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Al-Bakry D, Athaide CE, Pathmarajan R, Kuhn T, Middleton LE, Au JS. Short-term vascular responses to spring and fall daylight savings time shifts. Am J Physiol Heart Circ Physiol 2024; 326:H1138-H1145. [PMID: 38426867 DOI: 10.1152/ajpheart.00034.2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 02/23/2024] [Accepted: 02/23/2024] [Indexed: 03/02/2024]
Abstract
Daylight saving time (DST) is a Western biannual time transition, setting the clock back 1 h in the fall and forward 1 h in the spring. There is an epidemiological link between DST and acute myocardial infarction risk in the first week following the spring shift; however, the mechanisms underlying the effect of DST on cardiovascular function remain unclear. The purpose of this study was to explore the short-term cardiovascular changes induced by fall and spring shifts in DST in a convenience sample of healthy adults. We hypothesized that spring, but not fall, DST shifts would acutely increase central pulse wave velocity, the gold standard measurement of central arterial stiffness. Twenty-one individuals (fall: n = 10; spring: n = 11) participated in four visits, occurring 1 wk before and at +1, +3, and +5 days after spring and fall time transitions. Central, brachial, and radial pulse wave velocity as well as carotid augmentation index were assessed with applanation tonometry. Sleep quality and memory function were assessed via questionnaire and the Mnemonic Similarities Task, respectively. Neither fall or spring transition resulted in changes to cardiovascular variables (carotid-femoral pulse wave velocity, carotid-brachial pulse wave velocity, carotid-radial pulse wave velocity, heart rate, mean arterial pressure, or augmentation index), sleep quality, or cognitive function (all P > 0.05). Our findings do not provide evidence that DST shifts influence cardiovascular outcomes in healthy adults. This study emphasizes the need for further research to determine the mechanisms of increased cardiovascular disease risk with DST that help explain epidemiological trends.NEW & NOTEWORTHY The debate of whether to abolish daylight savings time (DST) is, in part, motivated by the population-level increase in all-cause mortality and incidence of cardiovascular events following DST; however, there is an absence of data to support a physiological basis for risk. We found no changes in pulse wave velocity or augmentation index during the subacute window of DST. Large multisite trials are necessary to address the small, but meaningful, effects brought on by a societal event.
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Affiliation(s)
- Dara Al-Bakry
- Department of Kinesiology and Health Sciences, University of Waterloo, Waterloo, Canada
| | - Chloe E Athaide
- Department of Kinesiology and Health Sciences, University of Waterloo, Waterloo, Canada
| | - Rishiga Pathmarajan
- Department of Kinesiology and Health Sciences, University of Waterloo, Waterloo, Canada
| | - Tara Kuhn
- Department of Kinesiology and Health Sciences, University of Waterloo, Waterloo, Canada
| | - Laura E Middleton
- Department of Kinesiology and Health Sciences, University of Waterloo, Waterloo, Canada
| | - Jason S Au
- Department of Kinesiology and Health Sciences, University of Waterloo, Waterloo, Canada
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Luo H, Cheng J, Zhang Z, Zhang Y, Wang X, Hu R, Li J, Guo Y, Luo Q. Seasonal patterns in Chinese population: Validating the seasonal pattern assessment questionnaire and exploring associations with psychiatric diagnoses and biological rhythms. Chronobiol Int 2024:1-12. [PMID: 38644696 DOI: 10.1080/07420528.2024.2337875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 03/27/2024] [Indexed: 04/23/2024]
Abstract
Seasonal patterns (SP) exert a notable influence on the course and prognosis of patients with affective disorders, serving as a specifier in diagnosis. However, there is limited exploration of seasonality among psychotic patients, and the distinctions in seasonality among psychiatric patients remain unclear. In this study, we enrolled 198 psychiatric patients with anxiety and depressive disorders (A&D), bipolar disorder (BD), and schizophrenia (SZ), as well as healthy college students. Online questionnaires, including the Seasonal Pattern Assessment Questionnaire (SPAQ) for seasonality, the Morningness and Eveningness Questionnaire-5 (MEQ-5) for chronotypes, and the Pittsburgh Sleep Quality Index (PSQI), were administered. The validity and reliability of the Chinese version of the SPAQ were thoroughly analyzed, revealing a Cronbach's alpha of 0.896 with a two-factor structure. Results indicated that higher seasonality was correlated with poorer sleep quality and a more delayed chronotype (p < 0.05). Significant monthly variations were particularly evident in BD, specifically in mood, appetite, weight, social activities, and sleep dimensions (p < 0.001). In summary, the Chinese version of SPAQ is validated, demonstrating moderate correlations between seasonality, chronotype, and sleep quality. BD patients exhibited the strongest seasonality, while mood disorder patients displayed more delayed chronotypes than SZ.
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Affiliation(s)
- Huirong Luo
- Department of Psychiatry, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Juan Cheng
- Department of Psychiatry, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Department of Psychiatry, Nanchuan Hospital of Chongqing Medical University, Chongqing, China
| | - Zheng Zhang
- Department of Psychiatry, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yinlin Zhang
- Department of Psychiatry, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Department of Children and Adolescents, Chongqing Mental Health Center, Chongqing, China
| | - Xueqian Wang
- Department of Psychiatry, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
- School of Psychology, Army Military Medical University, Chongqing, China
| | - Renqin Hu
- Department of Psychiatry, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Junyao Li
- Department of Psychiatry, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yanwei Guo
- Department of Psychiatry, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Qinghua Luo
- Department of Psychiatry, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
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Gu YF, Bao ZX, Yu KH, Wang L, Cheng DW, Chen SH, Li YL. Effects of Total Intravenous Anesthesia on Circadian Rhythms in Patients Undergoing Cardiac Transcatheter Closure. Zhongguo Yi Xue Ke Xue Yuan Xue Bao 2024:1713516179290-1522845760. [PMID: 38639112 DOI: 10.3881/j.issn.1000-503x.15896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 04/20/2024]
Abstract
Objective To evaluate the effects of total intravenous anesthesia on the circadian rhythms in the patients undergoing cardiac transcatheter closure. Methods Thirty patients undergoing cardiac transcatheter closure under elective intravenous anesthesia were included in this study.Paired t-tests were performed to compare the mRNA levels of the genes encoding circadian locomotor output cycles kaput(CLOCK),brain and muscle ARNT-1 like protein-1(BMAL1),cryptochrome 1(CRY1),and period circadian clock 2(PER2),the Munich Chronotype Questionnaire(MCTQ)score,and the Pittsburgh Sleep Quality Index(PSQI)score before and after anesthesia.Multiple stepwise regression analysis was performed to screen the factors influencing sleep chronotype and PSQI total score one week after surgery. Results The postoperative mRNA level of CLOCK was higher [1.38±1.23 vs.1.90±1.47;MD(95%CI):0.52(0.20-0.84),t=3.327,P=0.002] and the postoperative mRNA levels of CRY1 [1.56±1.50 vs.1.13±0.98;MD(95%CI):-0.43(-0.81--0.05),t=-2.319,P=0.028] and PER2 [0.82±0.63 vs.0.50±0.31;MD(95%CI):-0.33(-0.53--0.12),t=-3.202,P=0.003] were lower than the preoperative levels.One week after surgery,the patients presented advanced sleep chronotype [3∶03±0∶59 vs.2∶42±0∶37;MD(95%CI):-21(-40--1),t=-2.172,P=0.038],shortened sleep latency [(67±64)min vs.(37±21)min;MD(95%CI):-30.33(-55.28--5.39),t=-2.487,P=0.019],lengthened sleep duration [(436±83)min vs.(499±83)min;MD(95%CI):62.80(26.93-98.67),t=3.581,P=0.001],increased sleep efficiency [(87.59±10.35)% vs.(92.98±4.27)%;MD(95%CI):5.39(1.21-9.58),t=2.636,P=0.013],decreased sleep quality score [1.13±0.78 vs.0.80±0.71;MD(95%CI):-0.33(-0.62--0.05),t=-2.408,P=0.023],and declined PSQI total score [6.60±3.17 vs.4.03±2.58;MD(95%CI):-2.57(-3.87--1.27),t=-4.039,P<0.001].Body mass index(BMI)(B=-227.460,SE=95.475,t=-2.382,P=0.025),anesthesia duration(B=-47.079,SE=18.506,t=-2.544,P=0.017),and mRNA level of PER2(B=2815.804,SE=1080.183,t=2.607,P=0.015)collectively influenced the sleep chronotype,and the amount of anesthesia medicine(B=0.067,SE=0.028,t=2.385,P=0.024)independently influenced the PSQI one week after surgery. Conclusions Total intravenous anesthesia can improve sleep habits by advancing sleep chronotype.BMI,anesthesia duration,and mRNA level of PER2 collectively influence sleep chronotype one week after surgery.The amount of anesthesia medicine independently influences the PSQI total score one week after surgery.
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Affiliation(s)
- Yun-Fei Gu
- The First School of Clinical Medicine,Lanzhou University,Lanzhou 730000,China
| | - Zhen-Xing Bao
- The First School of Clinical Medicine,Lanzhou University,Lanzhou 730000,China
| | - Kai-Hua Yu
- The First School of Clinical Medicine,Lanzhou University,Lanzhou 730000,China
| | - Ling Wang
- Department of Cardiovascular Surgery,The First Hospital of Lanzhou University,Lanzhou 730000,China
| | - Dian-Wei Cheng
- Department of Cardiovascular Surgery,The First Hospital of Lanzhou University,Lanzhou 730000,China
| | - Su-Heng Chen
- The First School of Clinical Medicine,Lanzhou University,Lanzhou 730000,China
| | - Yu-Lan Li
- Department of Anesthesiology,The First Hospital of Lanzhou University,Lanzhou 730000,China
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Kim S, Casement MD. Promoting adolescent sleep and circadian function: A narrative review on the importance of daylight access in schools. Chronobiol Int 2024:1-13. [PMID: 38616310 DOI: 10.1080/07420528.2024.2341156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 04/04/2024] [Indexed: 04/16/2024]
Abstract
Adolescent sleep disturbances and circadian delays pose significant challenges to mood and daytime functioning. In this narrative review, we explore the impact of light on sleep and highlight the importance of monitoring and managing light exposure in adolescents throughout the day and night. The benefits of daylight exposure in mitigating sleep and circadian disruptions are well-established; however, interventions targeting access to daylight in adolescents remain understudied and underutilized. The primary aim of this narrative review is to bring attention to this gap in the literature and propose the need for institutional-level interventions that promote access to daylight, especially considering adolescents' early school start times and substantial time spent indoors on weekdays. School-led interventions, such as active commuting to school and outdoor curriculums, have promising effects on sleep and circadian rhythms. Additionally, practical measures to optimize natural light in classrooms, including managing blinds and designing conducive environments, should also be considered. While future studies are necessary to facilitate the implementation of interventions, the potential for these school-level interventions to support adolescent sleep health is evident. Aiming for integration of individual-level regulation and institutional-level intervention of light exposure is necessary for optimal outcomes.
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Affiliation(s)
- Sojeong Kim
- Department of Psychology, University of Oregon, Eugene, Oregon, USA
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Heppner N, Reitmeier S, Heddes M, Merino MV, Schwartz L, Dietrich A, List M, Gigl M, Meng C, van der Veen DR, Schirmer M, Kleigrewe K, Omer H, Kiessling S, Haller D. Diurnal rhythmicity of infant fecal microbiota and metabolites: A randomized controlled interventional trial with infant formula. Cell Host Microbe 2024; 32:573-587.e5. [PMID: 38569545 DOI: 10.1016/j.chom.2024.02.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 01/13/2024] [Accepted: 02/26/2024] [Indexed: 04/05/2024]
Abstract
Microbiota assembly in the infant gut is influenced by diet. Breastfeeding and human breastmilk oligosaccharides promote the colonization of beneficial bifidobacteria. Infant formulas are supplemented with bifidobacteria or complex oligosaccharides, notably galacto-oligosaccharides (GOS), to mimic breast milk. To compare microbiota development across feeding modes, this randomized controlled intervention study (German Clinical Trial DRKS00012313) longitudinally sampled infant stool during the first year of life, revealing similar fecal bacterial communities between formula- and breast-fed infants (N = 210) but differences across age. Infant formula containing GOS sustained high levels of bifidobacteria compared with formula containing B. longum and B. breve or placebo. Metabolite and bacterial profiling revealed 24-h oscillations and circadian networks. Rhythmicity in bacterial diversity, specific taxa, and functional pathways increased with age and was strongest following breastfeeding and GOS supplementation. Circadian rhythms in dominant taxa were further maintained ex vivo in a chemostat model. Hence, microbiota rhythmicity develops early in life and is impacted by diet.
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Affiliation(s)
- Nina Heppner
- Chair of Nutrition and Immunology, Technical University of Munich, Gregor-Mendel-Strasse 2, 85354 Freising, Germany; ZIEL - Institute for Food & Health, Technical University of Munich, 85354 Freising, Germany
| | - Sandra Reitmeier
- Chair of Nutrition and Immunology, Technical University of Munich, Gregor-Mendel-Strasse 2, 85354 Freising, Germany; ZIEL - Institute for Food & Health, Technical University of Munich, 85354 Freising, Germany
| | - Marjolein Heddes
- Chair of Nutrition and Immunology, Technical University of Munich, Gregor-Mendel-Strasse 2, 85354 Freising, Germany; ZIEL - Institute for Food & Health, Technical University of Munich, 85354 Freising, Germany
| | - Michael Vig Merino
- Chair of Nutrition and Immunology, Technical University of Munich, Gregor-Mendel-Strasse 2, 85354 Freising, Germany; ZIEL - Institute for Food & Health, Technical University of Munich, 85354 Freising, Germany
| | - Leon Schwartz
- Data Science in Systems Biology, School of Life Sciences, Technical University of Munich, 85354 Freising, Germany
| | - Alexander Dietrich
- Data Science in Systems Biology, School of Life Sciences, Technical University of Munich, 85354 Freising, Germany
| | - Markus List
- Data Science in Systems Biology, School of Life Sciences, Technical University of Munich, 85354 Freising, Germany
| | - Michael Gigl
- Bavarian Center for Biomolecular Mass Spectrometry, Technical University of Munich, Gregor-Mendel-Strasse 4, 85354 Freising, Germany
| | - Chen Meng
- Bavarian Center for Biomolecular Mass Spectrometry, Technical University of Munich, Gregor-Mendel-Strasse 4, 85354 Freising, Germany
| | - Daan R van der Veen
- Faculty of Health and Biomedical Science, University of Surrey, 388 Stag Hill Campus, Guildford 17 GU27XH, UK
| | - Melanie Schirmer
- ZIEL - Institute for Food & Health, Technical University of Munich, 85354 Freising, Germany
| | - Karin Kleigrewe
- Bavarian Center for Biomolecular Mass Spectrometry, Technical University of Munich, Gregor-Mendel-Strasse 4, 85354 Freising, Germany
| | - Hélène Omer
- Chair of Nutrition and Immunology, Technical University of Munich, Gregor-Mendel-Strasse 2, 85354 Freising, Germany; ZIEL - Institute for Food & Health, Technical University of Munich, 85354 Freising, Germany
| | - Silke Kiessling
- Chair of Nutrition and Immunology, Technical University of Munich, Gregor-Mendel-Strasse 2, 85354 Freising, Germany; ZIEL - Institute for Food & Health, Technical University of Munich, 85354 Freising, Germany; Faculty of Health and Biomedical Science, University of Surrey, 388 Stag Hill Campus, Guildford 17 GU27XH, UK
| | - Dirk Haller
- Chair of Nutrition and Immunology, Technical University of Munich, Gregor-Mendel-Strasse 2, 85354 Freising, Germany; ZIEL - Institute for Food & Health, Technical University of Munich, 85354 Freising, Germany.
