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Pandi-Perumal SR, Saravanan KM, Paul S, Namasivayam GP, Chidambaram SB. Waking Up the Sleep Field: An Overview on the Implications of Genetics and Bioinformatics of Sleep. Mol Biotechnol 2024; 66:919-931. [PMID: 38198051 DOI: 10.1007/s12033-023-01009-1] [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: 08/04/2023] [Accepted: 11/28/2023] [Indexed: 01/11/2024]
Abstract
Sleep genetics is an intriguing, as yet less understood, understudied, emerging area of biological and medical discipline. A generalist may not be aware of the current status of the field given the variety of journals that have published studies on the genetics of sleep and the circadian clock over the years. For researchers venturing into this fascinating area, this review thus includes fundamental features of circadian rhythm and genetic variables impacting sleep-wake cycles. Sleep/wake pathway medication exposure and susceptibility are influenced by genetic variations, and the responsiveness of sleep-related medicines is influenced by several functional polymorphisms. This review highlights the features of the circadian timing system and then a genetic perspective on wakefulness and sleep, as well as the relationship between sleep genetics and sleep disorders. Neurotransmission genes, as well as circadian and sleep/wake receptors, exhibit functional variability. Experiments on animals and humans have shown that these genetic variants impact clock systems, signaling pathways, nature, amount, duration, type, intensity, quality, and quantity of sleep. In this regard, the overview covers research on sleep genetics, the genomic properties of several popular model species used in sleep studies, homologs of mammalian genes, sleep disorders, and related genes. In addition, the study includes a brief discussion of sleep, narcolepsy, and restless legs syndrome from the viewpoint of a model organism. It is suggested that the understanding of genetic clues on sleep function and sleep disorders may, in future, result in an evidence-based, personalized treatment of sleep disorders.
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Affiliation(s)
- Seithikurippu R Pandi-Perumal
- Centre for Experimental Pharmacology and Toxicology, Central Animal Facility, JSS Academy of Higher Education and Research, Mysuru, Karnataka, 570015, India
- Saveetha Medical College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, 602105, India
- Division of Research and Development, Lovely Professional University, Phagwara, Punjab, 144411, India
| | - Konda Mani Saravanan
- Department of Biotechnology, Bharath Institute of Higher Education and Research, Chennai, Tamil Nadu, 600073, India
| | - Sayan Paul
- Department of Biochemistry & Molecular Biology, The University of Texas Medical Branch at Galveston, Galveston, TX, 77555, USA
| | - Ganesh Pandian Namasivayam
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS), A210, Kyoto University Institute for Advanced Study, Yoshida Ushinomiya-cho, Sakyo-ku, Kyoto, 606-8501, Japan
| | - Saravana Babu Chidambaram
- Centre for Experimental Pharmacology and Toxicology, Central Animal Facility, JSS Academy of Higher Education and Research, Mysuru, Karnataka, 570015, India.
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education and Research, Mysuru, Karnataka, 570015, India.
- Special Interest Group - Brain, Behaviour and Cognitive Neurosciences, JSS Academy of Higher Education & Research, Mysuru, Karnataka, 570015, India.
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Lane JM, Qian J, Mignot E, Redline S, Scheer FAJL, Saxena R. Genetics of circadian rhythms and sleep in human health and disease. Nat Rev Genet 2023; 24:4-20. [PMID: 36028773 PMCID: PMC10947799 DOI: 10.1038/s41576-022-00519-z] [Citation(s) in RCA: 62] [Impact Index Per Article: 62.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/30/2022] [Indexed: 12/13/2022]
Abstract
Circadian rhythms and sleep are fundamental biological processes integral to human health. Their disruption is associated with detrimental physiological consequences, including cognitive, metabolic, cardiovascular and immunological dysfunctions. Yet many of the molecular underpinnings of sleep regulation in health and disease have remained elusive. Given the moderate heritability of circadian and sleep traits, genetics offers an opportunity that complements insights from model organism studies to advance our fundamental molecular understanding of human circadian and sleep physiology and linked chronic disease biology. Here, we review recent discoveries of the genetics of circadian and sleep physiology and disorders with a focus on those that reveal causal contributions to complex diseases.
