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Festus ID, Spilberg J, Young ME, Cain S, Khoshnevis S, Smolensky MH, Zaheer F, Descalzi G, Martino TA. Pioneering new frontiers in circadian medicine chronotherapies for cardiovascular health. Trends Endocrinol Metab 2024; 35:607-623. [PMID: 38458859 DOI: 10.1016/j.tem.2024.02.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 02/08/2024] [Accepted: 02/12/2024] [Indexed: 03/10/2024]
Abstract
Cardiovascular disease (CVD) is a global health concern. Circadian medicine improves cardiovascular care by aligning treatments with our body's daily rhythms and their underlying cellular circadian mechanisms. Time-based therapies, or chronotherapies, show special promise in clinical cardiology. They optimize treatment schedules for better outcomes with fewer side effects by recognizing the profound influence of rhythmic body cycles. In this review, we focus on three chronotherapy areas (medication, light, and meal timing) with potential to enhance cardiovascular care. We also highlight pioneering research in the new field of rest, the gut microbiome, novel chronotherapies for hypertension, pain management, and small molecules that targeting the circadian mechanism.
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Affiliation(s)
- Ifene David Festus
- Centre for Cardiovascular Investigations, University of Guelph; Guelph, Ontario, Canada; Department of Biomedical Sciences, University of Guelph; Guelph, Ontario, Canada
| | - Jeri Spilberg
- Centre for Cardiovascular Investigations, University of Guelph; Guelph, Ontario, Canada; Department of Biomedical Sciences, University of Guelph; Guelph, Ontario, Canada
| | - Martin E Young
- Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Sean Cain
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Melbourne, Victoria, Australia
| | - Sepideh Khoshnevis
- Department of Biomedical Engineering, Cockrell School of Engineering, The University of Texas at Austin, Austin, TX, USA
| | - Michael H Smolensky
- Department of Biomedical Engineering, Cockrell School of Engineering, The University of Texas at Austin, Austin, TX, USA; Department of Internal Medicine, Division of Cardiology, McGovern School of Medicine, The University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Fariya Zaheer
- Department of Biomedical Sciences, University of Guelph; Guelph, Ontario, Canada
| | - Giannina Descalzi
- Department of Biomedical Sciences, University of Guelph; Guelph, Ontario, Canada
| | - Tami A Martino
- Centre for Cardiovascular Investigations, University of Guelph; Guelph, Ontario, Canada; Department of Biomedical Sciences, University of Guelph; Guelph, Ontario, Canada.
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Farag HI, Murphy BA, Templeman JR, Hanlon C, Joshua J, Koch TG, Niel L, Shoveller AK, Bedecarrats GY, Ellison A, Wilcockson D, Martino TA. One Health: Circadian Medicine Benefits Both Non-human Animals and Humans Alike. J Biol Rhythms 2024; 39:237-269. [PMID: 38379166 PMCID: PMC11141112 DOI: 10.1177/07487304241228021] [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] [Indexed: 02/22/2024]
Abstract
Circadian biology's impact on human physical health and its role in disease development and progression is widely recognized. The forefront of circadian rhythm research now focuses on translational applications to clinical medicine, aiming to enhance disease diagnosis, prognosis, and treatment responses. However, the field of circadian medicine has predominantly concentrated on human healthcare, neglecting its potential for transformative applications in veterinary medicine, thereby overlooking opportunities to improve non-human animal health and welfare. This review consists of three main sections. The first section focuses on the translational potential of circadian medicine into current industry practices of agricultural animals, with a particular emphasis on horses, broiler chickens, and laying hens. The second section delves into the potential applications of circadian medicine in small animal veterinary care, primarily focusing on our companion animals, namely dogs and cats. The final section explores emerging frontiers in circadian medicine, encompassing aquaculture, veterinary hospital care, and non-human animal welfare and concludes with the integration of One Health principles. In summary, circadian medicine represents a highly promising field of medicine that holds the potential to significantly enhance the clinical care and overall health of all animals, extending its impact beyond human healthcare.