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Kumari R, Verma V, Singaravel M. Simulated Chronic Jet Lag Affects the Structural and Functional Complexity of Hippocampal Neurons in Mice. Neuroscience 2024; 543:1-12. [PMID: 38354900 DOI: 10.1016/j.neuroscience.2024.01.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 12/21/2023] [Accepted: 01/29/2024] [Indexed: 02/16/2024]
Abstract
There has been a long history that chronic circadian disruption such as jet lag or shift work negatively affects brain and body physiology. Studies have shown that circadian misalignment act as a risk factor for developing anxiety and mood-related depression-like behavior. Till date, most studies focused on simulating jet lag in model animals under laboratory conditions by repeated phase advances or phase delay only, while the real-life conditions may differ. In the present study, adult male mice were subjected to simulated chronic jet lag (CJL) by alternately advancing and delaying the ambient light-dark (LD) cycle by 9 h every 2 days, thereby covering a total of 24 days. The effect of CJL was then examined for a range of stress and depression-related behavioral and physiological responses. The results showed that mice exposed to CJL exhibited depression-like behavior, such as anhedonia. In the open field and elevated plus maze test, CJL-exposed mice showed increased anxiety behavior compared to LD control. In addition, CJL-exposed mice showed an increased level of serum corticosterone and proinflammatory cytokine, TNF-α in both serum and hippocampus. Moreover, CJL-exposed mice exhibited a reduction in structural complexity of hippocampal CA1 neurons along with decreased expression of neurotrophic growth factors, BDNF and NGF in the hippocampus compared to LD control. Taken together, our findings suggest that simulated chronic jet lag adversely affects structural and functional complexity in hippocampal neurons along with interrelated endocrine and inflammatory responses, ultimately leading to stress, anxiety, and depression-like behavior in mice.
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Affiliation(s)
- Ruchika Kumari
- Chronobiology Lab, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
| | - Vivek Verma
- Chronobiology Lab, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
| | - Muniyandi Singaravel
- Chronobiology Lab, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India.
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Yoshikawa T, Honma KI, Shigeyoshi Y, Yamagata Y, Honma S. A critical role of Ca 2+/calmodulin-dependent protein kinase II in coupling between evening and morning circadian oscillators in the suprachiasmatic nucleus. Eur J Neurosci 2024. [PMID: 38571281 DOI: 10.1111/ejn.16316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 02/16/2024] [Accepted: 02/28/2024] [Indexed: 04/05/2024]
Abstract
Ca2+/calmodulin-dependent protein kinase IIα (CaMKIIα) is widely expressed in the brain and is involved in various functions, including memory formation, mood and sleep. We previously reported that CaMKIIα is involved in the circadian molecular clock. Mice lacking functional CaMKIIα (K42R mice) exhibited a gradual increase in activity time (α decompression) of running-wheel (RW) activity due to a lengthened circadian period (τ) of activity offset under constant darkness (DD). In the present study, to investigate the functional roles of CaMKIIα in behavioural rhythms, we measured RW and general movements simultaneously under prolonged DD. Tau became longer as the relative intensity of behaviour activity within an activity time shifted from activity onset towards activity offset. In some K42R mice, α was gradually expanded with a marked reduction of RW activity, while general movements persisted without noticeable decline, which was followed by an abrupt shortening of α (α compression) with differential phase shifts of the activity onset and offset and recovery of RW activity. These results suggest that an internal coupling between the oscillators controlling activity onset and offset is bidirectional but with different strengths. The α compression occurred recurrently in 38% of K42R mice examined with an average interval of 37 days in association with attenuation of RW activity but never in the wild-type (WT) mice. Consistent with behavioural rhythms, the circadian period of the PER2::LUC rhythm in the cultured suprachiasmatic nucleus (SCN) slice was significantly longer in K42R than in WT. These findings are best interpreted by assuming that a loss of functional CaMKIIα attenuates the coupling between the onset and offset oscillators.
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Affiliation(s)
- Tomoko Yoshikawa
- Photonic Bioimaging Section, Research Center for Cooperative Project, Hokkaido University Graduate School of Medicine, Sapporo, Japan
- Department of Chronomedicine, Hokkaido University Graduate School of Medicine, Sapporo, Japan
- Department of Anatomy and Neurobiology, Kindai University Faculty of Medicine, Osakasayama, Japan
- Organization for International Education and Exchange, University of Toyama, Toyama, Japan
| | - Ken-Ichi Honma
- Department of Chronomedicine, Hokkaido University Graduate School of Medicine, Sapporo, Japan
- Research and Education Center for Brain Science, Hokkaido University, Sapporo, Japan
| | - Yasufumi Shigeyoshi
- Department of Anatomy and Neurobiology, Kindai University Faculty of Medicine, Osakasayama, Japan
| | - Yoko Yamagata
- Section of Multilayer Physiology, National Institute for Physiological Sciences, Okazaki, Japan
- The Graduate University for Advanced Studies, Hayama, Japan
| | - Sato Honma
- Department of Chronomedicine, Hokkaido University Graduate School of Medicine, Sapporo, Japan
- Research and Education Center for Brain Science, Hokkaido University, Sapporo, Japan
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Fernandes GL, da Silva Vallim JR, D'Almeida V, Tufik S, Andersen ML. The effects of social jetlag and sleep variability on sleepiness in a population-based study: The mediating role of sleep debt. J Sleep Res 2024; 33:e14043. [PMID: 37691450 DOI: 10.1111/jsr.14043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 07/25/2023] [Accepted: 08/25/2023] [Indexed: 09/12/2023]
Abstract
Sleepiness is a multicausal condition, and previous research has highlighted associations between this symptom and the circadian timing system, specifically concerning social jetlag and sleep variability. Recent inquiries have shown that the effects of social jetlag on sleepiness can be confounded with the consequences of sleep debt. In light of the current evidence, we aimed to assess the effects of social jetlag and sleep variability on sleepiness and the potential mediating role of sleep debt. We used data from the EPISONO study, a cross-sectional population-based study with a sample size of 1042 participants, representative of the city of Sao Paulo, Brazil. Participants completed the UNIFESP Sleep Questionnaire (self-reported bedtime and get-up time) and the Epworth Sleepiness Scale (subjective daytime sleepiness). Subsequently, sleep-corrected mid-sleep time (chronotype), total sleep time, social jetlag (absolute difference between the mid-sleep time on workdays and mid-sleep time on free days), sleep variability (standard deviation of mid-sleep time), and sleep debt (difference between total sleep time on workdays and free days) were calculated. Generalised linear models were used to test whether social jetlag and sleep variability affected sleepiness. Mediation models were used to determine if any observed significant effects were mediated by sleep debt. The prevalence of social jetlag was 23% for >1 h and 12% for >2 h. The mean sleep variability was 41 ± 30 min. Social jetlag had a significant effect on the Epworth Sleepiness Scale scores. This association was no longer statistically significant after controlling for age, sex, body mass index, work schedule, and chronotype. A significant indirect effect of social jetlag on sleep debt and subsequently on the Epworth Sleepiness Scale scores was found. No effect of sleep variability on sleepiness could be identified. In conclusion, the association between social jetlag and sleepiness was mediated by sleep debt but was not independent of demographic, work, and chronotype variables. This study provides new evidence on the importance of circadian misalignment and sleep debt for sleep health on a population level.
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Affiliation(s)
| | | | - Vânia D'Almeida
- Departamento de Psicobiologia, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Sergio Tufik
- Departamento de Psicobiologia, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Monica Levy Andersen
- Departamento de Psicobiologia, Universidade Federal de São Paulo, São Paulo, Brazil
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Soomro QH, Koplan BA, Costea AI, Roy-Chaudhury P, Tumlin JA, Kher V, Williamson DE, Pokhariyal S, McClure CK, Charytan DM. Arrhythmia and Time of Day in Maintenance Hemodialysis: Secondary Analysis of the Monitoring in Dialysis Study. Kidney Med 2024; 6:100799. [PMID: 38572395 PMCID: PMC10987926 DOI: 10.1016/j.xkme.2024.100799] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2024] Open
Abstract
Rationale & Objective The incidence of arrhythmia varies by time of day. How this affects individuals on maintenance dialysis is uncertain. Our objective was to quantify the relationship of arrhythmia with the time of day and timing of dialysis. Study Design Secondary analysis of the Monitoring in Dialysis study, a multicenter prospective cohort study. Settings & Participants Loop recorders were implanted for continuous cardiac monitoring in 66 participants on maintenance dialysis with a follow up of 6 months. Exposure Time of day based on 6-hour intervals. Outcomes Event rates of clinically significant arrhythmia. Analytical Approach Negative binomial mixed effects regression models for repeated measures were used to evaluate data from the Monitoring in Dialysis study for differences in diurnal patterns of clinically significant arrhythmia among those with end-stage kidney disease with heart failure and end-stage kidney disease alone. We additionally analyzed rates according to presence of heart failure, time of dialysis shift, and dialysis versus nondialysis day. Results Rates of clinically significant arrhythmia peaked between 12:00 AM and 5:59 AM and were more than 1.5-fold as frequent during this interval than the rest of the day. In contrast, variations in atrial fibrillation peaked between 6:00 AM and 11:59 AM, but variations across the day were qualitatively small. Clinically significant arrhythmia occurred at numerically higher rate in individuals with end-stage kidney disease and heart failure (5.9 events/mo; 95% CI, 1.3-26.8) than those without heart failure (4.0 events/mo; 95% CI, 0.9-17.9). Although differences in overall rate were not significant, their periodicity was significantly different (P < 0.001), with a peak between 12:00 AM and 6:00 AM with kidney failure alone and between 6:00 AM and 11:59 AM in those with heart failure. Although the overall clinically significant arrhythmia rate was similar in morning compared with evening dialysis shifts (P = 0.43), their periodicity differed with a peak between 12:00 AM and 5:59 AM in those with AM dialysis and a later peak between 6:00 AM and 11:59 AM in those with PM shifts. Limitations Post hoc analysis, unable to account for unmeasured confounders. Conclusion Clinically significant arrhythmias showed strong diurnal patterns with a maximal peak between 12:00 AM and 5:59 AM and noon. Although overall arrhythmia rates were similar, the peak rate occurred overnight in individuals without heart failure and during the morning in individuals with heart failure. Further exploration of the influence of circadian rhythm on arrhythmia in the setting of hemodialysis is needed.
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Affiliation(s)
- Qandeel H. Soomro
- Nephrology Division, Department of Medicine, NYU Langone Medical Center, New York, New York
| | | | | | - Prabir Roy-Chaudhury
- University of North Carolina Kidney Center, Chapel Hill, North Carolina
- WG (Bill) Hefner VA Medical Center, Salisbury, North Carolina
| | - James A. Tumlin
- Georgia Nephrology Clinical Research Institute, Atlanta, Georgia
| | - Vijay Kher
- Fortis Escorts Kidney & Urology Institute, Fortis Escorts Hospital, New Delhi, India
| | | | | | | | - David M. Charytan
- Nephrology Division, Department of Medicine, NYU Langone Medical Center, New York, New York
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Ma H, Li Q, Shang Y, Xin X, Liu X, Wu Z, Yu W. Impact of circadian clock protein Bmal1 on experimentally-induced periodontitis-associated renal injury. Hua Xi Kou Qiang Yi Xue Za Zhi 2024; 42:163-171. [PMID: 38597076 DOI: 10.7518/hxkq.2024.2023245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/11/2024]
Abstract
OBJECTIVES To investigate the mechanism of circadian clock protein Bmal1 (Bmal1) on renal injury with chronic periodontitis, we established an experimental rat periodontitis model. METHODS Twelve male Wistar rats were randomly divided into control and periodontitis groups (n=6, each group). The first maxillary molars on both sides of the upper jaw of rats with periodontitis were ligated by using orthodontic ligature wires, whereas the control group received no intervention measures. After 8 weeks, clinical periodontal parameters, including probing depth, bleeding index, and tooth mobility, were evaluated in both groups. Micro-CT scanning and three-dimensional image reconstruction were performed on the maxillary bones of the rats for the assessment of alveolar bone resorption. Histopatholo-gical observations of periodontal and renal tissues were conducted using hematoxylin-eosin (HE) and periodic acid-Schiff (PAS) staining. Renal function indicators, such as creatinine, albumin, and blood urea nitrogen levels, and oxidative stress markers, including superoxide dismutase, glutathione, and malondialdehyde levels, were measured using biochemical assay kits. MitoSOX red staining was used to detect reactive oxygen species (ROS) content in the kidneys. The gene and protein expression levels of Bmal1, nuclear factor erythroid 2-related factor 2 (Nrf2), and heme oxygenase-1 (HO-1) in rat renal tissues were assessed using real-time quantitative polymerase chain reaction (RT-qPCR) and immunohistochemical staining. RESULTS Micro-CT and HE staining results showed significant bone resorption and attachment loss in the maxillary first molar region of the periodontitis group. Histological examination through HE and PAS staining revealed substantial histopathological damage to the renal tissues of the rats in the periodontitis group. The findings of the assessment of renal function and oxidative stress markers indicated that the periodontitis group exhibited abnormal levels of oxidative stress, whereas the renal function levels showed abnormalities without statistical significance. MitoSOX Red staining results showed that the content of ROS in the renal tissue of the periodontitis group was significantly higher than that of the control group, and RT-qPCR and immunohistochemistry results showed that the expression levels of Bmal1, Nrf2, and HO-1 in the renal tissues of the rats in the periodontitis group showed a decreasing trend. CONCLUSIONS Circadian clock protein Bmal1 plays an important role in the oxidative damage process involved in the renal of rats with periodontitis.
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Affiliation(s)
- Haonan Ma
- Dept. of Periodontology, Hospital of Stomatology, Jilin University, Changchun 130021, China
| | - Qiong Li
- Dept. of Periodontology, Hospital of Stomatology, Jilin University, Changchun 130021, China
| | - Yaqi Shang
- Dept. of Periodontology, Hospital of Stomatology, Jilin University, Changchun 130021, China
| | - Xirui Xin
- Dept. of Periodontology, Hospital of Stomatology, Jilin University, Changchun 130021, China
| | - Xinchan Liu
- Dept. of Implantology, Hospital of Stomatology, Jilin University, Changchun 130021, China
| | - Zhou Wu
- Institute of Dentistry, Kyushu University, Fukuoka 812-8582, Japan
| | - Weixian Yu
- Dept. of Geriatric Dentistry, Hospital of Stomatology, Jilin University, Changchun 130021, China
- Jilin Province International Joint Research Center for Oral Biomedicine, Changchun 130021, China
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Spies C, Piazena H, Deja M, Wernecke KD, Willemeit T, Luetz A. Modification in ICU Design May Affect Delirium and Circadian Melatonin: A Proof of Concept Pilot Study. Crit Care Med 2024; 52:e182-e192. [PMID: 38112493 PMCID: PMC10930376 DOI: 10.1097/ccm.0000000000006152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Abstract
OBJECTIVES Nonpharmacologic delirium management is recommended by current guidelines, but studies on the impact of ICU design are still limited. The study's primary purpose was to determine if a multicomponent change in room design prevents ICU delirium. Second, the influence of lighting conditions on serum melatonin was assessed. DESIGN Prospective observational cohort pilot study. SETTING The new design concept was established in two two-bed ICU rooms of a university hospital. Besides modifications aimed at stress relief, it includes a new dynamic lighting system. PATIENTS Seventy-four adult critically ill patients on mechanical ventilation with an expected ICU length of stay of at least 48 hours, treated in modified or standard rooms. INTERVENTIONS None. MEASUREMENTS AND MAIN RESULTS The clinical examination included a prospective assessment for depth of sedation, delirium, and pain every 8 hours using validated scores. Blood samples for serum melatonin profiles were collected every 4 hours for a maximum of three 24-hour periods. Seventy-four patients were included in the analysis. Seventy-six percent ( n = 28) of patients in the standard rooms developed delirium compared with 46% of patients ( n = 17) in the modified rooms ( p = 0.017). Patients in standard rooms (vs. modified rooms) had a 2.3-fold higher delirium severity (odds ratio = 2.292; 95% CI, 1.582-3.321; p < 0.0001). Light intensity, calculated using the measure of circadian effective irradiance, significantly influenced the course of serum melatonin ( p < 0.0001). Significant interactions ( p < 0.001) revealed that differences in serum melatonin between patients in standard and modified rooms were not the same over time but varied in specific periods of time. CONCLUSIONS Modifications in ICU room design may influence the incidence and severity of delirium. Dedicated light therapy could potentially influence delirium outcomes by modulating circadian melatonin levels.
