sara Tucker Edmister
- grid.40263.330000 0004 1936 9094Department of Molecular Biology, Cell Biology and Biochemistry, Brown University, 185 Meeting Street, Providence, RI 02912 USA
| | - Robbert Creton
- grid.40263.330000 0004 1936 9094Department of Molecular Biology, Cell Biology and Biochemistry, Brown University, 185 Meeting Street, Providence, RI 02912 USA
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Marceliano CRV, Gavião MBD. Possible sleep bruxism and biological rhythm in school children. Clin Oral Investig 2023:10.1007/s00784-023-04900-y. [PMID: 36795249 PMCID: PMC9933813 DOI: 10.1007/s00784-023-04900-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 02/03/2023] [Indexed: 02/17/2023]
Abstract
OBJECTIVE To verify whether children with possible sleep bruxism (PSB) had alterations in biological rhythm and to explore the possible factors involved, such as sleep characteristics, screen time, breathing, sugary food consumption, and clenching teeth during wakefulness reported by parents/guardians. METHODOLOGY Data were collected through online interviews with 178 parents/guardians of students aged 6 to14 years from Piracicaba, SP, BR, when the BRIAN-K scale was answered, which is composed of four domains (1) sleep; (2) daily routine activities; (3) social behavior; (4) eating; questions about predominant rhythms (willingness, concentration, and change day to night). Three groups were formed: (1) without PSB (WPSB), (2) with PSB sometimes (PSBS), and (3) with PSB frequently (PSBF). RESULTS Sociodemographic variables were similar between groups (P > 0.05); the total value of the BRIAN-K was significantly higher for the PSBF group (P < 0.05); the first domain (sleep) presented significantly higher values for the PSB groups (P < 0.05); no significant difference for other domains and predominant rhythms occurred (P > 0.05). The involved factor that differed between groups was clenching teeth, as the number of children with PSBS was significantly higher (χ2, P = 0.005). The first domain of the BRIAN-K (P = 0.003; OR = 1.20), and clenching teeth (P = 0.048; OR = 2.04) were positively associated with PSB. CONCLUSION Difficulties in maintaining sleep rhythm and clenching teeth during wakefulness reported by parents/guardians may determine a greater chance to increase the frequency of PSB. CLINICAL RELEVANCE Good sleep seems to be important to maintain a regular biological rhythm and may reduce the frequency of PSB in the 6-14 age group.
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Affiliation(s)
- Camila Rita Vicente Marceliano
- Department of Health Sciences and Pediatric Dentistry, Piracicaba Dental School, University of Campinas (UNICAMP), Avenida Limeira, 901, Piracicaba, SP, 13414-903, Brazil
| | - Maria Beatriz Duarte Gavião
- Department of Health Sciences and Pediatric Dentistry, Piracicaba Dental School, University of Campinas (UNICAMP), Avenida Limeira, 901, Piracicaba, SP, 13414-903, Brazil.
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Tesfaye R, Huguet G, Schmilovich Z, Renne T, Loum MA, Douard E, Saci Z, Jean-Louis M, Martineau JL, Whelan R, Desrivieres S, Heinz A, Schumann G, Hayward C, Elsabbagh M, Jacquemont S. Investigating the contributions of circadian pathway and insomnia risk genes to autism and sleep disturbances. Transl Psychiatry 2022; 12:424. [PMID: 36192372 PMCID: PMC9529939 DOI: 10.1038/s41398-022-02188-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 09/08/2022] [Accepted: 09/14/2022] [Indexed: 12/12/2022] Open
Abstract
Sleep disturbance is prevalent in youth with Autism Spectrum Disorder (ASD). Researchers have posited that circadian dysfunction may contribute to sleep problems or exacerbate ASD symptomatology. However, there is limited genetic evidence of this. It is also unclear how insomnia risk genes identified through GWAS in general populations are related to ASD and common sleep problems like insomnia traits in ASD. We investigated the contribution of copy number variants (CNVs) encompassing circadian pathway genes and insomnia risk genes to ASD risk as well as sleep disturbances in children with ASD. We studied 5860 ASD probands and 2092 unaffected siblings from the Simons Simplex Collection (SSC) and MSSNG database, as well as 7509 individuals from two unselected populations (IMAGEN and Generation Scotland). Sleep duration and insomnia symptoms were parent reported for SSC probands. We identified 335 and 616 rare CNVs encompassing circadian and insomnia risk genes respectively. Deletions and duplications with circadian genes were overrepresented in ASD probands compared to siblings and unselected controls. For insomnia-risk genes, deletions (not duplications) were associated with ASD in both cohorts. Results remained significant after adjusting for cognitive ability. CNVs containing circadian pathway and insomnia risk genes showed a stronger association with ASD, compared to CNVs containing other genes. Circadian genes did not influence sleep duration or insomnia traits in ASD. Insomnia risk genes intolerant to haploinsufficiency increased risk for insomnia when duplicated. CNVs encompassing circadian and insomnia risk genes increase ASD liability with little to no observable impacts on sleep disturbances.
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Affiliation(s)
- Rackeb Tesfaye
- McGill University, Neurology and Neurosurgery, Montreal Neurological Institute, Azrieli Centre for Autism Research, Montreal, Canada.
| | - Guillaume Huguet
- UHC Sainte-Justine Research Center, Université de Montréal, Montreal, Canada
| | | | - Thomas Renne
- UHC Sainte-Justine Research Center, Université de Montréal, Montreal, Canada
| | - Mor Absa Loum
- UHC Sainte-Justine Research Center, Université de Montréal, Montreal, Canada
| | - Elise Douard
- UHC Sainte-Justine Research Center, Université de Montréal, Montreal, Canada
| | - Zohra Saci
- UHC Sainte-Justine Research Center, Université de Montréal, Montreal, Canada
| | | | - Jean Luc Martineau
- Institut National de la Santé et de la Recherche Médicale, INSERM U A10 "Trajectoires développementales en psychiatrie", Université Paris-Saclay, Paris-Saclay, CNRS, Centre Borelli, Gif-sur-Yvette, France
| | - Rob Whelan
- Global Brain Health Institute and School of Psychology, Trinity College Dublin, Dublin, Ireland
| | - Sylvane Desrivieres
- Centre for Population Neuroscience and Precision Medicine (PONS), Institute of Psychiatry, Psychology & Neuroscience, SGDP Centre, King's College London, London, United Kingdom
| | - Andreas Heinz
- Department of Psychiatry and Psychotherapy CCM, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Gunter Schumann
- Centre for Population Neuroscience and Precision Medicine (PONS), Institute of Psychiatry, Psychology & Neuroscience, SGDP Centre, King's College London, London, United Kingdom
- PONS Research Group, Dept of Psychiatry and Psychotherapy, Campus Charite Mitte, Humboldt University, Berlin and Leibniz Institute for Neurobiology, Magdeburg, Germany, and Institute for Science and Technology of Brain-inspired Intelligence (ISTBI), Fudan University, Shanghai, People's Republic of China
| | - Caroline Hayward
- MRC Human Genetics Unit, Institute of Genetics and Cancer, University of Edinburgh, Western General Hospital, Edinburgh, EH4 2XU, United Kingdom
- Generation Scotland, Centre for Genomic and Experimental Medicine, Institute of Genetics and Cancer, University of Edinburgh, Western General Hospital, Edinburgh, EH4 2XU, United Kingdom
| | - Mayada Elsabbagh
- McGill University, Neurology and Neurosurgery, Montreal Neurological Institute, Azrieli Centre for Autism Research, Montreal, Canada
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Yilmaz S. Impaired biological rhythm in men with methamphetamine use disorder: the relationship with sleep quality and depression. JOURNAL OF SUBSTANCE USE 2022. [DOI: 10.1080/14659891.2022.2098847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Seda Yilmaz
- Department of Psychiatry, Istinye University, Elazığ Medical Park Hospital, Elazığ, Turkey
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11
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Bilu C, Einat H, Zimmet P, Vishnevskia-Dai V, Schwartz WJ, Kronfeld-Schor N. Beneficial effects of voluntary wheel running on activity rhythms, metabolic state, and affect in a diurnal model of circadian disruption. Sci Rep 2022; 12:2434. [PMID: 35165331 PMCID: PMC8844006 DOI: 10.1038/s41598-022-06408-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 01/19/2022] [Indexed: 12/14/2022] Open
Abstract
Emerging evidence suggests that disruption of circadian rhythmicity contributes to development of comorbid depression, cardiovascular diseases (CVD), and type 2 diabetes mellitus (T2DM). Physical exercise synchronizes the circadian system and has ameliorating effects on the depression- and anxiety-like phenotype induced by circadian disruption in mice and sand rats. We explored the beneficial effects of voluntary wheel running on daily rhythms, and the development of depression, T2DM, and CVD in a diurnal animal model, the fat sand rat (Psammomys obesus). Voluntary exercise strengthened general activity rhythms, improved memory and lowered anxiety- and depressive-like behaviors, enhanced oral glucose tolerance, and decreased plasma insulin levels and liver weight. Animals with access to a running wheel had larger heart weight and heart/body weight ratio, and thicker left ventricular wall. Our results demonstrate that exercising ameliorates pathological-like daily rhythms in activity and blood glucose levels, glucose tolerance and depressive- and anxiety-like behaviors in the sand rat model, supporting the important role of physical activity in modulating the “circadian syndrome” and circadian rhythm-related diseases. We suggest that the utilization of a diurnal rodent animal model may offer an effective way to further explore metabolic, cardiovascular, and affective-like behavioral changes related to chronodisruption and their underlying mechanisms.
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12
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Caliandro R, Streng AA, van Kerkhof LWM, van der Horst GTJ, Chaves I. Social Jetlag and Related Risks for Human Health: A Timely Review. Nutrients 2021; 13:nu13124543. [PMID: 34960096 PMCID: PMC8707256 DOI: 10.3390/nu13124543] [Citation(s) in RCA: 67] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/11/2021] [Accepted: 12/15/2021] [Indexed: 11/16/2022] Open
Abstract
The term social jetlag is used to describe the discrepancy between biological time, determined by our internal body clock, and social times, mainly dictated by social obligations such as school or work. In industrialized countries, two-thirds of the studying/working population experiences social jetlag, often for several years. Described for the first time in 2006, a considerable effort has been put into understanding the effects of social jetlag on human physiopathology, yet our understanding of this phenomenon is still very limited. Due to its high prevalence, social jetlag is becoming a primary concern for public health. This review summarizes current knowledge regarding social jetlag, social jetlag associated behavior (e.g., unhealthy eating patterns) and related risks for human health.
