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Summa KC, Jiang P, González-Rodríguez P, Huang X, Lin X, Vitaterna MH, Dan Y, Surmeier DJ, Turek FW. Disrupted sleep-wake regulation in the MCI-Park mouse model of Parkinson's disease. NPJ Parkinsons Dis 2024; 10:54. [PMID: 38467673 PMCID: PMC10928107 DOI: 10.1038/s41531-024-00670-w] [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: 09/07/2023] [Accepted: 02/26/2024] [Indexed: 03/13/2024] Open
Abstract
Disrupted sleep has a profound adverse impact on lives of Parkinson's disease (PD) patients and their caregivers. Sleep disturbances are exceedingly common in PD, with substantial heterogeneity in type, timing, and severity. Among the most common sleep-related symptoms reported by PD patients are insomnia, excessive daytime sleepiness, and sleep fragmentation, characterized by interruptions and decreased continuity of sleep. Alterations in brain wave activity, as measured on the electroencephalogram (EEG), also occur in PD, with changes in the pattern and relative contributions of different frequency bands of the EEG spectrum to overall EEG activity in different vigilance states consistently observed. The mechanisms underlying these PD-associated sleep-wake abnormalities are poorly understood, and they are ineffectively treated by conventional PD therapies. To help fill this gap in knowledge, a new progressive model of PD - the MCI-Park mouse - was studied. Near the transition to the parkinsonian state, these mice exhibited significantly altered sleep-wake regulation, including increased wakefulness, decreased non-rapid eye movement (NREM) sleep, increased sleep fragmentation, reduced rapid eye movement (REM) sleep, and altered EEG activity patterns. These sleep-wake abnormalities resemble those identified in PD patients. Thus, this model may help elucidate the circuit mechanisms underlying sleep disruption in PD and identify targets for novel therapeutic approaches.
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Affiliation(s)
- K C Summa
- Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA.
- Center for Sleep & Circadian Biology, Northwestern University, Evanston, IL, USA.
| | - P Jiang
- Center for Sleep & Circadian Biology, Northwestern University, Evanston, IL, USA
- Department of Neurobiology, Weinberg College of Arts and Sciences, Northwestern University, Evanston, IL, USA
- Neuroscience Discovery, Informatics and Predictive Sciences, Bristol Myers Squibb, Cambridge, MA, USA
| | - P González-Rodríguez
- Department of Neuroscience, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
- Instituto de Biomedicina de Sevilla, Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla and CIBERNED, Seville, Spain
| | - X Huang
- Department of Molecular & Cell Biology, University of California Berkeley, Berkeley, CA, USA
| | - X Lin
- Center for Sleep & Circadian Biology, Northwestern University, Evanston, IL, USA
- Department of Neurobiology, Weinberg College of Arts and Sciences, Northwestern University, Evanston, IL, USA
| | - M H Vitaterna
- Center for Sleep & Circadian Biology, Northwestern University, Evanston, IL, USA
- Department of Neurobiology, Weinberg College of Arts and Sciences, Northwestern University, Evanston, IL, USA
| | - Y Dan
- Department of Molecular & Cell Biology, University of California Berkeley, Berkeley, CA, USA
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
| | - D J Surmeier
- Department of Neuroscience, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
| | - F W Turek
- Center for Sleep & Circadian Biology, Northwestern University, Evanston, IL, USA
- Department of Neurobiology, Weinberg College of Arts and Sciences, Northwestern University, Evanston, IL, USA
- The Ken & Ruth Davee Department of Neurology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
- Department of Psychiatry & Behavioral Sciences, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
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Sletten TL, Weaver MD, Foster RG, Gozal D, Klerman EB, Rajaratnam SMW, Roenneberg T, Takahashi JS, Turek FW, Vitiello MV, Young MW, Czeisler CA. The importance of sleep regularity: a consensus statement of the National Sleep Foundation sleep timing and variability panel. Sleep Health 2023; 9:801-820. [PMID: 37684151 DOI: 10.1016/j.sleh.2023.07.016] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [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: 02/15/2023] [Revised: 07/21/2023] [Accepted: 07/25/2023] [Indexed: 09/10/2023]
Abstract
OBJECTIVE To develop and present consensus findings of the National Sleep Foundation sleep timing and variability panel regarding the impact of sleep timing variability on health and performance. METHODS The National Sleep Foundation assembled a panel of sleep and circadian experts to evaluate the scientific evidence and conduct a formal consensus and voting procedure. A systematic literature review was conducted using the NIH National Library of Medicine PubMed database, and panelists voted on the appropriateness of 3 questions using a modified Delphi RAND/UCLA Appropriateness Method with 2 rounds of voting. RESULTS The literature search and panel review identified 63 full text publications to inform consensus voting. Panelists achieved consensus on each question: (1) is daily regularity in sleep timing important for (a) health or (b) performance? and (2) when sleep is of insufficient duration during the week (or work days), is catch-up sleep on weekends (or non-work days) important for health? Based on the evidence currently available, panelists agreed to an affirmative response to all 3 questions. CONCLUSIONS Consistency of sleep onset and offset timing is important for health, safety, and performance. Nonetheless, when insufficient sleep is obtained during the week/work days, weekend/non-work day catch-up sleep may be beneficial.
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Affiliation(s)
- Tracey L Sletten
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton, Victoria, Australia
| | - Matthew D Weaver
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital, Boston, Massachusetts, USA; Division of Sleep Medicine, Harvard Medical School, Boston, Massachusetts, USA
| | - Russell G Foster
- Sleep & Circadian Neuroscience Institute, Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, UK
| | - David Gozal
- Joan C. Edwards School of Medicine, Marshall University, Huntington, West Virginia, USA
| | - Elizabeth B Klerman
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital, Boston, Massachusetts, USA; Division of Sleep Medicine, Harvard Medical School, Boston, Massachusetts, USA; Department of Neurology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Shantha M W Rajaratnam
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton, Victoria, Australia; Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital, Boston, Massachusetts, USA; Division of Sleep Medicine, Harvard Medical School, Boston, Massachusetts, USA
| | - Till Roenneberg
- Institutes for Occupational, Social, and Environmental Medicine and Medical Psychology, LMU Munich, Munich, Germany
| | - Joseph S Takahashi
- Department of Neuroscience, The University of Texas Southwestern Medical Center, Dallas, Texas, USA; Howard Hughes Medical Institute, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Fred W Turek
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, Illinois, USA
| | - Michael V Vitiello
- Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, Washington, USA
| | - Michael W Young
- Laboratory of Genetics, The Rockefeller University, New York City, New York, USA
| | - Charles A Czeisler
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital, Boston, Massachusetts, USA; Division of Sleep Medicine, Harvard Medical School, Boston, Massachusetts, USA.
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Block GD, Davis FC, Johnson CH, Pittendrigh CS, Schwartz WJ, Turek FW, Van Gelder RN. Pittendrigh Remembered. J Biol Rhythms 2023:7487304221148590. [PMID: 36748648 DOI: 10.1177/07487304221148590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Gene D Block
- University of California, Los Angeles, Los Angeles, California
| | - Fred C Davis
- Department of Biology, Northeastern University, Boston, Massachusetts
| | - Carl Hirschie Johnson
- Departments of Biological Sciences and Molecular Physiology & Biophysics, Vanderbilt University, Nashville, Tennessee
| | | | - William J Schwartz
- Departments of Neurology and Integrative Biology, The University of Texas at Austin, Austin, Texas
| | - Fred W Turek
- Departments of Neurobiology and Neurology, Northwestern University, Evanston, Illinois
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Bowers SJ, Summa KC, Thompson RS, González A, Vargas F, Olker C, Jiang P, Lowry CA, Dorrestein PC, Knight R, Wright KP, Fleshner M, Turek FW, Vitaterna MH. A Prebiotic Diet Alters the Fecal Microbiome and Improves Sleep in Response to Sleep Disruption in Rats. Front Neurosci 2022; 16:889211. [PMID: 35685770 PMCID: PMC9172596 DOI: 10.3389/fnins.2022.889211] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 04/28/2022] [Indexed: 12/16/2022] Open
Abstract
Sleep disruption is a challenging and exceedingly common physiological state that contributes to a wide range of biochemical and molecular perturbations and has been linked to numerous adverse health outcomes. Modern society exerts significant pressure on the sleep/wake cycle via myriad factors, including exposure to electric light, psychological stressors, technological interconnection, jet travel, shift work, and widespread use of sleep-affecting compounds. Interestingly, recent research has identified a link between the microbiome and the regulation of sleep, suggesting that interventions targeting the microbiome may offer unique therapeutic approaches to challenges posed by sleep disruption. In this study, we test the hypothesis that administration of a prebiotic diet containing galactooligosaccharides (GOS) and polydextrose (PDX) in adult male rats improves sleep in response to repeated sleep disruption and during recovery sleep. We found that animals fed the GOS/PDX prebiotic diet for 4 weeks exhibit increased non-rapid eye movement (NREM) and rapid eye movement (REM) sleep during 5 days of sleep disruption and increased total sleep time during 24 h of recovery from sleep disruption compared to animals fed a control diet, despite similar baseline sleep characteristics. Further, the GOS/PDX prebiotic diet led to significant changes in the fecal microbiome. Consistent with previous reports, the prebiotic diet increased the relative abundance of the species Parabacteroides distasonis, which positively correlated with sleep parameters during recovery sleep. Taken together, these findings suggest that the GOS/PDX prebiotic diet may offer an approach to improve resilience to the physiologic challenge of sleep disruption, in part through impacts on the microbiome.