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Affiliation(s)
- Claudia Spies
- Department of Anesthesiology and Intensive Care Medicine, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt Universität zu Berlin, Berlin, Germany
| | - Helmut Piazena
- Department of Anesthesiology and Intensive Care Medicine, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt Universität zu Berlin, Berlin, Germany
| | - Maria Deja
- Department of Anesthesiology and Intensive Care Medicine, University Medical Center Schleswig-Holstein, Berlin, Lübeck, Germany
| | - Klaus-Dieter Wernecke
- Institute Department of Biometry and Clinical Epidemiology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Thomas Willemeit
- Department of Architectural Research, GRAFT Architects Berlin, Berlin, Germany
| | - Alawi Luetz
- Department of Anesthesiology and Intensive Care Medicine, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt Universität zu Berlin, Berlin, Germany
- Department of Healthcare Management, Technische Universität Berlin, Berlin, Germany
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Damm J, Aureli F, Rangel-Negrín A, Barradas-Moctezuma M, Dias PAD. Analytical and biological validation of a noninvasive measurement of glucocorticoid metabolites in feces of Geoffroy's spider monkeys (Ateles geoffroyi). Am J Primatol 2024; 86:e23598. [PMID: 38258612 DOI: 10.1002/ajp.23598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 12/21/2023] [Accepted: 01/06/2024] [Indexed: 01/24/2024]
Abstract
We report on an analytical and biological validation of a commercial cortisol enzyme immunoassay (EIA) to measure glucocorticoids (GC) in feces of Geoffroy's spider monkeys (Ateles geoffroyi). Validation of endocrinological methods for each sample matrix and study species is crucial to establish that the methods produce reliable results. For the analytical validation of the EIA, we assessed parallelism, accuracy, and precision. We carried out a biological validation based on three well-studied GC patterns with the following predictions: (1) increased fecal GC metabolite (fGCM) concentrations after veterinary intervention; (2) increased fGCM concentrations during early morning hours; and (3) higher fGCM concentrations during gestation than in other female reproductive states. For the first prediction, we sampled feces of two zoo-housed females 2 days before, the day of, and 2 days after a veterinary intervention. For the second prediction, we analyzed 284 fecal samples collected from 12 wild males using a linear mixed model (LMM). For the third prediction, we analyzed 269 fecal samples of eight wild females using an LMM. Analytical validation revealed that the EIA showed parallelism, was accurate, and precise within each assay. However, there was elevated variation in between-assay precision. The biological validation supported all predictions: (1) the two zoo-housed females showed a substantial increase in fGCM concentrations 2.5 and 11 h after veterinary intervention; (2) there was a negative effect of sample collection time on fGCM concentrations (i.e., higher concentrations during early morning); (3) gestating females had significantly higher fGCM concentrations than lactating females. Thus, we analytically validated the commercial EIA and, despite between-assay variation, we were able to find three biologically relevant GC signals in captive and wild settings, and in males and females. We are therefore confident that the method can be used to noninvasively address behavioral endocrinology questions in Geoffroy's spider monkeys.
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Affiliation(s)
- Juliane Damm
- Instituto de Neuroetología, Universidad Veracruzana, Xalapa, Mexico
| | - Filippo Aureli
- Instituto de Neuroetología, Universidad Veracruzana, Xalapa, Mexico
- Research Centre in Evolutionary Anthropology and Palaeoecology, Liverpool John Moores University, Liverpool, UK
| | - Ariadna Rangel-Negrín
- Instituto de Neuroetología, Universidad Veracruzana, Xalapa, Mexico
- Primate Behavioral Ecology Lab, Instituto de Neuro-etología, Universidad Veracruzana, Xalapa, Mexico
| | | | - Pedro A D Dias
- Primate Behavioral Ecology Lab, Instituto de Neuro-etología, Universidad Veracruzana, Xalapa, Mexico
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Rath MF. Homeobox gene-encoded transcription factors in development and mature circadian function of the rodent pineal gland. J Pineal Res 2024; 76:e12950. [PMID: 38558122 DOI: 10.1111/jpi.12950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 02/15/2024] [Accepted: 03/11/2024] [Indexed: 04/04/2024]
Abstract
Homeobox genes encode transcription factors that are widely known to control developmental processes. This is also the case in the pineal gland, a neuroendocrine brain structure devoted to nighttime synthesis of the hormone melatonin. Thus, in accordance with high prenatal gene expression, knockout studies have identified a specific set of homeobox genes that are essential for development of the pineal gland. However, as a special feature of the pineal gland, homeobox gene expression persists into adulthood, and gene product abundance exhibits 24 h circadian rhythms. Recent lines of evidence show that some homeobox genes even control expression of enzymes catalyzing melatonin synthesis. We here review current knowledge of homeobox genes in the rodent pineal gland and suggest a model for dual functions of homeobox gene-encoded transcription factors in developmental and circadian mature neuroendocrine function.
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Affiliation(s)
- Martin F Rath
- Department of Neuroscience, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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14
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Ratley G, Zeldin J, Chaudhary PP, Yadav M, Paller AS, Zee P, Myles IA, Fishbein A. The circadian metabolome of atopic dermatitis. J Allergy Clin Immunol 2024; 153:1148-1154. [PMID: 38262502 PMCID: PMC10999347 DOI: 10.1016/j.jaci.2023.11.926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 10/11/2023] [Accepted: 11/08/2023] [Indexed: 01/25/2024]
Abstract
BACKGROUND Atopic dermatitis (AD) is a chronic inflammatory skin disease characterized by dry, pruritic skin. Several studies have described nocturnal increases in itching behavior, suggesting a role for the circadian rhythm in modulating symptom severity. However, the circadian rhythm of metabolites in the skin and serum of patients with AD is yet to be described. OBJECTIVE We sought to assess circadian patterns of skin and serum metabolism in patients with AD. METHODS Twelve patients with moderate to severe AD and 5 healthy volunteers were monitored for 28 hours in a controlled environment. Serum was collected every 2 hours and tape strips every 4 hours from both lesional and nonlesional skin in participants with AD and location-, sex-, and age-matched healthy skin of controls. We then performed an untargeted metabolomics analysis, examining the circadian peaks of metabolism in patients with AD. RESULTS Distinct metabolic profiles were observed in AD versus control samples. When accounting for time of collection, the greatest differences in serum metabolic pathways were observed in arachidonic acid, steroid biosynthesis, and terpenoid backbone biosynthesis. We identified 42 circadian peaks in AD or control serum and 17 in the skin. Pathway enrichment and serum-skin metabolite correlation varied throughout the day. Differences were most evident in the late morning and immediately after sleep onset. CONCLUSIONS Although limited by a small sample size and observational design, our findings suggest that accounting for sample collection time could improve biomarker detection studies in AD and highlight that metabolic changes may be associated with nocturnal differences in symptom severity.
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Affiliation(s)
- Grace Ratley
- Epithelial Therapeutics Unit, National Institute of Allergy and Infectious Disease, National Institutes of Health, Bethesda, Md
| | - Jordan Zeldin
- Epithelial Therapeutics Unit, National Institute of Allergy and Infectious Disease, National Institutes of Health, Bethesda, Md
| | - Prem Prashant Chaudhary
- Epithelial Therapeutics Unit, National Institute of Allergy and Infectious Disease, National Institutes of Health, Bethesda, Md
| | - Manoj Yadav
- Epithelial Therapeutics Unit, National Institute of Allergy and Infectious Disease, National Institutes of Health, Bethesda, Md
| | - Amy S Paller
- Departments of Dermatology and Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, Ill
| | - Phyllis Zee
- Department of Neurology, Center for Sleep & Circadian Medicine, Northwestern University Feinberg School of Medicine, Chicago, Ill
| | - Ian A Myles
- Epithelial Therapeutics Unit, National Institute of Allergy and Infectious Disease, National Institutes of Health, Bethesda, Md.
| | - Anna Fishbein
- Division of Allergy & Immunology, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Northwestern University Feinberg School of Medicine, Chicago, Ill
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15
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Miller MB, DiBello AM. Choosing between longitudinal, daily, and momentary assessments: A sleep and alcohol example. Alcohol Clin Exp Res (Hoboken) 2024. [PMID: 38556471 DOI: 10.1111/acer.15310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Accepted: 03/25/2024] [Indexed: 04/02/2024]
Affiliation(s)
- Mary Beth Miller
- Department of Psychiatry, University of Missouri, Columbia, Missouri, USA
- Department of Psychological Sciences, University of Missouri, Columbia, Missouri, USA
| | - Angelo M DiBello
- Center of Alcohol and Substance Use Studies, Graduate School of Applied and Professional Psychology, Rutgers University, Piscataway, New Jersey, USA
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Menéndez Albarracín A, Valls Carbó A, Rabaneda Lombarte N, Yugueros Baena B, Carbonell Gisbert J, Flores-Pina B, Larrañaga De Bofarull MC, Martínez Sánchez M, Hernández-Pérez M, Bustamante Rangel A, Dorado Bouix L, Gomis Cortina M, Millán Tornè M, Pérez de la Ossa N. Time of the day and season distribution among stroke code subtypes: differences between ischemic stroke, intracranial hemorrhage, and stroke mimic. Front Neurol 2024; 15:1372324. [PMID: 38595853 PMCID: PMC11002223 DOI: 10.3389/fneur.2024.1372324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Accepted: 03/08/2024] [Indexed: 04/11/2024] Open
Abstract
Background Circadian variations in the timing of the onset of stroke symptoms have been described, showing a morning excess of cardiovascular risk. To date, no differences have been found between stroke subtype and time distribution throughout the day. The present study aims to compare the seasonal and circadian rhythm of symptoms onset in ischemic, hemorrhagic, and stroke mimic patients. Methods This study was conducted prospectively at a hospital and involved a cohort of stroke alert patients from 2018 to 2021. Stroke subtypes were classified as ischemic stroke, intracerebral hemorrhage (ICH), transient ischemic attack (TIA), and stroke mimic. Clinical variables were recorded, and each patient was assigned to a 4-h interval of the day according to the time of onset of symptoms; unwitnessed stroke patients were analyzed separately. Seasonal changes in stroke distribution were analyzed at 3-month intervals. Results A total of 2,348 patients were included in this analysis (ischemic 67%, ICH 13%, mimic 16%, and TIA 3%). Regardless of stroke subtype, most of the patients were distributed between 08-12 h and 12-16 h. Significant differences were found in the time distribution depending on stroke subtype, with ICH predominating in the 4-8 h period (dawn), most of which were hypertensive, TIA in the 12-16 h period (afternoon), and stroke mimic in the 20 h period (evening). The ischemic stroke was evenly distributed throughout the different periods of the day. There were no differences in the seasonal pattern between different stroke subtypes, with winter being the one that accumulated the most cases. Conclusion The present study showed different circadian patterns of stroke subtypes, with a predominance of ICH at dawn and stroke mimic in the afternoon. The stroke circadian rhythm resembles previous studies, with a higher incidence in the morning and a second peak in the afternoon.
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Tsuno Y, Mieda M. Circadian rhythm mechanism in the suprachiasmatic nucleus and its relation to the olfactory system. Front Neural Circuits 2024; 18:1385908. [PMID: 38590628 PMCID: PMC11000122 DOI: 10.3389/fncir.2024.1385908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Accepted: 03/12/2024] [Indexed: 04/10/2024] Open
Abstract
Animals need sleep, and the suprachiasmatic nucleus, the center of the circadian rhythm, plays an important role in determining the timing of sleep. The main input to the suprachiasmatic nucleus is the retinohypothalamic tract, with additional inputs from the intergeniculate leaflet pathway, the serotonergic afferent from the raphe, and other hypothalamic regions. Within the suprachiasmatic nucleus, two of the major subtypes are vasoactive intestinal polypeptide (VIP)-positive neurons and arginine-vasopressin (AVP)-positive neurons. VIP neurons are important for light entrainment and synchronization of suprachiasmatic nucleus neurons, whereas AVP neurons are important for circadian period determination. Output targets of the suprachiasmatic nucleus include the hypothalamus (subparaventricular zone, paraventricular hypothalamic nucleus, preoptic area, and medial hypothalamus), the thalamus (paraventricular thalamic nuclei), and lateral septum. The suprachiasmatic nucleus also sends information through several brain regions to the pineal gland. The olfactory bulb is thought to be able to generate a circadian rhythm without the suprachiasmatic nucleus. Some reports indicate that circadian rhythms of the olfactory bulb and olfactory cortex exist in the absence of the suprachiasmatic nucleus, but another report claims the influence of the suprachiasmatic nucleus. The regulation of circadian rhythms by sensory inputs other than light stimuli, including olfaction, has not been well studied and further progress is expected.
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Affiliation(s)
- Yusuke Tsuno
- Department of Integrative Neurophysiology, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
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Leckie KM, Sawler J, Kapos P, MacKenzie JO, Giles I, Baynes K, Lo J, Baute GJ, Celedon JM. Loss of daylength sensitivity by splice site mutation in Cannabis pseudo-response regulator. Plant J 2024. [PMID: 38525679 DOI: 10.1111/tpj.16726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 03/08/2024] [Accepted: 03/10/2024] [Indexed: 03/26/2024]
Abstract
Photoperiod insensitivity (auto-flowering) in drug-type Cannabis sativa circumvents the need for short day (SD) flowering requirements making outdoor cultivation in high latitudes possible. However, the benefits of photoperiod insensitivity are counterbalanced by low cannabinoid content and poor flower quality in auto-flowering genotypes. Despite recent studies in cannabis flowering, a mechanistic understanding of photoperiod insensitivity is still lacking. We used a combination of genome-wide association study and genetic fine-mapping to identify the genetic cause of auto-flowering in cannabis. We then used gene expression analyses and transient transformation assays to characterize flowering time control. Herein, we identify a splice site mutation within circadian clock gene PSEUDO-RESPONSE REGULATOR 37 (CsPRR37) in auto-flowering cannabis. We show that CsPRR37 represses FT expression and its circadian oscillations transition to a less repressive state during SD as compared to long days (LD). We identify several key circadian clock genes whose expression is altered in auto-flowering cannabis, particularly under non-inductive LD. Research into the pervasiveness of this mutation and others affecting flowering time will help elucidate cannabis domestication history and advance cannabis breeding toward a more sustainable outdoor cultivation system.
