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Mergenthaler P, Balami JS, Neuhaus AA, Mottahedin A, Albers GW, Rothwell PM, Saver JL, Young ME, Buchan AM. Stroke in the Time of Circadian Medicine. Circ Res 2024; 134:770-790. [PMID: 38484031 DOI: 10.1161/circresaha.124.323508] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Accepted: 02/15/2024] [Indexed: 03/19/2024]
Abstract
Time-of-day significantly influences the severity and incidence of stroke. Evidence has emerged not only for circadian governance over stroke risk factors, but also for important determinants of clinical outcome. In this review, we provide a comprehensive overview of the interplay between chronobiology and cerebrovascular disease. We discuss circadian regulation of pathophysiological mechanisms underlying stroke onset or tolerance as well as in vascular dementia. This includes cell death mechanisms, metabolism, mitochondrial function, and inflammation/immunity. Furthermore, we present clinical evidence supporting the link between disrupted circadian rhythms and increased susceptibility to stroke and dementia. We propose that circadian regulation of biochemical and physiological pathways in the brain increase susceptibility to damage after stroke in sleep and attenuate treatment effectiveness during the active phase. This review underscores the importance of considering circadian biology for understanding the pathology and treatment choice for stroke and vascular dementia and speculates that considering a patient's chronotype may be an important factor in developing precision treatment following stroke.
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Affiliation(s)
- Philipp Mergenthaler
- Center for Stroke Research Berlin (P.M., A.M.B.), Charité - Universitätsmedizin Berlin, Germany
- Department of Neurology with Experimental Neurology (P.M.), Charité - Universitätsmedizin Berlin, Germany
- Stroke Research, Radcliffe Department of Medicine (P.M., J.S.B., A.A.N., A.M., A.M.B.), University of Oxford, United Kingdom
- Consortium International pour la Recherche Circadienne sur l'AVC (CIRCA) (P.M., J.S.B., A.A.N., A.M., G.W.A., P.M.R., J.L.S., M.E.Y., A.M.B.)
| | - Joyce S Balami
- Stroke Research, Radcliffe Department of Medicine (P.M., J.S.B., A.A.N., A.M., A.M.B.), University of Oxford, United Kingdom
- Consortium International pour la Recherche Circadienne sur l'AVC (CIRCA) (P.M., J.S.B., A.A.N., A.M., G.W.A., P.M.R., J.L.S., M.E.Y., A.M.B.)
| | - Ain A Neuhaus
- Stroke Research, Radcliffe Department of Medicine (P.M., J.S.B., A.A.N., A.M., A.M.B.), University of Oxford, United Kingdom
- Department of Radiology, Oxford University Hospitals NHS Foundation Trust, United Kingdom (A.A.N.)
- Consortium International pour la Recherche Circadienne sur l'AVC (CIRCA) (P.M., J.S.B., A.A.N., A.M., G.W.A., P.M.R., J.L.S., M.E.Y., A.M.B.)
| | - Amin Mottahedin
- Stroke Research, Radcliffe Department of Medicine (P.M., J.S.B., A.A.N., A.M., A.M.B.), University of Oxford, United Kingdom
- Nuffield Department of Clinical Neurosciences (A.M., P.M.R.), University of Oxford, United Kingdom
- Consortium International pour la Recherche Circadienne sur l'AVC (CIRCA) (P.M., J.S.B., A.A.N., A.M., G.W.A., P.M.R., J.L.S., M.E.Y., A.M.B.)
| | - Gregory W Albers
- Department of Neurology, Stanford Hospital, Palo Alto, CA (G.W.A.)
- Consortium International pour la Recherche Circadienne sur l'AVC (CIRCA) (P.M., J.S.B., A.A.N., A.M., G.W.A., P.M.R., J.L.S., M.E.Y., A.M.B.)
| | - Peter M Rothwell
- Nuffield Department of Clinical Neurosciences (A.M., P.M.R.), University of Oxford, United Kingdom
- Wolfson Centre for Prevention of Stroke and Dementia, Nuffield Department of Clinical Neurosciences (P.M.R.), University of Oxford, United Kingdom
- Consortium International pour la Recherche Circadienne sur l'AVC (CIRCA) (P.M., J.S.B., A.A.N., A.M., G.W.A., P.M.R., J.L.S., M.E.Y., A.M.B.)
| | - Jeffrey L Saver
- Department of Neurology and Comprehensive Stroke Center, Geffen School of Medicine, University of Los Angeles, CA (J.L.S.)
- Consortium International pour la Recherche Circadienne sur l'AVC (CIRCA) (P.M., J.S.B., A.A.N., A.M., G.W.A., P.M.R., J.L.S., M.E.Y., A.M.B.)
| | - Martin E Young
- Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham (M.E.Y.)
- Consortium International pour la Recherche Circadienne sur l'AVC (CIRCA) (P.M., J.S.B., A.A.N., A.M., G.W.A., P.M.R., J.L.S., M.E.Y., A.M.B.)
| | - Alastair M Buchan
- Center for Stroke Research Berlin (P.M., A.M.B.), Charité - Universitätsmedizin Berlin, Germany
- Stroke Research, Radcliffe Department of Medicine (P.M., J.S.B., A.A.N., A.M., A.M.B.), University of Oxford, United Kingdom
- Consortium International pour la Recherche Circadienne sur l'AVC (CIRCA) (P.M., J.S.B., A.A.N., A.M., G.W.A., P.M.R., J.L.S., M.E.Y., A.M.B.)
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2
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Abstract
The timing of life on Earth is remarkable: between individuals of the same species, a highly similar temporal pattern is observed, with shared periods of activity and inactivity each day. At the individual level, this means that over the course of a single day, a person alternates between two states. They are either upright, active, and communicative or they lie down in a state of (un)consciousness called sleep where even the characteristic of neuronal signals in the brain shows distinctive properties. The circadian clock governs both of these time stamps-activity and (apparent) inactivity-making them come and go consistently at the same approximate time each day. This behavior thus represents the meeting of two pervasive systems: the circadian clock and metabolism. In this article, we will describe what is known about how the circadian clock anticipates daily changes in oxygen usage, how circadian clock regulation may relate to normal physiology, and to hypoxia and ischemia that can result from pathologies such as myocardial infarction and stroke.
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Affiliation(s)
- Francesca Sartor
- Institute of Medical Psychology, Medical Faculty, LMU Munich, Germany (F.S., B.F.-B., M.M.)
| | - Borja Ferrero-Bordera
- Institute of Medical Psychology, Medical Faculty, LMU Munich, Germany (F.S., B.F.-B., M.M.)
| | - Jeffrey Haspel
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Washington University School of Medicine, St. Louis, MO (J.H.)
| | - Markus Sperandio
- Institute for Cardiovascular Physiology and Pathophysiology, Walter Brendel Center for Experimental Medicine, and the Biomedical Center (BMC), Medical Faculty, LMU Munich, Germany (M.S.)
| | - Paul M Holloway
- Radcliffe Department of Medicine, University of Oxford, United Kingdom (P.M.H.)
| | - Martha Merrow
- Institute of Medical Psychology, Medical Faculty, LMU Munich, Germany (F.S., B.F.-B., M.M.)
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3
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Li W, Tiedt S, Lawrence JH, Harrington ME, Musiek ES, Lo EH. Circadian Biology and the Neurovascular Unit. Circ Res 2024; 134:748-769. [PMID: 38484026 DOI: 10.1161/circresaha.124.323514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Accepted: 02/14/2024] [Indexed: 03/19/2024]
Abstract
Mammalian physiology and cellular function are subject to significant oscillations over the course of every 24-hour day. It is likely that these daily rhythms will affect function as well as mechanisms of disease in the central nervous system. In this review, we attempt to survey and synthesize emerging studies that investigate how circadian biology may influence the neurovascular unit. We examine how circadian clocks may operate in neural, glial, and vascular compartments, review how circadian mechanisms regulate cell-cell signaling, assess interactions with aging and vascular comorbidities, and finally ask whether and how circadian effects and disruptions in rhythms may influence the risk and progression of pathophysiology in cerebrovascular disease. Overcoming identified challenges and leveraging opportunities for future research might support the development of novel circadian-based treatments for stroke.
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Affiliation(s)
- Wenlu Li
- Neuroprotection Research Laboratories, Departments of Radiology and Neurology, Massachusetts General Hospital, Harvard Medical School, Boston (W.L., E.H.L.)
- Consortium International pour la Recherche Circadienne sur l'AVC, Munich, Germany (W.L., S.T., J.H.L., M.E.H., E.S.M., E.H.L.)
| | - Steffen Tiedt
- Consortium International pour la Recherche Circadienne sur l'AVC, Munich, Germany (W.L., S.T., J.H.L., M.E.H., E.S.M., E.H.L.)