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Affiliation(s)
- Hesham I. Farag
- Department of Biomedical Sciences, Ontario Veterinary College, University of Guelph, Guelph, ON, Canada
- Centre for Cardiovascular Investigations, University of Guelph, Guelph, ON, Canada
| | - Barbara A. Murphy
- School of Agriculture and Food Science, University College, Dublin, Ireland
| | - James R. Templeman
- Department of Animal Biosciences, University of Guelph, Guelph, ON, Canada
| | - Charlene Hanlon
- Department of Animal Biosciences, University of Guelph, Guelph, ON, Canada
- Department of Poultry Science, Auburn University, Auburn, Alabama, USA
| | - Jessica Joshua
- Department of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, ON, Canada
| | - Thomas G. Koch
- Department of Biomedical Sciences, Ontario Veterinary College, University of Guelph, Guelph, ON, Canada
| | - Lee Niel
- Department of Pathobiology, University of Guelph, Guelph, ON, Canada
| | - Anna K. Shoveller
- Department of Animal Biosciences, University of Guelph, Guelph, ON, Canada
| | | | - Amy Ellison
- School of Natural Sciences, Bangor University, Bangor, UK
| | - David Wilcockson
- Department of Life Sciences, Aberystwyth University, Aberystwyth, UK
| | - Tami A. Martino
- Department of Biomedical Sciences, Ontario Veterinary College, University of Guelph, Guelph, ON, Canada
- Centre for Cardiovascular Investigations, University of Guelph, Guelph, ON, Canada
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3
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Eckle T, Bertazzo J, Khatua TN, Tabatabaei SRF, Bakhtiari NM, Walker LA, Martino TA. Circadian Influences on Myocardial Ischemia-Reperfusion Injury and Heart Failure. Circ Res 2024; 134:675-694. [PMID: 38484024 PMCID: PMC10947118 DOI: 10.1161/circresaha.123.323522] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Accepted: 02/08/2024] [Indexed: 03/19/2024]
Abstract
The impact of circadian rhythms on cardiovascular function and disease development is well established, with numerous studies in genetically modified animals emphasizing the circadian molecular clock's significance in the pathogenesis and pathophysiology of myocardial ischemia and heart failure progression. However, translational preclinical studies targeting the heart's circadian biology are just now emerging and are leading to the development of a novel field of medicine termed circadian medicine. In this review, we explore circadian molecular mechanisms and novel therapies, including (1) intense light, (2) small molecules modulating the circadian mechanism, and (3) chronotherapies such as cardiovascular drugs and meal timings. These promise significant clinical translation in circadian medicine for cardiovascular disease. (4) Additionally, we address the differential functioning of the circadian mechanism in males versus females, emphasizing the consideration of biological sex, gender, and aging in circadian therapies for cardiovascular disease.
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Affiliation(s)
- Tobias Eckle
- Department of Anesthesiology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
- Division of Cardiology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Júlia Bertazzo
- Department of Anesthesiology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Tarak Nath Khatua
- Centre for Cardiovascular Investigations, Department of Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Seyed Reza Fatemi Tabatabaei
- Centre for Cardiovascular Investigations, Department of Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Naghmeh Moori Bakhtiari
- Centre for Cardiovascular Investigations, Department of Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Lori A Walker
- Division of Cardiology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Tami A. Martino
- Centre for Cardiovascular Investigations, Department of Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada
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4
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Ferreira LL, Rosatto N, Marzullo P, Bellan M. Circadian variations in the elderly: A scoping review. Chronobiol Int 2024; 41:311-328. [PMID: 38501270 DOI: 10.1080/07420528.2024.2327456] [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: 12/18/2023] [Accepted: 03/02/2024] [Indexed: 03/20/2024]
Abstract
The circadian clock plays important roles in several physiological processes. With aging, some of these circadian rhythms have been shown to be disrupted and suggested contributing to age-related diseases. The aim of this scoping review was to examine and map the existing evidence of circadian differences between young and older people in body fluid composition. Literature search was carried out on PubMed, Embase, Scopus and OpenGrey. The studies were screened based on inclusion and exclusion criteria by two independent reviewers and the results were summarized tabularly and narratively. The review process resulted in the identification of 1889 publications, of which 42 were eligible for inclusion. Forty-eight parameters or families of parameters were identified, including cortisol and melatonin, sex hormones, thyroid-related hormones, steroids and aldosterone. However, many were reported by only a single study. The results from the studies were heterogeneous. Even though the majority suggested the flattening of several circadian oscillations in the elderly population, this was not always observed for all the parameters analyzed, and some contradictory results were found. This review revealed a substantial number of publications that explored this research question, but further studies would be important to elucidate the clinical significance of these alterations.
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Affiliation(s)
- Luciana L Ferreira
- Department of Translational Medicine, Università del Piemonte Orientale, Novara, Italy
| | - Nadia Rosatto
- Department of Translational Medicine, Università del Piemonte Orientale, Novara, Italy
| | - Paolo Marzullo
- Department of Translational Medicine, Università del Piemonte Orientale, Novara, Italy
| | - Mattia Bellan
- Department of Translational Medicine, Università del Piemonte Orientale, Novara, Italy
- Department of Internal Medicine and Rheumatology Unit, Azienda Ospedaliero-Universitaria Maggiore Della Carità, Novara, Italy
- Center on Autoimmune and Allergic Diseases, Università del Piemonte Orientale, Novara, Italy
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Zheng S, Wang J, Zhang H, Wang S, Meng X. The effect of surgery started at different time point during the day on the clinical outcomes of mitral valve surgery. Front Cardiovasc Med 2024; 11:1360763. [PMID: 38433755 PMCID: PMC10904606 DOI: 10.3389/fcvm.2024.1360763] [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: 01/01/2024] [Accepted: 02/07/2024] [Indexed: 03/05/2024] Open
Abstract
Background The clinical prognosis of mitral valve surgery at morning, afternoon, and evening is not yet clear. The aim of the study is to investigate the impact of different time periods of surgery in the morning, afternoon and evening on the short-term and long-term results of mitral valve surgery. Methods From January 2018 to December 2020, 947 patients with mitral valve surgery in our department were selected. These patients were divided into 3 groups according to the starting time of surgery. Morning group (operation start time 8:00-10:30, n = 231), afternoon group (operation start time 12:00-14:30, n = 543), and evening group (operation start time 17:30-20:00, n = 173). The short-term and long-term results of the three groups were compared. Results There were no significant difference in the long-term mortality, long-term risk of stroke and reoperation. And there were no significant difference in in-hospital outcomes, including mortality, stroke, cardiopulmonary bypass time, aortic cross clamp time, mitral valve repair convert to mitral valve replacement, number of aortic cross clamp ≥2 times, unplanned secondary surgery during hospitalization (including thoracotomy hemostasis, thoracotomy exploration, redo mitral valve surgery, and debridement), intra-aortic balloon pump, extracorporeal membrane oxygenation, continuous renal replacement therapy, mechanical ventilation time, and intensive care unit length of stay. Conclusion There is no significant difference in the risk of short-term and long-term survival and adverse events after mitral valve surgery at different time periods in the morning, afternoon, and evening. Mitral valve surgery at night is safe.