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Affiliation(s)
- Keegan M Leckie
- Breeding and Genetics Department, Aurora Cannabis, Inc., 1590 Galbraith Rd, Comox, British Columbia, V9M 4A1, Canada
| | - Jason Sawler
- Breeding and Genetics Department, Aurora Cannabis, Inc., 1590 Galbraith Rd, Comox, British Columbia, V9M 4A1, Canada
| | - Paul Kapos
- Breeding and Genetics Department, Aurora Cannabis, Inc., 1590 Galbraith Rd, Comox, British Columbia, V9M 4A1, Canada
| | - John O MacKenzie
- Breeding and Genetics Department, Aurora Cannabis, Inc., 1590 Galbraith Rd, Comox, British Columbia, V9M 4A1, Canada
| | - Ingrid Giles
- Breeding and Genetics Department, Aurora Cannabis, Inc., 1590 Galbraith Rd, Comox, British Columbia, V9M 4A1, Canada
| | - Katherine Baynes
- Breeding and Genetics Department, Aurora Cannabis, Inc., 1590 Galbraith Rd, Comox, British Columbia, V9M 4A1, Canada
| | - Jessica Lo
- Breeding and Genetics Department, Aurora Cannabis, Inc., 1590 Galbraith Rd, Comox, British Columbia, V9M 4A1, Canada
| | - Gregory J Baute
- Breeding and Genetics Department, Aurora Cannabis, Inc., 1590 Galbraith Rd, Comox, British Columbia, V9M 4A1, Canada
| | - Jose M Celedon
- Breeding and Genetics Department, Aurora Cannabis, Inc., 1590 Galbraith Rd, Comox, British Columbia, V9M 4A1, Canada
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Janc M, Lipiec E, Jóźwiak Z, Polańska K, Makowiec-Dąbrowska T. [Ergonomics and organization of remote work - health aspect and recommendations for home office organization]. Med Pr 2024; 75:69-80. [PMID: 38523502 DOI: 10.13075/mp.5893.01493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/26/2024] Open
Abstract
Analyses of the economic activity of the Polish population indicate that in 2023, about 7% of all employees performed, usually or sometimes, their work in the form of remote work. The purpose of this publication is to analyze the impact of working with screen-monitor devices on computer vision syndromes, musculoskeletal disorders, circadian rhythm, and to identify recommendations for the proper organization of the home office. A narrative review of the existing literature on the impact of work with the use of devices equipped with screen monitors on the health of employees was performed, as well as recommendations in the above-mentioned area were presented. The most important factors determining the load on the visual organs and musculoskeletal system and affecting the overall health and well-being of employees during remote work are the proper arrangement of the workstation (in accordance with ergonomic principles) and the organization of work (limiting the time spent working at the computer/laptop, systematic active breaks) and healthy sleep habits. It is crucial that both employers, occupational health professionals and employees themselves are aware of the importance to their health of correct preparation of the home office, and have adequate knowledge in this regard. Med Pr Work Health Saf. 2024;75(1):69-80.
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Affiliation(s)
- Magdalena Janc
- Instytut Medycyny Pracy im. prof. J. Nofera / Nofer Institute of Occupational Medicine, Łódź, Poland (Zakład Środowiskowych i Zawodowych Zagrożeń Zdrowia / Department of Environmental and Occupational Health Hazards)
| | - Ewa Lipiec
- Instytut Medycyny Pracy im. prof. J. Nofera / Nofer Institute of Occupational Medicine, Łódź, Poland (Klinika Chorób Zawodowych i Zdrowia Środowiskowego / Clinic of Occupational Diseases and Environmental Health)
| | - Zbigniew Jóźwiak
- Instytut Medycyny Pracy im. prof. J. Nofera / Nofer Institute of Occupational Medicine, Łódź, Poland (Zakład Środowiskowych i Zawodowych Zagrożeń Zdrowia / Department of Environmental and Occupational Health Hazards)
| | - Kinga Polańska
- Instytut Medycyny Pracy im. prof. J. Nofera / Nofer Institute of Occupational Medicine, Łódź, Poland (Zakład Środowiskowych i Zawodowych Zagrożeń Zdrowia / Department of Environmental and Occupational Health Hazards)
| | - Teresa Makowiec-Dąbrowska
- Instytut Medycyny Pracy im. prof. J. Nofera / Nofer Institute of Occupational Medicine, Łódź, Poland (Zakład Środowiskowych i Zawodowych Zagrożeń Zdrowia / Department of Environmental and Occupational Health Hazards)
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Böhmer MN, Oppewal A, Bindels PJE, van Someren EJW, Festen DAM. Long-term effects of environmental dynamic lighting on sleep-wake rhythm, mood and behaviour in older adults with intellectual disabilities. J Intellect Disabil Res 2024. [PMID: 38504557 DOI: 10.1111/jir.13133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 01/19/2024] [Accepted: 02/15/2024] [Indexed: 03/21/2024]
Abstract
BACKGROUND Sleep-wake problems and depressive symptoms are common in people with intellectual disabilities (IDs) and are thought to be related to the unstable sleep-wake rhythm in this population. Previously, we showed that after increasing environmental light exposure, mid-sleep and sleep onset advanced, and mood improved over a period of 14 weeks after installing environmental dynamic light installations in the living room of people with IDs. We invited participants of that short-term study to take part in the current study on sleep-wake rhythm, mood and behaviour in older adults with IDs 1 year after installing environmental dynamic light installations in the common living rooms of six group homes. METHODS A pre-post study was performed from October 2017 to February 2019. We included 45 participants (63.5 ± 8.5 years, 67% female) from six group home facilities who provided data at baseline (9, 4 and 1 weeks prior to installing light installations), short term (3, 7 and 14 weeks after installing light installations) and 1 year (54 weeks after installing light installations). Wrist activity was measured with actigraphy (GENEActiv) to derive the primary outcome of interdaily stability of sleep-wake rhythms as well as sleep estimates. Mood was measured with the Anxiety, Depression and Mood Scale. Behaviour was measured with the Aberrant Behaviour Checklist. RESULTS One year after installing dynamic lighting, we did not find a change in interdaily stability. Total sleep time decreased (β = -25.40 min; confidence interval: -10.99, -39.82), and sleep onset time was delayed (β = 25.63 min; confidence interval: 11.18, 40.08). No effect on mood or behaviour was found. CONCLUSIONS We did not find a change in sleep-wake rhythm, mood or behaviour in older persons with IDs living in care facilities 1 year after installing the light. We did find evidence for a long-term effect on sleep duration and sleep timing. The results have to be interpreted with care as the current study had a limited number of participants. The need for more research on the long-term effects of enhancing environmental light in ID settings is evident.
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Affiliation(s)
- M N Böhmer
- Department of General Practice, Intellectual Disability Medicine Research, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
- Middin, Care Organization for People with Intellectual Disabilities, Rijswijk, The Netherlands
| | - A Oppewal
- Department of General Practice, Intellectual Disability Medicine Research, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - P J E Bindels
- Department of General Practice, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - E J W van Someren
- Department of Sleep and Cognition, Netherlands Institute for Neuroscience, an Institute of the Royal Netherlands Academy of Arts and Sciences, Amsterdam, The Netherlands
- Department of Integrative Neurophysiology, Centre for Neurogenomics and Cognitive Research, Neuroscience Campus Amsterdam, Vrije Universiteit, Amsterdam, The Netherlands
- Department of Psychiatry, Amsterdam Public Health Research Institute, Amsterdam UMC, Vrije Universiteit, and GGZ inGeest, Amsterdam, The Netherlands
| | - D A M Festen
- Department of General Practice, Intellectual Disability Medicine Research, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
- Ipse de Bruggen, Care Organization for People with Intellectual Disabilities, Zoetermeer, The Netherlands
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21
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Mergenthaler P, Balami JS, Neuhaus AA, Mottahedin A, Albers GW, Rothwell PM, Saver JL, Young ME, Buchan AM. Stroke in the Time of Circadian Medicine. Circ Res 2024; 134:770-790. [PMID: 38484031 DOI: 10.1161/circresaha.124.323508] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Accepted: 02/15/2024] [Indexed: 03/19/2024]
Abstract
Time-of-day significantly influences the severity and incidence of stroke. Evidence has emerged not only for circadian governance over stroke risk factors, but also for important determinants of clinical outcome. In this review, we provide a comprehensive overview of the interplay between chronobiology and cerebrovascular disease. We discuss circadian regulation of pathophysiological mechanisms underlying stroke onset or tolerance as well as in vascular dementia. This includes cell death mechanisms, metabolism, mitochondrial function, and inflammation/immunity. Furthermore, we present clinical evidence supporting the link between disrupted circadian rhythms and increased susceptibility to stroke and dementia. We propose that circadian regulation of biochemical and physiological pathways in the brain increase susceptibility to damage after stroke in sleep and attenuate treatment effectiveness during the active phase. This review underscores the importance of considering circadian biology for understanding the pathology and treatment choice for stroke and vascular dementia and speculates that considering a patient's chronotype may be an important factor in developing precision treatment following stroke.
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Affiliation(s)
- Philipp Mergenthaler
- Center for Stroke Research Berlin (P.M., A.M.B.), Charité - Universitätsmedizin Berlin, Germany
- Department of Neurology with Experimental Neurology (P.M.), Charité - Universitätsmedizin Berlin, Germany
- Stroke Research, Radcliffe Department of Medicine (P.M., J.S.B., A.A.N., A.M., A.M.B.), University of Oxford, United Kingdom
- Consortium International pour la Recherche Circadienne sur l'AVC (CIRCA) (P.M., J.S.B., A.A.N., A.M., G.W.A., P.M.R., J.L.S., M.E.Y., A.M.B.)
| | - Joyce S Balami
- Stroke Research, Radcliffe Department of Medicine (P.M., J.S.B., A.A.N., A.M., A.M.B.), University of Oxford, United Kingdom
- Consortium International pour la Recherche Circadienne sur l'AVC (CIRCA) (P.M., J.S.B., A.A.N., A.M., G.W.A., P.M.R., J.L.S., M.E.Y., A.M.B.)
| | - Ain A Neuhaus
- Stroke Research, Radcliffe Department of Medicine (P.M., J.S.B., A.A.N., A.M., A.M.B.), University of Oxford, United Kingdom
- Department of Radiology, Oxford University Hospitals NHS Foundation Trust, United Kingdom (A.A.N.)
- Consortium International pour la Recherche Circadienne sur l'AVC (CIRCA) (P.M., J.S.B., A.A.N., A.M., G.W.A., P.M.R., J.L.S., M.E.Y., A.M.B.)
| | - Amin Mottahedin
- Stroke Research, Radcliffe Department of Medicine (P.M., J.S.B., A.A.N., A.M., A.M.B.), University of Oxford, United Kingdom
- Nuffield Department of Clinical Neurosciences (A.M., P.M.R.), University of Oxford, United Kingdom
- Consortium International pour la Recherche Circadienne sur l'AVC (CIRCA) (P.M., J.S.B., A.A.N., A.M., G.W.A., P.M.R., J.L.S., M.E.Y., A.M.B.)
| | - Gregory W Albers
- Department of Neurology, Stanford Hospital, Palo Alto, CA (G.W.A.)
- Consortium International pour la Recherche Circadienne sur l'AVC (CIRCA) (P.M., J.S.B., A.A.N., A.M., G.W.A., P.M.R., J.L.S., M.E.Y., A.M.B.)
| | - Peter M Rothwell
- Nuffield Department of Clinical Neurosciences (A.M., P.M.R.), University of Oxford, United Kingdom
- Wolfson Centre for Prevention of Stroke and Dementia, Nuffield Department of Clinical Neurosciences (P.M.R.), University of Oxford, United Kingdom
- Consortium International pour la Recherche Circadienne sur l'AVC (CIRCA) (P.M., J.S.B., A.A.N., A.M., G.W.A., P.M.R., J.L.S., M.E.Y., A.M.B.)
| | - Jeffrey L Saver
- Department of Neurology and Comprehensive Stroke Center, Geffen School of Medicine, University of Los Angeles, CA (J.L.S.)
- Consortium International pour la Recherche Circadienne sur l'AVC (CIRCA) (P.M., J.S.B., A.A.N., A.M., G.W.A., P.M.R., J.L.S., M.E.Y., A.M.B.)
| | - Martin E Young
- Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham (M.E.Y.)
- Consortium International pour la Recherche Circadienne sur l'AVC (CIRCA) (P.M., J.S.B., A.A.N., A.M., G.W.A., P.M.R., J.L.S., M.E.Y., A.M.B.)
| | - Alastair M Buchan
- Center for Stroke Research Berlin (P.M., A.M.B.), Charité - Universitätsmedizin Berlin, Germany
- Stroke Research, Radcliffe Department of Medicine (P.M., J.S.B., A.A.N., A.M., A.M.B.), University of Oxford, United Kingdom
- Consortium International pour la Recherche Circadienne sur l'AVC (CIRCA) (P.M., J.S.B., A.A.N., A.M., G.W.A., P.M.R., J.L.S., M.E.Y., A.M.B.)
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22
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Abstract
The blood-brain barrier (BBB) is a critical interface separating the central nervous system from the peripheral circulation, ensuring brain homeostasis and function. Recent research has unveiled a profound connection between the BBB and circadian rhythms, the endogenous oscillations synchronizing biological processes with the 24-hour light-dark cycle. This review explores the significance of circadian rhythms in the context of BBB functions, with an emphasis on substrate passage through the BBB. Our discussion includes efflux transporters and the molecular timing mechanisms that regulate their activities. A significant focus of this review is the potential implications of chronotherapy, leveraging our knowledge of circadian rhythms for improving drug delivery to the brain. Understanding the temporal changes in BBB can lead to optimized timing of drug administration, to enhance therapeutic efficacy for neurological disorders while reducing side effects. By elucidating the interplay between circadian rhythms and drug transport across the BBB, this review offers insights into innovative therapeutic interventions.
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Affiliation(s)
- Mari Kim
- Cell Biology Department, Emory University, Atlanta, GA, USA (M.K., S.L.Z.)
| | - Richard F Keep
- Neurosurgery, University of Michigan, Ann Arbor, MI, USA (R.F.K.)
| | - Shirley L Zhang
- Cell Biology Department, Emory University, Atlanta, GA, USA (M.K., S.L.Z.)
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23
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Lo EH, Faraci FM. Circadian Mechanisms in Cardiovascular and Cerebrovascular Disease. Circ Res 2024; 134:615-617. [PMID: 38484030 DOI: 10.1161/circresaha.124.324462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Affiliation(s)
- Eng H Lo
- Departments of Radiology and Neurology, Massachusetts General Hospital, Charlestown (E.H.L.)
| | - Frank M Faraci
- Department of Internal Medicine and Department of Neuroscience and Pharmacology, Francois M. Abboud Cardiovascular Center, Carver College of Medicine, University of Iowa (F.M.F.)
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24
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Abstract
Hypertension is extremely common, affecting approximately 1 in every 2 adults globally. Chronic hypertension is the leading modifiable risk factor for cardiovascular disease and premature mortality worldwide. Despite considerable efforts to define mechanisms that underlie hypertension, a potentially major component of the disease, the role of circadian biology has been relatively overlooked in both preclinical models and humans. Although the presence of daily and circadian patterns has been observed from the level of the genome to the whole organism, the functional and structural impact of biological rhythms, including mechanisms such as circadian misalignment, remains relatively poorly defined. Here, we review the impact of daily rhythms and circadian systems in regulating blood pressure and the onset, progression, and consequences of hypertension. There is an emphasis on the impact of circadian biology in relation to vascular disease and end-organ effects that, individually or in combination, contribute to complex phenotypes such as cognitive decline and the loss of cardiac and brain health. Despite effective treatment options for some individuals, control of blood pressure remains inadequate in a substantial portion of the hypertensive population. Greater insight into circadian biology may form a foundation for novel and more widely effective molecular therapies or interventions to help in the prevention, treatment, and management of hypertension and its related pathophysiology.