- Institute for Stroke and Dementia Research, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany (S.T.)
| | - Jennifer H Lawrence
- Consortium International pour la Recherche Circadienne sur l'AVC, Munich, Germany (W.L., S.T., J.H.L., M.E.H., E.S.M., E.H.L.)
- Department of Neurology, Washington University School of Medicine, St. Louis, MO (J.H.L., E.S.M.)
| | - Mary E Harrington
- Consortium International pour la Recherche Circadienne sur l'AVC, Munich, Germany (W.L., S.T., J.H.L., M.E.H., E.S.M., E.H.L.)
- Neuroscience Program, Smith College, Northampton, MA (M.E.H.)
| | - Erik S Musiek
- Consortium International pour la Recherche Circadienne sur l'AVC, Munich, Germany (W.L., S.T., J.H.L., M.E.H., E.S.M., E.H.L.)
- Department of Neurology, Washington University School of Medicine, St. Louis, MO (J.H.L., E.S.M.)
| | - Eng H Lo
- Neuroprotection Research Laboratories, Departments of Radiology and Neurology, Massachusetts General Hospital, Harvard Medical School, Boston (W.L., E.H.L.)
- Consortium International pour la Recherche Circadienne sur l'AVC, Munich, Germany (W.L., S.T., J.H.L., M.E.H., E.S.M., E.H.L.)
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4
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Abstract
The brain is a complex organ, fundamentally changing across the day to perform basic functions like sleep, thought, and regulating whole-body physiology. This requires a complex symphony of nutrients, hormones, ions, neurotransmitters and more to be properly distributed across the brain to maintain homeostasis throughout 24 hours. These solutes are distributed both by the blood and by cerebrospinal fluid. Cerebrospinal fluid contents are distinct from the general circulation because of regulation at brain barriers including the choroid plexus, glymphatic system, and blood-brain barrier. In this review, we discuss the overlapping circadian (≈24-hour) rhythms in brain fluid biology and at the brain barriers. Our goal is for the reader to gain both a fundamental understanding of brain barriers alongside an understanding of the interactions between these fluids and the circadian timing system. Ultimately, this review will provide new insight into how alterations in these finely tuned clocks may lead to pathology.
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Affiliation(s)
- Velia S Vizcarra
- Center for Translational Neuromedicine, University of Rochester Medical Center, Rochester, NY, 14642, USA
| | - Ryann M Fame
- Department of Neurosurgery, Stanford University School of Medicine, Stanford, CA, 94305, USA
| | - Lauren M Hablitz
- Center for Translational Neuromedicine, University of Rochester Medical Center, Rochester, NY, 14642, USA
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Yu W, Ma J, Guo W, Xu J, Xu J, Li S, Ren C, Wu L, Wu C, Li C, Chen J, Duan J, Ma Q, Song H, Zhao W, Ji X. Night shift work was associated with functional outcomes in acute ischemic stroke patients treated with endovascular thrombectomy. Heliyon 2024; 10:e25916. [PMID: 38390161 PMCID: PMC10881325 DOI: 10.1016/j.heliyon.2024.e25916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 01/09/2024] [Accepted: 02/05/2024] [Indexed: 02/24/2024] Open
Abstract
Objective This study aimed to explore the impact of late night shift work on the functional outcomes of patients with acute ischemic stroke (AIS) treated with endovascular thrombectomy (EVT). Methods Consecutive AIS patients who underwent EVT between June 2019 and June 2021 were enrolled and divided into non-night shift work and night shift work groups based on their occupational histories. The primary outcome was the modified Rankin Scale score defined 3-month functional outcome. The secondary outcomes were 3-month mortality, symptomatic intracerebral hemorrhage (sICH), ICH and early recanalization. Results A total of 285 patients were enrolled, 35 patients (12.3%) were night shift workers, who were younger (P < 0.001) and had a significantly higher prevalence of smoking (P < 0.001), hyperlipidemia (P = 0.002), coronary heart disease (P = 0.031), and atrial fibrillation (P < 0.001). The 3-month favorable outcomes were achieved in 44.8% and 25.7% of patients in the non-night shift work and night shift work groups, respectively (adjusted odds ratio [OR]: 0.24, 95% CI: 0.10-0.57; adjusted P = 0.001). No difference was found in 3-month mortality (adjusted OR: 0.43; 95% CI: 0.14-1.25, adjusted P = 0.121), rates of ICH (adjusted OR: 0.73; 95% CI: 0.33-1.60; adjusted P = 0.430), sICH (adjusted OR: 0.75; 95% CI: 0.34-1.67; adjusted P = 0.487), or early successful recanalization (adjusted OR: 0.42; 95% CI: 0.12-1.56; adjusted P = 0.197). These results were consistent after PSM analysis. Conclusion Our findings suggest that late night shift work is significantly associated with unfavorable outcomes in patients with AIS after EVT.
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Affiliation(s)
- Wantong Yu
- Department of Neurology, Xuanwu Hospital, Capital Medical University Beijing, China
- Beijing Key Laboratory of Hypoxia Translational Medicine, Xuanwu Hospital, Capital Medical University Beijing, China
| | - Jin Ma
- Department of Neurology, Xuanwu Hospital, Capital Medical University Beijing, China
| | - Wenting Guo
- Department of Neurology, Xuanwu Hospital, Capital Medical University Beijing, China
| | - Jiali Xu
- Department of Neurology, Xuanwu Hospital, Capital Medical University Beijing, China
| | - Jun Xu
- Beijing Key Laboratory of Hypoxia Translational Medicine, Xuanwu Hospital, Capital Medical University Beijing, China
| | - Sijie Li
- Beijing Key Laboratory of Hypoxia Translational Medicine, Xuanwu Hospital, Capital Medical University Beijing, China
- Department of Emergency, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Changhong Ren
- Beijing Key Laboratory of Hypoxia Translational Medicine, Xuanwu Hospital, Capital Medical University Beijing, China
| | - Longfei Wu
- Department of Neurology, Xuanwu Hospital, Capital Medical University Beijing, China
| | - Chuanjie Wu
- Department of Neurology, Xuanwu Hospital, Capital Medical University Beijing, China
| | - Chuanhui Li
- Beijing Key Laboratory of Hypoxia Translational Medicine, Xuanwu Hospital, Capital Medical University Beijing, China
| | - Jian Chen
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Jiangang Duan
- Department of Emergency, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Qingfeng Ma
- Department of Neurology, Xuanwu Hospital, Capital Medical University Beijing, China
| | - Haiqing Song
- Department of Neurology, Xuanwu Hospital, Capital Medical University Beijing, China
| | - Wenbo Zhao
- Department of Neurology, Xuanwu Hospital, Capital Medical University Beijing, China
- Beijing Key Laboratory of Hypoxia Translational Medicine, Xuanwu Hospital, Capital Medical University Beijing, China
| | - Xunming Ji
- Department of Neurology, Xuanwu Hospital, Capital Medical University Beijing, China
- Beijing Key Laboratory of Hypoxia Translational Medicine, Xuanwu Hospital, Capital Medical University Beijing, China
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- Center of Stroke, Beijing Institute for Brain Disorder, Capital Medical University, Beijing, China
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6
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Singh B, Huang D. The Role of Circadian Rhythms in Stroke: A Narrative Review. Neurochem Res 2024; 49:290-305. [PMID: 37838637 DOI: 10.1007/s11064-023-04040-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Revised: 09/12/2023] [Accepted: 09/24/2023] [Indexed: 10/16/2023]
Abstract
Stroke, a debilitating condition often leading to long-term disability, poses a substantial global concern and formidable challenge. The increasing incidence of stroke has drawn the attention of medical researchers and neurologists worldwide. Circadian rhythms have emerged as pivotal factors influencing stroke's onset, pathogenesis, treatment, and outcomes. To gain deeper insights into stroke, it is imperative to explore the intricate connection between circadian rhythms and stroke, spanning from molecular mechanisms to pathophysiological processes. Despite existing studies linking circadian rhythm to stroke onset, there remains a paucity of comprehensive reviews exploring its role in pathogenesis, treatment, and prognosis. This review undertakes a narrative analysis of studies investigating the relationship between circadian variation and stroke onset. It delves into the roles of various physiological factors, including blood pressure, coagulation profiles, blood cells, catecholamines, cortisol, and the timing of antihypertensive medication, which contribute to variations in circadian-related stroke risk. At a molecular level, the review elucidates the involvement of melatonin, circadian genes, and glial cells in the pathophysiology. Furthermore, it provides insights into the diverse factors influencing stroke treatment and outcomes within the context of circadian variation. The review underscores the importance of considering circadian rhythms when determining the timing of stroke interventions, emphasizing the necessity for personalized stroke management strategies that incorporate circadian rhythms. It offers valuable insights into potential molecular targets and highlights areas that require further exploration to enhance our understanding of the underlying pathophysiology. In comparison to the published literature, this manuscript distinguishes itself through its coverage of circadian rhythms' impact on stroke across the entire clinical spectrum. It presents a unique synthesis of epidemiological, clinical, molecular, and cellular evidence, underscoring their collective significance.