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Affiliation(s)
- Shuai Zheng
- Department of Cardiac Surgery, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
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Yu Y, Liu JY, Yang HJ, Luo XQ, Gao XP, Huang XX, Tang AX, Mary Cheng HY, Liu WC, Zhang P. Circadian disruption during fetal development promotes pathological cardiac remodeling in male mice. iScience 2024; 27:109008. [PMID: 38352228 PMCID: PMC10863319 DOI: 10.1016/j.isci.2024.109008] [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: 09/19/2023] [Revised: 12/19/2023] [Accepted: 01/22/2024] [Indexed: 02/16/2024] Open
Abstract
Disruption of circadian rhythms during fetal development may predispose mice to developing heart disease later in life. Here, we report that male, but not female, mice that had experienced chronic circadian disturbance (CCD) in utero were more susceptible to pathological cardiac remodeling compared with mice that had developed under normal intrauterine conditions. CCD-treated males showed ventricular chamber dilatation, enhanced myocardial fibrosis, decreased contractility, higher rates of induced tachyarrhythmia, and elevated expression of biomarkers for heart failure and myocardial remodeling. In utero CCD exposure also triggered sex-dependent changes in cardiac gene expression, including upregulation of the secretoglobin gene, Scgb1a1, in males. Importantly, cardiac overexpression of Scgb1a1 was sufficient to induce myocardial hypertrophy in otherwise naive male mice. Our findings reveal that in utero CCD exposure predisposes male mice to pathological remodeling of the heart later in life, likely as a consequence of SCGB1A1 upregulation.
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Affiliation(s)
- Yang Yu
- Key Laboratory of Medical Electrophysiology, Ministry of Education & Medical Electrophysiological Key Laboratory of Sichuan Province, (Collaborative Innovation Center for Prevention of Cardiovascular Diseases), Institute of Cardiovascular Research, Southwest Medical University, Luzhou, Sichuan 646000, China
- Department of Human Anatomy and Histoembryology, School of Basic Medical Sciences, Southwest Medical University, Luzhou, Sichuan, China
| | - Jing-Yu Liu
- Key Laboratory of Medical Electrophysiology, Ministry of Education & Medical Electrophysiological Key Laboratory of Sichuan Province, (Collaborative Innovation Center for Prevention of Cardiovascular Diseases), Institute of Cardiovascular Research, Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Hui-Jiao Yang
- Key Laboratory of Medical Electrophysiology, Ministry of Education & Medical Electrophysiological Key Laboratory of Sichuan Province, (Collaborative Innovation Center for Prevention of Cardiovascular Diseases), Institute of Cardiovascular Research, Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Xiao-Qin Luo
- Department of Human Anatomy and Histoembryology, School of Basic Medical Sciences, Southwest Medical University, Luzhou, Sichuan, China
| | - Xiao-Ping Gao
- Key Laboratory of Medical Electrophysiology, Ministry of Education & Medical Electrophysiological Key Laboratory of Sichuan Province, (Collaborative Innovation Center for Prevention of Cardiovascular Diseases), Institute of Cardiovascular Research, Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Xiao-Xin Huang
- School of Basic Medical Science, Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Ao-Xue Tang
- School of Basic Medical Science, Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Hai-Ying Mary Cheng
- Department of Biology, University of Toronto Mississauga, Mississauga, Ontario L5L 1C6, Canada
| | - Wei-Chao Liu
- Key Laboratory of Medical Electrophysiology, Ministry of Education & Medical Electrophysiological Key Laboratory of Sichuan Province, (Collaborative Innovation Center for Prevention of Cardiovascular Diseases), Institute of Cardiovascular Research, Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Peng Zhang
- Key Laboratory of Medical Electrophysiology, Ministry of Education & Medical Electrophysiological Key Laboratory of Sichuan Province, (Collaborative Innovation Center for Prevention of Cardiovascular Diseases), Institute of Cardiovascular Research, Southwest Medical University, Luzhou, Sichuan 646000, China
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7
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Dong Y, Zhu SS, Chen LW, Luo ZR. Time-of-day discrepancy for the long-term surgical outcome of patients with aortic dissection. INTERDISCIPLINARY CARDIOVASCULAR AND THORACIC SURGERY 2023; 37:ivad140. [PMID: 37584726 PMCID: PMC10474969 DOI: 10.1093/icvts/ivad140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 07/25/2023] [Accepted: 08/15/2023] [Indexed: 08/17/2023]
Abstract
OBJECTIVES It has been suggested that the time of day when cardiovascular surgery is performed may affect the surgery outcomes. This study investigated whether there was a difference in risk-adjusted mortality and morbidity outcomes between patients undergoing acute aortic dissection (AAD) during the day or the night. METHODS Consecutive patients who had undergone Stanford A AAD surgery were enrolled between 2016 and 2020. In the daytime group, surgery was performed between 08:00 and 20:00, and in the nighttime group between 20:00 and 8:00. The primary outcome was in-hospital overall mortality, and the secondary outcomes were overall mortality within a median follow-up time of 35.2 (17.0, 53.5) months and the occurrence of re-entry tears and major bleeding. RESULTS A total of 925 patients were enrolled. The primary outcome of in-hospital overall mortality did not differ significantly between patients who received daytime or nighttime surgery. Similarly, the secondary outcomes of overall mortality during the follow-up and incidence of re-entry tears and major bleeding did not differ significantly between the groups. Subgroup analysis was also performed according to the surgery type (modified triple-branched stent graft implantation or frozen elephant trunk implantation) and surgical approach (partial upper sternotomy or full median sternotomy) confirming that the time of surgery did not significantly influence the outcomes. Cox regression analysis showed that time from onset to admission (P = 0.036) and time from the onset to surgery (P = 0.045) were significant risk factors for increased mortality during follow-up. CONCLUSIONS The time of day when thoracotomy was performed did not significantly affect the clinical outcome and is therefore not a consideration for the improvement of outcome in Stanford A AAD patients.