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Affiliation(s)
- Frank M. Faraci
- Department of Internal Medicine, Francois M. Abboud Cardiovascular Center, Carver College of Medicine, University of Iowa, Iowa City, IA 52242-1081
- Department of Neuroscience and Pharmacology, Francois M. Abboud Cardiovascular Center, Carver College of Medicine, University of Iowa, Iowa City, IA 52242-1081
| | - Frank A.J.L. Scheer
- Division of Sleep Medicine, Harvard Medical School, Brigham and Women's Hospital, Boston, Massachusetts, 02115
- Medical Chronobiology Program, Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital, Boston, Massachusetts, 02115
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25
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Abstract
Circadian rhythms exert a profound impact on most aspects of mammalian physiology, including the immune and cardiovascular systems. Leukocytes engage in time-of-day-dependent interactions with the vasculature, facilitating the emigration to and the immune surveillance of tissues. This review provides an overview of circadian control of immune-vascular interactions in both the steady state and cardiovascular diseases such as atherosclerosis and infarction. Circadian rhythms impact both the immune and vascular facets of these interactions, primarily through the regulation of chemoattractant and adhesion molecules on immune and endothelial cells. Misaligned light conditions disrupt this rhythm, generally exacerbating atherosclerosis and infarction. In cardiovascular diseases, distinct circadian clock genes, while functioning as part of an integrated circadian system, can have proinflammatory or anti-inflammatory effects on these immune-vascular interactions. Here, we discuss the mechanisms and relevance of circadian rhythms in vascular immunopathologies.
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Affiliation(s)
- Qun Zeng
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland (Q.Z., V.M.O., C.S.)
| | - Valeria Maria Oliva
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland (Q.Z., V.M.O., C.S.)
| | - María Ángeles Moro
- Centro Nacional de Investigaciones Cardiovasculares Carlos III, Madrid, Spain (M.Á.M.)
| | - Christoph Scheiermann
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland (Q.Z., V.M.O., C.S.)
- Geneva Center for Inflammation Research, Switzerland (C.S.)
- Translational Research Centre in Oncohaematology, Geneva, Switzerland (C.S.)
- Biomedical Center, Institute for Cardiovascular Physiology and Pathophysiology, Walter Brendel Center for Experimental Medicine, Faculty of Medicine, Ludwig-Maximilians-Universität Munich, Germany (C.S.)
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26
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Miike T, Oniki K, Toyoura M, Tonooka S, Tajima S, Kinoshita J, Saruwatari J, Konishi Y. Disruption of Circadian Sleep/Wake Rhythms in Infants May Herald Future Development of Autism Spectrum Disorder. Clocks Sleep 2024; 6:170-182. [PMID: 38534800 DOI: 10.3390/clockssleep6010012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 03/09/2024] [Accepted: 03/12/2024] [Indexed: 03/28/2024] Open
Abstract
We investigated whether the abnormal rhythms in infants are related to the future development of autism spectrum disorder (ASD), using a questionnaire from September to October 2016. The parents of 160 children with ASD (male, n = 123; female, n = 37) were recruited from two hospitals in K and H cities, and as a control group, 145 children (male, n = 75; female, n = 70) were recruited from four nursery schools in T city. The associations between ASD and bedtime and waking time on weekdays and weekends in infancy (<1 years of age), at 1-3 years, and at 3-5 years of ages were studied using a multivariable logistic regression analysis. In particular, at <3 years of age, the following factors were associated with an increased prevalence of ASD in the future: (1) short sleep periods (<8 h); (2) taking a long time to fall asleep (>60 min); (3) sleep beginning after 22:00; (4) a wake-up time after 08:00; and (5) frequent (>3 times) and long-term awakening periods (>60 min). The misalignment and/or shift of the circadian rhythm in infants may be one of the precursors and/or risk factors for the future development of ASD.
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Affiliation(s)
- Teruhisa Miike
- Hyogo Rehabilitation Central Hospital, Children's Sleep and Development Medical Research Center, Kobe 651-2181, Japan
- Department of Child Development, Kumamoto University, Kumamoto 860-8556, Japan
| | - Kentaro Oniki
- Division of Pharmacology and Therapeutics, Graduate School of Pharmaceutical Sciences, Kumamoto University, Kumamoto 862-0973, Japan
| | - Makiko Toyoura
- Hyogo Rehabilitation Central Hospital, Children's Sleep and Development Medical Research Center, Kobe 651-2181, Japan
| | - Shiro Tonooka
- Kagoshima Comprehensive Clinic for Disabled Children, Kagoshima 891-0175, Japan
| | - Seiki Tajima
- Hyogo Rehabilitation Central Hospital, Children's Sleep and Development Medical Research Center, Kobe 651-2181, Japan
| | - Jun Kinoshita
- Japanese Association of Baby Science Learners, Tokushima 770-0052, Japan
| | - Junji Saruwatari
- Division of Pharmacology and Therapeutics, Graduate School of Pharmaceutical Sciences, Kumamoto University, Kumamoto 862-0973, Japan
| | - Yukuo Konishi
- Center for Baby Science, Doshisha University, Kyoto 619-0225, Japan
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27
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Hasler BP, Schulz CT, Pedersen SL. Sleep-Related Predictors of Risk for Alcohol Use and Related Problems in Adolescents and Young Adults. Alcohol Res 2024; 44:02. [PMID: 38500552 PMCID: PMC10948113 DOI: 10.35946/arcr.v44.1.02] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/20/2024] Open
Abstract
PURPOSE Growing evidence supports sleep and circadian rhythms as influencing alcohol use and the course of alcohol use disorder (AUD). Studying sleep/circadian-alcohol associations during adolescence and young adulthood may be valuable for identifying sleep/circadian-related approaches to preventing and/or treating AUD. This paper reviews current evidence for prospective associations between sleep/circadian factors and alcohol involvement during adolescence and young adulthood with an emphasis on the effects of sleep/circadian factors on alcohol use. SEARCH METHODS The authors conducted a literature search in PsycInfo, PubMed, and Web of Science using the search terms "sleep" and "alcohol" paired with "adolescent" or "adolescence" or "young adult" or "emerging adult," focusing on the title/abstract fields, and restricting to English-language articles. Next, the search was narrowed to articles with a prospective/longitudinal or experimental design, a sleep-related measure as a predictor, an alcohol-related measure as an outcome, and confirming a primarily adolescent and/or young adult sample. This step was completed by a joint review of candidate article abstracts by two of the authors. SEARCH RESULTS The initial search resulted in 720 articles. After review of the abstracts, the list was narrowed to 27 articles reporting on observational longitudinal studies and three articles reporting on intervention trials. Noted for potential inclusion were 35 additional articles that reported on studies with alcohol-related predictors and sleep-related outcomes, and/or reported on candidate moderators or mediators of sleep-alcohol associations. Additional articles were identified via review of relevant article reference lists and prior exposure based on the authors' previous work in this area. DISCUSSION AND CONCLUSIONS Overall, the review supports a range of sleep/circadian characteristics during adolescence and young adulthood predicting the development of alcohol use and/or alcohol-related problems. Although sleep treatment studies in adolescents and young adults engaging in regular and/or heavy drinking show that sleep can be improved in those individuals, as well as potentially reducing alcohol craving and alcohol-related consequences, no studies in any age group have yet demonstrated that improving sleep reduces drinking behavior. Notable limitations include relatively few longitudinal studies and only two experimental studies, insufficient consideration of different assessment timescales (e.g., day-to-day vs. years), insufficient consideration of the multidimensional nature of sleep, a paucity of objective measures of sleep and circadian rhythms, and insufficient consideration of how demographic variables may influence sleep/circadian-alcohol associations. Examining such moderators, particularly those related to minoritized identities, as well as further investigation of putative mechanistic pathways linking sleep/circadian characteristics to alcohol outcomes, are important next steps.
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Affiliation(s)
- Brant P Hasler
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Christina T Schulz
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Sarah L Pedersen
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
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28
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Casanova NG, De Armond RL, Sammani S, Sun X, Sun B, Kempf C, Bime C, Garcia JGN, Parthasarathy S. Circadian disruption dysregulates lung gene expression associated with inflammatory lung injury. Front Immunol 2024; 15:1348181. [PMID: 38558813 PMCID: PMC10979643 DOI: 10.3389/fimmu.2024.1348181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Accepted: 01/30/2024] [Indexed: 04/04/2024] Open
Abstract
Rationale Circadian systems drive the expression of multiple genes in nearly all cells and coordinate cellular-, tissue-, and system-level processes that are critical to innate immunity regulation. Objective We examined the effects of circadian rhythm disorganization, produced by light shift exposure, on innate immunity-mediated inflammatory lung responses including vascular permeability and gene expression in a C57BL/6J murine model of inflammatory lung injury. Methods A total of 32 C57BL/6J mice were assigned to circadian phase shifting (CPS) with intratracheal phosphate-buffered saline (PBS), CPS with intratracheal lipopolysaccharide (LPS), control (normal lighting) condition with intratracheal PBS, and control condition with intratracheal LPS. Bronchoalveolar lavage (BAL) protein, cell counts, tissue immunostaining, and differentially expressed genes (DEGs) were measured in lung tissues at 2 and 10 weeks. Measurements and results In mice exposed to both CPS and intratracheal LPS, both BAL protein and cell counts were increased at both 2 and 10 weeks compared to mice exposed to LPS alone. Multiple DEGs were identified in CPS-LPS-exposed lung tissues compared to LPS alone and were involved in transcriptional pathways associated with circadian rhythm disruption, regulation of lung permeability, inflammation with Rap1 signaling, and regulation of actin cytoskeleton. The most dysregulated pathways included myosin light chain kinase, MAP kinase, profilin 2, fibroblast growth factor receptor, integrin b4, and p21-activated kinase. Conclusion Circadian rhythm disruption results in exacerbated immune response and dysregulated expression of cytoskeletal genes involved in the regulation of epithelial and vascular barrier integrity-the mechanistic underpinnings of acute lung injury. Further studies need to explore circadian disorganization as a druggable target.
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Affiliation(s)
- Nancy G. Casanova
- Department of Molecular Medicine, University of Florida Scripps Biomedical Research, Jupiter, FL, United States
| | - Richard L. De Armond
- Department of Medicine, University of Arizona Health Sciences, Tucson, AZ, United States
- University of Arizona Health Science – Center for Sleep and Circadian Sciences, University of Arizona, Tucson, AZ, United States
| | - Saad Sammani
- Department of Medicine, University of Arizona Health Sciences, Tucson, AZ, United States
| | - Xiaoguang Sun
- Department of Medicine, University of Arizona Health Sciences, Tucson, AZ, United States
| | - Belinda Sun
- Department of Pathology, University of Arizona Health Sciences, Tucson, AZ, United States
| | - Carrie Kempf
- Department of Molecular Medicine, University of Florida Scripps Biomedical Research, Jupiter, FL, United States
| | - Christian Bime
- Department of Medicine, University of Arizona Health Sciences, Tucson, AZ, United States
| | - Joe G. N. Garcia
- Department of Molecular Medicine, University of Florida Scripps Biomedical Research, Jupiter, FL, United States
| | - Sairam Parthasarathy
- Department of Medicine, University of Arizona Health Sciences, Tucson, AZ, United States
- University of Arizona Health Science – Center for Sleep and Circadian Sciences, University of Arizona, Tucson, AZ, United States
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29
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Wang K, Ren S, Jia Y, Yan X. An Ultrasensitive Biomimetic Optic Afferent Nervous System with Circadian Learnability. Adv Sci (Weinh) 2024:e2309489. [PMID: 38468430 DOI: 10.1002/advs.202309489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 02/04/2024] [Indexed: 03/13/2024]
Abstract
The optic afferent nervous system (OANS) plays a significant role in generating vision and circadian behaviors based on light detection and signals from the endocrine system. However, the bionic simulation of this photochemically mediated behavior is still a challenge for neuromorphic devices. Herein, stimuli of neurotransmitters at ultralow concentrations and illumination are coupled to artificial synapses with the aid of biofunctionalized heterojunction and tunneling to successfully simulate a circadian neural response. Furthermore, the mechanisms underlying the photosensitive synaptic current in response to stimuli are described. Interestingly, this OANS is demonstrated to be capable of mimicking normal and abnormal circadian learnability by combining the measured synaptic current with a three-layer spike neural network. Strong theoretical and experimental evidence, as well as applications, are provided for the proposed biomimetic OANS to demonstrate that it can reproduce biological circadian behavior, thus establishing it as a promising candidate for future neuromorphic intelligent robots.
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Affiliation(s)
- Kaiyang Wang
- College of Electronic Information and Optical Engineering, Nankai University, Tianjin, 300071, P. R. China
| | - Shuhui Ren
- College of Electronic Information and Optical Engineering, Nankai University, Tianjin, 300071, P. R. China
| | - Yunfang Jia
- College of Electronic Information and Optical Engineering, Nankai University, Tianjin, 300071, P. R. China
| | - Xiaobing Yan
- Key Laboratory of Brain-Like Neuromorphic Devices and Systems of Hebei Province, College of Electron and Information Engineering, Hebei University, Baoding, 071002, P. R. China
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30
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Coskun A, Lippi G. The impact of physiological variations on personalized reference intervals and decision limits: an in-depth analysis. Clin Chem Lab Med 2024; 0:cclm-2024-0009. [PMID: 38452477 DOI: 10.1515/cclm-2024-0009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Accepted: 02/27/2024] [Indexed: 03/09/2024]
Abstract
The interpretation of laboratory data is a comparative procedure. Physicians typically need reference values to compare patients' laboratory data for clinical decisions. Therefore, establishing reliable reference data is essential for accurate diagnosis and patient monitoring. Human metabolism is a dynamic process. Various types of systematic and random fluctuations in the concentration/activity of biomolecules are observed in response to internal and external factors. In the human body, several biomolecules are under the influence of physiological rhythms and are therefore subject to ultradian, circadian and infradian fluctuations. In addition, most biomolecules are also characterized by random biological variations, which are referred to as biological fluctuations between subjects and within subjects/individuals. In routine practice, reference intervals based on population data are used, which by nature are not designed to capture physiological rhythms and random biological variations. To ensure safe and appropriate interpretation of patient laboratory data, reference intervals should be personalized and estimated using individual data in accordance with systematic and random variations. In this opinion paper, we outline (i) the main variations that contribute to the generation of personalized reference intervals (prRIs), (ii) the theoretical background of prRIs and (iii) propose new methods on how to harmonize prRIs with the systematic and random variations observed in metabolic activity, based on individuals' demography.