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Affiliation(s)
- Bivek Singh
- Department of Neurology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.
- Department of Medicine, National Cardiac Centre, Basundhara, Kathmandu, , Bagmati Province, Nepal.
| | - Dongya Huang
- Department of Neurology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
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Wang Y, Du W, Hu X, Yu X, Guo C, Jin X, Wang W. Targeting the blood-brain barrier to delay aging-accompanied neurological diseases by modulating gut microbiota, circadian rhythms, and their interplays. Acta Pharm Sin B 2023; 13:4667-4687. [PMID: 38045038 PMCID: PMC10692395 DOI: 10.1016/j.apsb.2023.08.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 07/05/2023] [Accepted: 08/02/2023] [Indexed: 12/05/2023] Open
Abstract
The blood-brain barrier (BBB) impairment plays a crucial role in the pathological processes of aging-accompanied neurological diseases (AAND). Meanwhile, circadian rhythms disruption and gut microbiota dysbiosis are associated with increased morbidity of neurological diseases in the accelerated aging population. Importantly, circadian rhythms disruption and gut microbiota dysbiosis are also known to induce the generation of toxic metabolites and pro-inflammatory cytokines, resulting in disruption of BBB integrity. Collectively, this provides a new perspective for exploring the relationship among circadian rhythms, gut microbes, and the BBB in aging-accompanied neurological diseases. In this review, we focus on recent advances in the interplay between circadian rhythm disturbances and gut microbiota dysbiosis, and their potential roles in the BBB disruption that occurs in AAND. Based on existing literature, we discuss and propose potential mechanisms underlying BBB damage induced by dysregulated circadian rhythms and gut microbiota, which would serve as the basis for developing potential interventions to protect the BBB in the aging population through targeting the BBB by exploiting its links with gut microbiota and circadian rhythms for treating AAND.
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Affiliation(s)
- Yanping Wang
- Department of Neurology, the Second Affiliated Hospital of Jiaxing City, Jiaxing 314000, China
| | - Weihong Du
- Beijing Key Laboratory of Cancer Invasion and Metastasis Research, Department of Histology and Embryology, School of Basic Medical Sciences, Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing 100069, China
| | - Xiaoyan Hu
- Beijing Key Laboratory of Cancer Invasion and Metastasis Research, Department of Histology and Embryology, School of Basic Medical Sciences, Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing 100069, China
| | - Xin Yu
- Bengbu Medical College (Department of Neurology, the Second Hospital of Jiaxing City), Jiaxing 233030, China
| | - Chun Guo
- School of Biosciences, University of Sheffield, Sheffield S10 2TN, UK
| | - Xinchun Jin
- Beijing Key Laboratory of Cancer Invasion and Metastasis Research, Department of Histology and Embryology, School of Basic Medical Sciences, Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing 100069, China
| | - Wei Wang
- Department of Physiology and Pathophysiology, Capital Medical University, Beijing 100069, China
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8
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Mitchell JW, Gillette MU. Development of circadian neurovascular function and its implications. Front Neurosci 2023; 17:1196606. [PMID: 37732312 PMCID: PMC10507717 DOI: 10.3389/fnins.2023.1196606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 08/14/2023] [Indexed: 09/22/2023] Open
Abstract
The neurovascular system forms the interface between the tissue of the central nervous system (CNS) and circulating blood. It plays a critical role in regulating movement of ions, small molecules, and cellular regulators into and out of brain tissue and in sustaining brain health. The neurovascular unit (NVU), the cells that form the structural and functional link between cells of the brain and the vasculature, maintains the blood-brain interface (BBI), controls cerebral blood flow, and surveils for injury. The neurovascular system is dynamic; it undergoes tight regulation of biochemical and cellular interactions to balance and support brain function. Development of an intrinsic circadian clock enables the NVU to anticipate rhythmic changes in brain activity and body physiology that occur over the day-night cycle. The development of circadian neurovascular function involves multiple cell types. We address the functional aspects of the circadian clock in the components of the NVU and their effects in regulating neurovascular physiology, including BBI permeability, cerebral blood flow, and inflammation. Disrupting the circadian clock impairs a number of physiological processes associated with the NVU, many of which are correlated with an increased risk of dysfunction and disease. Consequently, understanding the cell biology and physiology of the NVU is critical to diminishing consequences of impaired neurovascular function, including cerebral bleeding and neurodegeneration.
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Affiliation(s)
- Jennifer W. Mitchell
- Department of Cell and Developmental Biology, University of Illinois Urbana-Champaign, Urbana, IL, United States
- Neuroscience Program, University of Illinois Urbana-Champaign, Urbana, IL, United States
- Beckman Institute for Advanced Science and Technology, University of Illinois Urbana-Champaign, Urbana, IL, United States
| | - Martha U. Gillette
- Department of Cell and Developmental Biology, University of Illinois Urbana-Champaign, Urbana, IL, United States
- Neuroscience Program, University of Illinois Urbana-Champaign, Urbana, IL, United States
- Beckman Institute for Advanced Science and Technology, University of Illinois Urbana-Champaign, Urbana, IL, United States
- Department of Molecular and Integrative Physiology, University of Illinois Urbana-Champaign, Urbana, IL, United States
- Carle-Illinois College of Medicine, University of Illinois Urbana-Champaign, Urbana, IL, United States
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9
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Zhang Y, Zhao X, Guo C, Zhang Y, Zeng F, Yin Q, Li Z, Shao L, Zhou D, Liu L. The Circadian System Is Essential for the Crosstalk of VEGF-Notch-mediated Endothelial Angiogenesis in Ischemic Stroke. Neurosci Bull 2023; 39:1375-1395. [PMID: 36862341 PMCID: PMC10465432 DOI: 10.1007/s12264-023-01042-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 12/18/2022] [Indexed: 03/03/2023] Open
Abstract
Ischemic stroke is a major public health problem worldwide. Although the circadian clock is involved in the process of ischemic stroke, the exact mechanism of the circadian clock in regulating angiogenesis after cerebral infarction remains unclear. In the present study, we determined that environmental circadian disruption (ECD) increased the stroke severity and impaired angiogenesis in the rat middle cerebral artery occlusion model, by measuring the infarct volume, neurological tests, and angiogenesis-related protein. We further report that Bmal1 plays an irreplaceable role in angiogenesis. Overexpression of Bmal1 promoted tube-forming, migration, and wound healing, and upregulated the vascular endothelial growth factor (VEGF) and Notch pathway protein levels. This promoting effect was reversed by the Notch pathway inhibitor DAPT, according to the results of angiogenesis capacity and VEGF pathway protein level. In conclusion, our study reveals the intervention of ECD in angiogenesis in ischemic stroke and further identifies the exact mechanism by which Bmal1 regulates angiogenesis through the VEGF-Notch1 pathway.
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Affiliation(s)
- Yuxing Zhang
- Department of Neurology, The First Hospital of Hunan University of Chinese Medicine, Changsha, 410007, China
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Changsha, 410208, China
- Hunan University of Chinese Medicine, Changsha, 410006, China
| | - Xin Zhao
- Hunan University of Chinese Medicine, Changsha, 410006, China
| | - Chun Guo
- Department of Neurology, The First Hospital of Hunan University of Chinese Medicine, Changsha, 410007, China
| | - Ying Zhang
- Department of Neurology, The First Hospital of Hunan University of Chinese Medicine, Changsha, 410007, China
- Hunan University of Chinese Medicine, Changsha, 410006, China
| | - Fukang Zeng
- Department of Neurology, The First Hospital of Hunan University of Chinese Medicine, Changsha, 410007, China
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Changsha, 410208, China
- Hunan University of Chinese Medicine, Changsha, 410006, China
| | - Qian Yin
- Hunan University of Chinese Medicine, Changsha, 410006, China
| | - Zhong Li
- Department of Neurology, The First Hospital of Hunan University of Chinese Medicine, Changsha, 410007, China
| | - Le Shao
- Hunan University of Chinese Medicine, Changsha, 410006, China
- Laboratory of Prevention and Transformation of Major Diseases in Internal Medicine of Traditional Chinese Medicine, Changsha, 410007, China
| | - Desheng Zhou
- Department of Neurology, The First Hospital of Hunan University of Chinese Medicine, Changsha, 410007, China.
| | - Lijuan Liu
- Department of Neurology, The First Hospital of Hunan University of Chinese Medicine, Changsha, 410007, China.