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Affiliation(s)
- Yi Dong
- Department of Cardiovascular Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Key Laboratory of Cardio-Thoracic Surgery (Fujian Medical University), Fujian Province University
| | - Shen-Shan Zhu
- Department of Cardiovascular Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Key Laboratory of Cardio-Thoracic Surgery (Fujian Medical University), Fujian Province University
| | - Liang-Wan Chen
- Department of Cardiovascular Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Key Laboratory of Cardio-Thoracic Surgery (Fujian Medical University), Fujian Province University
| | - Zeng-Rong Luo
- Department of Cardiovascular Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Key Laboratory of Cardio-Thoracic Surgery (Fujian Medical University), Fujian Province University
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8
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Lalanza JF, Lorente S, Bullich R, García C, Losilla JM, Capdevila L. Methods for Heart Rate Variability Biofeedback (HRVB): A Systematic Review and Guidelines. Appl Psychophysiol Biofeedback 2023; 48:275-297. [PMID: 36917418 PMCID: PMC10412682 DOI: 10.1007/s10484-023-09582-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/15/2023] [Indexed: 03/16/2023]
Abstract
Heart Rate Variability Biofeedback (HRVB) has been widely used to improve cardiovascular health and well-being. HRVB is based on breathing at an individual's resonance frequency, which stimulates respiratory sinus arrhythmia (RSA) and the baroreflex. There is, however, no methodological consensus on how to apply HRVB, while details about the protocol used are often not well reported. Thus, the objectives of this systematic review are to describe the different HRVB protocols and detect methodological concerns. PsycINFO, CINALH, Medline and Web of Science were searched between 2000 and April 2021. Data extraction and quality assessment were based on PRISMA guidelines. A total of 143 studies were finally included from any scientific field and any type of sample. Three protocols for HRVB were found: (i) "Optimal RF" (n = 37), each participant breathes at their previously detected RF; (ii) "Individual RF" (n = 48), each participant follows a biofeedback device that shows the optimal breathing rate based on cardiovascular data in real time, and (iii) "Preset-pace RF" (n = 51), all participants breathe at the same rate rate, usually 6 breaths/minute. In addition, we found several methodological differences for applying HRVB in terms of number of weeks, duration of breathing or combination of laboratory and home sessions. Remarkably, almost 2/3 of the studies did not report enough information to replicate the HRVB protocol in terms of breathing duration, inhalation/exhalation ratio, breathing control or body position. Methodological guidelines and a checklist are proposed to enhance the methodological quality of future HRVB studies and increase the information reported.
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Affiliation(s)
- Jaume F Lalanza
- Department of Basic Psychology, Universitat Autònoma de Barcelona, Bellaterra, Spain
- Department of Psychology, UiT The Arctic University of Norway, Tromsø, Norway
| | - Sonia Lorente
- Department of Psychobiology and Methodology of Health Science, Universitat Autònoma de Barcelona, Bellaterra, Spain
- Pediatric Area, Hospital de Terrassa, Consorci Sanitari de Terrassa, Terrassa, Spain
| | - Raimon Bullich
- Department of Basic Psychology, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Carlos García
- Department of Basic Psychology, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Josep-Maria Losilla
- Department of Psychobiology and Methodology of Health Science, Universitat Autònoma de Barcelona, Bellaterra, Spain
- Sport Research Institute UAB, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Lluis Capdevila
- Department of Basic Psychology, Universitat Autònoma de Barcelona, Bellaterra, Spain.
- Sport Research Institute UAB, Universitat Autònoma de Barcelona, Bellaterra, Spain.
- Departament of Basic Psychology, Universitat Autònoma de Barcelona, 08193, Bellaterra, Barcelona, Spain.