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Affiliation(s)
- Samuel J. Bowers
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL, United States
- Department of Neurobiology, Northwestern University Weinberg College of Arts and Sciences, Evanston, IL, United States
| | - Keith C. Summa
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL, United States
- Division of Gastroenterology & Hepatology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Robert S. Thompson
- Department of Integrative Physiology, University of Colorado, Boulder, Boulder, CO, United States
- Center for Neuroscience, University of Colorado, Boulder, Boulder, CO, United States
| | - Antonio González
- Department of Pediatrics, University of California, San Diego School of Medicine, La Jolla, CA, United States
| | - Fernando Vargas
- Collaborative Mass Spectrometry Innovation Center, Skaggs School of Pharmacy & Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA, United States
| | - Christopher Olker
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL, United States
- Department of Neurobiology, Northwestern University Weinberg College of Arts and Sciences, Evanston, IL, United States
| | - Peng Jiang
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL, United States
- Department of Neurobiology, Northwestern University Weinberg College of Arts and Sciences, Evanston, IL, United States
| | - Christopher A. Lowry
- Department of Integrative Physiology, University of Colorado, Boulder, Boulder, CO, United States
- Center for Neuroscience, University of Colorado, Boulder, Boulder, CO, United States
| | - Pieter C. Dorrestein
- Collaborative Mass Spectrometry Innovation Center, Skaggs School of Pharmacy & Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA, United States
- Center for Microbiome Innovation, University of California, San Diego, La Jolla, CA, United States
| | - Rob Knight
- Department of Pediatrics, University of California, San Diego School of Medicine, La Jolla, CA, United States
- Center for Microbiome Innovation, University of California, San Diego, La Jolla, CA, United States
- Department of Computer Science and Engineering, University of California, San Diego, La Jolla, CA, United States
- Department of Bioengineering, University of California, San Diego, La Jolla, CA, United States
| | - Kenneth P. Wright
- Department of Integrative Physiology, University of Colorado, Boulder, Boulder, CO, United States
- Center for Neuroscience, University of Colorado, Boulder, Boulder, CO, United States
- Sleep and Chronobiology Laboratory, University of Colorado, Boulder, Boulder, CO, United States
| | - Monika Fleshner
- Department of Integrative Physiology, University of Colorado, Boulder, Boulder, CO, United States
- Center for Neuroscience, University of Colorado, Boulder, Boulder, CO, United States
| | - Fred W. Turek
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL, United States
- Department of Neurobiology, Northwestern University Weinberg College of Arts and Sciences, Evanston, IL, United States
- The Ken & Ruth Davee Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
- Department of Psychiatry and Behavioral Sciences, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Martha H. Vitaterna
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL, United States
- Department of Neurobiology, Northwestern University Weinberg College of Arts and Sciences, Evanston, IL, United States
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5
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Thompson RS, Gaffney M, Hopkins S, Kelley T, Gonzalez A, Bowers SJ, Vitaterna MH, Turek FW, Foxx CL, Lowry CA, Vargas F, Dorrestein PC, Wright KP, Knight R, Fleshner M. Ruminiclostridium 5, Parabacteroides distasonis, and bile acid profile are modulated by prebiotic diet and associate with facilitated sleep/clock realignment after chronic disruption of rhythms. Brain Behav Immun 2021; 97:150-166. [PMID: 34242738 DOI: 10.1016/j.bbi.2021.07.006] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 06/28/2021] [Accepted: 07/04/2021] [Indexed: 12/12/2022] Open
Abstract
Chronic disruption of rhythms (CDR) impacts sleep and can result in circadian misalignment of physiological systems which, in turn, is associated with increased disease risk. Exposure to repeated or severe stressors also disturbs sleep and diurnal rhythms. Prebiotic nutrients produce favorable changes in gut microbial ecology, the gut metabolome, and reduce several negative impacts of acute severe stressor exposure, including disturbed sleep, core body temperature rhythmicity, and gut microbial dysbiosis. In light of previous compelling evidence that prebiotic diet broadly reduces negative impacts of acute, severe stressors, we hypothesize that prebiotic diet will also effectively mitigate the negative impacts of chronic disruption of circadian rhythms on physiology and sleep/wake behavior. Male, Sprague Dawley rats were fed diets enriched in prebiotic substrates or calorically matched control chow. After 5 weeks on diet, rats were exposed to CDR (12 h light/dark reversal, weekly for 8 weeks) or remained on undisturbed normal light/dark cycles (NLD). Sleep EEG, core body temperature, and locomotor activity were recorded via biotelemetry in freely moving rats. Fecal samples were collected on experimental days -33, 0 (day of onset of CDR), and 42. Taxonomic identification and relative abundances of gut microbes were measured in fecal samples using 16S rRNA gene sequencing and shotgun metagenomics. Fecal primary, bacterially modified secondary, and conjugated bile acids were measured using liquid chromatography with tandem mass spectrometry (LC-MS/MS). Prebiotic diet produced rapid and stable increases in the relative abundances of Parabacteroides distasonis and Ruminiclostridium 5. Shotgun metagenomics analyses confirmed reliable increases in relative abundances of Parabacteroides distasonis and Clostridium leptum, a member of the Ruminiclostridium genus. Prebiotic diet also modified fecal bile acid profiles; and based on correlational and step-wise regression analyses, Parabacteroides distasonis and Ruminiclostridium 5 were positively associated with each other and negatively associated with secondary and conjugated bile acids. Prebiotic diet, but not CDR, impacted beta diversity. Measures of alpha diversity evenness were decreased by CDR and prebiotic diet prevented that effect. Rats exposed to CDR while eating prebiotic, compared to control diet, more quickly realigned NREM sleep and core body temperature (ClockLab) diurnal rhythms to the altered light/dark cycle. Finally, both cholic acid and Ruminiclostridium 5 prior to CDR were associated with time to realign CBT rhythms to the new light/dark cycle after CDR; whereas both Ruminiclostridium 5 and taurocholic acid prior to CDR were associated with NREM sleep recovery after CDR. These results support our hypothesis and suggest that ingestion of prebiotic substrates is an effective strategy to increase the relative abundance of health promoting microbes, alter the fecal bile acid profile, and facilitate the recovery and realignment of sleep and diurnal rhythms after circadian disruption.
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Affiliation(s)
- Robert S Thompson
- Department of Integrative Physiology, University of Colorado at Boulder, Boulder, CO, USA; Center for Neuroscience, University of Colorado at Boulder, Boulder, CO, USA.
| | - Michelle Gaffney
- Department of Integrative Physiology, University of Colorado at Boulder, Boulder, CO, USA; Center for Neuroscience, University of Colorado at Boulder, Boulder, CO, USA
| | - Shelby Hopkins
- Department of Integrative Physiology, University of Colorado at Boulder, Boulder, CO, USA
| | - Tel Kelley
- Department of Integrative Physiology, University of Colorado at Boulder, Boulder, CO, USA
| | - Antonio Gonzalez
- Department of Pediatrics, University of California San Diego, La Jolla, CA, USA
| | - Samuel J Bowers
- Department of Neurobiology, Northwestern University, Center for Sleep and Circadian Biology, Evanston, IL, USA
| | - Martha Hotz Vitaterna
- Department of Neurobiology, Northwestern University, Center for Sleep and Circadian Biology, Evanston, IL, USA
| | - Fred W Turek
- Department of Neurobiology, Northwestern University, Center for Sleep and Circadian Biology, Evanston, IL, USA
| | - Christine L Foxx
- Department of Integrative Physiology, University of Colorado at Boulder, Boulder, CO, USA
| | - Christopher A Lowry
- Department of Integrative Physiology, University of Colorado at Boulder, Boulder, CO, USA; Center for Neuroscience, University of Colorado at Boulder, Boulder, CO, USA
| | - Fernando Vargas
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, CA, USA
| | - Pieter C Dorrestein
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, CA, USA
| | - Kenneth P Wright
- Department of Integrative Physiology, University of Colorado at Boulder, Boulder, CO, USA; Center for Neuroscience, University of Colorado at Boulder, Boulder, CO, USA
| | - Rob Knight
- Department of Pediatrics, University of California San Diego, La Jolla, CA, USA; Department of Computer Science and Engineering, University of California San Diego, La Jolla, CA, USA; Center for Microbiome Innovation, University of California San Diego, La Jolla, CA, USA
| | - Monika Fleshner
- Department of Integrative Physiology, University of Colorado at Boulder, Boulder, CO, USA; Center for Neuroscience, University of Colorado at Boulder, Boulder, CO, USA.
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Zhou L, Fitzpatrick K, Olker C, Vitaterna MH, Turek FW. Casein kinase 1 epsilon and circadian misalignment impact affective behaviours in mice. Eur J Neurosci 2021; 55:2939-2954. [PMID: 34514665 DOI: 10.1111/ejn.15456] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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: 06/30/2020] [Accepted: 09/02/2021] [Indexed: 01/24/2023]
Abstract
Affective behaviours and mental health are profoundly affected by disturbances in circadian rhythms. Casein kinase 1 epsilon (CSNK1E) is a core component of the circadian clock. Mice with tau or null mutation of this gene have shortened and lengthened circadian period respectively. Here, we examined anxiety-like, fear, and despair behaviours in both male and female mice of these two different mutants. Compared with wild-type mice, we found reductions in fear and anxiety-like behaviours in both mutant lines and in both sexes, with the tau mutants exhibiting the greatest phenotypic changes. However, the behavioural despair had distinct phenotypic patterns, with markedly less behavioural despair in female null mutants, but not in tau mutants of either sex. To determine whether abnormal light entrainment of tau mutants to 24-h light-dark cycles contributes to these phenotypic differences, we also examined these behaviours in tau mutants on a 20-h light-dark cycle close to their endogenous circadian period. The normalized entrainment restored more wild-type-like behaviours for fear and anxiety, but it induced behavioural despair in tau mutant females. These data show that both mutations of Csnk1e broadly affect fear and anxiety-like behaviours, while the effects on behavioural despair vary with genetics, photoperiod, and sex, suggesting that the mechanisms by which Csnk1e affects fear and anxiety-like behaviours may be similar, but distinct from those affecting behavioural despair. Our study also provides experimental evidence in support of the hypothesis of beneficial outcomes from properly entrained circadian rhythms in terms of the anxiety-like and fear behaviours.
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Affiliation(s)
- Lili Zhou
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, Illinois, USA
| | - Karrie Fitzpatrick
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, Illinois, USA
| | - Christopher Olker
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, Illinois, USA
| | - Martha H Vitaterna
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, Illinois, USA
| | - Fred W Turek
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, Illinois, USA
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Bowers SJ, Lambert S, He S, Lowry CA, Fleshner M, Wright KP, Turek FW, Vitaterna MH. Immunization with a heat-killed bacterium, Mycobacterium vaccae NCTC 11659, prevents the development of cortical hyperarousal and a PTSD-like sleep phenotype after sleep disruption and acute stress in mice. Sleep 2021; 44:6025170. [PMID: 33283862 DOI: 10.1093/sleep/zsaa271] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [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: 05/21/2020] [Revised: 11/20/2020] [Indexed: 12/27/2022] Open
Abstract
STUDY OBJECTIVES Sleep deprivation induces systemic inflammation that may contribute to stress vulnerability and other pathologies. We tested the hypothesis that immunization with heat-killed Mycobacterium vaccae NCTC 11659 (MV), an environmental bacterium with immunoregulatory and anti-inflammatory properties, prevents the negative impacts of 5 days of sleep disruption on stress-induced changes in sleep, behavior, and physiology in mice. METHODS In a 2 × 2 × 2 experimental design, male C57BL/6N mice were given injections of either MV or vehicle on days -17, -10, and -3. On days 1-5, mice were exposed to intermittent sleep disruption, whereby sleep was disrupted for 20 h per day. Immediately following sleep disruption, mice were exposed to 1-h social defeat stress or novel cage (control) conditions. Object location memory (OLM) testing was conducted 24 h after social defeat, and tissues were collected 6 days later to measure inflammatory markers. Sleep was recorded using electroencephalography (EEG) and electromyography (EMG) throughout the experiment. RESULTS In vehicle-treated mice, only the combination of sleep disruption followed by social defeat (double hit): (1) increased brief arousals and NREM beta (15-30 Hz) EEG power in sleep immediately post-social defeat compared to baseline; (2) induced an increase in the proportion of rapid-eye-movement (REM) sleep and number of state shifts for at least 5 days post-social defeat; and (3) induced hyperlocomotion and lack of habituation in the OLM task. Immunization with MV prevented most of these sleep and behavioral changes. CONCLUSIONS Immunization with MV ameliorates a stress-induced sleep and behavioral phenotype that shares features with human posttraumatic stress disorder.
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Affiliation(s)
- Samuel J Bowers
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL.,Department of Neurobiology, Northwestern University, Evanston, IL
| | - Sophie Lambert
- Department of Neurobiology, Northwestern University, Evanston, IL
| | - Shannon He
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL.,Department of Neurobiology, Northwestern University, Evanston, IL
| | - Christopher A Lowry
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO.,Center for Neuroscience, University of Colorado Boulder, Boulder, CO
| | - Monika Fleshner
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO.,Center for Neuroscience, University of Colorado Boulder, Boulder, CO
| | - Kenneth P Wright
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO.,Center for Neuroscience, University of Colorado Boulder, Boulder, CO.,Sleep and Chronobiology Laboratory, University of Colorado Boulder, Boulder, CO
| | - Fred W Turek
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL.,Department of Neurobiology, Northwestern University, Evanston, IL.,The Ken & Ruth Davee Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL.,Department of Psychiatry and Behavioral Sciences, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - Martha H Vitaterna
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL.,Department of Neurobiology, Northwestern University, Evanston, IL
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Weaver MD, Sletten TL, Foster RG, Gozal D, Klerman EB, Rajaratnam SMW, Roenneberg T, Takahashi JS, Turek FW, Vitiello MV, Young MW, Czeisler CA. Adverse impact of polyphasic sleep patterns in humans: Report of the National Sleep Foundation sleep timing and variability consensus panel. Sleep Health 2021; 7:293-302. [PMID: 33795195 DOI: 10.1016/j.sleh.2021.02.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [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: 10/07/2020] [Revised: 02/25/2021] [Accepted: 02/26/2021] [Indexed: 01/02/2023]
Abstract
Polyphasic sleep is the practice of distributing multiple short sleep episodes across the 24-hour day rather than having one major and possibly a minor ("nap") sleep episode each day. While the prevalence of polyphasic sleep is unknown, anecdotal reports suggest attempts to follow this practice are common, particularly among young adults. Polyphasic-sleep advocates claim to thrive on as little as 2 hours of total sleep per day. However, significant concerns have been raised that polyphasic sleep schedules can result in health and safety consequences. We reviewed the literature to identify the impact of polyphasic sleep schedules (excluding nap or siesta schedules) on health, safety, and performance outcomes. Of 40,672 potentially relevant publications, with 2,023 selected for full-text review, 22 relevant papers were retained. We found no evidence supporting benefits from following polyphasic sleep schedules. Based on the current evidence, the consensus opinion is that polyphasic sleep schedules, and the sleep deficiency inherent in those schedules, are associated with a variety of adverse physical health, mental health, and performance outcomes. Striving to adopt a schedule that significantly reduces the amount of sleep per 24 hours and/or fragments sleep into multiple episodes throughout the 24-hour day is not recommended.