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10
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Li H, Gao M, Song H, Wu X, Li G, Cui Y, Li Y, Xie Z, Ren Q, Zhang H. Predicting ischemic stroke risk from atrial fibrillation based on multi-spectral fundus images using deep learning. Front Cardiovasc Med 2023; 10:1185890. [PMID: 37600060 PMCID: PMC10434281 DOI: 10.3389/fcvm.2023.1185890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 06/05/2023] [Indexed: 08/22/2023] Open
Abstract
Background Ischemic stroke (IS) is one of the most common serious secondary diseases of atrial fibrillation (AF) within 1 year after its occurrence, both of which have manifestations of ischemia and hypoxia of the small vessels in the early phase of the condition. The fundus is a collection of capillaries, while the retina responds differently to light of different wavelengths. Predicting the risk of IS occurring secondary to AF, based on subtle differences in fundus images of different wavelengths, is yet to be explored. This study was conducted to predict the risk of IS occurring secondary to AF based on multi-spectrum fundus images using deep learning. Methods A total of 150 AF participants without suffering from IS within 1 year after discharge and 100 IS participants with persistent arrhythmia symptoms or a history of AF diagnosis in the last year (defined as patients who would develop IS within 1 year after AF, based on fundus pathological manifestations generally prior to symptoms of the brain) were recruited. Fundus images at 548, 605, and 810 nm wavelengths were collected. Three classical deep neural network (DNN) models (Inception V3, ResNet50, SE50) were trained. Sociodemographic and selected routine clinical data were obtained. Results The accuracy of all DNNs with the single-spectral or multi-spectral combination images at the three wavelengths as input reached above 78%. The IS detection performance of DNNs with 605 nm spectral images as input was relatively more stable than with the other wavelengths. The multi-spectral combination models acquired a higher area under the curve (AUC) scores than the single-spectral models. Conclusions The probability of IS secondary to AF could be predicted based on multi-spectrum fundus images using deep learning, and combinations of multi-spectrum images improved the performance of DNNs. Acquiring different spectral fundus images is advantageous for the early prevention of cardiovascular and cerebrovascular diseases. The method in this study is a beneficial preliminary and initiative exploration for diseases that are difficult to predict the onset time such as IS.
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Affiliation(s)
- Hui Li
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, China
- Institute of Biomedical Engineering, Peking University Shenzhen Graduate School, Shenzhen, China
- Shenzhen Bay Laboratory, Institute of Biomedical Engineering, Shenzhen, China
- National Biomedical Imaging Center, Peking University, Beijing, China
- Institute of Medical Technology, Peking University Health Science Center, Peking University, Beijing, China
| | - Mengdi Gao
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, China
- Institute of Biomedical Engineering, Peking University Shenzhen Graduate School, Shenzhen, China
- Shenzhen Bay Laboratory, Institute of Biomedical Engineering, Shenzhen, China
- National Biomedical Imaging Center, Peking University, Beijing, China
- Institute of Medical Technology, Peking University Health Science Center, Peking University, Beijing, China
| | - Haiqing Song
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Xiao Wu
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Gang Li
- Department of Cardiology, Beijing Yanhua Hospital, Beijing, China
| | - Yiwei Cui
- Department of Cardiology, Beijing Yanhua Hospital, Beijing, China
| | - Yang Li
- Department of Cardiology, Beijing Yanhua Hospital, Beijing, China
| | - Zhaoheng Xie
- Institute of Biomedical Engineering, Peking University Shenzhen Graduate School, Shenzhen, China
- Shenzhen Bay Laboratory, Institute of Biomedical Engineering, Shenzhen, China
- National Biomedical Imaging Center, Peking University, Beijing, China
- Institute of Medical Technology, Peking University Health Science Center, Peking University, Beijing, China
| | - Qiushi Ren
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, China
- Institute of Biomedical Engineering, Peking University Shenzhen Graduate School, Shenzhen, China
- Shenzhen Bay Laboratory, Institute of Biomedical Engineering, Shenzhen, China
- National Biomedical Imaging Center, Peking University, Beijing, China
- Institute of Medical Technology, Peking University Health Science Center, Peking University, Beijing, China
| | - Haitao Zhang
- Cardio-Metabolic Medicine Center, Fuwai Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
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11
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Noriega‐Navarro R, Martínez‐Tapia RJ, González‐Rivera R, Ochoa‐Sánchez A, Abarca‐Magaña JC, Landa‐Navarro L, Rodríguez‐Mata V, Ugalde‐Muñiz P, Pérez‐Torres A, Landa A, Navarro L. The effect of thioredoxin-1 in a rat model of traumatic brain injury depending on diurnal variation. Brain Behav 2023; 13:e3031. [PMID: 37157915 PMCID: PMC10275561 DOI: 10.1002/brb3.3031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 03/17/2023] [Accepted: 04/17/2023] [Indexed: 05/10/2023] Open
Abstract
INTRODUCTION Traumatic brain injury (TBI) is a public health concern with limited treatment options because it causes a cascade of side effects that are the leading cause of hospital death. Thioredoxin is an enzyme with neuroprotective properties such as antioxidant, antiapoptotic, immune response modulator, and neurogenic, among others; it has been considered a therapeutic target for treating many disorders. METHODS The controlled cortical impact (CCI) model was used to assess the effect of recombinant human thioredoxin 1 (rhTrx1) (1 μg/2 μL, intracortical) on rats subjected to TBI at two different times of the light-dark cycle (01:00 and 13:00 h). We analyzed the food intake, body weight loss, motor coordination, pain perception, and histology in specific hippocampus (CA1, CA2, CA3, and Dental Gyrus) and striatum (caudate-putamen) areas. RESULTS Body weight loss, reduced food intake, spontaneous pain, motor impairment, and neuronal damage in specific hippocampus and striatum regions are more evident in rats subjected to TBI in the light phase than in the dark phase of the cycle and in groups that did not receive rhTrx1 or minocycline (as positive control). Three days after TBI, there is a recovery in body weight, food intake, motor impairment, and pain, which is more pronounced in the rats subjected to TBI at the dark phase of the cycle and those that received rhTrx1 or minocycline. CONCLUSIONS Knowing the time of day a TBI occurs in connection to the neuroprotective mechanisms of the immune response in diurnal variation and the usage of the Trx1 protein might have a beneficial therapeutic impact in promoting quick recovery after a TBI.
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Affiliation(s)
- Roxana Noriega‐Navarro
- Departamento de Fisiología, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
| | | | - Rubén González‐Rivera
- Departamento de Fisiología, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
| | - Alicia Ochoa‐Sánchez
- Departamento de Microbiología y Parasitología, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
| | - Julio César Abarca‐Magaña
- Departamento de Fisiología, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
| | - Lucía Landa‐Navarro
- Simons Initiative for the Developing Brain, Centre for Discovery Brain SciencesUniversity of EdinburghEdinburghUK
| | - Verónica Rodríguez‐Mata
- Departamento de Biología Celular y Tisular, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
| | - Perla Ugalde‐Muñiz
- Departamento de Fisiología, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
| | - Armando Pérez‐Torres
- Departamento de Biología Celular y Tisular, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
| | - Abraham Landa
- Departamento de Microbiología y Parasitología, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
| | - Luz Navarro
- Departamento de Fisiología, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
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12
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Gao L, Zheng X, Baker SN, Li P, Scheer FAJL, Nogueira RC, Hu K. Associations of rest-activity rhythm disturbances with stroke risk and post-stroke adverse outcomes. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.05.14.23289966. [PMID: 37292791 PMCID: PMC10246053 DOI: 10.1101/2023.05.14.23289966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Background Almost all biological and disease processes are influenced by circadian clocks and display ∼24-hour rhythms. Disruption of these rhythms may be an important novel risk factor for stroke. We evaluated the association between 24-h rest-activity rhythm measures, stroke risk, and major post-stroke adverse outcomes. Methods In this cohort study, we examined ∼100,000 participants in the UK Biobank (44-79 years old; ∼57% females) who underwent an actigraphy (6-7 days) and 5-year median follow-up. We derived: (1) most active 10 hours activity counts ( M10 ) across the 24-h cycle and the timing of its midpoint ( M10 midpoint ); (2) the least active 5 hours counts ( L5 ) and its midpoint timing ( L5 midpoint ); (3) relative amplitude ( RA ) - (M10-L5)/(M10+L5); (4) interdaily stability (IS): stability and (5) intradaily variability (IV), fragmentation of the rhythm. Cox proportional hazard models were constructed for time to (i) incident stroke (n=1,652); and (ii) post-stroke adverse outcomes (dementia, depression, disability, or death). Results Suppressed RA (lower M10 and higher L5) was associated with stroke risk after adjusting for demographics; the risk was highest in the lowest quartile [Q1] for RA (HR=1.62; 95% CI:1.36-1.93, p <0.001) compared to the top quartile [Q4]. Participants with later M10 midpoint timing (14:00-15:26, HR=1.26, CI:1.07-1.49, p =0.007) also had a higher risk for stroke than earlier (12:17-13:10) participants. A fragmented rhythm (IV) was also associated with a higher risk for stroke (Q4 vs. Q1; HR=1.27; CI:1.06-1.50, p =0.008), but differences in the stability of rhythms (IS) were not. Suppressed RA was associated with an increased risk of unfavorable post-stroke outcomes (Q1 vs. Q4; 1.78 [1.29-2.47]; p <0.001). All the associations were independent of age, sex, race, obesity, sleep disorders, cardiovascular diseases or risks, and other morbidity burdens. Conclusion Suppressed 24-h rest-activity rhythm may be a risk factor for stroke and an early indicator of major post-stroke adverse outcomes.