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Gumz ML, Shimbo D, Abdalla M, Balijepalli RC, Benedict C, Chen Y, Earnest DJ, Gamble KL, Garrison SR, Gong MC, Hogenesch JB, Hong Y, Ivy JR, Joe B, Laposky AD, Liang M, MacLaughlin EJ, Martino TA, Pollock DM, Redline S, Rogers A, Dan Rudic R, Schernhammer ES, Stergiou GS, St-Onge MP, Wang X, Wright J, Oh YS. Toward Precision Medicine: Circadian Rhythm of Blood Pressure and Chronotherapy for Hypertension - 2021 NHLBI Workshop Report. Hypertension 2023; 80:503-522. [PMID: 36448463 PMCID: PMC9931676 DOI: 10.1161/hypertensionaha.122.19372] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
Healthy individuals exhibit blood pressure variation over a 24-hour period with higher blood pressure during wakefulness and lower blood pressure during sleep. Loss or disruption of the blood pressure circadian rhythm has been linked to adverse health outcomes, for example, cardiovascular disease, dementia, and chronic kidney disease. However, the current diagnostic and therapeutic approaches lack sufficient attention to the circadian rhythmicity of blood pressure. Sleep patterns, hormone release, eating habits, digestion, body temperature, renal and cardiovascular function, and other important host functions as well as gut microbiota exhibit circadian rhythms, and influence circadian rhythms of blood pressure. Potential benefits of nonpharmacologic interventions such as meal timing, and pharmacologic chronotherapeutic interventions, such as the bedtime administration of antihypertensive medications, have recently been suggested in some studies. However, the mechanisms underlying circadian rhythm-mediated blood pressure regulation and the efficacy of chronotherapy in hypertension remain unclear. This review summarizes the results of the National Heart, Lung, and Blood Institute workshop convened on October 27 to 29, 2021 to assess knowledge gaps and research opportunities in the study of circadian rhythm of blood pressure and chronotherapy for hypertension.
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Affiliation(s)
- Michelle L Gumz
- Department of Physiology and Aging; Center for Integrative Cardiovascular and Metabolic Disease, Department of Medicine, Division of Nephrology, Hypertension and Renal Transplantation, University of Florida, Gainesville, FL (M.L.G.)
| | - Daichi Shimbo
- Department of Medicine, The Columbia Hypertension Center, Columbia University Irving Medical Center, New York, NY (D.S.)
| | - Marwah Abdalla
- Department of Medicine, Center for Behavioral Cardiovascular Health, Columbia University Irving Medical Center, New York, NY (M.A.)
| | - Ravi C Balijepalli
- Division of Cardiovascular Sciences, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD (R.C.B., Y.H., J.W., Y.S.O.)
| | - Christian Benedict
- Department of Pharmaceutical Biosciences, Molecular Neuropharmacology, Uppsala University, Sweden (C.B.)
| | - Yabing Chen
- Department of Pathology, University of Alabama at Birmingham, and Research Department, Birmingham VA Medical Center, AL (Y.C.)
| | - David J Earnest
- Department of Neuroscience & Experimental Therapeutics, Texas A&M University, Bryan, TX (D.J.E.)
| | - Karen L Gamble
- Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham, AL (K.L.G.)
| | - Scott R Garrison
- Department of Family Medicine, University of Alberta, Canada (S.R.G.)
| | - Ming C Gong
- Department of Physiology, University of Kentucky, Lexington, KY (M.C.G.)
| | | | - Yuling Hong
- Division of Cardiovascular Sciences, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD (R.C.B., Y.H., J.W., Y.S.O.)
| | - Jessica R Ivy
- University/British Heart Foundation Centre for Cardiovascular Science, The Queen's Medical Research Institute, The University of Edinburgh, United Kingdom (J.R.I.)
| | - Bina Joe
- Department of Physiology and Pharmacology and Center for Hypertension and Precision Medicine, University of Toledo College of Medicine and Life Sciences, OH (B.J.)
| | - Aaron D Laposky
- National Center on Sleep Disorders Research, Division of Lung Diseases, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD (A.D.L.)
| | - Mingyu Liang
- Center of Systems Molecular Medicine, Department of Physiology, Medical College of Wisconsin, Milwaukee, WI (M.L.)
| | - Eric J MacLaughlin
- Department of Pharmacy Practice, Texas Tech University Health Sciences Center, Amarillo, TX (E.J.M.)
| | - Tami A Martino
- Center for Cardiovascular Investigations, Department of Biomedical Sciences, University of Guelph, Ontario, Canada (T.A.M.)
| | - David M Pollock
- Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, AL (D.M.P.)
| | - Susan Redline
- Division of Sleep and Circadian Disorders, Brigham and Women's Hospital, Harvard Medical School, Boston, MA (S.R.)
| | - Amy Rogers
- Division of Molecular and Clinical Medicine, University of Dundee, United Kingdom (A.R.)
| | - R Dan Rudic
- Department of Pharmacology and Toxicology, Augusta University, GA (R.D.R.)
| | - Eva S Schernhammer
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA (E.S.S.)
| | - George S Stergiou
- Hypertension Center, STRIDE-7, National and Kapodistrian University of Athens, School of Medicine, Third Department of Medicine, Sotiria Hospital, Athens, Greece (G.S.S.)
| | - Marie-Pierre St-Onge
- Division of General Medicine, Department of Medicine, Columbia University Irving Medical Center' New York, NY (M.-P.S.-O.)
| | - Xiaoling Wang
- Georgia Prevention Institute, Department of Medicine, Augusta University, GA (X.W.)
| | - Jacqueline Wright
- Division of Cardiovascular Sciences, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD (R.C.B., Y.H., J.W., Y.S.O.)
| | - Young S Oh
- Division of Cardiovascular Sciences, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD (R.C.B., Y.H., J.W., Y.S.O.)