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Affiliation(s)
- Rocco Caliandro
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Centre Rotterdam, 3015 GD Rotterdam, The Netherlands; (R.C.); (A.A.S.); (G.T.J.v.d.H.)
| | - Astrid A. Streng
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Centre Rotterdam, 3015 GD Rotterdam, The Netherlands; (R.C.); (A.A.S.); (G.T.J.v.d.H.)
- Centre for Health Protection, National Institute for Public Health and the Environment (RIVM), 3721 MA Bilthoven, The Netherlands;
| | - Linda W. M. van Kerkhof
- Centre for Health Protection, National Institute for Public Health and the Environment (RIVM), 3721 MA Bilthoven, The Netherlands;
| | - Gijsbertus T. J. van der Horst
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Centre Rotterdam, 3015 GD Rotterdam, The Netherlands; (R.C.); (A.A.S.); (G.T.J.v.d.H.)
| | - Inês Chaves
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Centre Rotterdam, 3015 GD Rotterdam, The Netherlands; (R.C.); (A.A.S.); (G.T.J.v.d.H.)
- Correspondence: ; Tel.: +31-10-704-3456; Fax: +31-10-704-4743
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Morris PO, Hope E, Foulsham T, Mills JP. Dance, rhythm, and autism spectrum disorder: An explorative study. ARTS IN PSYCHOTHERAPY 2021. [DOI: 10.1016/j.aip.2020.101755] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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14
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Garrigos D, Martínez-Morga M, Toval A, Kutsenko Y, Barreda A, Do Couto BR, Navarro-Mateu F, Ferran JL. A Handful of Details to Ensure the Experimental Reproducibility on the FORCED Running Wheel in Rodents: A Systematic Review. Front Endocrinol (Lausanne) 2021; 12:638261. [PMID: 34040580 PMCID: PMC8141847 DOI: 10.3389/fendo.2021.638261] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Accepted: 04/16/2021] [Indexed: 12/21/2022] Open
Abstract
A well-documented method and experimental design are essential to ensure the reproducibility and reliability in animal research. Experimental studies using exercise programs in animal models have experienced an exponential increase in the last decades. Complete reporting of forced wheel and treadmill exercise protocols would help to ensure the reproducibility of training programs. However, forced exercise programs are characterized by a poorly detailed methodology. Also, current guidelines do not cover the minimum data that must be included in published works to reproduce training programs. For this reason, we have carried out a systematic review to determine the reproducibility of training programs and experimental designs of published research in rodents using a forced wheel system. Having determined that most of the studies were not detailed enough to be reproducible, we have suggested guidelines for animal research using FORCED exercise wheels, which could also be applicable to any form of forced exercise.
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Affiliation(s)
- Daniel Garrigos
- Department of Human Anatomy and Psychobiology, Faculty of Medicine, University of Murcia, Murcia, Spain
- Institute of Biomedical Research of Murcia—IMIB, Virgen de la Arrixaca University Hospital, University of Murcia, Murcia, Spain
| | - Marta Martínez-Morga
- Department of Human Anatomy and Psychobiology, Faculty of Medicine, University of Murcia, Murcia, Spain
- Institute of Biomedical Research of Murcia—IMIB, Virgen de la Arrixaca University Hospital, University of Murcia, Murcia, Spain
| | - Angel Toval
- Department of Human Anatomy and Psychobiology, Faculty of Medicine, University of Murcia, Murcia, Spain
- Institute of Biomedical Research of Murcia—IMIB, Virgen de la Arrixaca University Hospital, University of Murcia, Murcia, Spain
| | - Yevheniy Kutsenko
- Department of Human Anatomy and Psychobiology, Faculty of Medicine, University of Murcia, Murcia, Spain
- Institute of Biomedical Research of Murcia—IMIB, Virgen de la Arrixaca University Hospital, University of Murcia, Murcia, Spain
| | - Alberto Barreda
- Department of Human Anatomy and Psychobiology, Faculty of Medicine, University of Murcia, Murcia, Spain
- Institute of Biomedical Research of Murcia—IMIB, Virgen de la Arrixaca University Hospital, University of Murcia, Murcia, Spain
| | - Bruno Ribeiro Do Couto
- Department of Human Anatomy and Psychobiology, Faculty of Medicine, University of Murcia, Murcia, Spain
- Institute of Biomedical Research of Murcia—IMIB, Virgen de la Arrixaca University Hospital, University of Murcia, Murcia, Spain
- Faculty of Psychology, University of Murcia, Murcia, Spain
| | - Fernando Navarro-Mateu
- Institute of Biomedical Research of Murcia—IMIB, Virgen de la Arrixaca University Hospital, University of Murcia, Murcia, Spain
- Unidad de Docencia, Investigación y Formación en Salud Mental (UDIF-SM), Servicio Murciano de Salud, Murcia, Spain
- CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
- Departamento de Psicología Básica y Metodología, Universidad de Murcia, Murcia, Spain
| | - José Luis Ferran
- Department of Human Anatomy and Psychobiology, Faculty of Medicine, University of Murcia, Murcia, Spain
- Institute of Biomedical Research of Murcia—IMIB, Virgen de la Arrixaca University Hospital, University of Murcia, Murcia, Spain
- *Correspondence: José Luis Ferran,
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15
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Siemann JK, Grueter BA, McMahon DG. Rhythms, Reward, and Blues: Consequences of Circadian Photoperiod on Affective and Reward Circuit Function. Neuroscience 2020; 457:220-234. [PMID: 33385488 DOI: 10.1016/j.neuroscience.2020.12.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 12/07/2020] [Accepted: 12/08/2020] [Indexed: 02/01/2023]
Abstract
Circadian disruptions, along with altered affective and reward states, are commonly associated with psychiatric disorders. In addition to genetics, the enduring influence of environmental factors in programming neural networks is of increased interest in assessing the underpinnings of mental health. The duration of daylight or photoperiod is known to impact both the serotonin and dopamine systems, which are implicated in mood and reward-based disorders. This review first examines the effects of circadian disruption and photoperiod in the serotonin system in both human and preclinical studies. We next highlight how brain regions crucial for the serotoninergic system (i.e., dorsal raphe nucleus; DRN), and dopaminergic (i.e., nucleus accumbens; NAc and ventral tegmental area; VTA) system are intertwined in overlapping circuitry, and play influential roles in the pathology of mood and reward-based disorders. We then focus on human and animal studies that demonstrate the impact of circadian factors on the dopaminergic system. Lastly, we discuss how environmental factors such as circadian photoperiod can impact the neural circuits that are responsible for regulating affective and reward states, offering novel insights into the biological mechanisms underlying the pathophysiology, systems, and therapeutic treatments necessary for mood and reward-based disorders.
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Affiliation(s)
- Justin K Siemann
- Department of Biological Sciences, Vanderbilt University, Nashville, TN 37235, USA; Kennedy Center for Research on Human Development, Vanderbilt University, Nashville, TN 37235, USA
| | - Brad A Grueter
- Department of Pharmacology, Vanderbilt University, Nashville, TN 37235, USA; Department of Anesthesiology, Vanderbilt University, Nashville, TN 37235, USA; Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, TN 37235, USA; Kennedy Center for Research on Human Development, Vanderbilt University, Nashville, TN 37235, USA
| | - Douglas G McMahon
- Department of Biological Sciences, Vanderbilt University, Nashville, TN 37235, USA; Department of Pharmacology, Vanderbilt University, Nashville, TN 37235, USA; Kennedy Center for Research on Human Development, Vanderbilt University, Nashville, TN 37235, USA.
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16
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Pandi-Perumal SR, Monti JM, Burman D, Karthikeyan R, BaHammam AS, Spence DW, Brown GM, Narashimhan M. Clarifying the role of sleep in depression: A narrative review. Psychiatry Res 2020; 291:113239. [PMID: 32593854 DOI: 10.1016/j.psychres.2020.113239] [Citation(s) in RCA: 107] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2019] [Revised: 06/14/2020] [Accepted: 06/14/2020] [Indexed: 01/13/2023]
Abstract
It has been established that 4.4 to 20% of the general population suffers from a major depressive disorder (MDD), which is frequently associated with a dysregulation of normal sleep-wake mechanisms. Disturbances of circadian rhythms are a cardinal feature of psychiatric dysfunctions, including MDD, which tends to indicate that biological clocks may play a role in their pathophysiology. Thus, episodes of depression and mania or hypomania can arise as a consequence of the disruption of zeitgebers (time cues). In addition, the habit of sleeping at a time that is out of phase with the body's other biological rhythms is a common finding in depressed patients. In this review, we have covered a vast area, emerging from human and animal studies, which supports the link between sleep and depression. In doing so, this paper covers a broad range of distinct mechanisms that may underlie the link between sleep and depression. This review further highlights the mechanisms that may underlie such link (e.g. circadian rhythm alterations, melatonin, and neuroinflammatory dysregulation), as well as evidence for a link between sleep and depression (e.g. objective findings of sleep during depressive episodes, effects of pharmacotherapy, chronotherapy, comorbidity of obstructive sleep apnea and depression), are presented.
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Affiliation(s)
| | - Jaime M Monti
- Department of Pharmacology and Therapeutics, School of Medicine Clinics Hospital, University of the Republic, Montevideo 11600, Uruguay
| | - Deepa Burman
- Department of Family Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Palestine, State of, United States
| | | | - Ahmed S BaHammam
- University of Sleep Disorders Center, College of Medicine, King Saud University, Riyadh, Saudi Arabia; The Strategic Technologies Program of the National Plan for Sciences and Technology and Innovation, Saudi Arabia
| | | | - Gregory M Brown
- Centre for Addiction and Mental Health, University of Toronto, 250 College St, Toronto, ON, Canada
| | - Meera Narashimhan
- Department of Medicine, University of South Carolina, Columbia, SC, United States; Department of Neuropsychiatry and Behavioral Science, University of South Carolina School of Medicine, Columbia, SC, United States
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17
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Deibel SH, McDonald RJ, Kolla NJ. Are Owls and Larks Different When it Comes to Aggression? Genetics, Neurobiology, and Behavior. Front Behav Neurosci 2020; 14:39. [PMID: 32256322 PMCID: PMC7092663 DOI: 10.3389/fnbeh.2020.00039] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Accepted: 02/25/2020] [Indexed: 12/16/2022] Open
Abstract
This review focuses on the contribution of circadian rhythms to aggression with a multifaceted approach incorporating genetics, neural networks, and behavior. We explore the hypothesis that chronic circadian misalignment is contributing to increased aggression. Genes involved in both circadian rhythms and aggression are discussed as a possible mechanism for increased aggression that might be elicited by circadian misalignment. We then discuss the neural networks underlying aggression and how dysregulation in the interaction of these networks evoked by circadian rhythm misalignment could contribute to aggression. The last section of this review will present recent human correlational data demonstrating the association between chronotype and/or circadian misalignment with aggression. With circadian rhythms and aggression being a burgeoning area of study, we hope that this review initiates more interest in this promising and topical area.