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13
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Sheng M, Chen X, Yu Y, Wu Q, Kou J, Chen G. Rev-erbα agonist SR9009 protects against cerebral ischemic injury through mechanisms involving Nrf2 pathway. Front Pharmacol 2023; 14:1102567. [PMID: 37063298 PMCID: PMC10102520 DOI: 10.3389/fphar.2023.1102567] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Accepted: 02/08/2023] [Indexed: 04/03/2023] Open
Abstract
Backgrounds: The circadian clock protein Rev-erbα is a crucial regulator of circadian rhythms that affects multiple molecular, cellular, and physiology pathways that control susceptibility, injury, and recovery in the neurological disorders. Emerging evidence suggest that Rev-erbα plays a key role in the inflammation and oxidative stress, two pivotal mechanisms in the pathogenesis, progression, and recovery process of ischemic stroke. However, it remains inconclusive whether Rev-erbα activation is protective against ischemic brain damage. Nuclear factor erythroid 2-related factor 2 (Nrf2) pathway, a master regulator of inflammatory and oxidative responses. Our study aimed to determine whether pharmacological activation of Rev-erbα by SR9009 protects against acute ischemic brain damage partly via Nrf2 pathway.Methods: Adult mice were pretreated with SR9009 or Nrf2 inhibitor all-trans-retinoic acid (ATRA) for 3 days prior to Sham or middle cerebral artery occlusion (MCAO) operation. After ischemia for 1 h and reperfusion for 24 h, the neurological function and cerebral infarction volume were determined, superoxide dismutase (SOD) activity, malondialdehyde (MDA) content and glutathione peroxidase (GSH-PX) activity in serum were detected by kit. The mRNA and/or protein level of tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), inducible nitric oxide synthase (iNOS), Period (Per)1, Brain and muscle arnt-like1 (Bmal1), Circadian locomotor output cycles kaput (Clock), Rev-erbα, Nrf2, heme oxygenase-1 (HO-1) and quinone oxidoreductase 1 (NQO1) in cerebral cortex were detected by q-PCR and Western blot.Results: We confirmed that SR9009 activated Rev-erbα gene in the cerebral cortex under basal condition. At 24 h after reperfusion, SR9009 ameliorated acute neurological deficits, reduced infarct volume. Meanwhile, the inflammatory TNF-α, IL-1β, iNOS and MDA content levels were significant decreased, SOD and GSH-PX activity were obviously increased, which were markedly blunted (or abolished) by ATRA. SR9009 enhanced the induction of Nrf2 and its downstream target genes HO-1 and NQO1 after ischemic insult. In addition, we found that SR9009 restored Rev-erbα, Bmal1, Clock, Per1 genes expression in the cerebral cortex under ischemic condition.Conclusion: Taken together, Rev-erbα activation by SR9009 protects against ischemic stroke damage, at least, partly through Nrf2 pathway.
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Affiliation(s)
- Mingyue Sheng
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Xun Chen
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Yan Yu
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Qi Wu
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Junping Kou
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
- *Correspondence: Gangling Chen, ; Junping Kou,
| | - Gangling Chen
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
- *Correspondence: Gangling Chen, ; Junping Kou,
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14
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Yoo SH. Circadian regulation of cardiac muscle function and protein degradation. Chronobiol Int 2023; 40:4-12. [PMID: 34521283 PMCID: PMC8918439 DOI: 10.1080/07420528.2021.1957911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 07/12/2021] [Accepted: 07/13/2021] [Indexed: 10/20/2022]
Abstract
The circadian clock plays a fundamental role in physiology. In particular, the heart is a target organ where the clock orchestrates various aspects of cardiac function. At the molecular level, the clock machinery governs daily rhythms of gene expression. Such circadian regulation is in tune with the dynamic nature of heart structure and function, and provides the foundation for chronotherapeutic applications in cardiovascular diseases. In comparison, a regulatory role of the clock in cardiac protein degradation is poorly documented. Sarcomere is the structural and functional unit responsible for cardiac muscle contraction, and sarcomere components are closely regulated by protein folding and proteolysis. Emerging evidence supports a role of the circadian clock in governing sarcomere integrity and function. Particularly, recent studies uncovered a circadian regulation of a core sarcomere component TCAP. It is possible that circadian regulation of the cardiac muscle protein turnover is a key regulatory mechanism underlying cardiac remodeling in response to physiological and environmental stimuli. While the detailed regulatory mechanisms and the molecular links to cardiac (patho)physiology remain to be further studied, therapeutic strategies targeting circadian control in the heart may markedly enhance intervention outcomes against cardiovascular disease.
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Affiliation(s)
- Seung-Hee Yoo
- Department of Biochemistry and Molecular Biology, The University of Texas Health Science Center at Houston, Houston, Texas, USA
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15
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He Y, B'nai Taub A, Yu L, Yao Y, Zhang R, Zahr T, Aaron N, LeSauter J, Fan L, Liu L, Tazebay R, Que J, Pajvani U, Wang L, Silver R, Qiang L. PPARγ Acetylation Orchestrates Adipose Plasticity and Metabolic Rhythms. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2204190. [PMID: 36394167 PMCID: PMC9839851 DOI: 10.1002/advs.202204190] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 10/13/2022] [Indexed: 05/28/2023]
Abstract
Systemic glucose metabolism and insulin activity oscillate in response to diurnal rhythms and nutrient availability with the necessary involvement of adipose tissue to maintain metabolic homeostasis. However, the adipose-intrinsic regulatory mechanism remains elusive. Here, the dynamics of PPARγ acetylation in adipose tissue are shown to orchestrate metabolic oscillation in daily rhythms. Acetylation of PPARγ displays a diurnal rhythm in young healthy mice, with the peak at zeitgeber time 0 (ZT0) and the trough at ZT18. This rhythmic pattern is deranged in pathological conditions such as obesity, aging, and circadian disruption. The adipocyte-specific acetylation-mimetic mutation of PPARγ K293Q (aKQ) restrains adipose plasticity during calorie restriction and diet-induced obesity, associated with proteolysis of a core circadian component BMAL1. Consistently, the rhythmicity in glucose tolerance and insulin sensitivity is altered in aKQ and the complementary PPARγ deacetylation-mimetic K268R/K293R (2KR) mouse models. Furthermore, the PPARγ acetylation-sensitive downstream target adipsin is revealed as a novel diurnal factor that destabilizes BMAL1 and mediates metabolic rhythms. These findings collectively signify that PPARγ acetylation is a hinge connecting adipose plasticity and metabolic rhythms, the two determinants of metabolic health.
