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Viana Mendes J, Benedito-Silva AA, Medeiros Andrade MA, Vartanian D, da Silva Brandão Gonçalves B, Cipolla-Neto J, Pedrazzoli M. Actigraphic characterization of sleep and circadian phenotypes of PER3 gene VNTR genotypes. Chronobiol Int 2023; 40:1244-1250. [PMID: 37691400 DOI: 10.1080/07420528.2023.2256858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 07/12/2023] [Accepted: 09/02/2023] [Indexed: 09/12/2023]
Abstract
The molecular circadian timing system involves genes known as "clock genes," such as the PER3 gene. Studies have demonstrated associations among a repeat polymorphism (VNTR) of the PER3 gene with chronotypes, with the occurrence of circadian rhythm disorders and with sleep homeostasis phenotypes. The aim of this study was to investigate, by actigraphy, sleep and circadian rhythm profiles of people with different genotypes for the VNTR polymorphism of the PER3 gene. We genotyped 467 individuals (46,39% male) for the PER3 VNTR polymorphism. The mean age of the participants was 21.84 ± 2.64, ranging from 18 to 30 y old. Actigraphy data were collected from a subsample of 81 subjects with PER3 4-repeats homozygous (PER34/4) or 5-repeats homozygous (PER35/5) genotypes from April to June of 2021. From this sample, 48 PER34/4 and 33 PER35/5 subjects wore a wrist actigraph between 12 and 19 d. The sleep onset (weekdays, p = 0.015; weekend, p = 0.022) and offset (weekdays, p = 0.004; weekend, p = 0.041) of the PER35/5 group occurred later than the PER34/4 group. Similar results were observed for the mid-sleep phase of weekdays (MSW) (p = 0.008) and free days (MSF) (p = 0.019), and for the mid-sleep phase corrected for sleep debt accumulated over the week (MSFsc) (p = 0.024). Despite the phase differences found between the PER34/4 and PER35/5 groups, no differences were found in sleep duration and social jet lag. However, the PER34/4 group presented, on average, a longer sleep rebound on the days off when compared to the PER35/5 (p = 0.002). The PER35/5 group showed lower interdaily stability (IS) (p = 0.032) and higher daily activity rhythm variability (IV) (p = 0.035). The findings of the present study revealed associations between the PER3 gene, sleep, and circadian rhythms. In general, we found that the gene is associated with the expression of sleep timing and duration and to the phase of the activity rhythm. The experiments carried out here occurred in the COVID-19 pandemic scenario, which should be considered as an environmental element with potential effects on the results obtained.
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Affiliation(s)
- Juliana Viana Mendes
- School of Arts, Sciences and Humanities of University of São Paulo, São Paulo, Brazil
| | | | | | - Daniel Vartanian
- School of Arts, Sciences and Humanities of University of São Paulo, São Paulo, Brazil
| | | | - José Cipolla-Neto
- Laboratory of Neurobiology, Institute of Biomedical Sciences of University of São Paulo, São Paulo, Brazil
| | - Mario Pedrazzoli
- School of Arts, Sciences and Humanities of University of São Paulo, São Paulo, Brazil
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Meyer N, Harvey AG, Lockley SW, Dijk DJ. Circadian rhythms and disorders of the timing of sleep. Lancet 2022; 400:1061-1078. [PMID: 36115370 DOI: 10.1016/s0140-6736(22)00877-7] [Citation(s) in RCA: 72] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 03/20/2022] [Accepted: 05/05/2022] [Indexed: 02/06/2023]
Abstract
The daily alternation between sleep and wakefulness is one of the most dominant features of our lives and is a manifestation of the intrinsic 24 h rhythmicity underlying almost every aspect of our physiology. Circadian rhythms are generated by networks of molecular oscillators in the brain and peripheral tissues that interact with environmental and behavioural cycles to promote the occurrence of sleep during the environmental night. This alignment is often disturbed, however, by contemporary changes to our living environments, work or social schedules, patterns of light exposure, and biological factors, with consequences not only for sleep timing but also for our physical and mental health. Characterised by undesirable or irregular timing of sleep and wakefulness, in this Series paper we critically examine the existing categories of circadian rhythm sleep-wake disorders and the role of the circadian system in their development. We emphasise how not all disruption to daily rhythms is driven solely by an underlying circadian disturbance, and take a broader, dimensional approach to explore how circadian rhythms and sleep homoeostasis interact with behavioural and environmental factors. Very few high-quality epidemiological and intervention studies exist, and wider recognition and treatment of sleep timing disorders are currently hindered by a scarcity of accessible and objective tools for quantifying sleep and circadian physiology and environmental variables. We therefore assess emerging wearable technology, transcriptomics, and mathematical modelling approaches that promise to accelerate the integration of our knowledge in sleep and circadian science into improved human health.