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Affiliation(s)
- Scott H Deibel
- Department of Psychology, Memorial University of Newfoundland, St. John's, NL, Canada
| | - Robert J McDonald
- Department of Neuroscience, University of Lethbridge, Lethbridge, AL, Canada
| | - Nathan J Kolla
- Waypoint Centre for Mental Health Care, Penetanguishene, ON, Canada.,Centre for Addiction and Mental Health, Toronto, ON, Canada.,Department of Psychiatry, University of Toronto, Toronto, ON, Canada
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18
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Lewis LM, Deibel SH, Cleary J, Viguers KB, Jones KA, Skinner DM, Hallett D, Thorpe CM. Learning and memory in a rat model of social jetlag that also incorporates mealtime. BIOL RHYTHM RES 2020. [DOI: 10.1080/09291016.2020.1716557] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Leanna M. Lewis
- Department of Psychology, Memorial University of Newfoundland, St. John’s, NL, USA
| | - Scott H. Deibel
- Department of Psychology, Memorial University of Newfoundland, St. John’s, NL, USA
| | - Jillian Cleary
- Department of Psychology, Memorial University of Newfoundland, St. John’s, NL, USA
| | - Kayla B. Viguers
- Department of Psychology, Memorial University of Newfoundland, St. John’s, NL, USA
| | - Karen A. Jones
- Department of Psychology, Memorial University of Newfoundland, St. John’s, NL, USA
| | - Darlene M. Skinner
- Department of Psychology, Memorial University of Newfoundland, St. John’s, NL, USA
| | - Darcy Hallett
- Department of Psychology, Memorial University of Newfoundland, St. John’s, NL, USA
| | - Christina M. Thorpe
- Department of Psychology, Memorial University of Newfoundland, St. John’s, NL, USA
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19
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Vetter C. Circadian disruption: What do we actually mean? Eur J Neurosci 2020; 51:531-550. [PMID: 30402904 PMCID: PMC6504624 DOI: 10.1111/ejn.14255] [Citation(s) in RCA: 135] [Impact Index Per Article: 33.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2018] [Revised: 10/23/2018] [Accepted: 10/23/2018] [Indexed: 12/14/2022]
Abstract
The circadian system regulates physiology and behavior. Acute challenges to the system, such as those experienced when traveling across time zones, will eventually result in re-synchronization to local environmental time cues, but this re-synchronization is oftentimes accompanied by adverse short-term consequences. When such challenges are experienced chronically, adaptation may not be achieved, as for example in the case of rotating night shift workers. The transient and chronic disturbance of the circadian system is most frequently referred to as "circadian disruption", but many other terms have been proposed and used to refer to similar situations. It is now beyond doubt that the circadian system contributes to health and disease, emphasizing the need for clear terminology when describing challenges to the circadian system and their consequences. The goal of this review is to provide an overview of the terms used to describe disruption of the circadian system, discuss proposed quantifications of disruption in experimental and observational settings with a focus on human research, and highlight limitations and challenges of currently available tools. For circadian research to advance as a translational science, clear, operationalizable, and scalable quantifications of circadian disruption are key, as they will enable improved assessment and reproducibility of results, ideally ranging from mechanistic settings, including animal research, to large-scale randomized clinical trials.
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Affiliation(s)
- Céline Vetter
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado
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20
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Alessandro MS, Golombek DA, Chiesa JJ. Protein Kinases in the Photic Signaling of the Mammalian Circadian Clock. THE YALE JOURNAL OF BIOLOGY AND MEDICINE 2019; 92:241-250. [PMID: 31249485 PMCID: PMC6585524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Circadian clocks drive biological rhythms in physiology and behavior, providing a selective advantage by enabling organisms to synchronize to the 24 h environmental day. This process depends on light-dark transitions as the main signal that shifts the phase of the clock. In mammals, the light input reaches the master circadian clock in the hypothalamic suprachiasmatic nucleus through glutamatergic afferents from the retina, resulting in phase-shifts of the overt rhythms which depend on the time of the day at which light is applied, leading to changes in the activity of circadian core clock genes (i.e., Per1). This circadian gating of the synchronizing effect of light is dependent on the specific activation of signal transduction pathways involving several kinases acting on protein effectors. Protein phosphorylation is also an important regulatory mechanism essential for the generation and maintenance of circadian rhythms and plays a crucial role in the degradation and the appropriate turnover of PER proteins. In this work, we review the role of the main kinases implicated in the function of the master clock, with emphasis in those involved in circadian photic entrainment.
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Affiliation(s)
| | - Diego A. Golombek
- To whom all correspondence should be addressed: Diego A. Golombek: Laboratorio de Cronobiología, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes/CONICET, Buenos Aires, Argentina; Tel: +5411-365-7100 (ext 5626), Fax: +5411-4365-7132;
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21
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Deibel SH, Hong NS, Moore K, Mysyk T, McDonald RJ. Hippocampal-dependent memory retention is unaffected by a T21 light–dark cycle in female Fischer brown Norway rats. BIOL RHYTHM RES 2019. [DOI: 10.1080/09291016.2019.1616454] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Scott H. Deibel
- Canadian Centre for Behavioural Neuroscience, Department of Neuroscience, University of Lethbridge, Lethbridge, AB, Canada
- Department of Psychology, SHD is currently at Memorial University of Newfoundland, Newfoundland, Canada
| | - Nancy S. Hong
- Canadian Centre for Behavioural Neuroscience, Department of Neuroscience, University of Lethbridge, Lethbridge, AB, Canada
| | - Kevan Moore
- Canadian Centre for Behavioural Neuroscience, Department of Neuroscience, University of Lethbridge, Lethbridge, AB, Canada
| | - Tyler Mysyk
- Canadian Centre for Behavioural Neuroscience, Department of Neuroscience, University of Lethbridge, Lethbridge, AB, Canada
| | - Robert J. McDonald
- Canadian Centre for Behavioural Neuroscience, Department of Neuroscience, University of Lethbridge, Lethbridge, AB, Canada
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22
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Telling the Time with a Broken Clock: Quantifying Circadian Disruption in Animal Models. BIOLOGY 2019; 8:biology8010018. [PMID: 30901884 PMCID: PMC6466320 DOI: 10.3390/biology8010018] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 02/12/2019] [Accepted: 03/09/2019] [Indexed: 12/31/2022]
Abstract
Circadian rhythms are approximately 24 h cycles in physiology and behaviour that enable organisms to anticipate predictable rhythmic changes in their environment. These rhythms are a hallmark of normal healthy physiology, and disruption of circadian rhythms has implications for cognitive, metabolic, cardiovascular and immune function. Circadian disruption is of increasing concern, and may occur as a result of the pressures of our modern 24/7 society—including artificial light exposure, shift-work and jet-lag. In addition, circadian disruption is a common comorbidity in many different conditions, ranging from aging to neurological disorders. A key feature of circadian disruption is the breakdown of robust, reproducible rhythms with increasing fragmentation between activity and rest. Circadian researchers have developed a range of methods for estimating the period of time series, typically based upon periodogram analysis. However, the methods used to quantify circadian disruption across the literature are not consistent. Here we describe a range of different measures that have been used to measure circadian disruption, with a particular focus on laboratory rodent data. These methods include periodogram power, variability in activity onset, light phase activity, activity bouts, interdaily stability, intradaily variability and relative amplitude. The strengths and limitations of these methods are described, as well as their normal ranges and interrelationships. Whilst there is an increasing appreciation of circadian disruption as both a risk to health and a potential therapeutic target, greater consistency in the quantification of disrupted rhythms is needed.
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Almaida-Pagán PF, Ortega-Sabater C, Lucas-Sánchez A, Martinez-Nicolas A, Espinosa C, Esteban MA, Madrid JA, Rol M, Mendiola P, de Costa J. Impact of a shift work-like lighting schedule on the functioning of the circadian system in the short-lived fish Nothobranchius furzeri. Exp Gerontol 2018; 112:44-53. [PMID: 30184464 DOI: 10.1016/j.exger.2018.08.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Revised: 08/27/2018] [Accepted: 08/31/2018] [Indexed: 01/03/2023]
Abstract
Adult Nothobranchius furzeri of the MZM-04/10 strain were individually kept and subjected to a "5 + 2" shifting lighting schedule (SHIFT) for 8 weeks in order to evaluate the desynchronizing effects of a simulated human-like shift-work schedule on the functioning of the circadian system (CS). With this aim, sixteen 21-week-old N. furzeri were placed into a Morning, Night and Evening schedule (lights on from 08:00 to 16:00, 00:00 to 08:00 and 16:00 to 00:00 h, respectively) and fed once a day in the middle of the corresponding photophase (12:00, 04:00 and 20:00 h, respectively). Then, in the weekends (2 days), fish were always returned to the Morning shift. As controls, 16 fish were maintained under a non-shifting LD cycle condition (CONTROL) throughout the whole experiment, with lights on from 08:00 to 16:00 h. Rest-activity rhythm (RAR) of fish subjected to SHIFT showed several symptoms of chronodisruption, such as a decrease in the percentage of diurnal activity and a reduction of the relative amplitude and the circadian function index with time. When a periodogram analysis was performed, RAR of N. furzeri under SHIFT conditions showed up to three separate circadian components: one longer than 24 h (26.5 h) that followed the weekly 8 h delays; a short-period component (~23 h) that was related to the weekend's phase advances, and finally, a 24 h component. The shifting LD schedule also affected fish CS at a molecular level, with several significant differences in the expression of core genes of the molecular clock (bmal1, clock, rorα, rev-erbα) between SHIFT and CONTROL animals. RAR impairment along with changes in clock gene expression could be associated with high stress and accelerated aging in these fish.