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Affiliation(s)
- Ying He
- Naomi Berrie Diabetes Center, Columbia UniversityNew YorkNY10032USA
- Department of Pathology and Cell BiologyColumbia UniversityNew YorkNY10032USA
| | | | - Lexiang Yu
- Naomi Berrie Diabetes Center, Columbia UniversityNew YorkNY10032USA
- Department of Pathology and Cell BiologyColumbia UniversityNew YorkNY10032USA
| | - Yifan Yao
- Department of NeuroscienceBarnard CollegeNew YorkNY10027USA
| | - Ruotong Zhang
- Naomi Berrie Diabetes Center, Columbia UniversityNew YorkNY10032USA
- Department of Pathology and Cell BiologyColumbia UniversityNew YorkNY10032USA
| | - Tarik Zahr
- Naomi Berrie Diabetes Center, Columbia UniversityNew YorkNY10032USA
- Department of Molecular Pharmacology and TherapeuticsColumbia UniversityNew YorkNY10032USA
| | - Nicole Aaron
- Naomi Berrie Diabetes Center, Columbia UniversityNew YorkNY10032USA
- Department of Molecular Pharmacology and TherapeuticsColumbia UniversityNew YorkNY10032USA
| | | | - Lihong Fan
- Naomi Berrie Diabetes Center, Columbia UniversityNew YorkNY10032USA
- Department of Pathology and Cell BiologyColumbia UniversityNew YorkNY10032USA
| | - Longhua Liu
- Naomi Berrie Diabetes Center, Columbia UniversityNew YorkNY10032USA
- Department of Pathology and Cell BiologyColumbia UniversityNew YorkNY10032USA
| | - Ruya Tazebay
- Department of NeuroscienceBarnard CollegeNew YorkNY10027USA
| | - Jianwen Que
- Department of MedicineColumbia UniversityNew YorkNY10032USA
| | - Utpal Pajvani
- Naomi Berrie Diabetes Center, Columbia UniversityNew YorkNY10032USA
- Department of MedicineColumbia UniversityNew YorkNY10032USA
| | - Liheng Wang
- The DiabetesObesity and Metabolism InstituteThe Icahn School of Medicine at Mount SinaiNew YorkNY10029USA
| | - Rae Silver
- Department of Pathology and Cell BiologyColumbia UniversityNew YorkNY10032USA
- Department of PsychologyColumbia UniversityNew YorkNY10027USA
- Department of NeuroscienceBarnard CollegeNew YorkNY10027USA
| | - Li Qiang
- Naomi Berrie Diabetes Center, Columbia UniversityNew YorkNY10032USA
- Department of Pathology and Cell BiologyColumbia UniversityNew YorkNY10032USA
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Association of circadian rhythms with brain disorder incidents: a prospective cohort study of 72242 participants. Transl Psychiatry 2022; 12:514. [PMID: 36517471 PMCID: PMC9751105 DOI: 10.1038/s41398-022-02278-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 11/26/2022] [Accepted: 11/30/2022] [Indexed: 12/23/2022] Open
Abstract
Circadian rhythm disruption (CRD) is a shared characteristic of various brain disorders, such as Alzheimer's disease (AD), Parkinson's disease (PD), and major depression disorder (MDD). Disruption of circadian rhythm might be a risk factor for brain disorder incidents. From 7-day accelerometry data of 72,242 participants in UK Biobank, we derived a circadian relative amplitude variable, which to some extent reflected the degree of circadian rhythm disruption. Records of brain disorder incidents were obtained from a wide range of health outcomes across self-report, primary care, hospital inpatient data, and death data. Using multivariate Cox proportional hazard ratio regression, we created two models adjusting for different covariates. Then, linear correlations between relative amplitude and several brain morphometric measures were examined in participants with brain MRI data. After a median follow-up of around 6.1 years, 72,242 participants were included in the current study (female 54.9%; mean age 62.1 years). Individuals with reduced relative amplitude had increasing risk of all-cause dementia (Hazard ratio 1.23 [95% CI 1.15 to 1.31]), PD (1.33 [1.25 to 1.41]), stroke (1.13 [1.06 to 1.22]), MDD (1.18 [1.13 to 1.23]), and anxiety disorder (1.14 [1.09 to 1.20]) in fully adjusted models. Additionally, significant correlations were found between several cortical regions and white matter tracts and relative amplitude that have been linked to dementia and psychiatric disorders. We confirm CRD to be a risk factor for various brain disorders. Interventions for regulating circadian rhythm may have clinical relevance to reducing the risk of various brain disorders.
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Zhang Y, Zhao X, Zhang Y, Zeng F, Yan S, Chen Y, Li Z, Zhou D, Liu L. The role of circadian clock in astrocytes: From cellular functions to ischemic stroke therapeutic targets. Front Neurosci 2022; 16:1013027. [PMID: 36570843 PMCID: PMC9772621 DOI: 10.3389/fnins.2022.1013027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Accepted: 11/10/2022] [Indexed: 12/14/2022] Open
Abstract
Accumulating evidence suggests that astrocytes, the abundant cell type in the central nervous system (CNS), play a critical role in maintaining the immune response after cerebral infarction, regulating the blood-brain barrier (BBB), providing nutrients to the neurons, and reuptake of glutamate. The circadian clock is an endogenous timing system that controls and optimizes biological processes. The central circadian clock and the peripheral clock are consistent, controlled by various circadian components, and participate in the pathophysiological process of astrocytes. Existing evidence shows that circadian rhythm controls the regulation of inflammatory responses by astrocytes in ischemic stroke (IS), regulates the repair of the BBB, and plays an essential role in a series of pathological processes such as neurotoxicity and neuroprotection. In this review, we highlight the importance of astrocytes in IS and discuss the potential role of the circadian clock in influencing astrocyte pathophysiology. A comprehensive understanding of the ability of the circadian clock to regulate astrocytes after stroke will improve our ability to predict the targets and biological functions of the circadian clock and gain insight into the basis of its intervention mechanism.
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Affiliation(s)
- Yuxing Zhang
- Department of Neurology, The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China,The Graduate School, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Xin Zhao
- The Medical School, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Ying Zhang
- Department of Neurology, The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China,The Graduate School, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Fukang Zeng
- Department of Neurology, The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China,The Graduate School, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Siyang Yan
- Department of Neurology, The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Yao Chen
- Department of Neurology, The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Zhong Li
- Department of Neurology, The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Desheng Zhou
- Department of Neurology, The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China,Desheng Zhou,
| | - Lijuan Liu
- Department of Neurology, The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China,*Correspondence: Lijuan Liu,
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18
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Zhang Y, Liu L, Zhao X, Yan S, Zeng F, Zhou D. New insight into ischemic stroke: Circadian rhythm in post-stroke angiogenesis. Front Pharmacol 2022; 13:927506. [PMID: 36016550 PMCID: PMC9395980 DOI: 10.3389/fphar.2022.927506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 07/07/2022] [Indexed: 11/29/2022] Open
Abstract
The circadian rhythm is an endogenous clock system that coordinates and optimizes various physiological and pathophysiological processes, which accord with the master and the peripheral clock. Increasing evidence indicates that endogenous circadian rhythm disruption is involved in the lesion volume and recovery of ischemic stroke. As a critical recovery mechanism in post-stroke, angiogenesis reestablishes the regional blood supply and enhances cognitive and behavioral abilities, which is mainly composed of the following processes: endothelial cell proliferation, migration, and pericyte recruitment. The available evidence revealed that the circadian governs many aspects of angiogenesis. This study reviews the mechanism by which circadian rhythms regulate the process of angiogenesis and its contribution to functional recovery in post-stroke at the aspects of the molecular level. A comprehensive understanding of the circadian clock regulating angiogenesis in post-stroke is expected to develop new strategies for the treatment of cerebral infarction.
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Affiliation(s)
- Yuxing Zhang
- The Graduate School, Hunan University of Chinese Medicine, Changsha, Hunan, China
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Changsha, China
| | - Lijuan Liu
- Department of Neurology, The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Xin Zhao
- The Medical School, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Siyang Yan
- Department of Neurology, The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Fukang Zeng
- The Graduate School, Hunan University of Chinese Medicine, Changsha, Hunan, China
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Changsha, China
| | - Desheng Zhou
- Department of Neurology, The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
- *Correspondence: Desheng Zhou,
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Zhang Y, Cordina-Duverger E, Komarzynski S, Attari AM, Huang Q, Aristizabal G, Faraut B, Léger D, Adam R, Guénel P, Brettschneider JA, Finkenstädt BF, Lévi F. Digital circadian and sleep health in individual hospital shift workers: A cross sectional telemonitoring study. EBioMedicine 2022; 81:104121. [PMID: 35772217 PMCID: PMC9253495 DOI: 10.1016/j.ebiom.2022.104121] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 05/25/2022] [Accepted: 06/07/2022] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Telemonitoring of circadian and sleep cycles could identify shift workers at increased risk of poor health, including cancer and cardiovascular diseases, thus supporting personalized prevention. METHODS The Circadiem cross-sectional study aimed at determining early warning signals of risk of health alteration in hospital nightshifters (NS) versus dayshifters (DS, alternating morning and afternoon shifts). Circadian rhythmicity in activity, sleep, and temperature was telemonitored on work and free days for one week. Participants wore a bluetooth low energy thoracic accelerometry and temperature sensor that was wirelessly connected to a GPRS gateway and a health data hub server. Hidden Markov modelling of activity quantified Rhythm Index, rest quality (probability, p1-1, of remaining at rest), and rest duration. Spectral analyses determined periods in body surface temperature and accelerometry. Parameters were compared and predictors of circadian and sleep disruption were identified by multivariate analyses using information criteria-based model selection. Clusters of individual shift work response profiles were recognized. FINDINGS Of 140 per-protocol participants (133 females), there were 63 NS and 77 DS. Both groups had similar median rest amount, yet NS had significantly worse median rest-activity Rhythm Index (0·38 [IQR, 0·29-0·47] vs. 0·69 [0·60-0·77], p<0·0001) and rest quality p1-1 (0·94 [0·94-0·95] vs 0·96 [0·94-0·97], p<0·0001) over the whole study week. Only 48% of the NS displayed a circadian period in temperature, as compared to 70% of the DS (p=0·026). Poor p1-1 was associated with nightshift work on both work (p<0·0001) and free days (p=0·0098). The number of years of past night work exposure predicted poor rest-activity Rhythm Index jointly with shift type, age and chronotype on workdays (p= 0·0074), and singly on free days (p=0·0005). INTERPRETATION A dedicated analysis toolbox of streamed data from a wearable device identified circadian and sleep rhythm markers, that constitute surrogate candidate endpoints of poor health risk in shift-workers. FUNDING French Agency for Food, Environmental and Occupational Health & Safety (EST-2014/1/064), University of Warwick, Medical Research Council (United Kingdom, MR/M013170), Cancer Research UK(C53561/A19933).