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Affiliation(s)
- Matthew D Weaver
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital, Boston, Massachusetts, USA; Division of Sleep Medicine, Harvard Medical School, Boston, Massachusetts, USA
| | - Tracey L Sletten
- Turner Institute for Brain and Mental Health and School of Psychological Sciences, Monash University, Clayton, Australia
| | - Russell G Foster
- Sleep & Circadian Neuroscience Institute, Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, United Kingdom
| | - David Gozal
- Department of Child Health, University of Missouri, Columbia, Missouri, USA
| | - Elizabeth B Klerman
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital, Boston, Massachusetts, USA; Division of Sleep Medicine, Harvard Medical School, Boston, Massachusetts, USA; Department of Neurology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Shantha M W Rajaratnam
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital, Boston, Massachusetts, USA; Division of Sleep Medicine, Harvard Medical School, Boston, Massachusetts, USA; Turner Institute for Brain and Mental Health and School of Psychological Sciences, Monash University, Clayton, Australia
| | - Till Roenneberg
- Institute for Medical Psychology, Ludwig Maximilian University of Munich, Munich, Germany
| | - Joseph S Takahashi
- Department of Neuroscience, The University of Texas Southwestern Medical Center, Dallas, Texas, USA; Howard Hughes Medical Institute, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Fred W Turek
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, Illinois, USA
| | - Michael V Vitiello
- Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, Washington, USA
| | - Michael W Young
- Laboratory of Genetics, The Rockefeller University, New York, New York, USA
| | - Charles A Czeisler
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital, Boston, Massachusetts, USA; Division of Sleep Medicine, Harvard Medical School, Boston, Massachusetts, USA.
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10
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Scarpa JR, Jiang P, Gao VD, Vitaterna MH, Turek FW, Kasarskis A. NREM delta power and AD-relevant tauopathy are associated with shared cortical gene networks. Sci Rep 2021; 11:7797. [PMID: 33833255 PMCID: PMC8032807 DOI: 10.1038/s41598-021-86255-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Accepted: 07/27/2020] [Indexed: 02/01/2023] Open
Abstract
Reduced NREM sleep in humans is associated with AD neuropathology. Recent work has demonstrated a reduction in NREM sleep in preclinical AD, pointing to its potential utility as an early marker of dementia. We test the hypothesis that reduced NREM delta power and increased tauopathy are associated with shared underlying cortical molecular networks in preclinical AD. We integrate multi-omics data from two extensive public resources, a human Alzheimer's disease cohort from the Mount Sinai Brain Bank (N = 125) reflecting AD progression and a (C57BL/6J × 129S1/SvImJ) F2 mouse population in which NREM delta power was measured (N = 98). Two cortical gene networks, including a CLOCK-dependent circadian network, are associated with NREM delta power and AD tauopathy progression. These networks were validated in independent mouse and human cohorts. Identifying gene networks related to preclinical AD elucidate possible mechanisms associated with the early disease phase and potential targets to alter the disease course.
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Affiliation(s)
- Joseph R Scarpa
- Department of Anesthesiology, Weill Cornell Medicine, New York, NY, 10065, USA
| | - Peng Jiang
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, IL, 60208, USA
| | - Vance D Gao
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, IL, 60208, USA
| | - Martha H Vitaterna
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, IL, 60208, USA
| | - Fred W Turek
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, IL, 60208, USA
| | - Andrew Kasarskis
- Icahn Institute for Genomics and Multiscale Biology, Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.
- Department of Population Health Science and Policy, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.
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11
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Foxx CL, Heinze JD, González A, Vargas F, Baratta MV, Elsayed AI, Stewart JR, Loupy KM, Arnold MR, Flux MC, Sago SA, Siebler PH, Milton LN, Lieb MW, Hassell JE, Smith DG, Lee KAK, Appiah SA, Schaefer EJ, Panitchpakdi M, Sikora NC, Weldon KC, Stamper CE, Schmidt D, Duggan DA, Mengesha YM, Ogbaselassie M, Nguyen KT, Gates CA, Schnabel K, Tran L, Jones JD, Vitaterna MH, Turek FW, Fleshner M, Dorrestein PC, Knight R, Wright KP, Lowry CA. Effects of Immunization With the Soil-Derived Bacterium Mycobacterium vaccae on Stress Coping Behaviors and Cognitive Performance in a "Two Hit" Stressor Model. Front Physiol 2021; 11:524833. [PMID: 33469429 PMCID: PMC7813891 DOI: 10.3389/fphys.2020.524833] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Accepted: 11/17/2020] [Indexed: 12/14/2022] Open
Abstract
Previous studies demonstrate that Mycobacterium vaccae NCTC 11659 (M. vaccae), a soil-derived bacterium with anti-inflammatory and immunoregulatory properties, is a potentially useful countermeasure against negative outcomes to stressors. Here we used male C57BL/6NCrl mice to determine if repeated immunization with M. vaccae is an effective countermeasure in a "two hit" stress exposure model of chronic disruption of rhythms (CDR) followed by acute social defeat (SD). On day -28, mice received implants of biotelemetric recording devices to monitor 24-h rhythms of locomotor activity. Mice were subsequently treated with a heat-killed preparation of M. vaccae (0.1 mg, administered subcutaneously on days -21, -14, -7, and 27) or borate-buffered saline vehicle. Mice were then exposed to 8 consecutive weeks of either stable normal 12:12 h light:dark (LD) conditions or CDR, consisting of 12-h reversals of the LD cycle every 7 days (days 0-56). Finally, mice were exposed to either a 10-min SD or a home cage control condition on day 54. All mice were exposed to object location memory testing 24 h following SD. The gut microbiome and metabolome were assessed in fecal samples collected on days -1, 48, and 62 using 16S rRNA gene sequence and LC-MS/MS spectral data, respectively; the plasma metabolome was additionally measured on day 64. Among mice exposed to normal LD conditions, immunization with M. vaccae induced a shift toward a more proactive behavioral coping response to SD as measured by increases in scouting and avoiding an approaching male CD-1 aggressor, and decreases in submissive upright defensive postures. In the object location memory test, exposure to SD increased cognitive function in CDR mice previously immunized with M. vaccae. Immunization with M. vaccae stabilized the gut microbiome, attenuating CDR-induced reductions in alpha diversity and decreasing within-group measures of beta diversity. Immunization with M. vaccae also increased the relative abundance of 1-heptadecanoyl-sn-glycero-3-phosphocholine, a lysophospholipid, in plasma. Together, these data support the hypothesis that immunization with M. vaccae stabilizes the gut microbiome, induces a shift toward a more proactive response to stress exposure, and promotes stress resilience.
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Affiliation(s)
- Christine L. Foxx
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
- Center for Microbial Exploration, University of Colorado Boulder, Boulder, CO, United States
| | - Jared D. Heinze
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
- Center for Microbial Exploration, University of Colorado Boulder, Boulder, CO, United States
| | - Antonio González
- Department of Pediatrics, School of Medicine, University of California, San Diego, La Jolla, CA, United States
| | - Fernando Vargas
- Center for Microbiome Innovation, University of California, San Diego, La Jolla, CA, United States
- Collaborative Mass Spectrometry Innovation Center, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA, United States
| | - Michael V. Baratta
- Department of Psychology and Neuroscience, University of Colorado Boulder, Boulder, CO, United States
- Center for Neuroscience, University of Colorado Boulder, Boulder, CO, United States
| | - Ahmed I. Elsayed
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
- Center for Microbial Exploration, University of Colorado Boulder, Boulder, CO, United States
| | - Jessica R. Stewart
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
- Department of Psychology and Neuroscience, University of Colorado Boulder, Boulder, CO, United States
| | - Kelsey M. Loupy
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
- Center for Microbial Exploration, University of Colorado Boulder, Boulder, CO, United States
| | - Mathew R. Arnold
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
- Center for Neuroscience, University of Colorado Boulder, Boulder, CO, United States
| | - M. C. Flux
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
- Department of Psychology and Neuroscience, University of Colorado Boulder, Boulder, CO, United States
| | - Saydie A. Sago
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
- Center for Microbial Exploration, University of Colorado Boulder, Boulder, CO, United States
| | - Philip H. Siebler
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
| | - Lauren N. Milton
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
| | - Margaret W. Lieb
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
| | - James E. Hassell
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
- Center for Neuroscience, University of Colorado Boulder, Boulder, CO, United States
| | - David G. Smith
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
| | - Kyo A. K. Lee
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
- Department of Psychology and Neuroscience, University of Colorado Boulder, Boulder, CO, United States
| | - Sandra A. Appiah
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
- Center for Microbial Exploration, University of Colorado Boulder, Boulder, CO, United States
| | - Evan J. Schaefer
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
- Center for Microbial Exploration, University of Colorado Boulder, Boulder, CO, United States
| | - Morgan Panitchpakdi
- Center for Microbiome Innovation, University of California, San Diego, La Jolla, CA, United States
- Collaborative Mass Spectrometry Innovation Center, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA, United States
| | - Nicole C. Sikora
- Center for Microbiome Innovation, University of California, San Diego, La Jolla, CA, United States
- Collaborative Mass Spectrometry Innovation Center, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA, United States
| | - Kelly C. Weldon
- Center for Microbiome Innovation, University of California, San Diego, La Jolla, CA, United States
- Collaborative Mass Spectrometry Innovation Center, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA, United States
| | - Christopher E. Stamper
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
| | - Dominic Schmidt
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
| | - David A. Duggan
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
| | - Yosan M. Mengesha
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
| | - Mikale Ogbaselassie
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
| | - Kadi T. Nguyen
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
| | - Chloe A. Gates
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
| | - K’loni Schnabel
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
| | - Linh Tran
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
| | - Joslynn D. Jones
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
| | - Martha H. Vitaterna
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, IL, United States
| | - Fred W. Turek
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, IL, United States
| | - Monika Fleshner
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
- Center for Neuroscience, University of Colorado Boulder, Boulder, CO, United States
| | - Pieter C. Dorrestein
- Department of Pediatrics, School of Medicine, University of California, San Diego, La Jolla, CA, United States
- Center for Microbiome Innovation, University of California, San Diego, La Jolla, CA, United States
- Collaborative Mass Spectrometry Innovation Center, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA, United States
| | - Rob Knight
- Department of Pediatrics, School of Medicine, University of California, San Diego, La Jolla, CA, United States
- Center for Microbiome Innovation, University of California, San Diego, La Jolla, CA, United States
- Department of Computer Science and Engineering, Jacobs School of Engineering, University of California, San Diego, La Jolla, CA, United States
- Department of Bioengineering, Jacobs School of Engineering, University of California, San Diego, La Jolla, CA, United States
| | - Kenneth P. Wright
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
- Center for Neuroscience, University of Colorado Boulder, Boulder, CO, United States
| | - Christopher A. Lowry
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
- Center for Microbial Exploration, University of Colorado Boulder, Boulder, CO, United States
- Center for Neuroscience, University of Colorado Boulder, Boulder, CO, United States
- Veterans Health Administration, Rocky Mountain Mental Illness Research Education and Clinical Center, Rocky Mountain Regional Veterans Affairs Medical Center, Aurora, CO, United States
- Military and Veteran Microbiome: Consortium for Research and Education, Aurora, CO, United States
- Department of Physical Medicine and Rehabilitation and Center for Neuroscience, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
- inVIVO Planetary Health, Worldwide Universities Network, West New York, NJ, United States
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12
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Gao VD, Morley‐Fletcher S, Maccari S, Vitaterna MH, Turek FW. Resource competition shapes biological rhythms and promotes temporal niche differentiation in a community simulation. Ecol Evol 2020; 10:11322-11334. [PMID: 33144967 PMCID: PMC7593148 DOI: 10.1002/ece3.6770] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 08/02/2020] [Accepted: 08/06/2020] [Indexed: 11/16/2022] Open
Abstract
Competition for resources often contributes strongly to defining an organism's ecological niche. Endogenous biological rhythms are important adaptations to the temporal dimension of niches, but how other organisms influence such temporal niches has not been much studied, and the role of competition in particular has been even less examined. We investigated how interspecific competition and intraspecific competition for resources shape an organism's activity rhythms.To do this, we simulated communities of one or two species in an agent-based model. Individuals in the simulation move according to a circadian activity rhythm and compete for limited resources. Probability of reproduction is proportional to an individual's success in obtaining resources. Offspring may have variance in rhythm parameters, which allow for the population to evolve over time.We demonstrate that when organisms are arrhythmic, one species will always be competitively excluded from the environment, but the existence of activity rhythms allows niche differentiation and indefinite coexistence of the two species. Two species which are initially active at the same phase will differentiate their phase angle of entrainment over time to avoid each other. When only one species is present in an environment, competition within the species strongly selects for niche expansion through arrhythmicity, but the addition of an interspecific competitor facilitates evolution of increased rhythmic amplitude when combined with additional adaptations for temporal specialization. Finally, if individuals preferentially mate with others who are active at similar times of day, then disruptive selection by intraspecific competition can split one population into two reproductively isolated groups separated in activity time.These simulations suggest that biological rhythms are an effective method to temporally differentiate ecological niches and that competition is an important ecological pressure promoting the evolution of rhythms and sleep. This is the first study to use ecological modeling to examine biological rhythms.