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Affiliation(s)
- P F Almaida-Pagán
- Chronobiology Lab, Department of Physiology, College of Biology, University of Murcia, Mare Nostrum Campus, IUIE, IMIB-Arrixaca, Spain; Ciber Fragilidad y Envejecimiento Saludable (CIBERFES), Madrid, Spain.
| | - C Ortega-Sabater
- Chronobiology Lab, Department of Physiology, College of Biology, University of Murcia, Mare Nostrum Campus, IUIE, IMIB-Arrixaca, Spain; Ciber Fragilidad y Envejecimiento Saludable (CIBERFES), Madrid, Spain
| | - A Lucas-Sánchez
- Chronobiology Lab, Department of Physiology, College of Biology, University of Murcia, Mare Nostrum Campus, IUIE, IMIB-Arrixaca, Spain; Ciber Fragilidad y Envejecimiento Saludable (CIBERFES), Madrid, Spain
| | - A Martinez-Nicolas
- Chronobiology Lab, Department of Physiology, College of Biology, University of Murcia, Mare Nostrum Campus, IUIE, IMIB-Arrixaca, Spain; Ciber Fragilidad y Envejecimiento Saludable (CIBERFES), Madrid, Spain
| | - C Espinosa
- Fish Innate Immune System Group, Department of Cell Biology and Histology, College of Biology, University of Murcia, Mare Nostrum Campus, Spain
| | - M A Esteban
- Fish Innate Immune System Group, Department of Cell Biology and Histology, College of Biology, University of Murcia, Mare Nostrum Campus, Spain
| | - J A Madrid
- Chronobiology Lab, Department of Physiology, College of Biology, University of Murcia, Mare Nostrum Campus, IUIE, IMIB-Arrixaca, Spain; Ciber Fragilidad y Envejecimiento Saludable (CIBERFES), Madrid, Spain
| | - M Rol
- Chronobiology Lab, Department of Physiology, College of Biology, University of Murcia, Mare Nostrum Campus, IUIE, IMIB-Arrixaca, Spain; Ciber Fragilidad y Envejecimiento Saludable (CIBERFES), Madrid, Spain
| | - P Mendiola
- Chronobiology Lab, Department of Physiology, College of Biology, University of Murcia, Mare Nostrum Campus, IUIE, IMIB-Arrixaca, Spain; Ciber Fragilidad y Envejecimiento Saludable (CIBERFES), Madrid, Spain
| | - J de Costa
- Chronobiology Lab, Department of Physiology, College of Biology, University of Murcia, Mare Nostrum Campus, IUIE, IMIB-Arrixaca, Spain; Ciber Fragilidad y Envejecimiento Saludable (CIBERFES), Madrid, Spain
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Mogavero F, Jager A, Glennon JC. Clock genes, ADHD and aggression. Neurosci Biobehav Rev 2018; 91:51-68. [DOI: 10.1016/j.neubiorev.2016.11.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Revised: 10/31/2016] [Accepted: 11/03/2016] [Indexed: 12/25/2022]
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Inkelis SM, Thomas JD. Sleep in Infants and Children with Prenatal Alcohol Exposure. Alcohol Clin Exp Res 2018; 42:10.1111/acer.13803. [PMID: 29852534 PMCID: PMC6274610 DOI: 10.1111/acer.13803] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2018] [Accepted: 05/22/2018] [Indexed: 01/12/2023]
Abstract
Prenatal exposure to alcohol can result in a range of neurobehavioral impairments and physical abnormalities. The term "fetal alcohol spectrum disorders (FASD)" encompasses the outcomes of prenatal alcohol exposure (PAE), the most severe of which is fetal alcohol syndrome. These effects have lifelong consequences, placing a significant burden on affected individuals, caregivers, and communities. Caregivers of affected children often report that their child has sleep problems, and many symptoms of sleep deprivation overlap with the cognitive and behavioral deficits characteristic of FASD. Alcohol-exposed infants and children demonstrate poor sleep quality based on measures of electroencephalography, actigraphy, and questionnaires. These sleep studies indicate a common theme of disrupted sleep pattern, more frequent awakenings, and reduced total sleep time. However, relatively little is known about circadian rhythm disruption and the neurobehavioral correlates of sleep disturbance in individuals with PAE. Furthermore, there is limited information available to healthcare providers about identification and treatment of sleep disorders in patients with FASD. This review consolidates the findings from studies of infant and pediatric sleep in this population, providing an overview of typical sleep characteristics, neurobehavioral correlates of sleep disruption, and potential avenues for intervention in the context of PAE.
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Affiliation(s)
- Sarah M Inkelis
- Center for Behavioral Teratology (SMI, JDT), San Diego State University, San Diego, California
| | - Jennifer D Thomas
- Center for Behavioral Teratology (SMI, JDT), San Diego State University, San Diego, California
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26
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Cingi C, Emre IE, Muluk NB. Jetlag related sleep problems and their management: A review. Travel Med Infect Dis 2018; 24:59-64. [PMID: 29787851 DOI: 10.1016/j.tmaid.2018.05.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Revised: 05/14/2018] [Accepted: 05/18/2018] [Indexed: 01/13/2023]
Abstract
OBJECTIVES We reviewed Jetlag, particularly in view of its effects on sleep and how it can be managed. METHODS The Proquest Central database of Kırıkkale University, PubMed and Google scholar were used while searching for the following key words: "Jetlag", "symptoms", "sleep", "melatonin" and "treatment". RESULTS Flight dysrhythmia, otherwise known as jetlag, is caused by flying globally over various time zones. Most passengers who fly over six or more different time zones generally require 4-6 days after travelling to resume their usual sleep patterns and to feel less lethargic during the day. Signs of jet lag can vary between debilitated awareness, insomnia, feeling tired during the day and frequent waking during the night. During the night our pineal glands excrete a hormone called melatonin; dim lights cause the continuation of excretion of these hormones whereas any exposure to bright lights stems the flow of release. Common precautionary measures are specific diets, bright lights and melatonin agonists (Ramelteon, Agomelatine). CONCLUSION Sleep issues derived from jetlag were found to be most common in passengers who flew through various time belts. Melatonin assumes a critical part in adjusting the body's circadian rhythms and has been utilized restoratively to re-establish irritated circadian rhythms.
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Affiliation(s)
- Cemal Cingi
- Eskisehir Osmangazi University, Faculty of Medicine, Department of Otorhinolaryngology, Eskisehir, Turkey.
| | - Ismet Emrah Emre
- Acıbadem University, Faculty of Medicine, Department of Otorhinolaryngology, Istanbul, Turkey.
| | - Nuray Bayar Muluk
- Kirikkale University, Faculty of Medicine, Department of Otorhinolaryngology, Kirikkale, Turkey.
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Bothwell MY, Gillette MU. Circadian redox rhythms in the regulation of neuronal excitability. Free Radic Biol Med 2018; 119:45-55. [PMID: 29398284 PMCID: PMC5910288 DOI: 10.1016/j.freeradbiomed.2018.01.025] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Revised: 01/17/2018] [Accepted: 01/22/2018] [Indexed: 02/07/2023]
Abstract
Oxidation-reduction reactions are essential to life as the core mechanisms of energy transfer. A large body of evidence in recent years presents an extensive and complex network of interactions between the circadian and cellular redox systems. Recent advances show that cellular redox state undergoes a ~24-h (circadian) oscillation in most tissues and is conserved across the domains of life. In nucleated cells, the metabolic oscillation is dependent upon the circadian transcription-translation machinery and, vice versa, redox-active proteins and cofactors feed back into the molecular oscillator. In the suprachiasmatic nucleus (SCN), a hypothalamic region of the brain specialized for circadian timekeeping, redox oscillation was found to modulate neuronal membrane excitability. The SCN redox environment is relatively reduced in daytime when neuronal activity is highest and relatively oxidized in nighttime when activity is at its lowest. There is evidence that the redox environment directly modulates SCN K+ channels, tightly coupling metabolic rhythms to neuronal activity. Application of reducing or oxidizing agents produces rapid changes in membrane excitability in a time-of-day-dependent manner. We propose that this reciprocal interaction may not be unique to the SCN. In this review, we consider the evidence for circadian redox oscillation and its interdependencies with established circadian timekeeping mechanisms. Furthermore, we will investigate the effects of redox on ion-channel gating dynamics and membrane excitability. The susceptibility of many different ion channels to modulation by changes in the redox environment suggests that circadian redox rhythms may play a role in the regulation of all excitable cells.
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Affiliation(s)
- Mia Y Bothwell
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Martha U Gillette
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA; Department of Cell and Developmental Biology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA; Neuroscience Program, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA; Department of Bioengineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA; Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.
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Li SX, Chan NY, Man Yu MW, Lam SP, Zhang J, Yan Chan JW, Li AM, Wing YK. Eveningness chronotype, insomnia symptoms, and emotional and behavioural problems in adolescents. Sleep Med 2018; 47:93-99. [PMID: 29778920 DOI: 10.1016/j.sleep.2018.03.025] [Citation(s) in RCA: 95] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Revised: 02/18/2018] [Accepted: 03/04/2018] [Indexed: 12/25/2022]
Abstract
OBJECTIVE Eveningness tendency and insomnia are common in adolescents, but whether they have an independent or synergistic effect on the risk of psychopathology have remained undefined. The present study aimed to examine eveningness chronotype and insomnia symptoms in relation to mental health and emotional and behavioural problems in a community-based adolescent population. METHODS A total of 4948 adolescents (weighted mean age: 14.5 ± 1.8 years, weighted percentage of females: 48.9%) completed the measures. Insomnia was assessed by the Insomnia Severity Index (ISI), and chronotype preference was measured by the reduced version of the Morningness-Eveningness Questionnaire (MEQ). Emotional and behavioural problems and mental health were assessed by the Strengths and Difficulties Questionnaire (SDQ) and the General Health Questionnaire (GHQ-12), respectively. Potential confounders including demographic factors, pubertal status, general health, and sleep duration were controlled for in the analyses. RESULTS Insomnia symptoms were prevalent in evening-type adolescents (52% vs intermediate-type: 34.3%, morning-type: 18.0%, p < 0.001), especially two subtypes of insomnia symptoms, including difficulty initiating sleep and difficulty maintaining sleep. Eveningness and insomnia were independently associated with an increased risk of having emotional and behavioural problems (eveningness: adjusted odds ratio [AdjOR] = 1.88, 95% confidence interval [CI] = 1.61-2.19, p < 0.001; insomnia: AdjOR = 3.66, 95% CI = 2.73-4.91) as well as poor mental health in adolescents (eveningness: AdjOR = 1.25, 95% CI = 1.04-1.52, p < 0.001; insomnia: AdjOR = 3.63, 95% CI = 2.41-5.03). CONCLUSIONS Eveningness and insomnia symptoms are independently associated with the risk of psychopathology in adolescents. Our findings underscore the need to address both sleep and circadian factors in assessing and managing emotional and behavioural problems in the adolescent population.