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Affiliation(s)
- Yiyuan Zhang
- Department of Statistics, University of Warwick, Coventry, United Kingdom
| | - Emilie Cordina-Duverger
- Inserm, CESP, Team Exposome and Heredity, University Paris-Saclay, Gustave Roussy, Villejuif, France
| | - Sandra Komarzynski
- Cancer Chronotherapy Team, Cancer Research Centre, Division of Biomedical Sciences, Warwick Medical School, University of Warwick, Coventry, United Kingdom
| | - Amal M Attari
- UPR "Chronothérapie, Cancers, et Transplantation", Faculté de Médecine, Université Paris-Saclay, Villejuif, France; Cap Gemini, Velizy Villacoublay, France
| | - Qi Huang
- Department of Statistics, University of Warwick, Coventry, United Kingdom
| | - Guillen Aristizabal
- Inserm, CESP, Team Exposome and Heredity, University Paris-Saclay, Gustave Roussy, Villejuif, France
| | - Brice Faraut
- Université de Paris, VIFASOM (EA 7330 Vigilance Fatigue, Sommeil et Santé Publique), Paris, France; Assistance Publique-Hôpitaux de Paris, APHP-Centre Université de Paris, Hôtel Dieu, Centre du Sommeil et de La Vigilance, Paris, France
| | - Damien Léger
- Université de Paris, VIFASOM (EA 7330 Vigilance Fatigue, Sommeil et Santé Publique), Paris, France; Assistance Publique-Hôpitaux de Paris, APHP-Centre Université de Paris, Hôtel Dieu, Centre du Sommeil et de La Vigilance, Paris, France
| | - René Adam
- UPR "Chronothérapie, Cancers, et Transplantation", Faculté de Médecine, Université Paris-Saclay, Villejuif, France; Hepato-Biliary Center, Paul Brousse Hospital, Assistance Publique-Hôpitaux de Paris, Villejuif, France
| | - Pascal Guénel
- Inserm, CESP, Team Exposome and Heredity, University Paris-Saclay, Gustave Roussy, Villejuif, France
| | | | | | - Francis Lévi
- Cancer Chronotherapy Team, Cancer Research Centre, Division of Biomedical Sciences, Warwick Medical School, University of Warwick, Coventry, United Kingdom; UPR "Chronothérapie, Cancers, et Transplantation", Faculté de Médecine, Université Paris-Saclay, Villejuif, France; Department of Medical Oncology, Paul Brousse Hospital, Assistance Publique-Hôpitaux de Paris, Villejuif, France.
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20
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Hetman M, Slomnicki L, Hodges E, Ohri SS, Whittemore SR. Role of circadian rhythms in pathogenesis of acute CNS injuries: Insights from experimental studies. Exp Neurol 2022; 353:114080. [DOI: 10.1016/j.expneurol.2022.114080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 03/28/2022] [Accepted: 04/05/2022] [Indexed: 11/16/2022]
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21
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Ebersole JL, Gonzalez OA. Mucosal circadian rhythm pathway genes altered by aging and periodontitis. PLoS One 2022; 17:e0275199. [PMID: 36472983 PMCID: PMC9725147 DOI: 10.1371/journal.pone.0275199] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 09/12/2022] [Indexed: 12/12/2022] Open
Abstract
As circadian processes can impact the immune system and are affected by infections and inflammation, this study examined the expression of circadian rhythm genes in periodontitis. METHODS Macaca mulatta were used with naturally-occurring and ligature-induced periodontitis. Gingival tissue samples were obtained from healthy, diseased, and resolved sites in four groups: young (≤3 years), adolescent (3-7 years), adult (12-26) and aged (18-23 years). Microarrays targeted circadian rhythm (n = 42), inflammation/tissue destruction (n = 11), bone biology (n = 8) and hypoxia pathway (n = 7) genes. RESULTS The expression of many circadian rhythm genes, across functional components of the pathway, was decreased in healthy tissues from younger and aged animals, as well as showing significant decreases with periodontitis. Negative correlations of the circadian rhythm gene levels with inflammatory mediators and tissue destructive/remodeling genes were particularly accentuated in disease. A dominance of positive correlations with hypoxia genes was observed, except HIF1A, that was uniformly negatively correlated in health, disease and resolution. CONCLUSIONS The chronic inflammation of periodontitis exhibits an alteration of the circadian rhythm pathway, predominantly via decreased gene expression. Thus, variation in disease expression and the underlying molecular mechanisms of disease may be altered due to changes in regulation of the circadian rhythm pathway functions.
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Affiliation(s)
- Jeffrey L. Ebersole
- Department of Biomedical Sciences, School of Dental Medicine, University of Nevada Las Vegas, Nevada, Nevada Las Vegas
- * E-mail:
| | - Octavio A. Gonzalez
- Center for Oral Health Research, College of Dentistry, University of Kentucky, Lexington, Kentucky
- Division of Periodontology, College of Dentistry, University of Kentucky, Lexington, Kentucky
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22
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Chen R, Weitzner AS, McKennon LA, Fonken LK. Chronic circadian phase advance in male mice induces depressive-like responses and suppresses neuroimmune activation. Brain Behav Immun Health 2021; 17:100337. [PMID: 34589820 PMCID: PMC8474595 DOI: 10.1016/j.bbih.2021.100337] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Accepted: 08/21/2021] [Indexed: 12/26/2022] Open
Abstract
Altered working and sleeping schedules during the COVID-19 pandemic likely impact our circadian systems. At the molecular level, clock genes form feedback inhibition loops that control 24-hr oscillations throughout the body. Importantly, core clock genes also regulate microglia, the brain resident immune cell, suggesting circadian regulation of neuroimmune function. To assess whether circadian disruption induces neuroimmune and associated behavioral changes, we mimicked chronic jetlag with a chronic phase advance (CPA) model. 32 adult male C57BL/6J mice underwent 6-hr light phase advance shifts every 3 light/dark cycles (CPA) 14 times or were maintained in standard light/dark cycles (control). CPA mice showed higher behavioral despair but not anhedonia in forced swim and sucrose preferences tests, respectively. Changes in behavior were accompanied by altered hippocampal circadian genes in CPA mice. Further, CPA suppressed expression of brain-derived neurotrophic factor (BDNF) and pro-inflammatory cytokine interleukin-1 beta in the hippocampus. Plasma corticosterone concentrations were elevated by CPA, suggesting that CPA may suppress neuroimmune pathways via glucocorticoids. These results demonstrate that chronic circadian disruption alters mood and neuroimmune function, which may have implications for shift working populations such as frontline health workers.
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Affiliation(s)
- Ruizhuo Chen
- Division of Pharmacology and Toxicology, University of Texas at Austin, Austin, TX, 78712, USA
| | - Aidan S. Weitzner
- Division of Pharmacology and Toxicology, University of Texas at Austin, Austin, TX, 78712, USA
| | - Lara A. McKennon
- Division of Pharmacology and Toxicology, University of Texas at Austin, Austin, TX, 78712, USA
| | - Laura K. Fonken
- Division of Pharmacology and Toxicology, University of Texas at Austin, Austin, TX, 78712, USA
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23
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Abstract
Circadian disruption is pervasive and can occur at multiple organizational levels, contributing to poor health outcomes at individual and population levels. Evidence points to a bidirectional relationship, in that circadian disruption increases disease severity and many diseases can disrupt circadian rhythms. Importantly, circadian disruption can increase the risk for the expression and development of neurologic, psychiatric, cardiometabolic, and immune disorders. Thus, harnessing the rich findings from preclinical and translational research in circadian biology to enhance health via circadian-based approaches represents a unique opportunity for personalized/precision medicine and overall societal well-being. In this Review, we discuss the implications of circadian disruption for human health using a bench-to-bedside approach. Evidence from preclinical and translational science is applied to a clinical and population-based approach. Given the broad implications of circadian regulation for human health, this Review focuses its discussion on selected examples in neurologic, psychiatric, metabolic, cardiovascular, allergic, and immunologic disorders that highlight the interrelatedness between circadian disruption and human disease and the potential of circadian-based interventions, such as bright light therapy and exogenous melatonin, as well as chronotherapy to improve and/or modify disease outcomes.