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Affiliation(s)
- Abdurrahman Coskun
- Department of Medical Biochemistry, School of Medicine, Acibadem Mehmet Ali Aydinlar University, Istanbul, Türkiye
| | - Giuseppe Lippi
- Section of Clinical Biochemistry, 19051 University of Verona , Verona, Italy
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31
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Pivovarova-Ramich O, Malin SK. Editorial: Circadian rhythm in obesity. Front Endocrinol (Lausanne) 2024; 15:1387889. [PMID: 38577573 PMCID: PMC10993243 DOI: 10.3389/fendo.2024.1387889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Accepted: 02/26/2024] [Indexed: 04/06/2024] Open
Affiliation(s)
- Olga Pivovarova-Ramich
- Research Group Molecular Nutritional Medicine and Department of Human Nutrition, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
- Department of Endocrinology and Metabolism, Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Steven K. Malin
- Department of Kinesiology and Health, Rutgers University, New Brunswick, NJ, United States
- Division of Endocrinology, Metabolism and Nutrition, Rutgers University, New Brunswick, NJ, United States
- New Jersey Institute for Food, Nutrition and Health, Rutgers University, New Brunswick, NJ, United States
- Institute of Translational Medicine and Science, Rutgers University, New Brunswick, NJ, United States
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32
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Turc G. Wake-Up Stroke or Non-Wake-Up Unwitnessed Stroke: Does the Distinction Matter for Intravenous Thrombolysis? Stroke 2024. [PMID: 38456274 DOI: 10.1161/strokeaha.124.046113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2024]
Affiliation(s)
- Guillaume Turc
- Department of Neurology, GHU Paris Psychiatrie et Neurosciences, France. Université Paris Cité, France. Inserm U1266, Paris, France. FHU NeuroVasc, Paris, France
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33
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Yan R, Marshall T, Khullar A, Nagle T, Knowles J, Malkin M, Chubbs B, Swainson J. Patient-reported outcomes on sleep quality and circadian rhythm during treatment with intravenous ketamine for treatment-resistant depression. Ther Adv Psychopharmacol 2024; 14:20451253241231264. [PMID: 38440104 PMCID: PMC10910882 DOI: 10.1177/20451253241231264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 01/18/2024] [Indexed: 03/06/2024] Open
Abstract
Background Intravenous (IV) ketamine is a rapid acting antidepressant used primarily for treatment-resistant depression (TRD). It has been suggested that IV ketamine's rapid antidepressant effects may be partially mediated via improved sleep and changes to the circadian rhythm. Objectives This study explores IV ketamine's association with changes in patient-reported sleep quality and circadian rhythm in an adult population with TRD. Methods Adult patients (18-64 years) with TRD scheduled for IV ketamine treatment were recruited to complete patient rated outcomes measures on sleep quality using the Pittsburgh Sleep Quality Index (PSQI) and circadian rhythm using the Morningness-Eveningness Questionnaire (MEQ). Over a 4-week course of eight ketamine infusions, reports were obtained at baseline (T0), prior to second treatment (T1), prior to fifth treatment (T2), and 1 week after eighth treatment (T3). Results Forty participants with TRD (mean age = 42.8, 45% male) were enrolled. Twenty-nine (72.5%) had complete follow-up data. Paired t tests revealed statistically significant improvements at the end of treatment in sleep quality (PSQI) (p = 0.003) and depressive symptoms (Clinically Useful Depression Outcome Scale-Depression, p < 0.001) while circadian rhythm (MEQ) shifted earlier (p = 0.007). The PSQI subscale components of sleep duration (p = 0.008) and daytime dysfunction (p = 0.001) also improved. In an exploratory post hoc analysis, ketamine's impact on sleep quality was more prominent in patients with mixed features, while its chronobiotic effect was prominent in those without mixed features. Conclusion IV ketamine may improve sleep quality and advance circadian rhythm in individuals with TRD. Effects may differ in individuals with mixed features of depression as compared to those without. Since this was a small uncontrolled study, future research is warranted.
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Affiliation(s)
- Raymond Yan
- Department of Psychiatry, University of Alberta, Edmonton, Alberta, Canada
| | | | - Atul Khullar
- Department of Psychiatry, University of Alberta, Edmonton, Alberta, Canada
| | - Travis Nagle
- Department of Psychiatry, University of Alberta, Edmonton, Alberta, Canada
| | - Jake Knowles
- Department of Psychiatry, University of Alberta, Edmonton, Alberta, Canada
| | - Mai Malkin
- Department of Psychiatry, University of Alberta, Edmonton, Alberta, Canada
| | - Brittany Chubbs
- Department of Psychiatry, University of Alberta, Edmonton, Alberta, Canada
| | - Jennifer Swainson
- Cabrini Center, 3rd Floor, 16811-88 Ave NW, Edmonton, AB, Canada T5R 5YR
- Department of Psychiatry, University of Alberta, Canada
- Misericordia Community Hospital, Edmonton, Alberta, Canada
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Wu B, Castagnola E, McClung CA, Cui XT. PEDOT/CNT Flexible MEAs Reveal New Insights into the Clock Gene's Role in Dopamine Dynamics. Adv Sci (Weinh) 2024:e2308212. [PMID: 38430532 DOI: 10.1002/advs.202308212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 01/26/2024] [Indexed: 03/04/2024]
Abstract
Substantial evidence has shown that the Circadian Locomotor Output Cycles Kaput (Clock) gene is a core transcription factor of circadian rhythms that regulates dopamine (DA) synthesis. To shed light on the mechanism of this interaction, flexible multielectrode arrays (MEAs) are developed that can measure both DA concentrations and electrophysiology chronically. The dual functionality is enabled by conducting polymer PEDOT doped with acid-functionalized carbon nanotubes (CNT). The PEDOT/CNT microelectrode coating maintained stable electrochemical impedance and DA detection by square wave voltammetry for 4 weeks in vitro. When implanted in wild-type (WT) and Clock mutation (MU) mice, MEAs measured tonic DA concentration and extracellular neural activity with high spatial and temporal resolution for 4 weeks. A diurnal change of DA concentration in WT is observed, but not in MU, and a higher basal DA concentration and stronger cocaine-induced DA increase in MU. Meanwhile, striatal neuronal firing rate is found to be positively correlated with DA concentration in both animal groups. These findings offer new insights into DA dynamics in the context of circadian rhythm regulation, and the chronically reliable performance and dual measurement capability of this technology hold great potential for a broad range of neuroscience research.
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Affiliation(s)
- Bingchen Wu
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, 15213, USA
- Center for the Neural Basis of Cognition, Pittsburgh, PA, 15213, USA
| | - Elisa Castagnola
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, 15213, USA
- Department of Biomedical Engineering, Louisiana Tech University, Ruston, LA, 71272, USA
| | - Colleen A McClung
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Xinyan Tracy Cui
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, 15213, USA
- Center for the Neural Basis of Cognition, Pittsburgh, PA, 15213, USA
- McGowan Institute for Regenerative Medicine, Pittsburgh, PA, 15219, USA
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Lau SCL, Connor LT, Skidmore ER. Associations of Circadian Rest-Activity Rhythms With Affect and Cognition in Community-Dwelling Stroke Survivors: An Ambulatory Assessment Study. Neurorehabil Neural Repair 2024; 38:197-206. [PMID: 38318642 DOI: 10.1177/15459683241230027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
BACKGROUND Rest-activity rhythm (RAR) is a modifiable behavioral factor associated with affect and cognition. Identifying RAR characteristics associated with affect and cognition among stroke survivors provides insight into preventing poststroke affective and cognitive impairment. OBJECTIVE To examine the associations of RAR characteristics with affect and cognition among community-dwelling stroke survivors. METHODS Forty participants with mild stroke (mean age = 52.8; 42.5% female; 55% White) reported their affect and cognitive complaints using ecological momentary assessment and wore an accelerometer for 7 consecutive days and completed the National Institutes of Health Toolbox Cognition Battery. RAR characteristics were extracted using parametric and non-parametric approaches. Multivariable linear regressions were used to identify RAR characteristics associated with affect and cognition. RESULTS Later onset of rest (B = 0.45; P = .008) and activity (B = 0.36; P = .041) were positively associated with depressed affect. These associations were reversed for cheerful effect (rest onset: B = -0.42; P = .017; activity onset: B = -0.39; P = .033). Cheerful affect was also positively associated with relative amplitude (ie, distinctions in activity levels between rest and activity; B = .39; P = .030). Intra-daily variability (ie, RAR fragmentation; B = 0.35; P = .042) and later onset of activity (B = .36; P = .048) were positively associated with cognitive complaints. Less erratic RAR was positively associated with fluid cognition (B = 0.29; P = .036); RAR fragmentation was positively associated with crystallized cognition (B = 0.39; P = .015). CONCLUSIONS We identified RAR correlates of affect and cognition among stroke survivors, highlighting the value of managing RAR and sleep in stroke rehabilitation. Future studies should test whether advancing the onset of rest and activity, promoting a regular active lifestyle, and improving rest and sleep in the nighttime protect stroke survivors from affective and cognitive impairment.
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Affiliation(s)
- Stephen C L Lau
- Program in Occupational Therapy, Washington University School of Medicine, St. Louis, MO, USA
- Department of Neurology, Washington University School of Medicine, St. Louis, MO, USA
- Department of Occupational Therapy, School of Health and Rehabilitation, University of Pittsburgh, Pittsburgh, PA, USA
| | - Lisa Tabor Connor
- Program in Occupational Therapy, Washington University School of Medicine, St. Louis, MO, USA
- Department of Neurology, Washington University School of Medicine, St. Louis, MO, USA
| | - Elizabeth R Skidmore
- Department of Occupational Therapy, School of Health and Rehabilitation, University of Pittsburgh, Pittsburgh, PA, USA
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Zhu X, Maier G, Panda S. Learning from circadian rhythm to transform cancer prevention, prognosis, and survivorship care. Trends Cancer 2024; 10:196-207. [PMID: 38001006 PMCID: PMC10939944 DOI: 10.1016/j.trecan.2023.11.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 10/30/2023] [Accepted: 11/01/2023] [Indexed: 11/26/2023]
Abstract
Circadian timekeeping mechanisms and cell cycle regulation share thematic biological principles in responding to signals, repairing cellular damage, coordinating metabolism, and allocating cellular resources for optimal function. Recent studies show interactions between cell cycle regulators and circadian clock components, offering insights into potential cancer treatment approaches. Understanding circadian control of metabolism informs timing for therapies to reduce adverse effects and enhance treatment efficacy. Circadian adaptability to lifestyle factors, such as activity, sleep, and nutrition sheds light on their impact on cancer. Leveraging circadian regulatory mechanisms for cancer prevention and care is vital, as most risk stems from modifiable lifestyles. Monitoring circadian factors aids risk assessment and targeted interventions across the cancer care continuum.
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Affiliation(s)
- Xiaoyan Zhu
- The Salk Institute for Biological Studies, La Jolla, CA, USA
| | - Geraldine Maier
- The Salk Institute for Biological Studies, La Jolla, CA, USA
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Zhang G, Ye Z, Jiang Z, Wu C, Ge L, Wang J, Xu X, Wang T, Yang J. Circadian patterns and photoperiodic modulation of clock gene expression and neuroendocrine hormone secretion in the marine teleost Larimichthys crocea. Chronobiol Int 2024; 41:329-346. [PMID: 38516993 DOI: 10.1080/07420528.2024.2315215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 02/01/2024] [Indexed: 03/23/2024]
Abstract
The light/dark cycle, known as the photoperiod, plays a crucial role in influencing various physiological activities in fish, such as growth, feeding and reproduction. However, the underlying mechanisms of this influence are not fully understood. This study focuses on exploring the impact of different light regimes (LD: 12 h of light and 12 h of darkness; LL: 24 h of light and 0 h of darkness; DD: 0 h of light and 24 h of darkness) on the expression of clock genes (LcClocka, LcClockb, LcBmal, LcPer1, LcPer2) and the secretion of hormones (melatonin, GnRH, NPY) in the large yellow croaker, Larimichthys crocea. Real-time quantitative PCR (RT-qPCR) and enzyme-linked immunosorbent assays were utilized to assess how photoperiod variations affect clock gene expression and hormone secretion. The results indicate that changes in photoperiod can disrupt the rhythmic patterns of clock genes, leading to phase shifts and decreased expression. Particularly under LL conditions, the pineal LcClocka, LcBmal and LcPer1 genes lose their rhythmicity, while LcClockb and LcPer2 genes exhibit phase shifts, highlighting the importance of dark phase entrainment for maintaining rhythmicity. Additionally, altered photoperiod affects the neuroendocrine system of L. crocea. In comparison to the LD condition, LL and DD treatments showed a phase delay of GnRH secretion and an acceleration of NPY synthesis. These findings provide valuable insights into the regulatory patterns of circadian rhythms in fish and may contribute to optimizing the light environment in the L. crocea farming industry.
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Affiliation(s)
- Guangbo Zhang
- National Engineering Laboratory of Marine Germplasm Resources Exploration and Utilization, Marine Science College, Zhejiang Ocean University, Zhoushan, Zhejiang, People's Republic of China
| | - Zhiqing Ye
- National Engineering Laboratory of Marine Germplasm Resources Exploration and Utilization, Marine Science College, Zhejiang Ocean University, Zhoushan, Zhejiang, People's Republic of China
| | - Zhijing Jiang
- National Engineering Laboratory of Marine Germplasm Resources Exploration and Utilization, Marine Science College, Zhejiang Ocean University, Zhoushan, Zhejiang, People's Republic of China
| | - Chenqian Wu
- National Engineering Laboratory of Marine Germplasm Resources Exploration and Utilization, Marine Science College, Zhejiang Ocean University, Zhoushan, Zhejiang, People's Republic of China
| | - Lifei Ge
- National Engineering Laboratory of Marine Germplasm Resources Exploration and Utilization, Marine Science College, Zhejiang Ocean University, Zhoushan, Zhejiang, People's Republic of China
| | - Jixiu Wang
- National Engineering Laboratory of Marine Germplasm Resources Exploration and Utilization, Marine Science College, Zhejiang Ocean University, Zhoushan, Zhejiang, People's Republic of China
| | - Xiuwen Xu
- National Engineering Laboratory of Marine Germplasm Resources Exploration and Utilization, Marine Science College, Zhejiang Ocean University, Zhoushan, Zhejiang, People's Republic of China
| | - Tianming Wang
- National Engineering Laboratory of Marine Germplasm Resources Exploration and Utilization, Marine Science College, Zhejiang Ocean University, Zhoushan, Zhejiang, People's Republic of China
| | - Jingwen Yang
- National Engineering Laboratory of Marine Germplasm Resources Exploration and Utilization, Marine Science College, Zhejiang Ocean University, Zhoushan, Zhejiang, People's Republic of China
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Juffre A, Gumz ML. Recent advances in understanding the kidney circadian clock mechanism. Am J Physiol Renal Physiol 2024; 326:F382-F393. [PMID: 38174377 DOI: 10.1152/ajprenal.00214.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 12/14/2023] [Accepted: 12/15/2023] [Indexed: 01/05/2024] Open
Abstract
Circadian rhythms are endogenous biological oscillations that regulate various physiological processes in organisms, including kidney function. The kidney plays a vital role in maintaining homeostasis by regulating water and electrolyte balance, blood pressure, and excretion of metabolic waste products, all of which display circadian rhythmicity. For this reason, studying the circadian regulation of the kidney is important, and the time of day is a biological and experimental variable that must be considered. Over the past decade, considerable progress has been made in understanding the molecular mechanisms underlying circadian regulation within the kidney. In this review, the current knowledge regarding circadian rhythms in the kidney is explored, focusing on the molecular clock machinery, circadian control of renal functions, and the impact of disrupted circadian rhythms on kidney health. In addition, parameters that should be considered and future directions are outlined in this review.