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Affiliation(s)
- Shirley Xin Li
- Department of Psychology, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region; The State Key Laboratory of Brain and Cognitive Sciences, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region.
| | - Ngan Yin Chan
- Department of Psychology, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region; Department of Psychiatry, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong Special Administrative Region
| | - Mandy Wai Man Yu
- Department of Psychiatry, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong Special Administrative Region
| | - Siu Ping Lam
- Department of Psychiatry, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong Special Administrative Region
| | - Jihui Zhang
- Department of Psychiatry, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong Special Administrative Region
| | - Joey Wing Yan Chan
- Department of Psychiatry, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong Special Administrative Region
| | - Albert Martin Li
- Department of Paediatrics, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong Special Administrative Region
| | - Yun Kwok Wing
- Department of Psychiatry, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong Special Administrative Region.
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Brown GM, McIntyre RS, Rosenblat J, Hardeland R. Depressive disorders: Processes leading to neurogeneration and potential novel treatments. Prog Neuropsychopharmacol Biol Psychiatry 2018; 80:189-204. [PMID: 28433459 DOI: 10.1016/j.pnpbp.2017.04.023] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Accepted: 04/01/2017] [Indexed: 12/18/2022]
Abstract
Mood disorders are wide spread with estimates that one in seven of the population are affected at some time in their life (Kessler et al., 2012). Many of those affected with severe depressive disorders have cognitive deficits which may progress to frank neurodegeneration. There are several peripheral markers shown by patients who have cognitive deficits that could represent causative factors and could potentially serve as guides to the prevention or even treatment of neurodegeneration. Circadian rhythm misalignment, immune dysfunction and oxidative stress are key pathologic processes implicated in neurodegeneration and cognitive dysfunction in depressive disorders. Novel treatments targeting these pathways may therefore potentially improve patient outcomes whereby the primary mechanism of action is outside of the monoaminergic system. Moreover, targeting immune dysfunction, oxidative stress and circadian rhythm misalignment (rather than primarily the monoaminergic system) may hold promise for truly disease modifying treatments that may prevent neurodegeneration rather than simply alleviating symptoms with no curative intent. Further research is required to more comprehensively understand the contributions of these pathways to the pathophysiology of depressive disorders to allow for disease modifying treatments to be discovered.
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Affiliation(s)
- Gregory M Brown
- Department of Psychiatry, University of Toronto, Centre for Addiction and Mental Health, 250 College St. Toronto, ON M5T 1R8, Canada.
| | - Roger S McIntyre
- Psychiatry and Pharmacology, University of Toronto, Mood Disorders Psychopharmacology Unit, University Health Network, 399 Bathurst Street, MP 9-325, Toronto, ON M5T 2S8, Canada.
| | - Joshua Rosenblat
- Resident of Psychiatry, Clinician Scientist Stream, University of Toronto, Mood Disorders Psychopharmacology Unit, University Health Network, 399 Bathurst Street, MP 9-325, Toronto, ON M5T 2S8, Canada
| | - Rüdiger Hardeland
- Johann Friedrich Blumenbach Institut für Zoologie und Anthropologie, Universität Göttingen, Buergerstrasse 50, D-37073 Göttingen, Germany.
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30
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Maggi S, Balzani E, Lassi G, Garcia-Garcia C, Plano A, Espinoza S, Mus L, Tinarelli F, Nolan PM, Gainetdinov RR, Balci F, Nieus T, Tucci V. The after-hours circadian mutant has reduced phenotypic plasticity in behaviors at multiple timescales and in sleep homeostasis. Sci Rep 2017; 7:17765. [PMID: 29259298 PMCID: PMC5736711 DOI: 10.1038/s41598-017-18130-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Accepted: 12/06/2017] [Indexed: 12/01/2022] Open
Abstract
Circadian clock is known to adapt to environmental changes and can significantly influence cognitive and physiological functions. In this work, we report specific behavioral, cognitive, and sleep homeostatic defects in the after hours (Afh) circadian mouse mutant, which is characterized by lengthened circadian period. We found that the circadian timing irregularities in Afh mice resulted in higher interval timing uncertainty and suboptimal decisions due to incapability of processing probabilities. Our phenotypic observations further suggested that Afh mutants failed to exhibit the necessary phenotypic plasticity for adapting to temporal changes at multiple time scales (seconds-to-minutes to circadian). These behavioral effects of Afh mutation were complemented by the specific disruption of the Per/Cry circadian regulatory complex in brain regions that govern food anticipatory behaviors, sleep, and timing. We derive statistical predictions, which indicate that circadian clock and sleep are complementary processes in controlling behavioral/cognitive performance during 24 hrs. The results of this study have pivotal implications for understanding how the circadian clock modulates sleep and behavior.
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Affiliation(s)
- Silvia Maggi
- Department of Neuroscience and Brain Technologies - Genetics and Epigenetics of Behaviour - Istituto Italiano di Tecnologia, via Morego, 30, 16163, Genova, Italy.,Faculty of Biology, Medicine and Health, University of Manchester, Manchester, M13 9PL, UK
| | - Edoardo Balzani
- Department of Neuroscience and Brain Technologies - Genetics and Epigenetics of Behaviour - Istituto Italiano di Tecnologia, via Morego, 30, 16163, Genova, Italy
| | - Glenda Lassi
- Department of Neuroscience and Brain Technologies - Genetics and Epigenetics of Behaviour - Istituto Italiano di Tecnologia, via Morego, 30, 16163, Genova, Italy
| | - Celina Garcia-Garcia
- Department of Neuroscience and Brain Technologies - Genetics and Epigenetics of Behaviour - Istituto Italiano di Tecnologia, via Morego, 30, 16163, Genova, Italy
| | - Andrea Plano
- Department of Neuroscience and Brain Technologies - Genetics and Epigenetics of Behaviour - Istituto Italiano di Tecnologia, via Morego, 30, 16163, Genova, Italy
| | - Stefano Espinoza
- Department of Neuroscience and Brain Technologies - Genetics and Epigenetics of Behaviour - Istituto Italiano di Tecnologia, via Morego, 30, 16163, Genova, Italy
| | - Liudmila Mus
- Department of Neuroscience and Brain Technologies - Genetics and Epigenetics of Behaviour - Istituto Italiano di Tecnologia, via Morego, 30, 16163, Genova, Italy
| | - Federico Tinarelli
- Department of Neuroscience and Brain Technologies - Genetics and Epigenetics of Behaviour - Istituto Italiano di Tecnologia, via Morego, 30, 16163, Genova, Italy
| | - Patrick M Nolan
- MRC Harwell, Harwell Science and Innovation Campus, Oxfordshire, OX11 0RD, UK
| | - Raul R Gainetdinov
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia.,Skolkovo Institute of Science & Technology, Skolkovo, Moscow, Russia
| | - Fuat Balci
- Koç University, Department of Psychology, Istanbul, Turkey
| | - Thierry Nieus
- Department of Neuroscience and Brain Technologies - Genetics and Epigenetics of Behaviour - Istituto Italiano di Tecnologia, via Morego, 30, 16163, Genova, Italy
| | - Valter Tucci
- Department of Neuroscience and Brain Technologies - Genetics and Epigenetics of Behaviour - Istituto Italiano di Tecnologia, via Morego, 30, 16163, Genova, Italy.
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Ma D, Serbin LA, Stack DM. Children's anxiety symptoms and salivary immunoglobulin A: A mutual regulatory system? Dev Psychobiol 2017; 60:202-215. [PMID: 29171012 DOI: 10.1002/dev.21590] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2017] [Accepted: 10/12/2017] [Indexed: 01/02/2023]
Abstract
Anxiety can impact the immune system resulting in negative health outcomes. Salivary immunoglobulin A (sIgA) is a first line of defense against foreign antigens, with lowered levels indicative of weakened mucosal immunity. Little is known about how anxiety symptoms affect the diurnal rhythm of sIgA secretion, or the longitudinal transactional sequence between the two in children and adolescents. The goals of the two studies were to: (i) explore the concurrent associations between self-reported anxiety symptoms and diurnal variations of sIgA across the day using repeated daily samples of sIgA; and (ii) examine transactional relations between children's anxiety and aggregated total amount of sIgA levels across successive periods from middle childhood (Wave 1; ages 9-12) to early adolescence (Wave 2; ages 12-15), and from early to mid- adolescence (Wave 3; ages 15-18). Concurrent results showed a steeper (positive) rise in diurnal slope of sIgA from awakening to 5 hr post-awakening in children with higher anxiety. Longitudinally, higher levels of total anxiety, and specifically, worries at Wave 1 significantly predicted lower cumulative daily levels of sIgA 3 years later at Wave 2. Lowered sIgA levels at Wave 2 in turn predicted higher anxiety at Wave 3, illustrating a "vicious cycle" feedback loop. These findings broaden our understanding of the developmental links between anxiety symptoms, the immune system, and health.
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Affiliation(s)
- Denise Ma
- Department of Psychology, Concordia University, Center for Research in Human Development, Montreal, Quebec, Canada
| | - Lisa A Serbin
- Department of Psychology, Concordia University, Center for Research in Human Development, Montreal, Quebec, Canada
| | - Dale M Stack
- Department of Psychology, Concordia University, Center for Research in Human Development, Montreal, Quebec, Canada
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Yu H, Li X, Li X, Qi F, Peng B, Jiang Z, Wang Z. Social isolation of mice: activity rhythm changes and the expression of clock. BIOL RHYTHM RES 2017. [DOI: 10.1080/09291016.2017.1395529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Hang Yu
- China Health Ministry Key Lab of Chronobiology, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
| | - Xiaoxue Li
- China Health Ministry Key Lab of Chronobiology, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
| | - Xuepei Li
- China Health Ministry Key Lab of Chronobiology, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
| | - Fang Qi
- China Health Ministry Key Lab of Chronobiology, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
| | - Bo Peng
- China Health Ministry Key Lab of Chronobiology, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
| | - Zhou Jiang
- China Health Ministry Key Lab of Chronobiology, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
| | - Zhengrong Wang
- China Health Ministry Key Lab of Chronobiology, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
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33
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West AC, Smith L, Ray DW, Loudon ASI, Brown TM, Bechtold DA. Misalignment with the external light environment drives metabolic and cardiac dysfunction. Nat Commun 2017; 8:417. [PMID: 28900189 PMCID: PMC5595905 DOI: 10.1038/s41467-017-00462-2] [Citation(s) in RCA: 97] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Accepted: 06/30/2017] [Indexed: 12/20/2022] Open
Abstract
Most organisms use internal biological clocks to match behavioural and physiological processes to specific phases of the day-night cycle. Central to this is the synchronisation of internal processes across multiple organ systems. Environmental desynchrony (e.g. shift work) profoundly impacts human health, increasing cardiovascular disease and diabetes risk, yet the underlying mechanisms remain unclear. Here, we characterise the impact of desynchrony between the internal clock and the external light-dark (LD) cycle on mammalian physiology. We reveal that even under stable LD environments, phase misalignment has a profound effect, with decreased metabolic efficiency and disrupted cardiac function including prolonged QT interval duration. Importantly, physiological dysfunction is not driven by disrupted core clock function, nor by an internal desynchrony between organs, but rather the altered phase relationship between the internal clockwork and the external environment. We suggest phase misalignment as a major driver of pathologies associated with shift work, chronotype and social jetlag.The misalignment between internal circadian rhythm and the day-night cycle can be caused by genetic, behavioural and environmental factors, and may have a profound impact on human physiology. Here West et al. show that desynchrony between the internal clock and the external environment alter metabolic parameters and cardiac function in mice.