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Affiliation(s)
- Nicholas Meyer
- Insomnia and Behavioural Sleep Medicine Clinic, University College London Hospitals NHS Foundation Trust, London, UK; Department of Psychosis Studies, Institute of Psychology, Psychiatry, and Neuroscience, King's College London, London, UK
| | - Allison G Harvey
- Department of Psychology, University of California, Berkeley, CA, USA
| | - Steven W Lockley
- Division of Sleep and Circadian Disorders, Department of Medicine and Department of Neurology, Brigham and Women's Hospital, Boston, MA, USA; Division of Sleep Medicine, Harvard Medical School, Boston, MA, USA; Surrey Sleep Research Centre, Department of Clinical and Experimental Medicine, University of Surrey, Guildford, UK
| | - Derk-Jan Dijk
- Surrey Sleep Research Centre, Department of Clinical and Experimental Medicine, University of Surrey, Guildford, UK; UK Dementia Research Institute, Care Research and Technology Centre, Imperial College London and the University of Surrey, Guildford, UK.
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Casale CE, Goel N. Genetic Markers of Differential Vulnerability to Sleep Loss in Adults. Genes (Basel) 2021; 12:1317. [PMID: 34573301 PMCID: PMC8464868 DOI: 10.3390/genes12091317] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Revised: 08/18/2021] [Accepted: 08/24/2021] [Indexed: 12/15/2022] Open
Abstract
In this review, we discuss reports of genotype-dependent interindividual differences in phenotypic neurobehavioral responses to total sleep deprivation or sleep restriction. We highlight the importance of using the candidate gene approach to further elucidate differential resilience and vulnerability to sleep deprivation in humans, although we acknowledge that other omics techniques and genome-wide association studies can also offer insights into biomarkers of such vulnerability. Specifically, we discuss polymorphisms in adenosinergic genes (ADA and ADORA2A), core circadian clock genes (BHLHE41/DEC2 and PER3), genes related to cognitive development and functioning (BDNF and COMT), dopaminergic genes (DRD2 and DAT), and immune and clearance genes (AQP4, DQB1*0602, and TNFα) as potential genetic indicators of differential vulnerability to deficits induced by sleep loss. Additionally, we review the efficacy of several countermeasures for the neurobehavioral impairments induced by sleep loss, including banking sleep, recovery sleep, caffeine, and naps. The discovery of reliable, novel genetic markers of differential vulnerability to sleep loss has critical implications for future research involving predictors, countermeasures, and treatments in the field of sleep and circadian science.
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Affiliation(s)
| | - Namni Goel
- Biological Rhythms Research Laboratory, Department of Psychiatry and Behavioral Sciences, Rush University Medical Center, 1645 W. Jackson Blvd., Suite 425, Chicago, IL 60612, USA;
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Grima NA, Rajaratnam SMW, Mansfield D, McKenzie D, Ponsford JL. Poorer sleep quality predicts melatonin response in TBI patients: findings from a randomized controlled trial. J Clin Sleep Med 2021; 17:1545-1551. [PMID: 33704046 DOI: 10.5664/jcsm.9234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
STUDY OBJECTIVES A recent clinical trial demonstrated that melatonin treatment was effective in improving self-perceived sleep quality in patients with TBI; however, it remains unclear which patients benefited from melatonin treatment. To that end, findings from the clinical trial were re-examined to identify possible predictors of treatment response. METHODS Hierarchical multiple regression was utilized to identify patient characteristics, TBI injury characteristics, and self-report measures assessing sleep, fatigue, mood, and anxiety symptomatology that may uniquely explain a change in self-reported sleep quality scores (follow-up minus baseline score) as assessed by the Pittsburgh Sleep Quality Index(PSQI). RESULTS After controlling for patient demographic and TBI injury-related variables, baseline self-report measures of sleep, fatigue, mood, and anxiety explained an additional 32% of the variance in change in PSQI scores. However, only baseline PSQI score made a unique and statistically significant contribution (β = -.56, p = .006). After controlling for patient and TBI characteristics, baseline PSQI scores further explained 27% of the variance in change in PSQI scores, R squared change = .27, F change (1, 27) = 11.79, p = .002). The standardized beta for baseline PSQI score revealed a statistically significant negative relationship with change in PSQI score (β = -.54, p = .002) revealing that higher PSQI score at baseline was associated with better sleep outcomes. CONCLUSIONS In a sample comprising predominately severe TBI and comorbid insomnia, participants who report poorer sleep quality have the most to gain from melatonin treatment irrespective of time since injury, demographics, fatigue, daytimes sleepiness, mood, and anxiety symptomology. CLINICAL TRIAL REGISTRATION The manuscript reports on a clinical trial which was prospectively registered with the Australian New Zealand Clinical Trials Registry on the 13th of July, 2011. Identifier: ACTRN12611000734965 https://www.anzctr.org.au/Trial/Registration/TrialReview.aspx?id=343083&showOriginal=true&isReview=true.