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Affiliation(s)
- Jacqueline M Lane
- Center for Genomic Medicine and Department of Anaesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Division of Sleep and Circadian Disorders, Brigham and Women's Hospital; and Division of Sleep Medicine, Harvard Medical School, Boston, MA, USA
- Program in Medical and Population Genetics, Broad Institute, Cambridge, MA, USA
| | - Jingyi Qian
- Division of Sleep and Circadian Disorders, Brigham and Women's Hospital; and Division of Sleep Medicine, Harvard Medical School, Boston, MA, USA
| | - Emmanuel Mignot
- Center for Narcolepsy, Stanford University, Palo Alto, California, USA
| | - Susan Redline
- Division of Sleep and Circadian Disorders, Brigham and Women's Hospital; and Division of Sleep Medicine, Harvard Medical School, Boston, MA, USA
| | - Frank A J L Scheer
- Division of Sleep and Circadian Disorders, Brigham and Women's Hospital; and Division of Sleep Medicine, Harvard Medical School, Boston, MA, USA.
| | - Richa Saxena
- Center for Genomic Medicine and Department of Anaesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.
- Division of Sleep and Circadian Disorders, Brigham and Women's Hospital; and Division of Sleep Medicine, Harvard Medical School, Boston, MA, USA.
- Program in Medical and Population Genetics, Broad Institute, Cambridge, MA, USA.
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Keenan BT, Galante RJ, Lian J, Simecek P, Gatti DM, Zhang L, Lim DC, Svenson KL, Churchill GA, Pack AI. High-throughput sleep phenotyping produces robust and heritable traits in Diversity Outbred mice and their founder strains. Sleep 2021; 43:5740842. [PMID: 32074270 DOI: 10.1093/sleep/zsz278] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 10/25/2019] [Indexed: 12/14/2022] Open
Abstract
STUDY OBJECTIVES This study describes high-throughput phenotyping strategies for sleep and circadian behavior in mice, including examinations of robustness, reliability, and heritability among Diversity Outbred (DO) mice and their eight founder strains. METHODS We performed high-throughput sleep and circadian phenotyping in male mice from the DO population (n = 338) and their eight founder strains: A/J (n = 6), C57BL/6J (n = 14), 129S1/SvlmJ (n = 6), NOD/LtJ (n = 6), NZO/H1LtJ (n = 6), CAST/EiJ (n = 8), PWK/PhJ (n = 8), and WSB/EiJ (n = 6). Using infrared beam break systems, we defined sleep as at least 40 s of continuous inactivity and quantified sleep-wake amounts and bout characteristics. We developed assays to measure sleep latency in a new environment and during a modified Murine Multiple Sleep Latency Test, and estimated circadian period from wheel-running experiments. For each trait, broad-sense heritability (proportion of variability explained by all genetic factors) was derived in founder strains, while narrow-sense heritability (proportion of variability explained by additive genetic effects) was calculated in DO mice. RESULTS Phenotypes were robust to different inactivity durations to define sleep. Differences across founder strains and moderate/high broad-sense heritability were observed for most traits. There was large phenotypic variability among DO mice, and phenotypes were reliable, although estimates of heritability were lower than in founder mice. This likely reflects important nonadditive genetic effects. CONCLUSIONS A high-throughput phenotyping strategy in mice, based primarily on monitoring of activity patterns, provides reliable and heritable estimates of sleep and circadian traits. This approach is suitable for discovery analyses in DO mice, where genetic factors explain some proportion of phenotypic variation.