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Affiliation(s)
- Alexander C West
- Division of Diabetes, Endocrinology and Gastroenterology, School of Medicine, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, M13 9PL, UK
| | - Laura Smith
- Division of Diabetes, Endocrinology and Gastroenterology, School of Medicine, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, M13 9PL, UK
| | - David W Ray
- Division of Diabetes, Endocrinology and Gastroenterology, School of Medicine, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, M13 9PL, UK
| | - Andrew S I Loudon
- Division of Diabetes, Endocrinology and Gastroenterology, School of Medicine, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, M13 9PL, UK
| | - Timothy M Brown
- Division of Diabetes, Endocrinology and Gastroenterology, School of Medicine, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, M13 9PL, UK
| | - David A Bechtold
- Division of Diabetes, Endocrinology and Gastroenterology, School of Medicine, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, M13 9PL, UK.
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Chaix A, Zarrinpar A, Panda S. The circadian coordination of cell biology. J Cell Biol 2017; 215:15-25. [PMID: 27738003 PMCID: PMC5057284 DOI: 10.1083/jcb.201603076] [Citation(s) in RCA: 91] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Accepted: 09/21/2016] [Indexed: 02/07/2023] Open
Abstract
Chaix et al. review how cells generate circadian oscillations and how circadian clocks control cell biology. Circadian clocks are cell-autonomous timing mechanisms that organize cell functions in a 24-h periodicity. In mammals, the main circadian oscillator consists of transcription–translation feedback loops composed of transcriptional regulators, enzymes, and scaffolds that generate and sustain daily oscillations of their own transcript and protein levels. The clock components and their targets impart rhythmic functions to many gene products through transcriptional, posttranscriptional, translational, and posttranslational mechanisms. This, in turn, temporally coordinates many signaling pathways, metabolic activity, organelles’ structure and functions, as well as the cell cycle and the tissue-specific functions of differentiated cells. When the functions of these circadian oscillators are disrupted by age, environment, or genetic mutation, the temporal coordination of cellular functions is lost, reducing organismal health and fitness.
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Affiliation(s)
- Amandine Chaix
- Regulatory Biology Laboratory, Salk Institute for Biological Studies, La Jolla, CA 92037
| | - Amir Zarrinpar
- Regulatory Biology Laboratory, Salk Institute for Biological Studies, La Jolla, CA 92037 Division of Gastroenterology, University of California, San Diego, La Jolla, CA 92093
| | - Satchidananda Panda
- Regulatory Biology Laboratory, Salk Institute for Biological Studies, La Jolla, CA 92037
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35
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Kiryanova V, Smith VM, Dyck RH, Antle MC. Circadian behavior of adult mice exposed to stress and fluoxetine during development. Psychopharmacology (Berl) 2017; 234:793-804. [PMID: 28028599 DOI: 10.1007/s00213-016-4515-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2016] [Accepted: 12/16/2016] [Indexed: 12/20/2022]
Abstract
INTRODUCTION Women of child-bearing age are the population at greatest risk for depression. The stress experienced during pregnancy and the associated antidepressant treatments can both affect fetal development. Fluoxetine (FLX) is among the most common antidepressants used by pregnant women. We have previously demonstrated that perinatal exposure to FLX can alter expression of circadian rhythms in adulthood. Here, we examine the combined effects of maternal stress during pregnancy and perinatal exposure to the antidepressant FLX on the circadian behavior of mice as adults. METHODS Mouse dams were exposed to chronic unpredictable stress (embryonic (E) day 7 to E18), FLX (E15 to postnatal day 12), a combination of both stress and FLX, or were left untreated. At 2 months of age, male offspring were placed in recording chambers and circadian organization of wheel running rhythms and phase shifts to photic and non-photic stimuli were assessed. RESULTS Mice exposed to prenatal stress (PS) had smaller light-induced phase delays. Mice exposed to perinatal FLX required more days to re-entrainment to an 8-h phase advance of their light-dark cycle. Mice subjected to either perinatal FLX or to PS had larger light-induced phase advances and smaller phase advances to 8-OH-DPAT. FLX treatment partially reversed the effect of PS on phase shifts to late-night light exposure and to 8-OH-DPAT. CONCLUSIONS Our results suggest that, in mice, perinatal exposure to either FLX, or PS, or their combination, leads to discernible, persistent changes in their circadian systems as adults.
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Affiliation(s)
- Veronika Kiryanova
- Department of Psychology, University of Calgary, Calgary, AB, T2N 1N4, Canada.,Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada
| | - Victoria M Smith
- Department of Psychology, University of Calgary, Calgary, AB, T2N 1N4, Canada.,Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada
| | - Richard H Dyck
- Department of Psychology, University of Calgary, Calgary, AB, T2N 1N4, Canada.,Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada.,Department of Cell Biology and Anatomy, University of Calgary, Calgary, AB, Canada
| | - Michael C Antle
- Department of Psychology, University of Calgary, Calgary, AB, T2N 1N4, Canada. .,Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada. .,Department of Physiology & Pharmacology, University of Calgary, Calgary, AB, Canada.
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McCue LM, Flick LH, Twyman KA, Xian H. Gastrointestinal dysfunctions as a risk factor for sleep disorders in children with idiopathic autism spectrum disorder: A retrospective cohort study. AUTISM : THE INTERNATIONAL JOURNAL OF RESEARCH AND PRACTICE 2017; 21:1010-1020. [PMID: 28954536 DOI: 10.1177/1362361316667061] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Sleep disorders often co-occur with autism spectrum disorder. They further exacerbate autism spectrum disorder symptoms and interfere with children's and parental quality of life. This study examines whether gastrointestinal dysfunctions increase the odds of having sleep disorders in 610 children with idiopathic autism spectrum disorder, aged 2-18 years, from the Autism Genetic Resource Exchange research program. The adjusted odds ratio for sleep disorder among those with gastrointestinal dysfunctions compared to those without was 1.74 (95% confidence interval: 1.22-2.48). In addition, the odds of having multiple sleep disorder symptoms among children with gastrointestinal dysfunctions, adjusted for age, gender, behavioral problems, bed wetting, current and past supplements, and current and past medications for autism spectrum disorder symptoms were 1.75 (95% confidence interval: 1.10-2.79) compared to children without gastrointestinal dysfunctions. Early detection and treatment of gastrointestinal dysfunctions in autism spectrum disorder may be means to reduce prevalence and severity of sleep problems and improve quality of life and developmental outcomes in this population.
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Sultan A, Parganiha A, Sultan T, Choudhary V, Pati AK. Circadian clock, cell cycle, and breast cancer: an updated review. BIOL RHYTHM RES 2016. [DOI: 10.1080/09291016.2016.1263011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Armiya Sultan
- Chronobiology and Animal Behaviour Laboratory, School of Life Sciences, Pt. Ravishankar Shukla University, Raipur, India
| | - Arti Parganiha
- Chronobiology and Animal Behaviour Laboratory, School of Life Sciences, Pt. Ravishankar Shukla University, Raipur, India
- Center for Translational Chronobiology, Pt. Ravishankar Shukla University, Raipur, India
| | - Tahira Sultan
- Department of Biochemistry, University of Kashmir, Srinagar, India
| | - Vivek Choudhary
- Regional Cancer Centre, Pt. J.N.M. Medical College, Dr. B.R. Ambedkar Memorial Hospital, Raipur, India
| | - Atanu Kumar Pati
- Chronobiology and Animal Behaviour Laboratory, School of Life Sciences, Pt. Ravishankar Shukla University, Raipur, India
- Center for Translational Chronobiology, Pt. Ravishankar Shukla University, Raipur, India
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van Belkum SM, Bosker FJ, Kortekaas R, Beersma DGM, Schoevers RA. Treatment of depression with low-strength transcranial pulsed electromagnetic fields: A mechanistic point of view. Prog Neuropsychopharmacol Biol Psychiatry 2016; 71:137-43. [PMID: 27449361 DOI: 10.1016/j.pnpbp.2016.07.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Revised: 07/13/2016] [Accepted: 07/19/2016] [Indexed: 12/12/2022]
Abstract
BACKGROUND Mood disorders constitute a high burden for both patients and society. Notwithstanding the large arsenal of available treatment options, a considerable group of patients does not remit on current antidepressant treatment. There is an urgent need to develop alternative treatment strategies. Recently, low-strength transcranial pulsed electromagnetic field (tPEMF) stimulation has been purported as a promising strategy for such treatment-resistant depression (TRD). The mode of action of this new technique is however largely unknown. METHODS We searched PubMed for literature reports on the effects of tPEMF and for information regarding its working mechanism and biological substrate. RESULTS Most studies more or less connect with the major hypotheses of depression and concern the effects of tPEMF on brain metabolism, neuronal connectivity, brain plasticity, and the immune system. Relatively few studies paid attention to the possible chronobiologic effects of electromagnetic fields. LIMITATIONS We reviewed the literature of a new and still developing field. Some of the reports involved translational studies, which inevitably limits the reach of the conclusions. CONCLUSION Weak magnetic fields influence divergent neurobiological processes. The antidepressant effect of tPEMF may be specifically attributable to its effects on local brain activity and connectivity.