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10
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Martino TA, Delisle BP. Cardiovascular research and the arrival of circadian medicine. Chronobiol Int 2023; 40:1-3. [PMID: 37096348 PMCID: PMC11027555 DOI: 10.1080/07420528.2022.2151862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2023]
Affiliation(s)
- Tami A Martino
- Centre for Cardiovascular Investigations, Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Brian P Delisle
- Department of Physiology, University of Kentucky, Lexington, Kentucky, USA,
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Al-Sabagh Y, Thorpe HHA, Jenkins BW, Hamidullah S, Talhat MA, Suggett CB, Reitz CJ, Rasouli M, Martino TA, Khokhar JY. Rev-erbα Knockout Reduces Ethanol Consumption and Preference in Male and Female Mice. Int J Mol Sci 2022; 23:ijms23095197. [PMID: 35563586 PMCID: PMC9104180 DOI: 10.3390/ijms23095197] [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: 02/23/2022] [Revised: 04/30/2022] [Accepted: 05/03/2022] [Indexed: 11/16/2022] Open
Abstract
Alcohol use is a contributor in the premature deaths of approximately 3 million people annually. Among the risk factors for alcohol misuse is circadian rhythm disruption; however, this connection remains poorly understood. Inhibition of the circadian nuclear receptor REV-ERBα is known to disrupt molecular feedback loops integral to daily oscillations, and impact diurnal fluctuations in the expression of proteins required for reward-related neurotransmission. However, the role of REV-ERBα in alcohol and substance use-related phenotypes is unknown. Herein, we used a Rev-erbα knockout mouse line and ethanol two-bottle choice preference testing to show that disruption of Rev-erbα reduces ethanol preference in male and female mice. Rev-erbα null mice showed the lowest ethanol preference in a two-bottle choice test across all genotypes, whereas there were no ethanol preference differences between heterozygotes and wildtypes. In a separate experiment, alcohol-consuming wildtype C57Bl/6N mice were administered the REV-ERBα/β inhibitor SR8278 (25 mg/kg or 50 mg/kg) for 7 days and alcohol preference was evaluated daily. No differences in alcohol preference were observed between the treatment and vehicle groups. Our data provides evidence that genetic variation in REV-ERBα may contribute to differences in alcohol drinking.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Tami Avril Martino
- Correspondence: (T.A.M.); (J.Y.K.); Tel.: +1-(519)-824-4120 (ext. 54239) (J.Y.K.)
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12
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Bryk AA, Blagonravov ML, Goryachev VA, Chibisov SM, Azova MM, Syatkin SP. Daytime Exposure to Blue Light Alters Cardiovascular Circadian Rhythms, Electrolyte Excretion and Melatonin Production. PATHOPHYSIOLOGY 2022; 29:118-133. [PMID: 35366294 PMCID: PMC8954103 DOI: 10.3390/pathophysiology29010011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 03/08/2022] [Accepted: 03/10/2022] [Indexed: 11/25/2022] Open
Abstract
Artificial light is characterized by certain features of its impact on the body in terms of its spectral distribution of power, duration of exposure and intensity. Short waves, perceived as blue light, are the strongest synchronizing agent for the circadian system. In the present work, we investigated the features of the circadian rhythms of blood pressure (BP), heart rate (HR), the excretion of electrolytes and the secretion of melatonin in normotensive (Wistar–Kyoto) and hypertensive (SHR) rats under the action of monochromatic blue light in the daytime period. It was found that the exposure of Wistar–Kyoto rats to monochromatic blue light was accompanied by a significant decrease in nighttime and 24 h systolic BP. The most remarkable changes are characteristic of the HR in SHR rats under monochromatic light. A significant decrease in HR in each time period was found, but the predominance of nighttime over daytime values remained in SHR animals. There was also a significant increase in the mesor of the HR in SHR rats. Additionally, the amplitude of diastolic BP and HR, as well as the range of oscillations in HR, were significantly increased compared with the standard light pattern. In contrast to SHR rats, the regulation of the circadian rhythms in Wistar–Kyoto rats was more flexible and presented more changes, which may be aimed at the adaptation of the body to environmental conditions. For Wistar–Kyoto rats, an increase in the level of excreted electrolytes was observed under the action of monochromatic light, but no similar changes were found in SHR rats. For Wistar–Kyoto rats, a significant decrease in the urine concentration of aMT6s in the daytime and nighttime periods is characteristic, which results in the loss of the circadian rhythm. In SHR rats, there was a significant decrease in the nighttime content of aMT6s in the urine, while the daytime concentration, on the contrary, increased. The obtained data demonstrate that prolonged exposure to monochromatic blue light in the daytime period affects the circadian structure of the rhythms of the cardiovascular system, the rhythm of electrolyte excretion and the production of epiphyseal melatonin in wild-type and hypertensive animals. In SHR rats, the rhythms of BP and HR exhibit a more rigid pattern.
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Affiliation(s)
- Anna A. Bryk
- V.A. Frolov Department of General Pathology and Pathological Physiology, Institute of Medicine, Peoples’ Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya Street, 117198 Moscow, Russia; (M.L.B.); (V.A.G.); (S.M.C.); (S.P.S.)