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Affiliation(s)
- Vance Difan Gao
- UMR 8576 Unité de Glycobiologie Structurale et FonctionnelleCNRSUniversity of LilleLilleFrance
- Center for Sleep and Circadian BiologyNorthwestern UniversityEvanstonILUSA
| | - Sara Morley‐Fletcher
- UMR 8576 Unité de Glycobiologie Structurale et FonctionnelleCNRSUniversity of LilleLilleFrance
- International Associated Laboratory (LIA) “Perinatal Stress and Neurodegenerative Diseases”University of LilleLilleFrance
| | - Stefania Maccari
- UMR 8576 Unité de Glycobiologie Structurale et FonctionnelleCNRSUniversity of LilleLilleFrance
- International Associated Laboratory (LIA) “Perinatal Stress and Neurodegenerative Diseases”University of LilleLilleFrance
- Department of Medico‐Surgical Sciences and BiotechnologiesUniversity Sapienza of RomeRomeItaly
| | | | - Fred W. Turek
- Center for Sleep and Circadian BiologyNorthwestern UniversityEvanstonILUSA
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13
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Burgdorf JS, Vitaterna MH, Olker CJ, Song EJ, Christian EP, Sørensen L, Turek FW, Madsen TM, Khan MA, Kroes RA, Moskal JR. NMDAR activation regulates the daily rhythms of sleep and mood. Sleep 2020; 42:5542780. [PMID: 31504971 PMCID: PMC6783887 DOI: 10.1093/sleep/zsz135] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Revised: 04/29/2019] [Indexed: 12/28/2022] Open
Abstract
Study Objectives The present studies examine the effects of NMDAR activation by NYX-2925 diurnal rhythmicity of both sleep and wake as well as emotion. Methods Twenty-four-hour sleep EEG recordings were obtained in sleep-deprived and non-sleep-deprived rats. In addition, the day–night cycle of both activity and mood was measured using home cage ultrasonic-vocalization recordings. Results NYX-2925 significantly facilitated non-REM (NREM) sleep during the lights-on (sleep) period, and this effect persisted for 3 days following a single dose in sleep-deprived rats. Sleep-bout duration and REM latencies were increased without affecting total REM sleep, suggesting better sleep quality. In addition, delta power during wake was decreased, suggesting less drowsiness. NYX-2925 also rescued learning and memory deficits induced by sleep deprivation, measured using an NMDAR-dependent learning task. Additionally, NYX-2925 increased positive affect and decreased negative affect, primarily by facilitating the transitions from sleep to rough-and-tumble play and back to sleep. In contrast to NYX-2925, the NMDAR antagonist ketamine acutely (1–4 hours post-dosing) suppressed REM and non-REM sleep, increased delta power during wake, and blunted the amplitude of the sleep-wake activity rhythm. Discussion These data suggest that NYX-2925 could enhance behavioral plasticity via improved sleep quality as well as vigilance during wake. As such, the facilitation of sleep by NYX-2925 has the potential to both reduce symptom burden on neurological and psychiatric disorders as well as serve as a biomarker for drug effects through restoration of sleep architecture.
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Affiliation(s)
- Jeffrey S Burgdorf
- Aptinyx Inc., Evanston, IL.,Falk Center for Molecular Therapeutics, Department of Biomedical Engineering, Northwestern University, Evanston, IL
| | | | | | - Eun Joo Song
- Department of Neurobiology, Northwestern University, Evanston, IL
| | | | | | - Fred W Turek
- Department of Neurobiology, Northwestern University, Evanston, IL
| | | | | | - Roger A Kroes
- Aptinyx Inc., Evanston, IL.,Falk Center for Molecular Therapeutics, Department of Biomedical Engineering, Northwestern University, Evanston, IL
| | - Joseph R Moskal
- Aptinyx Inc., Evanston, IL.,Falk Center for Molecular Therapeutics, Department of Biomedical Engineering, Northwestern University, Evanston, IL
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14
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Sprecher KE, Ritchie HK, Burke TM, Depner CM, Smits AN, Dorrestein PC, Fleshner M, Knight R, Lowry CA, Turek FW, Vitaterna MH, Wright KP. Trait-like vulnerability of higher-order cognition and ability to maintain wakefulness during combined sleep restriction and circadian misalignment. Sleep 2020; 42:5487466. [PMID: 31070769 DOI: 10.1093/sleep/zsz113] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [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: 11/08/2018] [Revised: 03/01/2019] [Indexed: 12/12/2022] Open
Abstract
STUDY OBJECTIVES Determine stability of individual differences in executive function, cognitive processing speed, selective visual attention, and maintenance of wakefulness during simulated sustained operations with combined sleep restriction and circadian misalignment. METHODS Twenty healthy adults (eight female), aged 25.7 (±4.2 SD), body mass index (BMI) 22.3 (±2.1) kg/m2 completed an 18-day protocol twice. Participants maintained habitual self-selected 8-hour sleep schedules for 2 weeks at home prior to a 4-day laboratory visit that included one sleep opportunity per day: 8 hours on night 1, 3 hours on night 2, and 3 hours on mornings 3 and 4. After 3 days of unscheduled sleep at home, participants repeated the entire protocol. Stability and task dependency of individual differences in performance were quantified by intra-class correlation coefficients (ICC) and Kendall's Tau, respectively. RESULTS Performance on Stroop, Visual Search, and the Maintenance of Wakefulness Test were highly consistent within individuals during combined sleep restriction and circadian misalignment. Individual differences were trait-like as indicated by ICCs (0.54-0.96) classified according to standard criteria as moderate to almost perfect. Individual differences on other performance tasks commonly reported in sleep studies showed fair to almost perfect ICCs (0.22-0.94). Kendall's rank correlations showed that individual vulnerability to sleep restriction and circadian misalignment varied by task and by metric within a task. CONCLUSIONS Consistent vulnerability of higher-order cognition and maintenance of wakefulness to combined sleep restriction and circadian misalignment has implications for the development of precision countermeasure strategies for workers performing safety-critical tasks, e.g. military, police, health care workers and emergency responders.
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Affiliation(s)
- Kate E Sprecher
- Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado-Boulder, Boulder, CO
| | - Hannah K Ritchie
- Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado-Boulder, Boulder, CO
| | - Tina M Burke
- Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado-Boulder, Boulder, CO.,Biology Branch, Walter Reed Army Institute of Research, Silver Spring, MD
| | - Christopher M Depner
- Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado-Boulder, Boulder, CO
| | - Alexandra N Smits
- Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado-Boulder, Boulder, CO
| | - Pieter C Dorrestein
- Skaggs School of Pharmacy and Pharmaceutical Sciences, Center for Microbiome Innovation and Collaborative Mass Spectrometry Innovation Center, University of California, San Diego, CA
| | - Monika Fleshner
- Stress Physiology Laboratory, Department of Integrative Physiology, University of Colorado-Boulder, Boulder, CO.,Center for Neuroscience, University of Colorado-Boulder, Boulder, CO
| | - Rob Knight
- Departments of Pediatrics, Bioengineering and Computer Science and Engineering and Center for Microbiome Innovation, University of California, San Diego, CA
| | - Christopher A Lowry
- Center for Neuroscience, University of Colorado-Boulder, Boulder, CO.,Behavioral Neuroendocrinology Laboratory, Department of Integrative Physiology, University of Colorado-Boulder, Boulder, CO
| | - Fred W Turek
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL
| | - Martha H Vitaterna
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL
| | - Kenneth P Wright
- Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado-Boulder, Boulder, CO.,Center for Neuroscience, University of Colorado-Boulder, Boulder, CO
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15
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Bowers SJ, Vargas F, González A, He S, Jiang P, Dorrestein PC, Knight R, Wright KP, Lowry CA, Fleshner M, Vitaterna MH, Turek FW. Repeated sleep disruption in mice leads to persistent shifts in the fecal microbiome and metabolome. PLoS One 2020; 15:e0229001. [PMID: 32078624 PMCID: PMC7032712 DOI: 10.1371/journal.pone.0229001] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 01/27/2020] [Indexed: 02/07/2023] Open
Abstract
It has been established in recent years that the gut microbiome plays a role in health and disease, potentially via alterations in metabolites that influence host physiology. Although sleep disruption and gut dysbiosis have been associated with many of the same diseases, studies investigating the gut microbiome in the context of sleep disruption have yielded inconsistent results, and have not assessed the fecal metabolome. We exposed mice to five days of sleep disruption followed by four days of ad libitum recovery sleep, and assessed the fecal microbiome and fecal metabolome at multiple timepoints using 16S rRNA gene amplicons and untargeted LC-MS/MS mass spectrometry. We found global shifts in both the microbiome and metabolome in the sleep-disrupted group on the second day of recovery sleep, when most sleep parameters had recovered to baseline levels. We observed an increase in the Firmicutes:Bacteroidetes ratio, along with decreases in the genus Lactobacillus, phylum Actinobacteria, and genus Bifidobacterium in sleep-disrupted mice compared to control mice. The latter two taxa remained low at the fourth day post-sleep disruption. We also identified multiple classes of fecal metabolites that were differentially abundant in sleep-disrupted mice, some of which are physiologically relevant and commonly influenced by the microbiome. This included bile acids, and inference of microbial functional gene content suggested reduced levels of the microbial bile salt hydrolase gene in sleep-disrupted mice. Overall, this study adds to the evidence base linking disrupted sleep to the gut microbiome and expands it to the fecal metabolome, identifying sleep disruption-sensitive bacterial taxa and classes of metabolites that may serve as therapeutic targets to improve health after poor sleep.