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Affiliation(s)
- S M van Belkum
- University of Groningen, University Medical Center Groningen, Department of Psychiatry, CC 30, P.O. Box 30.001, 9700 RB Groningen, The Netherlands.
| | - F J Bosker
- University of Groningen, University Medical Center Groningen, Department of Psychiatry, CC 30, P.O. Box 30.001, 9700 RB Groningen, The Netherlands
| | - R Kortekaas
- University of Groningen, University Medical Center Groningen, Department of Psychiatry, CC 30, P.O. Box 30.001, 9700 RB Groningen, The Netherlands; University of Groningen, University Medical Center Groningen, Department of Neuroscience, P.O. Box 196, 9700 AD Groningen, The Netherlands
| | - D G M Beersma
- Department Chronobiology, University of Groningen, Nijenborgh 7, 9747 AG Groningen, The Netherlands
| | - R A Schoevers
- University of Groningen, University Medical Center Groningen, Department of Psychiatry, CC 30, P.O. Box 30.001, 9700 RB Groningen, The Netherlands; University of Groningen, University Medical Center Groningen, Research School of Behavioural and Cognitive Neurosciences (BCN), Interdisciplinary Center for Psychopathology and Emotion regulation (ICPE), CC 30, P.O. Box 30.001, 9700 RB Groningen, The Netherlands
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van Ee R, Van de Cruys S, Schlangen LJ, Vlaskamp BN. Circadian-Time Sickness: Time-of-Day Cue-Conflicts Directly Affect Health. Trends Neurosci 2016; 39:738-749. [DOI: 10.1016/j.tins.2016.09.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Revised: 09/06/2016] [Accepted: 09/13/2016] [Indexed: 10/20/2022]
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Antúnez JM, Capella MDM, Navarro JF, Adan A. Circadian rhythmicity in substance use disorder male patients with and without comorbid depression under ambulatory and therapeutic community treatment. Chronobiol Int 2016; 33:1410-1421. [PMID: 27611843 DOI: 10.1080/07420528.2016.1223092] [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] [Indexed: 02/06/2023]
Abstract
Although there have been described alterations of circadian rhythmicity both in patients with substance use disorder (SUD) and patients with major depressive disorder (MDD), the circadian characteristics of SUD patients with comorbid MDD (SUD-MDD) are unknown. Likewise, the possible influence of the different modalities of treatments (ambulatory or therapeutic community) upon the circadian rhythmicity of SUD patients has not been characterized. Therefore, this study analyzes the circadian rhythmic profiles of SUD and SUD-MDD patients under ambulatory and therapeutic community treatment. The sample was composed of 40 SUD and 40 SUD-MDD men, aged 22-55 yrs, under treatment and with abstinence for at least three months (including each group 20 ambulatory and 20 from therapeutic community). Patients completed a sociodemographic, clinical and sleep-wake schedules interview, the Composite Scale of Morningness, and wore on the wrist an ambulatory device known as iButton® Thermochron DS1921H, which registered their distal skin temperature every two minutes for 48 hours. All the groups showed a tendency to morningness without differences among them in concordance with their sleep-wake schedules. With regard to distal skin temperature circadian rhythm, SUD patients showed higher values than SUD-MDD in amplitude, relative amplitude, percentage rhythm, and first harmonic power, and lower minimum temperature in 10 consecutive hours (p < .043, in all cases). Therapeutic community group values were lower in minimum temperature and higher in amplitude, relative amplitude, and 12 harmonic accumulated power (p < .028, in all cases) as compared to ambulatory ones. Moreover, all groups showed higher Rayleigh vector and rhythm stability as compared to normative population (p < .043, in both cases). The circadian rhythmic differences observed for diagnosis and type of treatment are indicative of a higher circadian rhythmicity robustness in SUD and therapeutic community patients as compared to SUD-MDD and ambulatory ones, respectively. Although drug consumption exerts a negative effect on the circadian rhythmicity, our results (high amplitude and rhythm stability) are indicative of an adequate circadian functioning as well as of an adjustment to the light-dark cycle in both diagnosis and type of treatment which may constitute a marker of the adherence to treatment and recovery status.
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Affiliation(s)
- Juan Manuel Antúnez
- a Department of Psychobiology, School of Psychology , University of Málaga , Málaga , Spain
| | - María Del Mar Capella
- b Department of Clinical Psychology and Psychobiology , School of Psychology, University of Barcelona , Barcelona , Spain
| | - José Francisco Navarro
- a Department of Psychobiology, School of Psychology , University of Málaga , Málaga , Spain
| | - Ana Adan
- b Department of Clinical Psychology and Psychobiology , School of Psychology, University of Barcelona , Barcelona , Spain.,c Institute of Neurosciences , University of Barcelona , Barcelona , Spain
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Pathophysiology and strategic treatment of sighted non-24-h sleep–wake rhythm disorders. Sleep Biol Rhythms 2016. [DOI: 10.1007/s41105-016-0076-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Deibel SH, Zelinski EL, Keeley RJ, Kovalchuk O, McDonald RJ. Epigenetic alterations in the suprachiasmatic nucleus and hippocampus contribute to age-related cognitive decline. Oncotarget 2016; 6:23181-203. [PMID: 26252151 PMCID: PMC4695111 DOI: 10.18632/oncotarget.4036] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Accepted: 12/31/1969] [Indexed: 12/16/2022] Open
Abstract
Circadian rhythm dysfunction and cognitive decline, specifically memory loss, frequently accompany natural aging. Circadian rhythms and memory are intertwined, as circadian rhythms influence memory formation and recall in young and old rodents. Although, the precise relationship between circadian rhythms and memory is still largely unknown, it is hypothesized that circadian rhythm disruption, which occurs during aging, contributes to age-associated cognitive decline, specifically memory loss. While there are a variety of mechanisms that could mediate this effect, changes in the epigenome that occur during aging has been proposed as a potential candidate. Interestingly, epigenetic mechanisms, such as DNA methylation and sirtuin1 (SIRT1) are necessary for both circadian rhythms and memory. During aging, similar alterations of epigenetic mechanisms occur in the suprachiasmatic nucleus (SCN) and hippocampus, which are necessary for circadian rhythm generation and memory, respectively. Recently, circadian rhythms have been linked to epigenetic function in the hippocampus, as some of these epigenetic mechanisms oscillate in the hippocampus and are disrupted by clock gene deletion. The current paper will review how circadian rhythms and memory change with age, and will suggest how epigenetic changes in these processes might contribute to age-related cognitive decline.
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Affiliation(s)
- Scott H Deibel
- Canadian Centre for Behavioural Neuroscience, Department of Neuroscience, University of Lethbridge, Lethbridge, AB, Canada
| | - Erin L Zelinski
- Canadian Centre for Behavioural Neuroscience, Department of Neuroscience, University of Lethbridge, Lethbridge, AB, Canada
| | - Robin J Keeley
- Canadian Centre for Behavioural Neuroscience, Department of Neuroscience, University of Lethbridge, Lethbridge, AB, Canada
| | - Olga Kovalchuk
- Department of Biological Sciences, University of Lethbridge, Lethbridge, AB, Canada
| | - Robert J McDonald
- Canadian Centre for Behavioural Neuroscience, Department of Neuroscience, University of Lethbridge, Lethbridge, AB, Canada
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Lassi G, Priano L, Maggi S, Garcia-Garcia C, Balzani E, El-Assawy N, Pagani M, Tinarelli F, Giardino D, Mauro A, Peters J, Gozzi A, Grugni G, Tucci V. Deletion of the Snord116/SNORD116 Alters Sleep in Mice and Patients with Prader-Willi Syndrome. Sleep 2016; 39:637-44. [PMID: 26446116 DOI: 10.5665/sleep.5542] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Accepted: 09/24/2015] [Indexed: 01/01/2023] Open
Abstract
STUDY OBJECTIVES Sleep-wake disturbances are often reported in Prader-Willi syndrome (PWS), a rare neurodevelopmental syndrome that is associated with paternally-expressed genomic imprinting defects within the human chromosome region 15q11-13. One of the candidate genes, prevalently expressed in the brain, is the small nucleolar ribonucleic acid-116 (SNORD116). Here we conducted a translational study into the sleep abnormalities of PWS, testing the hypothesis that SNORD116 is responsible for sleep defects that characterize the syndrome. METHODS We studied sleep in mutant mice that carry a deletion of Snord116 at the orthologous locus (mouse chromosome 7) of the human PWS critical region (PWScr). In particular, we assessed EEG and temperature profiles, across 24-h, in PWScr (m+/p-) heterozygous mutants compared to wild-type littermates. High-resolution magnetic resonance imaging (MRI) was performed to explore morphoanatomical differences according to the genotype. Moreover, we complemented the mouse work by presenting two patients with a diagnosis of PWS and characterized by atypical small deletions of SNORD116. We compared the individual EEG parameters of patients with healthy subjects and with a cohort of obese subjects. RESULTS By studying the mouse mutant line PWScr(m+/p-), we observed specific rapid eye movement (REM) sleep alterations including abnormal electroencephalograph (EEG) theta waves. Remarkably, we observed identical sleep/EEG defects in the two PWS cases. We report brain morphological abnormalities that are associated with the EEG alterations. In particular, mouse mutants have a bilateral reduction of the gray matter volume in the ventral hippocampus and in the septum areas, which are pivotal structures for maintaining theta rhythms throughout the brain. In PWScr(m+/p-) mice we also observed increased body temperature that is coherent with REM sleep alterations in mice and human patients. CONCLUSIONS Our study indicates that paternally expressed Snord116 is involved in the 24-h regulation of sleep physiological measures, suggesting that it is a candidate gene for the sleep disturbances that most individuals with PWS experience.