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Affiliation(s)
- Anna B Fishbein
- Department of Pediatrics, Division of Pediatric Allergy and Immunology, Ann & Robert H. Lurie Children's Hospital, and
| | - Kristen L Knutson
- Department of Neurology and Center for Circadian and Sleep Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Phyllis C Zee
- Department of Neurology and Center for Circadian and Sleep Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
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24
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Clarkson-Townsend DA, Bales KL, Hermetz KE, Burt AA, Pardue MT, Marsit CJ. Developmental chronodisruption alters placental signaling in mice. PLoS One 2021; 16:e0255296. [PMID: 34370755 PMCID: PMC8351967 DOI: 10.1371/journal.pone.0255296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 07/13/2021] [Indexed: 11/18/2022] Open
Abstract
Chronodisruption has been largely overlooked as a developmental exposure. The placenta, a conduit between the maternal and fetal environments, may relay circadian cues to the fetus. We have previously shown that developmental chronodisruption causes visual impairment and increased retinal microglial and macrophage marker expression. Here, we investigated the impacts of environmental chronodisruption on fetal and placental outcomes in a C57BL/6J mouse (Mus musculus) model. Developmental chronodisruption had no effect on embryo count, placental weight, or fetal sex ratio. When measured with RNAseq, mice exposed to developmental chronodisruption (CD) had differential placental expression of several transcripts including Serpinf1, which encodes pigment epithelium-derived factor (PEDF). Immunofluorescence of microglia/macrophage markers, Iba1 and CD11b, also revealed significant upregulation of immune cell markers in CD-exposed placenta. Our results suggest that in utero chronodisruption enhances placental immune cell expression, potentially programming a pro-inflammatory tissue environment.
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Affiliation(s)
- Danielle A. Clarkson-Townsend
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, United States of America
- Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Healthcare System, Decatur, GA, United States of America
| | - Katie L. Bales
- Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Healthcare System, Decatur, GA, United States of America
- Department of Ophthalmology, Emory University, Atlanta, GA, United States of America
| | - Karen E. Hermetz
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, United States of America
| | - Amber A. Burt
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, United States of America
| | - Machelle T. Pardue
- Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Healthcare System, Decatur, GA, United States of America
- Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, United States of America
| | - Carmen J. Marsit
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, United States of America
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Clock-Modulating Activities of the Anti-Arrhythmic Drug Moricizine. Clocks Sleep 2021; 3:351-365. [PMID: 34206497 PMCID: PMC8293187 DOI: 10.3390/clockssleep3030022] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 06/09/2021] [Accepted: 06/21/2021] [Indexed: 12/12/2022] Open
Abstract
Dysregulated circadian functions contribute to various diseases, including cardiovascular disease. Much progress has been made on chronotherapeutic applications of drugs against cardiovascular disease (CVD); however, the direct effects of various medications on the circadian system are not well characterized. We previously conducted high-throughput chemical screening for clock modulators and identified an off-patent anti-arrhythmic drug, moricizine, as a clock-period lengthening compound. In Per2:LucSV reporter fibroblast cells, we showed that under both dexamethasone and forskolin synchronization, moricizine was able to increase the circadian period length, with greater effects seen with the former. Titration studies revealed a dose-dependent effect of moricizine to lengthen the period. In contrast, flecainide, another Class I anti-arrhythmic, showed no effects on circadian reporter rhythms. Real-time qPCR analysis in fibroblast cells treated with moricizine revealed significant circadian time- and/or treatment-dependent expression changes in core clock genes, consistent with the above period-lengthening effects. Several clock-controlled cardiac channel genes also displayed altered expression patterns. Using tissue explant culture, we showed that moricizine was able to significantly prolong the period length of circadian reporter rhythms in atrial ex vivo cultures. Using wild-type C57BL/6J mice, moricizine treatment was found to promote sleep, alter circadian gene expression in the heart, and show a slight trend of increasing free-running periods. Together, these observations demonstrate novel clock-modulating activities of moricizine, particularly the period-lengthening effects on cellular oscillators, which may have clinical relevance against heart diseases.
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26
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Kumari R, Verma V, Kronfeld-Schor N, Singaravel M. Differential response of diurnal and nocturnal mammals to prolonged altered light-dark cycle: a possible role of mood associated endocrine, inflammatory and antioxidant system. Chronobiol Int 2021; 38:1618-1630. [PMID: 34128442 DOI: 10.1080/07420528.2021.1937200] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
The circadian system maintains internal 24 h oscillation of behavior and physiology, and its misalignment with external light-dark (LD) cycle results in negative health outcomes. In order to elucidate the effect of prolonged constant condition and the differences in the response between nocturnal and diurnal species, we studied the effects of constant light (LL) and constant darkness (DD) on a diurnal (squirrel) and a nocturnal (mouse) rodent species, focusing on the endocrine, inflammatory and antioxidant systems associated with depression-like behavior. Squirrels and mice (n = 10/group) were placed in chronocubicle under 12:12 h LD cycle, LL and DD. After 4 weeks, animals were subjected to sucrose preference test and blood and brain tissues were collected for measuring melatonin, corticosterone, proinflammatory cytokine, tumor necrosis factor-α (TNF-α) and the activity of primary antioxidant enzymes, catalase (CAT) and superoxide dismutase (SOD). The results show that in diurnal squirrels, prolonged constant darkness reduced sucrose preference, CAT, and SOD, increased corticosterone and TNF-α levels, but caused no significant change in the melatonin compared to LD condition. In contrast, in nocturnal mice constant darkness caused no significant changes in sucrose preference and corticosterone levels, increased melatonin, CAT and SOD levels but decreased TNF-α levels. Chronic LL caused a similar response in both squirrels and mice: it decreased sucrose preference, melatonin, CAT and SOD levels but increased corticosterone and TNF-α levels. Together, the study demonstrates differential effects of altered light-dark cycle in a diurnal and a nocturnal rodent on interrelated endocrine, inflammatory and antioxidant systems associated with depression-like behavior, with constant light having adverse effects on both species but constant darkness having a negative effect mainly in the diurnal squirrels.
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Affiliation(s)
- Ruchika Kumari
- Chronobiology Laboratory, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh, India
| | - Vivek Verma
- Chronobiology Laboratory, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh, India
| | - Noga Kronfeld-Schor
- Ecological and Evolutionary Physiology Laboratory, School of Zoology and Sagol School of Neuroscience, Faculty of Life Sciences, Tel Aviv University, Tel-Aviv, Israel
| | - Muniyandi Singaravel
- Chronobiology Laboratory, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh, India
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27
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Liu JA, Walton JC, DeVries AC, Nelson RJ. Disruptions of Circadian Rhythms and Thrombolytic Therapy During Ischemic Stroke Intervention. Front Neurosci 2021; 15:675732. [PMID: 34177452 PMCID: PMC8222607 DOI: 10.3389/fnins.2021.675732] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 05/11/2021] [Indexed: 11/24/2022] Open
Abstract
Several endogenous and exogenous factors interact to influence stroke occurrence, in turn contributing to discernable daily distribution patterns in the frequency and severity of cerebrovascular events. Specifically, strokes that occur during the morning tend to be more severe and are associated with elevated diastolic blood pressure, increased hospital stay, and worse outcomes, including mortality, compared to strokes that occur later in the day. Furthermore, disrupted circadian rhythms are linked to higher risk for stroke and play a role in stroke outcome. In this review, we discuss the interrelation among core clock genes and several factors contributing to ischemic outcomes, sources of disrupted circadian rhythms, the implications of disrupted circadian rhythms in foundational stroke scientific literature, followed by a review of clinical implications. In addition to highlighting the distinct daily pattern of onset, several aspects of physiology including immune response, endothelial/vascular and blood brain barrier function, and fibrinolysis are under circadian clock regulation; disrupted core clock gene expression patterns can adversely affect these physiological processes, leading to a prothrombotic state. Lastly, we discuss how the timing of ischemic onset increases morning resistance to thrombolytic therapy and the risk of hemorrhagic transformation.
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Affiliation(s)
- Jennifer A Liu
- Department of Neuroscience, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV, United States
| | - James C Walton
- Department of Neuroscience, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV, United States
| | - A Courtney DeVries
- Department of Neuroscience, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV, United States.,Department of Medicine, Division of Oncology/Hematology, West Virginia University, Morgantown, WV, United States.,West Virginia University Cancer Institute, West Virginia University, Morgantown, WV, United States
| | - Randy J Nelson
- Department of Neuroscience, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV, United States
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