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Affiliation(s)
- Samuel J. Bowers
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, Illinois, United States of America
- Department of Neurobiology, Northwestern University, Evanston, Illinois, United States of America
- * E-mail:
| | - Fernando Vargas
- Collaborative Mass Spectrometry Innovation Center, Skaggs School of Pharmacy & Pharmaceutical Sciences, University of California San Diego, La Jolla, California, United States of America
| | - Antonio González
- Department of Pediatrics, University of California San Diego School of Medicine, La Jolla, California, United States of America
| | - Shannon He
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, Illinois, United States of America
- Department of Neurobiology, Northwestern University, Evanston, Illinois, United States of America
| | - Peng Jiang
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, Illinois, United States of America
- Department of Neurobiology, Northwestern University, Evanston, Illinois, United States of America
| | - Pieter C. Dorrestein
- Collaborative Mass Spectrometry Innovation Center, Skaggs School of Pharmacy & Pharmaceutical Sciences, University of California San Diego, La Jolla, California, United States of America
- Center for Microbiome Innovation, University of California San Diego, La Jolla, California, United States of America
| | - Rob Knight
- Department of Pediatrics, University of California San Diego School of Medicine, La Jolla, California, United States of America
- Center for Microbiome Innovation, University of California San Diego, La Jolla, California, United States of America
- Department of Computer Science and Engineering, University of California San Diego, La Jolla, California, United States of America
| | - Kenneth P. Wright
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, United States of America
- Center for Neuroscience, University of Colorado Boulder, Boulder, Colorado, United States of America
- Sleep and Chronobiology Laboratory, University of Colorado Boulder, Boulder, Colorado, United States of America
| | - Christopher A. Lowry
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, United States of America
- Center for Neuroscience, University of Colorado Boulder, Boulder, Colorado, United States of America
| | - Monika Fleshner
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, United States of America
- Center for Neuroscience, University of Colorado Boulder, Boulder, Colorado, United States of America
| | - Martha H. Vitaterna
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, Illinois, United States of America
- Department of Neurobiology, Northwestern University, Evanston, Illinois, United States of America
| | - Fred W. Turek
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, Illinois, United States of America
- Department of Neurobiology, Northwestern University, Evanston, Illinois, United States of America
- The Ken & Ruth Davee Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, United States of America
- Department of Psychiatry and Behavioral Sciences, Northwestern University Feinberg School of Medicine, Chicago, Illinois, United States of America
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16
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Jiang P, Green SJ, Chlipala GE, Turek FW, Vitaterna MH. Reproducible changes in the gut microbiome suggest a shift in microbial and host metabolism during spaceflight. Microbiome 2019; 7:113. [PMID: 31399081 PMCID: PMC6689164 DOI: 10.1186/s40168-019-0724-4] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Accepted: 07/23/2019] [Indexed: 05/11/2023]
Abstract
BACKGROUND Space environment imposes a range of challenges to mammalian physiology and the gut microbiota, and interactions between the two are thought to be important in mammalian health in space. While previous findings have demonstrated a change in the gut microbial community structure during spaceflight, specific environmental factors that alter the gut microbiome and the functional relevance of the microbiome changes during spaceflight remain elusive. METHODS We profiled the microbiome using 16S rRNA gene amplicon sequencing in fecal samples collected from mice after a 37-day spaceflight onboard the International Space Station. We developed an analytical tool, named STARMAPs (Similarity Test for Accordant and Reproducible Microbiome Abundance Patterns), to compare microbiome changes reported here to other relevant datasets. We also integrated the gut microbiome data with the publically available transcriptomic data in the liver of the same animals for a systems-level analysis. RESULTS We report an elevated microbiome alpha diversity and an altered microbial community structure that were associated with spaceflight environment. Using STARMAPs, we found the observed microbiome changes shared similarity with data reported in mice flown in a previous space shuttle mission, suggesting reproducibility of the effects of spaceflight on the gut microbiome. However, such changes were not comparable with those induced by space-type radiation in Earth-based studies. We found spaceflight led to significantly altered taxon abundance in one order, one family, five genera, and six species of microbes. This was accompanied by a change in the inferred microbial gene abundance that suggests an altered capacity in energy metabolism. Finally, we identified host genes whose expression in the liver were concordantly altered with the inferred gut microbial gene content, particularly highlighting a relationship between host genes involved in protein metabolism and microbial genes involved in putrescine degradation. CONCLUSIONS These observations shed light on the specific environmental factors that contributed to a robust effect on the gut microbiome during spaceflight with important implications for mammalian metabolism. Our findings represent a key step toward a better understanding the role of the gut microbiome in mammalian health during spaceflight and provide a basis for future efforts to develop microbiota-based countermeasures that mitigate risks to crew health during long-term human space expeditions.
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Affiliation(s)
- Peng Jiang
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, IL USA
| | - Stefan J. Green
- Sequencing Core, Research Resources Center, University of Illinois at Chicago, Chicago, IL USA
| | - George E. Chlipala
- Sequencing Core, Research Resources Center, University of Illinois at Chicago, Chicago, IL USA
| | - Fred W. Turek
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, IL USA
| | - Martha Hotz Vitaterna
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, IL USA
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17
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Garrett-Bakelman FE, Darshi M, Green SJ, Gur RC, Lin L, Macias BR, McKenna MJ, Meydan C, Mishra T, Nasrini J, Piening BD, Rizzardi LF, Sharma K, Siamwala JH, Taylor L, Vitaterna MH, Afkarian M, Afshinnekoo E, Ahadi S, Ambati A, Arya M, Bezdan D, Callahan CM, Chen S, Choi AMK, Chlipala GE, Contrepois K, Covington M, Crucian BE, De Vivo I, Dinges DF, Ebert DJ, Feinberg JI, Gandara JA, George KA, Goutsias J, Grills GS, Hargens AR, Heer M, Hillary RP, Hoofnagle AN, Hook VYH, Jenkinson G, Jiang P, Keshavarzian A, Laurie SS, Lee-McMullen B, Lumpkins SB, MacKay M, Maienschein-Cline MG, Melnick AM, Moore TM, Nakahira K, Patel HH, Pietrzyk R, Rao V, Saito R, Salins DN, Schilling JM, Sears DD, Sheridan CK, Stenger MB, Tryggvadottir R, Urban AE, Vaisar T, Van Espen B, Zhang J, Ziegler MG, Zwart SR, Charles JB, Kundrot CE, Scott GBI, Bailey SM, Basner M, Feinberg AP, Lee SMC, Mason CE, Mignot E, Rana BK, Smith SM, Snyder MP, Turek FW. The NASA Twins Study: A multidimensional analysis of a year-long human spaceflight. Science 2019; 364:364/6436/eaau8650. [PMID: 30975860 DOI: 10.1126/science.aau8650] [Citation(s) in RCA: 399] [Impact Index Per Article: 79.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Accepted: 02/28/2019] [Indexed: 12/11/2022]
Abstract
To understand the health impact of long-duration spaceflight, one identical twin astronaut was monitored before, during, and after a 1-year mission onboard the International Space Station; his twin served as a genetically matched ground control. Longitudinal assessments identified spaceflight-specific changes, including decreased body mass, telomere elongation, genome instability, carotid artery distension and increased intima-media thickness, altered ocular structure, transcriptional and metabolic changes, DNA methylation changes in immune and oxidative stress-related pathways, gastrointestinal microbiota alterations, and some cognitive decline postflight. Although average telomere length, global gene expression, and microbiome changes returned to near preflight levels within 6 months after return to Earth, increased numbers of short telomeres were observed and expression of some genes was still disrupted. These multiomic, molecular, physiological, and behavioral datasets provide a valuable roadmap of the putative health risks for future human spaceflight.
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Affiliation(s)
- Francine E Garrett-Bakelman
- Weill Cornell Medicine, New York, NY, USA.,University of Virginia School of Medicine, Charlottesville, VA, USA
| | - Manjula Darshi
- Center for Renal Precision Medicine, University of Texas Health, San Antonio, TX, USA
| | | | - Ruben C Gur
- University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | - Ling Lin
- Stanford University School of Medicine, Palo Alto, CA, USA
| | | | | | - Cem Meydan
- Weill Cornell Medicine, New York, NY, USA.,The Bin Talal Bin Abdulaziz Alsaud Institute for Computational Biomedicine, New York, NY, USA
| | | | - Jad Nasrini
- University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | | | | | - Kumar Sharma
- Center for Renal Precision Medicine, University of Texas Health, San Antonio, TX, USA
| | | | - Lynn Taylor
- Colorado State University, Fort Collins, CO, USA
| | | | | | - Ebrahim Afshinnekoo
- Weill Cornell Medicine, New York, NY, USA.,The Bin Talal Bin Abdulaziz Alsaud Institute for Computational Biomedicine, New York, NY, USA
| | - Sara Ahadi
- Stanford University School of Medicine, Palo Alto, CA, USA
| | - Aditya Ambati
- Stanford University School of Medicine, Palo Alto, CA, USA
| | | | - Daniela Bezdan
- Weill Cornell Medicine, New York, NY, USA.,The Bin Talal Bin Abdulaziz Alsaud Institute for Computational Biomedicine, New York, NY, USA
| | | | - Songjie Chen
- Stanford University School of Medicine, Palo Alto, CA, USA
| | | | | | | | - Marisa Covington
- National Aeronautics and Space Administration (NASA), Houston, TX, USA
| | - Brian E Crucian
- National Aeronautics and Space Administration (NASA), Houston, TX, USA
| | | | - David F Dinges
- University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | | | | | | | | | | | | | | | | | - Ryan P Hillary
- Stanford University School of Medicine, Palo Alto, CA, USA
| | | | | | | | - Peng Jiang
- Northwestern University, Evanston, IL, USA
| | | | | | | | | | | | | | | | - Tyler M Moore
- University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | | | - Hemal H Patel
- University of California, San Diego, La Jolla, CA, USA
| | | | - Varsha Rao
- Stanford University School of Medicine, Palo Alto, CA, USA
| | - Rintaro Saito
- University of California, San Diego, La Jolla, CA, USA
| | - Denis N Salins
- Stanford University School of Medicine, Palo Alto, CA, USA
| | | | | | | | - Michael B Stenger
- National Aeronautics and Space Administration (NASA), Houston, TX, USA
| | | | | | | | | | - Jing Zhang
- Stanford University School of Medicine, Palo Alto, CA, USA
| | | | - Sara R Zwart
- University of Texas Medical Branch, Galveston, TX, USA
| | - John B Charles
- National Aeronautics and Space Administration (NASA), Houston, TX, USA.
| | - Craig E Kundrot
- Space Life and Physical Sciences Division, NASA Headquarters, Washington, DC, USA.
| | - Graham B I Scott
- National Space Biomedical Research Institute, Baylor College of Medicine, Houston, TX, USA.
| | | | - Mathias Basner
- University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.
| | | | | | - Christopher E Mason
- Weill Cornell Medicine, New York, NY, USA. .,The Bin Talal Bin Abdulaziz Alsaud Institute for Computational Biomedicine, New York, NY, USA.,The Feil Family Brain and Mind Research Institute, New York, NY, USA.,The WorldQuant Initiative for Quantitative Prediction, New York, NY, USA
| | | | - Brinda K Rana
- University of California, San Diego, La Jolla, CA, USA.
| | - Scott M Smith
- National Aeronautics and Space Administration (NASA), Houston, TX, USA.
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18
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Jiang P, Campbell KJ, Gao VD, Green SJ, Turek FW, Vitaterna MH. 0113 The Gut Microbial Correlates of Strain-Specific Sleep Fragmentation in A Spaceflight Analog. Sleep 2019. [DOI: 10.1093/sleep/zsz067.112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Peng Jiang
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL, USA
| | - Katrina J Campbell
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL, USA
| | - Vance D Gao
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL, USA
| | | | - Fred W Turek
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL, USA
| | - Martha H Vitaterna
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL, USA
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19
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Bowers SJ, Lambert S, He S, Olker CJ, Song EJ, Wright KP, Fleshner M, Lowry CA, Turek FW, Vitaterna MH. 0230 Preimmunization With a Non-pathogenic Bacterium Mycobacterium vaccae NCTC11659 Prevents the Development of Cortical Hyperarousal and a PTSD-like Sleep Phenotype Following Sleep Disruption Plus Acute Stress in Mice. Sleep 2019. [DOI: 10.1093/sleep/zsz067.229] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Samuel J Bowers
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL, USA
- Department of Neurobiology, Northwestern University, Evanston, IL, USA
| | - Sophie Lambert
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL, USA
| | - Shannon He
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL, USA
| | - Christopher J Olker
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL, USA
| | - Eun Joo Song
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL, USA
| | - Kenneth P Wright
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
- Sleep and Chronobiology Laboratory, University of Colorado Boulder, Boulder, CO, USA
| | - Monika Fleshner
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
- Center for Neuroscience, University of Colorado Boulder, Boulder, CO, USA
| | - Christopher A Lowry
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
- Center for Neuroscience, University of Colorado Boulder, Boulder, CO, USA
| | - Fred W Turek
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL, USA
- Department of Neurobiology, Northwestern University, Evanston, IL, USA
| | - Martha H Vitaterna
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL, USA
- Department of Neurobiology, Northwestern University, Evanston, IL, USA
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20
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Blumenstein AB, Sprecher K, Hay-Arthur E, Schreiber AJ, Burke TM, Depner CM, Dorrestein PC, Fleshner M, Knight R, Lowry CA, Turek FW, Vitaterna MH, Wright KP. 0110 Within-subject Consistency Of Increased Interleukin-6 Levels In Response To Combined Sleep Restriction And Circadian Misalignment In Humans. Sleep 2019. [DOI: 10.1093/sleep/zsz067.109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Alivia B Blumenstein
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
| | - Kate Sprecher
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
| | - Emily Hay-Arthur
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
| | - Austin J Schreiber
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
| | - Tina M Burke
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
| | - Christopher M Depner
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
| | - Pieter C Dorrestein
- Skaggs School of Pharmacy and Pharmaceutical Sciences, Collaborative Mass Spectrometry Innovation Center, University of California, San Diego, San Diego, CA, USA
| | - Monika Fleshner
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
| | - Rob Knight
- Skaggs School of Pharmacy and Pharmaceutical Sciences, Center for Microbiome Innovation, University of California, San Diego, San Diego, CA, USA
| | - Christopher A Lowry
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
| | - Fred W Turek
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, IL, USA
| | - Martha H Vitaterna
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, IL, USA
| | - Kenneth P Wright
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
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21
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Campbell KJ, Jiang P, Gao V, Turek FW, Vitaterna MH. 0151 Strain Comparison of the Effects of a Spaceflight Analog on Sleep Disruption. Sleep 2019. [DOI: 10.1093/sleep/zsz067.150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
| | - Peng Jiang
- Northwestern University, Chicago, IL, USA
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22
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Sprecher KE, Vargas F, Peña-Gonzaez A, Burke TM, Depner CM, Dorrestein PC, Fleshner M, Knight R, Lowry CA, Turek FW, Vitaterna MH, Wright KP. 0203 Greater Change in Fecal Metabolome Associated with Lower Ability to Maintain Wakefulness During Sleep Restriction and Circadian Misalignment. Sleep 2019. [DOI: 10.1093/sleep/zsz067.202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Kate E Sprecher
- Sleep and Chronobiology Lab, Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
| | - Fernando Vargas
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA, USA
| | | | - Tina M Burke
- Behavioural Biology Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Christopher M Depner
- Sleep and Chronobiology Lab, Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
| | - Pieter C Dorrestein
- Skaggs School of Pharmacy and Pharmaceutical Sciences, Center for Microbiome Innovation and Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA
| | - Monika Fleshner
- Stress Physiology Laboratory, Department of Integrative Physiology and Center for Neuroscience, University of Colorado Boulder, Boulder, CO, USA
| | - Rob Knight
- Departments of Pediatrics and Computer Science and Engineering and Center for Microbiome Innovation, University of California, San Diego CA, USA, La Jolla, CA, USA
| | - Christopher A Lowry
- Behavioral Neuroendocrinology Laboratory, Department of Integrative Physiology and Center for Neuroscience, University of Colorado Boulder, Boulder, CO, USA
| | - Fred W Turek
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, IL, USA
| | - Martha H Vitaterna
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, IL, USA
| | - Kenneth P Wright
- Sleep and Chronobiology Lab, Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
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23
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Scarpa JR, Jiang P, Gao VD, Fitzpatrick K, Millstein J, Olker C, Gotter A, Winrow CJ, Renger JJ, Kasarskis A, Turek FW, Vitaterna MH. Cross-species systems analysis identifies gene networks differentially altered by sleep loss and depression. Sci Adv 2018; 4:eaat1294. [PMID: 30050989 PMCID: PMC6059761 DOI: 10.1126/sciadv.aat1294] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Accepted: 06/18/2018] [Indexed: 06/08/2023]
Abstract
To understand the transcriptomic organization underlying sleep and affective function, we studied a population of (C57BL/6J × 129S1/SvImJ) F2 mice by measuring 283 affective and sleep phenotypes and profiling gene expression across four brain regions. We identified converging molecular bases for sleep and affective phenotypes at both the single-gene and gene-network levels. Using publicly available transcriptomic datasets collected from sleep-deprived mice and patients with major depressive disorder (MDD), we identified three cortical gene networks altered by the sleep/wake state and depression. The network-level actions of sleep loss and depression were opposite to each other, providing a mechanistic basis for the sleep disruptions commonly observed in depression, as well as the reported acute antidepressant effects of sleep deprivation. We highlight one particular network composed of circadian rhythm regulators and neuronal activity-dependent immediate-early genes. The key upstream driver of this network, Arc, may act as a nexus linking sleep and depression. Our data provide mechanistic insights into the role of sleep in affective function and MDD.