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Affiliation(s)
- Glenda Lassi
- Neuroscience and Brain Technologies (NBT) Department, Istituto Italiano di Tecnologia (IIT), via Morego 30, 16163 Genova (Italy)
| | - Lorenzo Priano
- Department of Neurology and Neurorehabilitation, S. Giuseppe Hospital, IRCCS Istituto Auxologico Italiano, Piancavallo (VB), Italy. Department of Neurosciences, University of Turin, Italy
| | - Silvia Maggi
- Neuroscience and Brain Technologies (NBT) Department, Istituto Italiano di Tecnologia (IIT), via Morego 30, 16163 Genova (Italy)
| | - Celina Garcia-Garcia
- Neuroscience and Brain Technologies (NBT) Department, Istituto Italiano di Tecnologia (IIT), via Morego 30, 16163 Genova (Italy)
| | - Edoardo Balzani
- Neuroscience and Brain Technologies (NBT) Department, Istituto Italiano di Tecnologia (IIT), via Morego 30, 16163 Genova (Italy)
| | - Nadia El-Assawy
- Department of Neurology and Neurorehabilitation, S. Giuseppe Hospital, IRCCS Istituto Auxologico Italiano, Piancavallo (VB), Italy. Department of Neurosciences, University of Turin, Italy
| | - Marco Pagani
- Istituto Italiano di Tecnologia. Center for Neuroscience and Cognitive Systems, Rovereto, Italy.,Center for Mind and Brain Sciences, University of Trento, Rovereto, Italy
| | - Federico Tinarelli
- Neuroscience and Brain Technologies (NBT) Department, Istituto Italiano di Tecnologia (IIT), via Morego 30, 16163 Genova (Italy)
| | - Daniela Giardino
- Laboratory of Medical Cytogenetics, Istituto Auxologico Italiano, Cusano Milanino (MI), Italy
| | - Alessandro Mauro
- Department of Neurology and Neurorehabilitation, S. Giuseppe Hospital, IRCCS Istituto Auxologico Italiano, Piancavallo (VB), Italy. Department of Neurosciences, University of Turin, Italy
| | - Jo Peters
- MRC Harwell, Harwell Science and Innovation Campus, Oxfordshire, OX11 0RD, UK
| | - Alessandro Gozzi
- Istituto Italiano di Tecnologia. Center for Neuroscience and Cognitive Systems, Rovereto, Italy
| | - Graziano Grugni
- Division of Auxology, S. Giuseppe Hospital, Research Institute, Istituto Auxologico Italiano, Piancavallo di Oggebbio (VB), Verbania, Italy
| | - Valter Tucci
- Neuroscience and Brain Technologies (NBT) Department, Istituto Italiano di Tecnologia (IIT), via Morego 30, 16163 Genova (Italy)
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Wang L, Zhang T, Li J, He C, He H, Zhang J. Catalytic mechanism of human N-acetylserotonin methyltransferase: a theoretical investigation. Mol Phys 2015. [DOI: 10.1080/00268976.2015.1036143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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45
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Voluntary exercise enhances activity rhythms and ameliorates anxiety- and depression-like behaviors in the sand rat model of circadian rhythm-related mood changes. Physiol Behav 2015; 151:441-7. [DOI: 10.1016/j.physbeh.2015.08.002] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2015] [Revised: 07/14/2015] [Accepted: 08/01/2015] [Indexed: 11/22/2022]
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46
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Forni D, Pozzoli U, Cagliani R, Tresoldi C, Menozzi G, Riva S, Guerini FR, Comi GP, Bolognesi E, Bresolin N, Clerici M, Sironi M. Genetic adaptation of the human circadian clock to day-length latitudinal variations and relevance for affective disorders. Genome Biol 2015; 15:499. [PMID: 25358694 PMCID: PMC4237747 DOI: 10.1186/s13059-014-0499-7] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2014] [Indexed: 01/18/2023] Open
Abstract
Background The temporal coordination of biological processes into daily cycles is a common feature of most living organisms. In humans, disruption of circadian rhythms is commonly observed in psychiatric diseases, including schizophrenia, bipolar disorder, depression and autism. Light therapy is the most effective treatment for seasonal affective disorder and circadian-related treatments sustain antidepressant response in bipolar disorder patients. Day/night cycles represent a major circadian synchronizing signal and vary widely with latitude. Results We apply a geographically explicit model to show that out-of-Africa migration, which led humans to occupy a wide latitudinal area, affected the evolutionary history of circadian regulatory genes. The SNPs we identify using this model display consistent signals of natural selection using tests based on population genetic differentiation and haplotype homozygosity. Signals of natural selection driven by annual photoperiod variation are detected for schizophrenia, bipolar disorder, and restless leg syndrome risk variants, in line with the circadian component of these conditions. Conclusions Our results suggest that human populations adapted to life at different latitudes by tuning their circadian clock systems. This process also involves risk variants for neuropsychiatric conditions, suggesting possible genetic modulators for chronotherapies and candidates for interaction analysis with photoperiod-related environmental variables, such as season of birth, country of residence, shift-work or lifestyle habits. Electronic supplementary material The online version of this article (doi:10.1186/s13059-014-0499-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Diego Forni
- Scientific Institute IRCCS E. Medea, 23842 Bosisio Parini, LC, Italy
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Jang C, Lahens NF, Hogenesch JB, Sehgal A. Ribosome profiling reveals an important role for translational control in circadian gene expression. Genome Res 2015; 25:1836-47. [PMID: 26338483 PMCID: PMC4665005 DOI: 10.1101/gr.191296.115] [Citation(s) in RCA: 76] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2015] [Accepted: 09/02/2015] [Indexed: 01/30/2023]
Abstract
Physiological and behavioral circadian rhythms are driven by a conserved transcriptional/translational negative feedback loop in mammals. Although most core clock factors are transcription factors, post-transcriptional control introduces delays that are critical for circadian oscillations. Little work has been done on circadian regulation of translation, so to address this deficit we conducted ribosome profiling experiments in a human cell model for an autonomous clock. We found that most rhythmic gene expression occurs with little delay between transcription and translation, suggesting that the lag in the accumulation of some clock proteins relative to their mRNAs does not arise from regulated translation. Nevertheless, we found that translation occurs in a circadian fashion for many genes, sometimes imposing an additional level of control on rhythmically expressed mRNAs and, in other cases, conferring rhythms on noncycling mRNAs. Most cyclically transcribed RNAs are translated at one of two major times in a 24-h day, while rhythmic translation of most noncyclic RNAs is phased to a single time of day. Unexpectedly, we found that the clock also regulates the formation of cytoplasmic processing (P) bodies, which control the fate of mRNAs, suggesting circadian coordination of mRNA metabolism and translation.
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Affiliation(s)
- Christopher Jang
- Department of Neuroscience, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania 19104, USA
| | - Nicholas F Lahens
- Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania 19104, USA
| | - John B Hogenesch
- Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania 19104, USA
| | - Amita Sehgal
- Department of Neuroscience, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania 19104, USA; Howard Hughes Medical Institute, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania 19104, USA
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48
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Krishnan HC, Lyons LC. Synchrony and desynchrony in circadian clocks: impacts on learning and memory. ACTA ACUST UNITED AC 2015; 22:426-37. [PMID: 26286653 PMCID: PMC4561405 DOI: 10.1101/lm.038877.115] [Citation(s) in RCA: 68] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2015] [Accepted: 06/29/2015] [Indexed: 12/11/2022]
Abstract
Circadian clocks evolved under conditions of environmental variation, primarily alternating light dark cycles, to enable organisms to anticipate daily environmental events and coordinate metabolic, physiological, and behavioral activities. However, modern lifestyle and advances in technology have increased the percentage of individuals working in phases misaligned with natural circadian activity rhythms. Endogenous circadian oscillators modulate alertness, the acquisition of learning, memory formation, and the recall of memory with examples of circadian modulation of memory observed across phyla from invertebrates to humans. Cognitive performance and memory are significantly diminished when occurring out of phase with natural circadian rhythms. Disruptions in circadian regulation can lead to impairment in the formation of memories and manifestation of other cognitive deficits. This review explores the types of interactions through which the circadian clock modulates cognition, highlights recent progress in identifying mechanistic interactions between the circadian system and the processes involved in memory formation, and outlines methods used to remediate circadian perturbations and reinforce circadian adaptation.
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Affiliation(s)
- Harini C Krishnan
- Department of Biological Science, Program in Neuroscience, Florida State University, Tallahassee, Florida 32306, USA
| | - Lisa C Lyons
- Department of Biological Science, Program in Neuroscience, Florida State University, Tallahassee, Florida 32306, USA
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Yang CH, Hwang CF, Lin PM, Chuang JH, Hsu CM, Lin SF, Yang MY. Sleep Disturbance and Altered Expression of Circadian Clock Genes in Patients With Sudden Sensorineural Hearing Loss. Medicine (Baltimore) 2015; 94:e978. [PMID: 26131842 PMCID: PMC4504592 DOI: 10.1097/md.0000000000000978] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
The cause of sudden sensorineural hearing loss (SSNHL) remains unclear and therefore it is often considered as idiopathic. Sleep disturbance has been linked to SSNHL and circadian rhythm disruption, but the link between circadian rhythm disruption and SSNHL has never been investigated.In this study, we surveyed the sleep quality of 38 patients with SSNHL using a simple insomnia sleep questionnaire. The expression of circadian clock genes in peripheral blood (PB) leukocytes from 38 patients with SSNHL and 71 healthy subjects was accessed using real-time quantitative reverse transcriptase-polymerase chain reaction and validated using immunocytochemical staining.We found that 61.8% of patients with SSNHL suffered from insomnia before the insult of hearing loss. Besides, significantly decreased expression of PER1, CRY1, CRY2, CLOCK, BMAL1, and CKlε was found in PB leukocytes of patients with SSNHL when compared with healthy subjects. SSNHL patients with vertigo had significantly lower expression of CRY1 and CKlε than patients without vertigo symptoms. Our results imply the association of sleep disturbance and disrupted circadian rhythm in SSNHL.
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Affiliation(s)
- Chao-Hui Yang
- From Department of Otolaryngology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan (CHY, JHC, CMH, CFH); Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan (CHY, JHC, CMH, MYY); Department of Nursing, I-Shou University, Kaohsiung, Taiwan (PML); Division of Hematology-Oncology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan (SFL); and Faculty of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan (SFL)
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50
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Partonen T. Clock genes in human alcohol abuse and comorbid conditions. Alcohol 2015; 49:359-65. [PMID: 25677407 DOI: 10.1016/j.alcohol.2014.08.013] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2014] [Accepted: 08/26/2014] [Indexed: 12/15/2022]
Abstract
Alcohol-use disorders are often comorbid conditions with mood and anxiety disorders. Clinical studies have demonstrated that there are abnormalities in circadian rhythms and clocks in patients with alcohol-use disorders. Circadian clock gene variants are therefore a fruitful target of interest. Concerning alcohol use, the current findings give support, but are preliminary to, the associations of ARNTL (BMAL1) rs6486120 with alcohol consumption, ARNTL2 rs7958822 and ARNTL2 rs4964057 with alcohol abuse, and PER1 rs3027172 and PER2 rs56013859 with alcohol dependence. Furthermore, it is of interest that CLOCK rs2412646 and CLOCK rs11240 associate with alcohol-use disorders only if comorbid with depressive disorders. The mechanistic basis of these associations and the intracellular actions for the encoded proteins in question remain to be elucidated in order to have the first insight of the potential small-molecule options for treatment of alcohol-use disorders.
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