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Affiliation(s)
- Natalie A Grima
- Monash-Epworth Rehabilitation Research Centre, Epworth HealthCare, Richmond, VIC, Australia.,Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton Campus, Clayton, VIC, Australia
| | - Shantha M W Rajaratnam
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton Campus, Clayton, VIC, Australia
| | - Darren Mansfield
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton Campus, Clayton, VIC, Australia.,Monash Lung and Sleep, Monash Health, Clayton, VIC, Australia
| | - Dean McKenzie
- Epworth HealthCare, Richmond, VIC, Australia.,Department of Epidemiology and Preventive Medicine, Monash University, St. Kilda, VIC, Australia
| | - Jennie L Ponsford
- Monash-Epworth Rehabilitation Research Centre, Epworth HealthCare, Richmond, VIC, Australia.,Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton Campus, Clayton, VIC, Australia
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Zheng N, Yin F, Yu Q, Zhong J, Yang J, Xu Z, Su J, Chen X. Associations of PER3 polymorphisms with clopidogrel resistance among Chinese Han people treated with clopidogrel. J Clin Lab Anal 2021; 35:e23713. [PMID: 33501709 PMCID: PMC8059738 DOI: 10.1002/jcla.23713] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 01/07/2021] [Accepted: 01/08/2021] [Indexed: 02/03/2023] Open
Abstract
Background Changes in circadian rhythm are related to various diseases, such as immune system diseases and cardiovascular diseases. The PERIOD3 (PER3) clock gene is one of the most important genes in the rhythm regulation system. Our goal was to evaluate the possible association between the PER3 rs228729 (T/C) polymorphism or PER3 rs2797685(T/C) polymorphism and clopidogrel resistance (CR) and to study the impact of clinical baseline data on clopidogrel resistance. Methods PER3 polymorphisms rs2797685 (T/C) and rs228729 (T/C) were assessed in 156 patients with (72) and without (84) CR. Blood samples were collected and analyzed after the application of clopidogrel for interventional therapy. Results Age, albumin, PLT, and PCT levels influenced the risk of CR (p < 0.05). For rs2797685, when the PCT value was greater than 0.19, patients with the TT + TC genotype had an increased risk of clopidogrel resistance compared with those with the CC genotype (PCT ≥ 0.19, p = 0.014; PCT p = 0.004). In patients with albumin values greater than 40 or PCT greater than 0.19, those with the rs228729 TT + TC genotype had an increased risk of clopidogrel resistance compared with those with the CC genotype (albumin≥40, TT+TC:CC, p = 0.01, albumin p = 0.005; PCT ≥ 0.19, TT+TC:CC, p < 0.001, PCT p = 0.004). Logistic regression analysis of clinical baseline data and genotype showed that high albumin is a protective factor against clopidogrel resistance. The PER3 gene polymorphism has no clear correlation with clopidogrel resistance. Conclusion In summary, our research shows that PER3 SNPs may be helpful to assess the pathogenesis of CR.
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Affiliation(s)
- Nan Zheng
- Department of Cardiology, Ningbo No. 1 Hospital, Ningbo, Zhejiang, P.R. China
| | - Fengying Yin
- Department of General medicine, Ningbo No. 1 Hospital, Ningbo, Zhejiang, P.R. China
| | - Qinglin Yu
- Department of Traditional Chinese Internal Medicine, Ningbo No. 1 Hospital, Ningbo, Zhejiang, P.R. China
| | - Jinyan Zhong
- Department of Cardiology, Ningbo No. 2 Hospital, Ningbo, Zhejiang, P.R. China
| | - Jin Yang
- Department of Cardiology, Ningbo No. 1 Hospital, Ningbo, Zhejiang, P.R. China
| | - Zhifeng Xu
- Department of Cardiology, Zhenhai People's Hospital of Zhejiang Province, Yuyao, Zhejiang, P.R. China
| | - Jia Su
- Department of Cardiology, Ningbo No. 1 Hospital, Ningbo, Zhejiang, P.R. China
| | - Xiaomin Chen
- Department of Cardiology, Ningbo No. 1 Hospital, Ningbo, Zhejiang, P.R. China
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