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Affiliation(s)
- Joseph R. Scarpa
- Icahn Institute for Genomics and Multiscale Biology, Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Peng Jiang
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, IL 60208, USA
| | - Vance D. Gao
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, IL 60208, USA
| | - Karrie Fitzpatrick
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, IL 60208, USA
| | | | - Christopher Olker
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, IL 60208, USA
| | - Anthony Gotter
- Department of Neuroscience, Merck Research Laboratories, West Point, PA 19486, USA
| | | | - John J. Renger
- Department of Neuroscience, Merck Research Laboratories, West Point, PA 19486, USA
| | - Andrew Kasarskis
- Icahn Institute for Genomics and Multiscale Biology, Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Fred W. Turek
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, IL 60208, USA
| | - Martha H. Vitaterna
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, IL 60208, USA
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24
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Sprecher KE, Ritchie HE, Burke TM, Depner CM, Dorrestein PC, Fleshner M, Knight R, Lowry CA, Turek FW, Vitaterna MH, Wright KP. 0213 Trait-like Vulnerability Of Higher-order Cognition To Sleep Loss And Circadian Misalignment. Sleep 2018. [DOI: 10.1093/sleep/zsy061.212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- K E Sprecher
- Sleep and Chronobiology Lab, Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO
| | - H E Ritchie
- Sleep and Chronobiology Lab, Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO
| | - T M Burke
- Sleep and Chronobiology Lab, Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO
| | - C M Depner
- Sleep and Chronobiology Lab, Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO
| | - P C Dorrestein
- Skaggs School of Pharmacy and Pharmaceutical Sciences, Center for Microbiome Innovation and Collaborative Mass Spectrometry Innovation Center, University of California, La Jolla, CA
| | - M Fleshner
- Stress Physiology Laboratory, Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO
| | - R Knight
- Departments of Pediatrics and Computer Science and Engineering and Center for Microbiome Innovation, University of California, San Diego CA, USA, La Jolla, CA
| | - C A Lowry
- Behavioral Neuroendocrinology Laboratory, Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO
| | - F W Turek
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL
| | - M H Vitaterna
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL
| | - K P Wright
- Sleep and Chronobiology Lab, Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO
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25
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Sprecher KE, Ritchie HK, Depner CM, Dorrestein PC, Fleshner M, Knight R, Lowry CA, Turek FW, Vitaterna MH, Wright KP. 0239 Sleep Architecture During Sleep Loss And Circadian Misalignment Is Trait-like. Sleep 2018. [DOI: 10.1093/sleep/zsy061.238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- K E Sprecher
- Sleep and Chronobiology Lab, Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO
| | - H K Ritchie
- Sleep and Chronobiology Lab, Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO
| | - C M Depner
- Sleep and Chronobiology Lab, Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO
| | - P C Dorrestein
- Skaggs School of Pharmacy and Pharmaceutical Sciences, Center for Microbiome Innovation and Collaborative Mass Spectrometry Innovation Center, University of California, San Diego, CA
| | - M Fleshner
- Stress Physiology Laboratory, Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO
| | - R Knight
- Departments of Pediatrics and Computer Science and Engineering and Center for Microbiome Innovation, University of California, San Diego CA, USA, San Diego, CA
| | - C A Lowry
- Behavioral Neuroendocrinology Laboratory, Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO
| | - F W Turek
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL
| | - M H Vitaterna
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL
| | - K P Wright
- Sleep and Chronobiology Lab, Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO
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26
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Lunn RM, Blask DE, Coogan AN, Figueiro MG, Gorman MR, Hall JE, Hansen J, Nelson RJ, Panda S, Smolensky MH, Stevens RG, Turek FW, Vermeulen R, Carreón T, Caruso CC, Lawson CC, Thayer KA, Twery MJ, Ewens AD, Garner SC, Schwingl PJ, Boyd WA. Health consequences of electric lighting practices in the modern world: A report on the National Toxicology Program's workshop on shift work at night, artificial light at night, and circadian disruption. Sci Total Environ 2017; 607-608:1073-1084. [PMID: 28724246 PMCID: PMC5587396 DOI: 10.1016/j.scitotenv.2017.07.056] [Citation(s) in RCA: 204] [Impact Index Per Article: 29.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Revised: 07/07/2017] [Accepted: 07/07/2017] [Indexed: 05/24/2023]
Abstract
The invention of electric light has facilitated a society in which people work, sleep, eat, and play at all hours of the 24-hour day. Although electric light clearly has benefited humankind, exposures to electric light, especially light at night (LAN), may disrupt sleep and biological processes controlled by endogenous circadian clocks, potentially resulting in adverse health outcomes. Many of the studies evaluating adverse health effects have been conducted among night- and rotating-shift workers, because this scenario gives rise to significant exposure to LAN. Because of the complexity of this topic, the National Toxicology Program convened an expert panel at a public workshop entitled "Shift Work at Night, Artificial Light at Night, and Circadian Disruption" to obtain input on conducting literature-based health hazard assessments and to identify data gaps and research needs. The Panel suggested describing light both as a direct effector of endogenous circadian clocks and rhythms and as an enabler of additional activities or behaviors that may lead to circadian disruption, such as night-shift work and atypical and inconsistent sleep-wake patterns that can lead to social jet lag. Future studies should more comprehensively characterize and measure the relevant light-related exposures and link these exposures to both time-independent biomarkers of circadian disruption and biomarkers of adverse health outcomes. This information should lead to improvements in human epidemiological and animal or in vitro models, more rigorous health hazard assessments, and intervention strategies to minimize the occurrence of adverse health outcomes due to these exposures.
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Affiliation(s)
- Ruth M Lunn
- Office of the Report on Carcinogens, Division of the National Toxicology Program, National Institute of Environmental Health Sciences (NIEHS), Research Triangle Park, NC, United States
| | - David E Blask
- Department of Structural and Cellular Biology, Laboratory of Chrono-Neuroendocrine Oncology, Tulane University School of Medicine, New Orleans, LA, United States
| | - Andrew N Coogan
- Maynooth University Department of Psychology, National University of Ireland, Maynooth, County Kildare, Ireland
| | - Mariana G Figueiro
- Light and Health Program, Lighting Research Center, Rensselaer Polytechnic Institute, Troy, NY, United States
| | - Michael R Gorman
- Department of Psychology and Center for Circadian Biology, University of California, San Diego, CA, United States
| | - Janet E Hall
- Division of Intramural Research, National Institute of Environmental Health Sciences, Research Triangle Park, NC, United States
| | - Johnni Hansen
- Danish Cancer Society Research Centre, Copenhagen, Denmark
| | - Randy J Nelson
- Department of Neuroscience, Neuroscience Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | | | - Michael H Smolensky
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX, United States; Sleep Medicine, The University of Texas-Houston McGovern School of Medicine, Houston, TX, United States
| | - Richard G Stevens
- School of Medicine, University of Connecticut, Farmington, CT, United States
| | - Fred W Turek
- Center for Sleep & Circadian Biology, Northwestern University, Evanston, IL, United States
| | - Roel Vermeulen
- Division of Environmental Epidemiology, Institute for Risk Assessment Sciences (IRAS), Utrecht University, Utrecht, The Netherlands
| | - Tania Carreón
- National Institute for Occupational Safety and Health (NIOSH), Centers for Disease Control and Prevention, Cincinnati, OH, United States
| | - Claire C Caruso
- National Institute for Occupational Safety and Health (NIOSH), Centers for Disease Control and Prevention, Cincinnati, OH, United States
| | - Christina C Lawson
- National Institute for Occupational Safety and Health (NIOSH), Centers for Disease Control and Prevention, Cincinnati, OH, United States
| | - Kristina A Thayer
- Office of Health Assessment and Translation, Division of the National Toxicology Program, National Institute of Environmental Health Sciences (NIEHS), Research Triangle Park, NC, United States
| | - Michael J Twery
- National Center on Sleep Disorders Research, Division of Lung Diseases, National Heart, Lung, and Blood Institute (NHLBI), Bethesda, MD, United States
| | - Andrew D Ewens
- Contractor in support of the NIEHS Report on Carcinogens, Integrated Laboratory Systems (ILS), Durham, NC, United States
| | - Sanford C Garner
- Contractor in support of the NIEHS Report on Carcinogens, Integrated Laboratory Systems (ILS), Durham, NC, United States
| | - Pamela J Schwingl
- Contractor in support of the NIEHS Report on Carcinogens, Integrated Laboratory Systems (ILS), Durham, NC, United States
| | - Windy A Boyd
- Office of Health Assessment and Translation, Division of the National Toxicology Program, National Institute of Environmental Health Sciences (NIEHS), Research Triangle Park, NC, United States.
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Abstract
The last 20 years have seen the rapid evolution of our understanding of the molecular genes and networks that enable almost all forms of life to generate 24-hour-or circadian-rhythms. One finding has been particularly exciting: that the molecular circadian clock resides in almost all of the cells of the body and that the clock regulates the timing of many cellular and signaling pathways associated with multiple disease states. Such advances represent a new frontier for medicine: circadian medicine.