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Affiliation(s)
- Alexandria Juffre
- Department of Physiology and Aging, University of Florida, Gainesville, Florida, United States
- Center for Integrative Cardiovascular and Metabolic Diseases, University of Florida, Gainesville, Florida, United States
| | - Michelle L Gumz
- Department of Physiology and Aging, University of Florida, Gainesville, Florida, United States
- Center for Integrative Cardiovascular and Metabolic Diseases, University of Florida, Gainesville, Florida, United States
- Division of Nephrology, Hypertension, and Renal Transplantation, Department of Medicine, University of Florida, Gainesville, Florida, United States
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Hu Y, Lv Y, Long X, Yang G, Zhou J. Melatonin attenuates chronic sleep deprivation-induced cognitive deficits and HDAC3-Bmal1/clock interruption. CNS Neurosci Ther 2024; 30:e14474. [PMID: 37721401 PMCID: PMC10916425 DOI: 10.1111/cns.14474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/31/2023] [Accepted: 09/05/2023] [Indexed: 09/19/2023] Open
Abstract
BACKGROUND AND AIMS Sleep is predicted as a key modulator of cognition, but the underlying mechanisms are poorly understood. In this study, we investigated the effects of melatonin on chronic rapid eye movement sleep deprivation (CRSD)-induced cognitive impairment and circadian dysfunction in rat models. METHODS Thirty-six Sprague-Dawley male rats were divided into three groups: CRSD with saline treatment, CRSD with chronic melatonin injection (20 mg/kg/day), and non-sleep-deprived control. The cognitive behavioral tests as well as the expression of clocks and HDAC3 were evaluated in all groups. RESULTS CRSD significantly reduced recognition index in novel object location, increased escape latency and distance traveling in Morris water maze while melatonin treatment attenuated CRSD-induced hippocampal-dependent spatial learning and memory deficits. Furthermore, the mRNAs of brain and muscle aryl hydrocarbon receptor nuclear translocator-like 1(Bmal1) and circadian locomotor output cycles kaput (Clock) were globally down-regulated by CRSD with constant intrinsic oscillation in both hippocampus and peripheral blood. The protein levels of hippocampal Bmal1, Clock, and HDAC3 were also remarkably down-regulated following CRSD. Melatonin treatment reversed CRSD-induced alterations of Bmal1/Clock and HDAC3 on both mRNA levels and protein levels. CONCLUSIONS Our data indicate that melatonin treatment attenuates CRSD-induced cognitive impairment via regulating HDAC3-Bmal1/Clock interaction. These findings explore a broader understanding of the relationship between sleep and cognition and provide a potential new therapeutic target for cognitive impairment.
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Affiliation(s)
- Yujie Hu
- Department of Neurology, Xiangya HospitalCentral South UniversityChangshaChina
- Department of NeurologyHaikou Affiliated Hospital of Central South University Xiangya School of MedicineHaikouChina
| | - Yefan Lv
- Department of Neurology, Xiangya HospitalCentral South UniversityChangshaChina
| | - Xiaoyan Long
- Department of Neurology, Xiangya HospitalCentral South UniversityChangshaChina
| | - Guoshuai Yang
- Department of NeurologyHaikou Affiliated Hospital of Central South University Xiangya School of MedicineHaikouChina
| | - Jinxia Zhou
- Department of Neurology, Xiangya HospitalCentral South UniversityChangshaChina
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Malin SK, Syeda USA, Remchak MME, Heiston EM. Early chronotype favors appetite and reduced later day caloric intake among adults with obesity. Chronobiol Int 2024; 41:427-438. [PMID: 38317499 PMCID: PMC11019895 DOI: 10.1080/07420528.2024.2313643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 01/29/2024] [Indexed: 02/07/2024]
Abstract
Late chronotype (LC) is related to obesity and altered food intake throughout the day. But whether appetite perception and gut hormones differ among chronotypes is unclear. Thus, we examined if early chronotype (EC) have different appetite responses in relation to food intake than LC. Adults with obesity were categorized using the Morningness-Eveningness Questionnaire (MEQ) as either EC (n = 21, 18F, MEQ = 63.9 ± 1.0, 53.7 ± 1.2 yr, 36.2 ± 1.1 kg/m2) and LC (n = 28, 24F, MEQ = 47.2 ± 1.5, 55.7 ± 1.4 yr, 37.1 ± 1.0 kg/m2). Visual analog scales were used during a 120 min 75 g oral glucose tolerance test (OGTT) at 30 min intervals to assess appetite perception, as well as glucose, insulin, GLP-1 (glucagon-like polypeptide-1), GIP (glucose-dependent insulinotrophic peptide), PYY (protein tyrosine tyrosine), and acylated ghrelin. Dietary intake (food logs), resting metabolic rate (RMR; indirect calorimetry), aerobic fitness (maximal oxygen consumption (VO2max)), and body composition dual-energy X-ray absorptiometry (DXA) were also assessed. Age, body composition, RMR, and fasting appetite were similar between groups. However, EC had higher satisfaction and fullness as well as reduced desires for sweet, salty, savory, and fatty foods during the OGTT (P <0.05). Only GIP tAUC0-120 min was elevated in EC versus LC (p = 0.01). Daily dietary intake was similar between groups, but EC ate fewer carbohydrates (p = 0.05) and more protein (p = 0.01) at lunch. Further, EC had lower caloric (p = 0.03), protein (p = 0.03) and fat (p = 0.04) intake during afternoon snacking compared to LC. Dietary fat was lower, and carbohydrates was higher, in EC than LC (p = 0.05) at dinner. Low glucose and high insulin as well as GLP-1 tAUC60-120 min related to desires for sweet foods (p < 0.05). Taken together, EC had more favorable appetite and lower caloric intake later in the day compared with LC.
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Affiliation(s)
- Steven K. Malin
- Department of Kinesiology & Health, Rutgers University, New Brunswick, NJ
- Division of Endocrinology, Metabolism & Nutrition; Rutgers University, New Brunswick, NJ
- New Jersey Institute for Food, Nutrition and Health, Rutgers University, New Brunswick, NJ
- Institute of Translational Medicine and Science, Rutgers University, New Brunswick, NJ
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Leino AD, Magee JC, Kershaw DB, Pai MP, Park JM. A Comprehensive Mixed-Method Approach to Characterize the Source of Diurnal Tacrolimus Exposure Variability in Children: Systematic Review, Meta-analysis, and Application to an Existing Data Set. J Clin Pharmacol 2024; 64:334-344. [PMID: 37740566 DOI: 10.1002/jcph.2352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 09/13/2023] [Indexed: 09/24/2023]
Abstract
Tacrolimus is widely reported to display diurnal variation in pharmacokinetic parameters with twice-daily dosing. However, the contribution of chronopharmacokinetics versus food intake is unclear, with even less evidence in the pediatric population. The objectives of this study were to summarize the existing literature by meta-analysis and evaluate the impact of food composition on 24-hour pharmacokinetics in pediatric kidney transplant recipients. For the meta-analysis, 10 studies involving 253 individuals were included. The pooled effect sizes demonstrated significant differences in area under the concentration-time curve from time 0 to 12 hours (standardized mean difference [SMD], 0.27; 95% confidence interval [CI], 0.03-0.52) and maximum concentration (SMD, 0.75; 95% CI, 0.35-1.15) between morning and evening dose administration. However, there was significant between-study heterogeneity that was explained by food exposure. The effect size for minimum concentration was not significantly different overall (SMD, -0.09; 95% CI, -0.27 to 0.09) or across the food exposure subgroups. A 2-compartment model with a lag time, linear clearance, and first-order absorption best characterized the tacrolimus pharmacokinetics in pediatric participants. As expected, adding the time of administration and food composition covariates reduced the unexplained within-subject variability for the first-order absorption rate constant, but only caloric composition significantly reduced variability for lag time. The available data suggest food intake is the major driver of diurnal variation in tacrolimus exposure, but the associated changes are not reflected by trough concentrations alone.
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Affiliation(s)
- Abbie D Leino
- Department of Clinical Pharmacy, College of Pharmacy, University of Michigan, Ann Arbor, MI, USA
| | - John C Magee
- Department of Surgery, Medical School, University of Michigan, Ann Arbor, MI, USA
| | - David B Kershaw
- Department of Pediatrics, C.S. Mott Children's Hospital, Ann Arbor, MI, USA
| | - Manjunath P Pai
- Department of Clinical Pharmacy, College of Pharmacy, University of Michigan, Ann Arbor, MI, USA
| | - Jeong M Park
- Department of Clinical Pharmacy, College of Pharmacy, University of Michigan, Ann Arbor, MI, USA
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Diab R, Choufani A, Dagher J, Chahine N. The Influence of Circadian Rhythm on the Antioxidant Capacity of Saliva in Periodontal Diseases. Cureus 2024; 16:e56174. [PMID: 38618333 PMCID: PMC11015908 DOI: 10.7759/cureus.56174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/13/2024] [Indexed: 04/16/2024] Open
Abstract
Background Saliva has a powerful antioxidant activity proposing that it might have a protective role in the oral cavity. It is yet unclear, how circadian rhythm might affect this activity. Objective The main goal of this study was to compare the antioxidant status of saliva in patients with periodontal diseases (PD) to that of healthy people on a diurnal basis. Material and methods A total of 18 periodontal healthy individuals and 18 patients with chronic periodontitis were chosen. Samples of saliva were collected in the morning between 6:00 and 8:00 and in the evening between 6:00 and 8:00 (both stimulated and non-stimulated). The amount of glutathione (GSH), malondialdehyde (MDA), and total antioxidant status (TAS) in the salivary samples were analyzed, and its flow was also assessed. In addition, the scavenging capacity of saliva was tested in three systems generating oxygen free radicals. Results Results showed that GSH and TAS concentrations in the evening saliva of healthy subjects were significantly higher than those in the morning saliva, while MDA levels decreased (p<0.05). Conversely, there was no significant increase in GSH and TAS levels in the evening saliva of subjects with PD, and lipid peroxidation remained constant. On the other hand, the evening saliva of healthy subjects but not of subjects with PD was significantly more potent in scavenging free radicals in vitro than the morning saliva, especially for the superoxide (O2.-) radical (p<0.05). Moreover, scavenging activity was higher in stimulated than non-stimulated saliva. This activity was higher in evening saliva compared to the morning one and greater in healthy subjects compared to patients with PD (p<0.05). Conclusion A balance exists between oxidative stress and antioxidant mechanisms to maintain homeostasis in the oral cavity. This balance is deregulated in patients with PD as their saliva is unable to properly scavenge free radicals that might potentially increase over the day. Antioxidant supplements may be used in accordance with the circadian rhythm to minimize oxidative damage.
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Affiliation(s)
- Randa Diab
- Faculty of Dentistry, Lebanese University, Beirut, LBN
| | | | - Jihad Dagher
- Faculty of Dentistry, Lebanese University, Beirut, LBN
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Landvreugd A, Pool R, Nivard MG, Bartels M. Using Polygenic Scores for Circadian Rhythms to Predict Wellbeing, Depressive Symptoms, Chronotype, and Health. J Biol Rhythms 2024:7487304241230577. [PMID: 38425306 DOI: 10.1177/07487304241230577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
Abstract
The association between circadian rhythms and diseases has been well established, while the association with mental health is less explored. Given the heritable nature of circadian rhythms, this study aimed to investigate the relationship between genes underlying circadian rhythms and mental health outcomes, as well as a possible gene-environment correlation for circadian rhythms. Polygenic scores (PGSs) represent the genetic predisposition to develop a certain trait or disease. In a sample from the Netherlands Twin Register (N = 14,021), PGSs were calculated for two circadian rhythm measures: morningness and relative amplitude (RA). The PGSs were used to predict mental health outcomes such as subjective happiness, quality of life, and depressive symptoms. In addition, we performed the same prediction analysis in a within-family design in a subset of dizygotic twins. The PGS for morningness significantly predicted morningness (R2 = 1.55%) and depressive symptoms (R2 = 0.22%). The PGS for RA significantly predicted general health (R2 = 0.12%) and depressive symptoms (R2 = 0.20%). Item analysis of the depressive symptoms showed that 4 out of 14 items were significantly associated with the PGSs. Overall, the results showed that people with a genetic predisposition of being a morning person or with a high RA are likely to have fewer depressive symptoms. The four associated depressive symptoms described symptoms related to decision-making, energy, and feeling worthless or inferior, rather than sleep. Based on our findings future research should include a substantial role for circadian rhythms in depression research and should further explore the gene-environment correlation in circadian rhythms.
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Affiliation(s)
- Anne Landvreugd
- Department of Biological Psychology, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands and
- Amsterdam Public Health Research Institute, Amsterdam University Medical Centres, Amsterdam, The Netherlands
| | - René Pool
- Department of Biological Psychology, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands and
| | - Michel G Nivard
- Department of Biological Psychology, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands and
- Amsterdam Public Health Research Institute, Amsterdam University Medical Centres, Amsterdam, The Netherlands
| | - Meike Bartels
- Department of Biological Psychology, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands and
- Amsterdam Public Health Research Institute, Amsterdam University Medical Centres, Amsterdam, The Netherlands
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Stevens H, Verdone G, Lang L, Graham C, Pilic L, Mavrommatis Y. A systematic review of variations in circadian rhythm genes and type 2 diabetes. Nutr Health 2024; 30:61-75. [PMID: 37282546 DOI: 10.1177/02601060231179777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
BACKGROUND Type 2 diabetes is a chronic disease that has severe individual and societal consequences, which is forecast to worsen in the future. A new field of investigation is variations in circadian rhythm genes, in conjunction with diet and sleep variables, associations with, and effects on, type 2 diabetes development. OBJECTIVE This systematic review aimed to analyse all current literature regarding circadian rhythm gene variations and type 2 diabetes, and explore their interplay with diet and sleep variables on type 2 diabetes outcomes. This review was registered with PROSPERO (CRD42021259682). METHODOLOGY Embase and Pubmed were searched on 6/8/2021/11/8/2021 for studies of all designs, including participants from both sexes, all ethnicities, ages, and geographic locations. Participants with risk alleles/genotypes were compared with the wildtype regarding type 2 diabetes outcomes. Studies risk of bias were scored according to the risk of bias in non-randomised studies - interventions/exposures criteria. RESULTS In total, 31 studies were found (association n = 29/intervention n = 2) including >600,000 participants from various ethnicities, sexes, and ages. Variations in the melatonin receptor 1B, brain and muscle arnt-like 1 and period circadian regulator (PER) genes were consistently associated with type 2 diabetes outcomes. CONCLUSIONS Individuals with variations in melatonin receptor 1B, brain and muscle arnt-like 1 and PER may be at higher risk of type 2 diabetes. Further research is needed regarding other circadian rhythm genes. More longitudinal studies and randomised trials are required before clinical recommendations can be made.