- Correspondence:
| | - Mikhail L. Blagonravov
- V.A. Frolov Department of General Pathology and Pathological Physiology, Institute of Medicine, Peoples’ Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya Street, 117198 Moscow, Russia; (M.L.B.); (V.A.G.); (S.M.C.); (S.P.S.)
| | - Vyacheslav A. Goryachev
- V.A. Frolov Department of General Pathology and Pathological Physiology, Institute of Medicine, Peoples’ Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya Street, 117198 Moscow, Russia; (M.L.B.); (V.A.G.); (S.M.C.); (S.P.S.)
| | - Sergey M. Chibisov
- V.A. Frolov Department of General Pathology and Pathological Physiology, Institute of Medicine, Peoples’ Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya Street, 117198 Moscow, Russia; (M.L.B.); (V.A.G.); (S.M.C.); (S.P.S.)
| | - Madina M. Azova
- Department of Biology and General Genetics, Institute of Medicine, Peoples’ Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya Street, 117198 Moscow, Russia;
| | - Sergey P. Syatkin
- V.A. Frolov Department of General Pathology and Pathological Physiology, Institute of Medicine, Peoples’ Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya Street, 117198 Moscow, Russia; (M.L.B.); (V.A.G.); (S.M.C.); (S.P.S.)
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13
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Modelling Female Physiology from Head to Toe: Impact of Sex Hormones, Menstrual Cycle, and Pregnancy. J Theor Biol 2022; 540:111074. [DOI: 10.1016/j.jtbi.2022.111074] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 02/18/2022] [Accepted: 02/21/2022] [Indexed: 12/14/2022]
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14
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Rabinovich-Nikitin I, Rasouli M, Reitz CJ, Posen I, Margulets V, Dhingra R, Khatua TN, Thliveris JA, Martino TA, Kirshenbaum LA. Mitochondrial autophagy and cell survival is regulated by the circadian Clock gene in cardiac myocytes during ischemic stress. Autophagy 2021; 17:3794-3812. [PMID: 34085589 DOI: 10.1080/15548627.2021.1938913] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Cardiac function is highly reliant on mitochondrial oxidative metabolism and quality control. The circadian Clock gene is critically linked to vital physiological processes including mitochondrial fission, fusion and bioenergetics; however, little is known of how the Clock gene regulates these vital processes in the heart. Herein, we identified a putative circadian CLOCK-mitochondrial interactome that gates an adaptive survival response during myocardial ischemia. We show by transcriptome and gene ontology mapping in CLOCK Δ19/Δ19 mouse that Clock transcriptionally coordinates the efficient removal of damaged mitochondria during myocardial ischemia by directly controlling transcription of genes required for mitochondrial fission, fusion and macroautophagy/autophagy. Loss of Clock gene activity impaired mitochondrial turnover resulting in the accumulation of damaged reactive oxygen species (ROS)-producing mitochondria from impaired mitophagy. This coincided with ultrastructural defects to mitochondria and impaired cardiac function. Interestingly, wild type CLOCK but not mutations of CLOCK defective for E-Box binding or interaction with its cognate partner ARNTL/BMAL-1 suppressed mitochondrial damage and cell death during acute hypoxia. Interestingly, the autophagy defect and accumulation of damaged mitochondria in CLOCK-deficient cardiac myocytes were abrogated by restoring autophagy/mitophagy. Inhibition of autophagy by ATG7 knockdown abrogated the cytoprotective effects of CLOCK. Collectively, our results demonstrate that CLOCK regulates an adaptive stress response critical for cell survival by transcriptionally coordinating mitochondrial quality control mechanisms in cardiac myocytes. Interdictions that restore CLOCK activity may prove beneficial in reducing cardiac injury in individuals with disrupted circadian CLOCK.Abbreviations: ARNTL/BMAL1: aryl hydrocarbon receptor nuclear translocator-like; ATG14: autophagy related 14; ATG7: autophagy related 7; ATP: adenosine triphosphate; BCA: bovine serum albumin; BECN1: beclin 1, autophagy related; bHLH: basic helix- loop-helix; CLOCK: circadian locomotor output cycles kaput; CMV: cytomegalovirus; COQ5: coenzyme Q5 methyltransferase; CQ: chloroquine; CRY1: cryptochrome 1 (photolyase-like); DNM1L/DRP1: dynamin 1-like; EF: ejection fraction; EM: electron microscopy; FS: fractional shortening; GFP: green fluorescent protein; HPX: hypoxia; i.p.: intraperitoneal; I-R: ischemia-reperfusion; LAD: left anterior descending; LVIDd: left ventricular internal diameter diastolic; LVIDs: left ventricular internal diameter systolic; MAP1LC3/LC3: microtubule-associated protein 1 light chain 3; MFN2: mitofusin 2; MI: myocardial infarction; mPTP: mitochondrial permeability transition pore; NDUFA4: Ndufa4, mitochondrial complex associated; NDUFA8: NADH: ubiquinone oxidoreductase subunit A8; NMX: normoxia; OCR: oxygen consumption rate; OPA1: OPA1, mitochondrial dynamin like GTPase; OXPHOS: oxidative phosphorylation; PBS: phosphate-buffered saline; PER1: period circadian clock 1; PPARGC1A/PGC-1α: peroxisome proliferative activated receptor, gamma, coactivator 1 alpha; qPCR: quantitative real-time PCR; RAB7A: RAB7, member RAS oncogene family; ROS: reactive oxygen species; RT: room temperature; shRNA: short hairpin RNA; siRNA: small interfering RNA; TFAM: transcription factor A, mitochondrial; TFEB: transcription factor EB; TMRM: tetra-methylrhodamine methyl ester perchlorate; WT: wild -type; ZT: zeitgeber time.