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Affiliation(s)
- Fred W Turek
- Director, Center for Sleep and Circadian Biology, Northwestern University, Cook Hall, 2220 Campus Drive, Evanston, IL 60208, USA. .,Charles E. and Emma H. Morrison Professor of Biology, Department of Neurobiology, Weinberg College of Arts and Sciences, Northwestern University, Evanston, IL 60201, USA.,Professor, Departments of Neurology and Psychiatry and Behavioral Sciences, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
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Abstract
Over the past decade, a large body of literature has demonstrated that disruptions of the endogenous circadian clock, whether environmental or genetic, lead to metabolic dysfunctions that are associated with obesity, diabetes, and other metabolic disorders. The phrase, "It is not only what you eat and how much you eat, but also when you eat" sends a simple message about circadian timing and body weight regulation. Communicating this message to clinicians and patients, while also elucidating the neuroendocrine, molecular, and genetic mechanisms underlying this phrase is essential to embrace the growing knowledge of the circadian impact on metabolism as a part of healthy life style as well as to incorporate it into clinical practice for improvement of overall human health. In this review, we discuss findings from animal models, as well as epidemiological and clinical studies in humans, which collectively promote the awareness of the role of circadian clock in metabolic functions and dysfunctions.
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Affiliation(s)
- Peng Jiang
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, Illinois
| | - Fred W Turek
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, Illinois
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Bowers SJ, Olker CJ, Song E, Wright KP, Fleshner M, Lowry CA, Vitaterna MH, Turek FW. 0146 IMMUNIZATION WITH HEAT-KILLED MYCOBACTERIUM VACCAE INCREASES TOTAL SLEEP AND REM SLEEP, AND CHANGES NREM ARCHITECTURE IN MICE. Sleep 2017. [DOI: 10.1093/sleepj/zsx050.145] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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30
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Jiang P, Scarpa JR, Gao VD, Fitzpatrick K, Gotter A, Winrow CJ, Renger JJ, Vitaterna MH, Kasarskis A, Turek FW. 0018 DATA MINING OF MULTIPLE GENOMICS DATASETS UNCOVERS CONVERGENT GENE NETWORKS INTEGRATING CIRCADIAN TIMING AND HOMEOSTATIC DRIVE FOR SLEEP REGULATION. Sleep 2017. [DOI: 10.1093/sleepj/zsx050.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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31
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Voigt RM, Summa KC, Forsyth CB, Green SJ, Engen P, Naqib A, Vitaterna MH, Turek FW, Keshavarzian A. The Circadian Clock Mutation Promotes Intestinal Dysbiosis. Alcohol Clin Exp Res 2016; 40:335-47. [PMID: 26842252 DOI: 10.1111/acer.12943] [Citation(s) in RCA: 104] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2015] [Accepted: 10/24/2015] [Indexed: 12/11/2022]
Abstract
BACKGROUND Circadian rhythm disruption is a prevalent feature of modern day society that is associated with an increase in pro-inflammatory diseases, and there is a clear need for a better understanding of the mechanism(s) underlying this phenomenon. We have previously demonstrated that both environmental and genetic circadian rhythm disruption causes intestinal hyperpermeability and exacerbates alcohol-induced intestinal hyperpermeability and liver pathology. The intestinal microbiota can influence intestinal barrier integrity and impact immune system function; thus, in this study, we sought to determine whether genetic alteration of the core circadian clock gene, Clock, altered the intestinal microbiota community. METHODS Male Clock(Δ19) -mutant mice (mice homozygous for a dominant-negative-mutant allele) or littermate wild-type mice were fed 1 of 3 experimental diets: (i) a standard chow diet, (ii) an alcohol-containing diet, or (iii) an alcohol-control diet in which the alcohol calories were replaced with dextrose. Stool microbiota was assessed with 16S ribosomal RNA gene amplicon sequencing. RESULTS The fecal microbial community of Clock-mutant mice had lower taxonomic diversity, relative to wild-type mice, and the Clock(Δ19) mutation was associated with intestinal dysbiosis when mice were fed either the alcohol-containing or the control diet. We found that alcohol consumption significantly altered the intestinal microbiota in both wild-type and Clock-mutant mice. CONCLUSIONS Our data support a model by which circadian rhythm disruption by the Clock(Δ19) mutation perturbs normal intestinal microbial communities, and this trend was exacerbated in the context of a secondary dietary intestinal stressor.
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Affiliation(s)
- Robin M Voigt
- Department of Internal Medicine , Division of Gastroenterology, Rush University Medical Center, Chicago, Illinois
| | - Keith C Summa
- Center for Sleep and Circadian Biology , Department of Neurobiology, Northwestern University, Evanston, Illinois
| | - Christopher B Forsyth
- Department of Internal Medicine , Division of Gastroenterology, Rush University Medical Center, Chicago, Illinois.,Department of Biochemistry , Rush University Medical Center, Chicago, Illinois
| | - Stefan J Green
- DNA Services Facility , Research Resources Center, University of Illinois at Chicago, Chicago, Illinois.,Department of Biological Sciences , University of Illinois at Chicago, Chicago, Illinois
| | - Phillip Engen
- Department of Internal Medicine , Division of Gastroenterology, Rush University Medical Center, Chicago, Illinois
| | - Ankur Naqib
- DNA Services Facility , Research Resources Center, University of Illinois at Chicago, Chicago, Illinois
| | - Martha H Vitaterna
- Center for Sleep and Circadian Biology , Department of Neurobiology, Northwestern University, Evanston, Illinois
| | - Fred W Turek
- Center for Sleep and Circadian Biology , Department of Neurobiology, Northwestern University, Evanston, Illinois
| | - Ali Keshavarzian
- Department of Internal Medicine , Division of Gastroenterology, Rush University Medical Center, Chicago, Illinois.,Department of Pharmacology , Rush University Medical Center, Chicago, Illinois.,Division of Pharmacology , Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, the Netherlands
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32
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Affiliation(s)
- Faraz Bishehsari
- Department of Medicine, Rush University Medical Center, Chicago, Illinois.
| | - Francis Levi
- Warwick Medical School, University of Warwick, UK,Cancer Chronotherapy and Post-Operative Liver Team, Institut National de la Santé et de la Recherche Médicale UMRS 935, 94800 Villejuif, France
| | - Fred W. Turek
- Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL
| | - Ali Keshavarzian
- Department of Medicine, Rush University Medical Center, Chicago, Illinois.
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33
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Scarpa JR, Jiang P, Losic B, Readhead B, Gao VD, Dudley JT, Vitaterna MH, Turek FW, Kasarskis A. Systems Genetic Analyses Highlight a TGFβ-FOXO3 Dependent Striatal Astrocyte Network Conserved across Species and Associated with Stress, Sleep, and Huntington's Disease. PLoS Genet 2016; 12:e1006137. [PMID: 27390852 PMCID: PMC4938493 DOI: 10.1371/journal.pgen.1006137] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Accepted: 05/31/2016] [Indexed: 12/22/2022] Open
Abstract
Recent systems-based analyses have demonstrated that sleep and stress traits emerge from shared genetic and transcriptional networks, and clinical work has elucidated the emergence of sleep dysfunction and stress susceptibility as early symptoms of Huntington's disease. Understanding the biological bases of these early non-motor symptoms may reveal therapeutic targets that prevent disease onset or slow disease progression, but the molecular mechanisms underlying this complex clinical presentation remain largely unknown. In the present work, we specifically examine the relationship between these psychiatric traits and Huntington's disease (HD) by identifying striatal transcriptional networks shared by HD, stress, and sleep phenotypes. First, we utilize a systems-based approach to examine a large publicly available human transcriptomic dataset for HD (GSE3790 from GEO) in a novel way. We use weighted gene coexpression network analysis and differential connectivity analyses to identify transcriptional networks dysregulated in HD, and we use an unbiased ranking scheme that leverages both gene- and network-level information to identify a novel astrocyte-specific network as most relevant to HD caudate. We validate this result in an independent HD cohort. Next, we computationally predict FOXO3 as a regulator of this network, and use multiple publicly available in vitro and in vivo experimental datasets to validate that this astrocyte HD network is downstream of a signaling pathway important in adult neurogenesis (TGFβ-FOXO3). We also map this HD-relevant caudate subnetwork to striatal transcriptional networks in a large (n = 100) chronically stressed (B6xA/J)F2 mouse population that has been extensively phenotyped (328 stress- and sleep-related measurements), and we show that this striatal astrocyte network is correlated to sleep and stress traits, many of which are known to be altered in HD cohorts. We identify causal regulators of this network through Bayesian network analysis, and we highlight their relevance to motor, mood, and sleep traits through multiple in silico approaches, including an examination of their protein binding partners. Finally, we show that these causal regulators may be therapeutically viable for HD because their downstream network was partially modulated by deep brain stimulation of the subthalamic nucleus, a medical intervention thought to confer some therapeutic benefit to HD patients. In conclusion, we show that an astrocyte transcriptional network is primarily associated to HD in the caudate and provide evidence for its relationship to molecular mechanisms of neural stem cell homeostasis. Furthermore, we present a unified systems-based framework for identifying gene networks that are associated with complex non-motor traits that manifest in the earliest phases of HD. By analyzing and integrating multiple independent datasets, we identify a point of molecular convergence between sleep, stress, and HD that reflects their phenotypic comorbidity and reveals a molecular pathway involved in HD progression.
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Affiliation(s)
- Joseph R. Scarpa
- Icahn Institute for Genomics and Multiscale Biology, Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
| | - Peng Jiang
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, Illinois, United States of America
| | - Bojan Losic
- Icahn Institute for Genomics and Multiscale Biology, Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
| | - Ben Readhead
- Icahn Institute for Genomics and Multiscale Biology, Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
| | - Vance D. Gao
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, Illinois, United States of America
| | - Joel T. Dudley
- Icahn Institute for Genomics and Multiscale Biology, Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
| | - Martha H. Vitaterna
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, Illinois, United States of America
| | - Fred W. Turek
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, Illinois, United States of America
| | - Andrew Kasarskis
- Icahn Institute for Genomics and Multiscale Biology, Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
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35
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36
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37
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Turek FW. Editor's Introduction: Biological Rhythms—On the Shoulders of Giants. J Biol Rhythms 2016. [DOI: 10.1177/074873098128999853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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38
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Turek FW. Editor's Introduction: Positive Feedback Loop. J Biol Rhythms 2016. [DOI: 10.1177/074873049801300301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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39
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Turek FW. Editor's Introduction. J Biol Rhythms 2016. [DOI: 10.1177/074873049501000401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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40
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Abstract
A dogma in the field of circadian rhythms is that in order to keep accurate time, pacemakers that generate such rhythms must be relatively independent of changes in the external and internal environment. While it is true that the period of circadian oscillators is conserved within a narrow range, regardless of alterations in the external and internal envi ronment, numerous perturbations have now been found that can change the period and/or induce a phase shift in circadian pacemakers. Many of these perturbations also alter the overall level of activity and/or metabolic state of the organism. In 1960, Aschoff suggested that alterations in the "level of excitement" may induce changes in circadian clocks. Although little attention has been given to this hypothesis over the past three decades, recent findings support its validity and open new avenues for studying the function and organization of circadian clock systems.
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Affiliation(s)
- Fred W. Turek
- Department of Neurobiology and Physiology, Northwestern University, Evanston, Illinois 60208
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42
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Turek FW. Editor’s Introduction. J Biol Rhythms 2016. [DOI: 10.1177/074873049801300501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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44
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Abstract
Chrononutrition is an emerging discipline that builds on the intimate relation between endogenous circadian (24-h) rhythms and metabolism. Circadian regulation of metabolic function can be observed from the level of intracellular biochemistry to whole-organism physiology and even postprandial responses. Recent work has elucidated the metabolic roles of circadian clocks in key metabolic tissues, including liver, pancreas, white adipose, and skeletal muscle. For example, tissue-specific clock disruption in a single peripheral organ can cause obesity or disruption of whole-organism glucose homeostasis. This review explains mechanistic insights gained from transgenic animal studies and how these data are being translated into the study of human genetics and physiology. The principles of chrononutrition have already been demonstrated to improve human weight loss and are likely to benefit the health of individuals with metabolic disease, as well as of the general population.