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Affiliation(s)
- Harry Stevens
- St Mary's University, Twickenham, London, UK
- Cereneo Foundation, Vitznau, Switzerland
| | | | - Leonie Lang
- St Mary's University, Twickenham, London, UK
| | - Catherine Graham
- Cereneo Foundation, Vitznau, Switzerland
- Oxford Brookes University, Oxford, UK
| | - Leta Pilic
- St Mary's University, Twickenham, London, UK
- Optimyse Nutrition LTD, London, UK
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Jia X, Song Y, Li Z, Yang N, Liu T, Han D, Sun Z, Shi C, Zhou Y, Shi J, Liu Y, Guo X. Melatonin regulates the circadian rhythm to ameliorate postoperative sleep disorder and neurobehavioral abnormalities in aged mice. CNS Neurosci Ther 2024; 30:e14436. [PMID: 37736695 PMCID: PMC10916446 DOI: 10.1111/cns.14436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Revised: 06/07/2023] [Accepted: 08/16/2023] [Indexed: 09/23/2023] Open
Abstract
BACKGROUND Postoperative sleep disorder (PSD) and delirium, which may be associated with surgery and inhalational anesthetics, induce adverse effects in old adults. Emerging evidence indicates that circadian rhythm contributes to various neuropathological diseases, including Alzheimer's disease. Thus, we analyzed the potential role of circadian rhythm in PSD and delirium-like behavior in aged mice and determined whether exogenous melatonin could facilitate entrainment of the circadian rhythm after laparotomy under sevoflurane anesthesia. METHODS We selected old C57BL/6J mice which receiving laparotomy/sevoflurane anesthesia as model animals. We employed buried food, open field, and Y maze test to assess delirium-like behavior, and electroencephalography/electromyography (EEG/EMG) were used to investigate sleep changes. We analyzed the transcription rhythm of clock genes in superchiasmatic nucleus (SCN) to explore the effects of surgery and melatonin pretreatment on the circadian rhythm. Then, we measured melatonin receptor levels in SCN and ERK/CREB pathway-related proteins in hippocampus and prefrontal cortex to assess their role in PSDs and delirium-like behavior. RESULTS Laparotomy under sevoflurane anesthesia had a greater influence than sevoflurane alone, leading to sleep disorder, a shift in sleep-wake rhythm, and delirium-like behavior. Bmal1, Clock, and Cry1 mRNA expression showed a peak shift, MT1 melatonin receptor expression level was increased in the SCN, and p-ERK/ERK and p-CREB/CREB were decreased in hippocampus and prefrontal cortex of aged mice 1 day after laparotomy. Melatonin showed significant efficacy in ameliorating PSD and delirium-like behavior and restoring the circadian rhythm, reversing melatonin receptor and ERK/CREB pathway expression abnormalities. In addition, most of the beneficial effect of melatonin was antagonized by luzindole, a melatonin receptor antagonist. CONCLUSIONS Melatonin receptors in SCN, circadian rhythm, and ERK/CREB signaling pathway participate in the pathophysiological processes of PSD and delirium-like behavior. Melatonin intervention could be a potential preventative approach for PSD and delirium.
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Affiliation(s)
- Xixi Jia
- Department of AnesthesiologyPeking University Third HospitalBeijingChina
| | - Yanan Song
- Department of AnesthesiologyPeking University Third HospitalBeijingChina
| | - Zhengqian Li
- Department of AnesthesiologyPeking University Third HospitalBeijingChina
| | - Ning Yang
- Department of AnesthesiologyPeking University Third HospitalBeijingChina
| | - Taotao Liu
- Department of AnesthesiologyPeking University Third HospitalBeijingChina
| | - Dengyang Han
- Department of AnesthesiologyPeking University Third HospitalBeijingChina
| | - Zhuonan Sun
- Department of AnesthesiologyPeking University Third HospitalBeijingChina
| | - Chengmei Shi
- Department of AnesthesiologyPeking University Third HospitalBeijingChina
| | - Yang Zhou
- Department of AnesthesiologyPeking University Third HospitalBeijingChina
| | - Jie Shi
- National Institute on Drug Dependence and Beijing Key Laboratory of Drug DependencePeking UniversityBeijingChina
| | - Yajie Liu
- Department of AnesthesiologyPeking University Third HospitalBeijingChina
| | - Xiangyang Guo
- Department of AnesthesiologyPeking University Third HospitalBeijingChina
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Wang K, Ruiz-González A, Räisänen SE, Ouellet V, Boucher A, Rico DE, Niu M. Dietary supplementation of vitamin D 3 and calcium partially recover the compromised time budget and circadian rhythm of lying behavior in lactating cows under heat stress. J Dairy Sci 2024; 107:1707-1718. [PMID: 37863290 DOI: 10.3168/jds.2023-23589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 09/28/2023] [Indexed: 10/22/2023]
Abstract
Heat stress (HS) impedes cattle behavior and performance and is an animal comfort and welfare issue. The objective of this study was to characterize the time budget and circadian rhythm of lying behavior in dairy cows during HS and to assess the effect of dietary supplementation of vitamin D3 and Ca. Twelve multiparous Holstein cows (42.2 ± 5.6 kg milk/d; 83 ± 27 d in milk) housed in tiestalls were used in a split-plot design with the concentration of dietary vitamin E and Se as main plots (LESe: 11.1 IU/kg and 0.55 mg/kg, and HESe: 223 IU/kg and 1.8 mg/kg, respectively). Within each plot cows were randomly assigned to (1) HS with low concentrations of vitamin D3 and Ca (HS, 1,012 IU/kg and 0.73%, respectively), (2) HS with high concentrations of vitamin D3 and Ca (HS+D3/Ca; 3,764 IU/kg and 0.97%, respectively), or (3) thermoneutral pair-fed (TNPF) with low concentrations of vitamin D3 and Ca (1,012 IU/kg and 0.73%, respectively) in a Latin square design with 14-d periods and 7-d washouts. Lying behavior was measured with HOBO Loggers in 15-min intervals. Overall, cows in HS spent less time lying per day relative to TNPF from d 7 to 14. Daily lying time was positively correlated with milk yield, energy-corrected milk yield, and feed efficiency, and was negatively correlated with rectal temperature, respiratory rate, fecal calprotectin, tumor necrosis factor-α, and C-reactive protein. A treatment by time interaction was observed for lying behavior: the time spent lying was lesser for cows in HS than in TNPF in the early morning (0000-0600 h) and in the night (1800-2400 h). The circadian rhythm of lying behavior was characterized by fitting a cosine function of time into linear mixed model. Daily rhythmicity of lying was detected for cows in TNPF and HS+D3/Ca, whereas only a tendency in HS cows was observed. Cows in TNPF had the highest mesor (the average level of diurnal fluctuations; 34.2 min/h) and amplitude (the distance between the peak and mesor; 17.9 min/h). Both the mesor and amplitude were higher in HS+D3/Ca relative to HS (26.6 vs. 25.2 min/h and 3.91 min/h vs. 2.18 min/h, respectively). The acrophase (time of the peak) of lying time in TNPF, HS, and HS+D3/Ca were 0028, 0152, and 0054 h, respectively. Lastly, a continuous increase in daily lying time in TNPF was observed during the first 4 d of the experimental period in which DMI was gradually restricted, suggesting that intake restrictions may shift feeding behavior and introduce biases in the behavior of animals. In conclusion, lying behavior was compromised in dairy cows under HS, characterizing reduced daily lying time and disrupted circadian rhythms, and the compromised lying behavior can be partially restored by supplementation of vitamin D3 and Ca. Further research may be required for a more suitable model to study behavior of cows under HS.
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Affiliation(s)
- K Wang
- Department of Environmental Systems Science, Institute of Agricultural Sciences, ETH Zürich, Zürich 8092, Switzerland
| | - A Ruiz-González
- Centre de Recherche en Sciences Animales de Deschambault (CRSAD), Deschambault, QC, G0A 1S0, Canada; Département des Sciences Animales, Université Laval, Québec, QC, G1V 0A6, Canada
| | - S E Räisänen
- Department of Environmental Systems Science, Institute of Agricultural Sciences, ETH Zürich, Zürich 8092, Switzerland
| | - V Ouellet
- Département des Sciences Animales, Université Laval, Québec, QC, G1V 0A6, Canada
| | - A Boucher
- Département des Sciences Animales, Université Laval, Québec, QC, G1V 0A6, Canada
| | - D E Rico
- Centre de Recherche en Sciences Animales de Deschambault (CRSAD), Deschambault, QC, G0A 1S0, Canada.
| | - M Niu
- Department of Environmental Systems Science, Institute of Agricultural Sciences, ETH Zürich, Zürich 8092, Switzerland.
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Stafa K, Rella A, Eagle W, Dong K, Morris K, Layman D, Corallo K, Trivero J, Maidhof R, Goyarts E, Pernodet N. miR-146a is a critical target associated with multiple biological pathways of skin aging. Front Physiol 2024; 15:1291344. [PMID: 38487265 PMCID: PMC10937357 DOI: 10.3389/fphys.2024.1291344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Accepted: 01/19/2024] [Indexed: 03/17/2024] Open
Abstract
Introduction: The skin is the largest organ of the human body and fulfills protective, immune, and metabolic functions. Skin function and barrier integrity are actively regulated through circadian rhythm-associated genes and epigenetic mechanisms including DNA methylation/demethylation, histone acetylation/deacetylation, and microRNAs. MicroRNA-146a-5p (miR-146a) has been associated with immune activation and skin inflammation; however, the role of miR-146a in regulating skin aging is an open question. This study investigated the role of miR-146a in fibroblasts obtained from different donors in the context of aging, and a potential association of this miRNA with circadian rhythm. Methods: Normal human dermal fibroblasts (NHDFs) from 19y, 27y, 40y, and 62y old donors were used to analyze for miR-146a expression. Expression of miR-146a was downregulated with the hsa-mirVana miR-146a inhibitor, and upregulated with an extract from Adansonia digitata. Effects on markers of skin aging, including cell proliferation, production of Collagen-1 and inflammatory cytokines were assessed. Results: We show that the expression of miR-146a decreases with age in dermal fibroblasts and inhibition of miR-146a in 19y and 62y old NHDFs induced significant changes in essential clock genes indicating an association with circadian rhythm control. Furthermore, downregulation of miR-146a results in a reduction of cellular proliferation, Collagen-1 production, as well as an increase in DNA damage and pro-inflammatory markers. Activation of miR-146a with the Adansonia digitata extract reduced the deleterious effects seen during miR-146a inhibition and increased miR-146a transport through exosome transfer. Conclusion: miR-146a interacts with multiple biological pathways related to skin aging, including circadian rhythm machinery, cell-to-cell communication, cell damage repair, cell proliferation, and collagen production and represents a promising target to fight skin aging. Adansonia digitata extract can promote miR-146a expression and therefore support skin cells' health.
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Affiliation(s)
- Klodjan Stafa
- Research and Development, The Estée Lauder Companies, Melville, NY, United States
| | - Antonella Rella
- Research and Development, The Estée Lauder Companies, Melville, NY, United States
| | - Whitby Eagle
- Research and Development, The Estée Lauder Companies, Melville, NY, United States
| | - Kelly Dong
- Research and Development, The Estée Lauder Companies, Melville, NY, United States
| | - Kelsey Morris
- Research and Development, The Estée Lauder Companies, Melville, NY, United States
| | - Dawn Layman
- Research and Development, The Estée Lauder Companies, Melville, NY, United States
| | - Krystle Corallo
- Research and Development, The Estée Lauder Companies, Melville, NY, United States
| | - Jacqueline Trivero
- Research and Development, The Estée Lauder Companies, Melville, NY, United States
| | - Robert Maidhof
- Research and Development, The Estée Lauder Companies, Melville, NY, United States
| | - Earl Goyarts
- Research and Development, The Estée Lauder Companies, Melville, NY, United States
| | - Nadine Pernodet
- Research and Development, The Estée Lauder Companies, Melville, NY, United States
- Estée Lauder Research Laboratories, Melville, NY, United States
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Oster H, Colwell CS. Editorial: Recent advances in sleep and circadian rhythms: the hypothalamus and its relationship with appetite. Front Neurosci 2024; 18:1385619. [PMID: 38486970 PMCID: PMC10937535 DOI: 10.3389/fnins.2024.1385619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Accepted: 02/19/2024] [Indexed: 03/17/2024] Open
Affiliation(s)
- Henrik Oster
- Center of Brain, Behavior and Metabolism, Institute of Neurobiology, University of Lübeck, Lübeck, Germany
| | - Christopher S. Colwell
- UCLA Laboratory of Sleep and Circadian Medicine, Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, Los Angeles, CA, United States
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Aguiar SO, Ortiz FR, Hoffmam GDFEB, Souza GLN, Prado IM, Abreu LG, Auad SM, Serra-Negra JM. Probable sleep and awake bruxism in adolescents: A path analysis. Int J Paediatr Dent 2024. [PMID: 38424469 DOI: 10.1111/ipd.13166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 11/05/2023] [Accepted: 11/25/2023] [Indexed: 03/02/2024]
Abstract
BACKGROUND Bruxism has a multifactorial etiology, including the influence of sleep characteristics and chronotypes. AIM To identify the pathways that influence the occurrence of probable sleep bruxism (PSB) and probable awake bruxism (PAB) in adolescents. DESIGN A total of 403 adolescents, aged 12-19 years, participated in the study. Parents/caregivers filled out a questionnaire about sociodemographic issues and the adolescent's health conditions, and the adolescents about sleep characteristics, occurrence of bruxism (based on previous study and the International Consensus of Bruxism), and chronotype (Circadian Energy Scale). Clinical examinations were performed. Statistical analysis included descriptive analysis and path analysis. RESULTS PSB and PAB are related to each other, with moderate and positive correlation (β = .390). Poor sleep quality and higher household income had a direct effect on both PSB (β = -.138; β = .123, respectively) and PAB (β = -.155; β = .116, respectively). Chronotype had a direct effect on PSB, in such a way that adolescents with a morningness chronotype tend to have PSB (β = -.102). Adolescents that drool on the pillow (β = .184) and/or have agitated sleep (β = .104) tend to have PSB. CONCLUSION Poor sleep quality, household income, morningness chronotype profile, drooling on the pillow, and agitated sleep influence the paths taken by PSB. PAB was influenced by the quality of sleep and family income.
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Affiliation(s)
- Sara Oliveira Aguiar
- Department of Paediatric Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | | | | | | | - Ivana Meyer Prado
- Department of Paediatric Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Lucas Guimarães Abreu
- Department of Paediatric Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Sheyla Márcia Auad
- Department of Paediatric Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Junia Maria Serra-Negra
- Department of Paediatric Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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Yang Y, Ye Y, Deng Y, Gao L. Uridine and its role in metabolic diseases, tumors, and neurodegenerative diseases. Front Physiol 2024; 15:1360891. [PMID: 38487261 PMCID: PMC10937367 DOI: 10.3389/fphys.2024.1360891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 02/19/2024] [Indexed: 03/17/2024] Open
Abstract
Uridine is a pyrimidine nucleoside found in plasma and cerebrospinal fluid with a concentration higher than the other nucleosides. As a simple metabolite, uridine plays a pivotal role in various biological processes. In addition to nucleic acid synthesis, uridine is critical to glycogen synthesis through the formation of uridine diphosphate glucose in which promotes the production of UDP-GlcNAc in the hexosamine biosynthetic pathway and supplies UDP-GlcNAc for O-GlcNAcylation. This process can regulate protein modification and affect its function. Moreover, Uridine has an effect on body temperature and circadian rhythms, which can regulate the metabolic rate and the expression of metabolic genes. Abnormal levels of blood uridine have been found in people with diabetes and obesity, suggesting a link of uridine dysregulation and metabolic disorders. At present, the role of uridine in glucose metabolism and lipid metabolism is controversial, and the mechanism is not clear, but it shows the trend of long-term damage and short-term benefit. Therefore, maintaining uridine homeostasis is essential for maintaining basic functions and normal metabolism. This article summarizes the latest findings about the metabolic effects of uridine and the potential of uridine metabolism as therapeutic target in treatment of metabolic disorders.
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Affiliation(s)
- Yueyuan Yang
- Department of Endocrinology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yahong Ye
- Department of Internal Medicine, QuanZhou Women’s and Children’s Hospital, QuanZhou, China
| | - Yingfeng Deng
- Department of Diabetes and Cancer Metabolism, City of Hope, Duarte, CA, United States
| | - Ling Gao
- Department of Endocrinology, Renmin Hospital of Wuhan University, Wuhan, China
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