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Affiliation(s)
- Brendan T Keenan
- Division of Sleep Medicine, Department of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Raymond J Galante
- Division of Sleep Medicine, Department of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Jie Lian
- Division of Sleep Medicine, Department of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Petr Simecek
- Central European Institute of Technology, Masaryk University, Brno, Czech Republic.,Jackson Laboratory, Bar Harbor, ME
| | | | - Lin Zhang
- Division of Sleep Medicine, Department of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Diane C Lim
- Division of Sleep Medicine, Department of Medicine, University of Pennsylvania, Philadelphia, PA
| | | | | | - Allan I Pack
- Division of Sleep Medicine, Department of Medicine, University of Pennsylvania, Philadelphia, PA
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Morley-Fletcher S, Mairesse J, Van Camp G, Reynaert ML, Gatta E, Marrocco J, Bouwalerh H, Nicoletti F, Maccari S. Perinatal Stress Programs Sex Differences in the Behavioral and Molecular Chronobiological Profile of Rats Maintained Under a 12-h Light-Dark Cycle. Front Mol Neurosci 2019; 12:89. [PMID: 31118884 PMCID: PMC6504690 DOI: 10.3389/fnmol.2019.00089] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Accepted: 03/21/2019] [Indexed: 11/13/2022] Open
Abstract
Stress and the circadian systems play a major role in an organism's adaptation to environmental changes. The adaptive value of the stress system is reactive while that of the circadian system is predictive. Dysfunctions in these two systems may account for many clinically relevant disorders. Despite the evidence that interindividual differences in stress sensitivity and in the functioning of the circadian system are related, there is limited integrated research on these topics. Moreover, sex differences in these systems are poorly investigated. We used the perinatal stress (PRS) rat model, a well-characterized model of maladaptive programming of reactive and predictive adaptation, to monitor the running wheel behavior in male and female adult PRS rats, under a normal light/dark cycle as well as in response to a chronobiological stressor (6-h phase advance/shift). We then analyzed across different time points the expression of genes involved in circadian clocks, stress response, signaling, and glucose metabolism regulation in the suprachiasmatic nucleus (SCN). In the unstressed control group, we found a sex-specific profile that was either enhanced or inverted by PRS. Also, PRS disrupted circadian wheel-running behavior by inducing a phase advance in the activity of males and hypoactivity in females and increased vulnerability to chronobiological stress in both sexes. We also observed oscillations of several genes in the SCN of the unstressed group in both sexes. PRS affected males to greater extent than females, with PRS males displaying a pattern similar to unstressed females. Altogether, our findings provide evidence for a specific profile of dysmasculinization induced by PRS at the behavioral and molecular level, thus advocating the necessity to include sex as a biological variable to study the set-up of circadian system in animal models.
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Affiliation(s)
- Sara Morley-Fletcher
- UMR 8576, Unité de Glycobiologie Structurale et Fonctionnelle, Campus Cité Scientifique, CNRS, University of Lille, Lille, France.,University Lille - CNRS-UMR 8576, International Associated Laboratory (LIA) "Prenatal Stress and Neurodegenerative Diseases," Sapienza University of Rome - IRCCS Neuromed, Rome, Italy
| | - Jerome Mairesse
- Division of Neonatology, Department of Pediatrics, University of Geneva, Geneva, Switzerland
| | - Gilles Van Camp
- UMR 8576, Unité de Glycobiologie Structurale et Fonctionnelle, Campus Cité Scientifique, CNRS, University of Lille, Lille, France.,University Lille - CNRS-UMR 8576, International Associated Laboratory (LIA) "Prenatal Stress and Neurodegenerative Diseases," Sapienza University of Rome - IRCCS Neuromed, Rome, Italy
| | - Marie-Line Reynaert
- UMR 8576, Unité de Glycobiologie Structurale et Fonctionnelle, Campus Cité Scientifique, CNRS, University of Lille, Lille, France
| | - Eleonora Gatta
- Department of Psychiatry, College of Medicine, Psychiatric Institute, Center for Alcohol Research in Epigenetics, University of Illinois at Chicago, Chicago, IL, United States
| | - Jordan Marrocco
- Laboratory of Neuroendocrinology, The Rockefeller University, New York, NY, United States
| | - Hammou Bouwalerh
- UMR 8576, Unité de Glycobiologie Structurale et Fonctionnelle, Campus Cité Scientifique, CNRS, University of Lille, Lille, France.,University Lille - CNRS-UMR 8576, International Associated Laboratory (LIA) "Prenatal Stress and Neurodegenerative Diseases," Sapienza University of Rome - IRCCS Neuromed, Rome, Italy
| | - Ferdinando Nicoletti
- Department of Physiology and Pharmacology "V. Erspamer," Sapienza University of Rome, Rome, Italy.,Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), NEUROMED, Pozzilli, Italy
| | - Stefania Maccari
- UMR 8576, Unité de Glycobiologie Structurale et Fonctionnelle, Campus Cité Scientifique, CNRS, University of Lille, Lille, France.,Department of Science and Medical - Surgical Biotechnology, Sapienza University of Rome, Rome, Italy
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Sleep and Heat Related Changes in the Cognitive Performance of Underground Miners: A Possible Health and Safety Concern. MINERALS 2011. [DOI: 10.3390/min1010049] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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