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Affiliation(s)
| | - José M Ordovás
- Tufts University, Boston, MA;,Madrid Institutes of Advanced Studies-Food, Madrid, Spain
| | - Frank A Scheer
- Brigham and Women's Hospital, Boston, MA;,Harvard Medical School, Boston, MA; and
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46
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Kc R, Li X, Forsyth CB, Voigt RM, Summa KC, Vitaterna MH, Tryniszewska B, Keshavarzian A, Turek FW, Meng QJ, Im HJ. Osteoarthritis-like pathologic changes in the knee joint induced by environmental disruption of circadian rhythms is potentiated by a high-fat diet. Sci Rep 2015; 5:16896. [PMID: 26584570 PMCID: PMC4653622 DOI: 10.1038/srep16896] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Accepted: 10/22/2015] [Indexed: 02/02/2023] Open
Abstract
A variety of environmental factors contribute to progressive development of osteoarthritis (OA). Environmental factors that upset circadian rhythms have been linked to various diseases. Our recent work establishes chronic environmental circadian disruption - analogous to rotating shiftwork-associated disruption of circadian rhythms in humans - as a novel risk factor for the development of OA. Evidence suggests shift workers are prone to obesity and also show altered eating habits (i.e., increased preference for high-fat containing food). In the present study, we investigated the impact of chronic circadian rhythm disruption in combination with a high-fat diet (HFD) on progression of OA in a mouse model. Our study demonstrates that when mice with chronically circadian rhythms were fed a HFD, there was a significant proteoglycan (PG) loss and fibrillation in knee joint as well as increased activation of the expression of the catabolic mediators involved in cartilage homeostasis. Our results, for the first time, provide the evidence that environmental disruption of circadian rhythms plus HFD potentiate OA-like pathological changes in the mouse joints. Thus, our findings may open new perspectives on the interactions of chronic circadian rhythms disruption with diet in the development of OA and may have potential clinical implications.
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Affiliation(s)
- Ranjan Kc
- Departments of Biochemistry, Rush University Medical Center, Chicago, IL, 60612
| | - Xin Li
- Departments of Biochemistry, Rush University Medical Center, Chicago, IL, 60612
| | - Christopher B Forsyth
- Division of Digestive Diseases and Nutrition, Rush University Medical Center, Chicago, IL, 60612
| | - Robin M Voigt
- Division of Digestive Diseases and Nutrition, Rush University Medical Center, Chicago, IL, 60612
| | - Keith C Summa
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, IL, 60208
| | - Martha Hotz Vitaterna
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, IL, 60208
| | - Beata Tryniszewska
- Division of Digestive Diseases and Nutrition, Rush University Medical Center, Chicago, IL, 60612
| | - Ali Keshavarzian
- Division of Digestive Diseases and Nutrition, Rush University Medical Center, Chicago, IL, 60612.,Departments of Pharmacology, Rush University Medical Center, Chicago, IL, 60612.,Departments of Molecular Biophysics and Physiology, Rush University Medical Center, Chicago, IL, 60612.,Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Netherlands
| | - Fred W Turek
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, IL, 60208
| | - Qing-Jun Meng
- Faculty of Life Sciences, University of Manchester, Manchester, United Kingdom, M13 9PT
| | - Hee-Jeong Im
- Departments of Biochemistry, Rush University Medical Center, Chicago, IL, 60612.,Departments of Orthopaedic Surgery, Internal Medicine, Rush University Medical Center, Chicago, IL, 60612.,Sections of Rheumatology, Rush University Medical Center, Chicago, IL, 60612.,Department of Bioengineering, University of Illinois at Chicago, Chicago, IL, 60612.,Jesse Brown Veterans Affairs Medical Center at Chicago, IL 60612, USA
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47
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Fishbein AB, Vitaterna O, Haugh IM, Bavishi AA, Zee PC, Turek FW, Sheldon SH, Silverberg JI, Paller AS. Nocturnal eczema: Review of sleep and circadian rhythms in children with atopic dermatitis and future research directions. J Allergy Clin Immunol 2015; 136:1170-7. [DOI: 10.1016/j.jaci.2015.08.028] [Citation(s) in RCA: 91] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2015] [Revised: 08/07/2015] [Accepted: 08/11/2015] [Indexed: 01/25/2023]
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48
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Summa KC, Jiang P, Fitzpatrick K, Voigt RM, Bowers SJ, Forsyth CB, Vitaterna MH, Keshavarzian A, Turek FW. Chronic Alcohol Exposure and the Circadian Clock Mutation Exert Tissue-Specific Effects on Gene Expression in Mouse Hippocampus, Liver, and Proximal Colon. Alcohol Clin Exp Res 2015; 39:1917-29. [PMID: 26332085 DOI: 10.1111/acer.12834] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [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: 07/11/2014] [Accepted: 06/30/2015] [Indexed: 12/21/2022]
Abstract
BACKGROUND Chronic alcohol exposure exerts numerous adverse effects, although the specific mechanisms underlying these negative effects on different tissues are not completely understood. Alcohol also affects core properties of the circadian clock system, and it has been shown that disruption of circadian rhythms confers vulnerability to alcohol-induced pathology of the gastrointestinal barrier and liver. Despite these findings, little is known of the molecular interactions between alcohol and the circadian clock system, especially regarding implications for tissue-specific susceptibility to alcohol pathologies. The aim of this study was to identify changes in expression of genes relevant to alcohol pathologies and circadian clock function in different tissues in response to chronic alcohol intake. METHODS Wild-type and circadian Clock(Δ19) mutant mice were subjected to a 10-week chronic alcohol protocol, after which hippocampal, liver, and proximal colon tissues were harvested for gene expression analysis using a custom-designed multiplex magnetic bead hybridization assay that provided quantitative assessment of 80 mRNA targets of interest, including 5 housekeeping genes and a predetermined set of 75 genes relevant for alcohol pathology and circadian clock function. RESULTS Significant alterations in expression levels attributable to genotype, alcohol, and/or a genotype by alcohol interaction were observed in all 3 tissues, with distinct patterns of expression changes observed in each. Of particular interest was the finding that a high proportion of genes involved in inflammation and metabolism on the array was significantly affected by alcohol and the Clock(Δ19) mutation in the hippocampus, suggesting a suite of molecular changes that may contribute to pathological change. CONCLUSIONS These results reveal the tissue-specific nature of gene expression responses to chronic alcohol exposure and the Clock(Δ19) mutation and identify specific expression profiles that may contribute to tissue-specific vulnerability to alcohol-induced injury in the brain, colon, and liver.
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Affiliation(s)
- Keith C Summa
- Center for Sleep & Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, Illinois
| | - Peng Jiang
- Center for Sleep & Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, Illinois
| | - Karrie Fitzpatrick
- Center for Sleep & Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, Illinois
| | - Robin M Voigt
- Division of Digestive Diseases and Nutrition, Department of Internal Medicine, Rush University Medical Center, Chicago, Illinois
| | - Samuel J Bowers
- Center for Sleep & Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, Illinois
| | - Christopher B Forsyth
- Division of Digestive Diseases and Nutrition, Department of Internal Medicine, Rush University Medical Center, Chicago, Illinois.,Department of Biochemistry, Rush University Medical Center, Chicago, Illinois
| | - Martha H Vitaterna
- Center for Sleep & Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, Illinois
| | - Ali Keshavarzian
- Division of Digestive Diseases and Nutrition, Department of Internal Medicine, Rush University Medical Center, Chicago, Illinois.,Department of Biochemistry, Rush University Medical Center, Chicago, Illinois.,Department of Pharmacology, Rush University Medical Center, Chicago, Illinois.,Department of Molecular Biophysics and Physiology, Rush University Medical Center, Chicago, Illinois.,Division of Pharmacology, Faculty of Science, Utrecht Institute for Pharmaceutical Science, Utrecht University, Utrecht, the Netherlands
| | - Fred W Turek
- Center for Sleep & Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, Illinois
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49
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Kc R, Voigt R, Li X, Forsyth CB, Ellman MB, Summa KC, Turek FW, Keshavarzian A, Kim JS, Im HJ. Induction of Osteoarthritis-like Pathologic Changes by Chronic Alcohol Consumption in an Experimental Mouse Model. Arthritis Rheumatol 2015; 67:1678-80. [PMID: 25708245 DOI: 10.1002/art.39090] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2013] [Revised: 01/31/2015] [Accepted: 02/19/2015] [Indexed: 12/19/2022]
Affiliation(s)
- Ranjan Kc
- Rush University Medical Center, Chicago, IL
| | | | - Xin Li
- Rush University Medical Center, Chicago, IL
| | | | - Michael B Ellman
- Rush University Medical Center, Chicago, IL.,Panorama Orthopedics, Denver, CO
| | | | | | - Ali Keshavarzian
- Rush University Medical Center, Chicago, IL.,Utrecht University, Utrecht, The Netherlands
| | | | - Hee-Jeong Im
- Rush University Medical Center, Chicago, IL.,University of Illinois, Chicago, IL
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50
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Kc R, Li X, Voigt RM, Ellman MB, Summa KC, Vitaterna MH, Keshavarizian A, Turek FW, Meng QJ, Stein GS, van Wijnen AJ, Chen D, Forsyth CB, Im HJ. Environmental disruption of circadian rhythm predisposes mice to osteoarthritis-like changes in knee joint. J Cell Physiol 2015; 230:2174-2183. [PMID: 25655021 DOI: 10.1002/jcp.24946] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2015] [Accepted: 01/23/2015] [Indexed: 01/08/2023]
Abstract
Circadian rhythm dysfunction is linked to many diseases, yet pathophysiological roles in articular cartilage homeostasis and degenerative joint disease including osteoarthritis (OA) remains to be investigated in vivo. Here, we tested whether environmental or genetic disruption of circadian homeostasis predisposes to OA-like pathological changes. Male mice were examined for circadian locomotor activity upon changes in the light:dark (LD) cycle or genetic disruption of circadian rhythms. Wild-type (WT) mice were maintained on a constant 12 h:12 h LD cycle (12:12 LD) or exposed to weekly 12 h phase shifts. Alternatively, male circadian mutant mice (Clock(Δ19) or Csnk1e(tau) mutants) were compared with age-matched WT littermates that were maintained on a constant 12:12 LD cycle. Disruption of circadian rhythms promoted osteoarthritic changes by suppressing proteoglycan accumulation, upregulating matrix-degrading enzymes and downregulating anabolic mediators in the mouse knee joint. Mechanistically, these effects involved activation of the PKCδ-ERK-RUNX2/NFκB and β-catenin signaling pathways, stimulation of MMP-13 and ADAMTS-5, as well as suppression of the anabolic mediators SOX9 and TIMP-3 in articular chondrocytes of phase-shifted mice. Genetic disruption of circadian homeostasis does not predispose to OA-like pathological changes in joints. Our results, for the first time, provide compelling in vivo evidence that environmental disruption of circadian rhythms is a risk factor for the development of OA-like pathological changes in the mouse knee joint.
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Affiliation(s)
- Ranjan Kc
- Department of Biochemistry, Rush University Medical Center, Chicago, IL, 60612
| | - Xin Li
- Department of Biochemistry, Rush University Medical Center, Chicago, IL, 60612
| | - Robin M Voigt
- Section of Division of Digestive Diseases and Nutrition, Rush University Medical Center, Chicago, IL, 60612
| | - Michael B Ellman
- Department of Biochemistry, Rush University Medical Center, Chicago, IL, 60612.,Department of Orthopaedic Surgery, Internal Medicine, Rush University Medical Center, Chicago, IL, 60612
| | - Keith C Summa
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, IL, 60208
| | - Martha Hotz Vitaterna
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, IL, 60208
| | - Ali Keshavarizian
- Section of Division of Digestive Diseases and Nutrition, Rush University Medical Center, Chicago, IL, 60612.,Section of Pharmacology, Rush University Medical Center, Chicago, IL, 60612.,Section of Molecular Biophysics and Physiology, Rush University Medical Center, Chicago, IL, 60612.,Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Netherlands
| | - Fred W Turek
- Center for Sleep and Circadian Biology, Department of Neurobiology, Northwestern University, Evanston, IL, 60208
| | - Qing-Jun Meng
- Qing-Jun Meng, Faculty of Life Sciences, University of Manchester, Manchester, United Kingdom, M13 9PT
| | - Gary S Stein
- Department of Biochemistry, Vermont Cancer Center for Basic and Translational Research, University of Vermont Medical School, Burlington, VT, USA
| | - Andre J van Wijnen
- Departments of Orthopedic Surgery & Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA
| | - Di Chen
- Department of Biochemistry, Rush University Medical Center, Chicago, IL, 60612
| | - Christopher B Forsyth
- Section of Division of Digestive Diseases and Nutrition, Rush University Medical Center, Chicago, IL, 60612
| | - Hee-Jeong Im
- Department of Biochemistry, Rush University Medical Center, Chicago, IL, 60612.,Department of Orthopaedic Surgery, Internal Medicine, Rush University Medical Center, Chicago, IL, 60612.,Section of Rheumatology, Rush University Medical Center, Chicago, IL, 60612.,Department of Bioengineering, University of Illinois at Chicago, Chicago, IL, 60612
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