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Affiliation(s)
- Inna Rabinovich-Nikitin
- Department of Physiology and Pathophysiology, The Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Centre, Winnipeg, Manitoba, Canada
| | - Mina Rasouli
- Centre for Cardiovascular Investigations, Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Cristine J Reitz
- Centre for Cardiovascular Investigations, Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Illana Posen
- Department of Physiology and Pathophysiology, The Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Centre, Winnipeg, Manitoba, Canada
| | - Victoria Margulets
- Department of Physiology and Pathophysiology, The Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Centre, Winnipeg, Manitoba, Canada
| | - Rimpy Dhingra
- Department of Physiology and Pathophysiology, The Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Centre, Winnipeg, Manitoba, Canada
| | - Tarak N Khatua
- Centre for Cardiovascular Investigations, Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada
| | - James A Thliveris
- Department of Human Anatomy and Cell Science, Rady College of Medicine, Max Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Tami A Martino
- Centre for Cardiovascular Investigations, Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Lorrie A Kirshenbaum
- Department of Physiology and Pathophysiology, The Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Centre, Winnipeg, Manitoba, Canada.,Department of Pharmacology and Therapeutics, Rady College of Medicine, Max Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
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15
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Daytime variation does not impact outcome of cardiac surgery: Results from a diverse, multi-institutional cardiac surgery network. J Thorac Cardiovasc Surg 2021; 162:56-67.e44. [DOI: 10.1016/j.jtcvs.2019.11.131] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 11/25/2019] [Accepted: 11/26/2019] [Indexed: 12/13/2022]
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16
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Defensor EB, Lim MA, Schaevitz LR. Biomonitoring and Digital Data Technology as an Opportunity for Enhancing Animal Study Translation. ILAR J 2021; 62:223-231. [PMID: 34097730 DOI: 10.1093/ilar/ilab018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Accepted: 03/17/2021] [Indexed: 02/01/2023] Open
Abstract
The failure of animal studies to translate to effective clinical therapeutics has driven efforts to identify underlying cause and develop solutions that improve the reproducibility and translatability of preclinical research. Common issues revolve around study design, analysis, and reporting as well as standardization between preclinical and clinical endpoints. To address these needs, recent advancements in digital technology, including biomonitoring of digital biomarkers, development of software systems and database technologies, as well as application of artificial intelligence to preclinical datasets can be used to increase the translational relevance of preclinical animal research. In this review, we will describe how a number of innovative digital technologies are being applied to overcome recurring challenges in study design, execution, and data sharing as well as improving scientific outcome measures. Examples of how these technologies are applied to specific therapeutic areas are provided. Digital technologies can enhance the quality of preclinical research and encourage scientific collaboration, thus accelerating the development of novel therapeutics.
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17
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Circadian rhythms of mineral metabolism in chronic kidney disease-mineral bone disorder. Curr Opin Nephrol Hypertens 2021; 29:367-377. [PMID: 32452917 DOI: 10.1097/mnh.0000000000000611] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
PURPOSE OF REVIEW The circadian rhythms have a systemic impact on all aspects of physiology. Kidney diseases are associated with extremely high-cardiovascular mortality, related to chronic kidney disease-mineral bone disorder (CKD-MBD), involving bone, parathyroids and vascular calcification. Disruption of circadian rhythms may cause serious health problems, contributing to development of cardiovascular diseases, metabolic syndrome, cancer, organ fibrosis, osteopenia and aging. Evidence of disturbed circadian rhythms in CKD-MBD parameters and organs involved is emerging and will be discussed in this review. RECENT FINDINGS Kidney injury induces unstable behavioral circadian rhythm. Potentially, uremic toxins may affect the master-pacemaker of circadian rhythm in hypothalamus. In CKD disturbances in the circadian rhythms of CKD-MBD plasma-parameters, activin A, fibroblast growth factor 23, parathyroid hormone, phosphate have been demonstrated. A molecular circadian clock is also expressed in peripheral tissues, involved in CKD-MBD; vasculature, parathyroids and bone. Expression of the core circadian clock genes in the different tissues is disrupted in CKD-MBD. SUMMARY Disturbed circadian rhythms is a novel feature of CKD-MBD. There is a need to establish which specific input determines the phase of the local molecular clock and to characterize its regulation and deregulation in tissues involved in CKD-MBD. Finally, it is important to establish what are the implications for treatment including the potential applications for chronotherapy.
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18
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Circadian influence on inflammatory response during cardiovascular disease. Curr Opin Pharmacol 2020; 57:60-70. [PMID: 33340915 DOI: 10.1016/j.coph.2020.11.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 10/26/2020] [Accepted: 11/16/2020] [Indexed: 12/20/2022]
Abstract
Circadian rhythms follow a 24 h day and night cycle, regulate vital physiological processes, and are especially relevant to cardiovascular growth, renewal, repair, and remodeling. A recent flurry of clinical and experimental studies reveals a profound circadian influence on immune responses in cardiovascular disease. The first section of this review summarizes the importance of circadian rhythms for cardiovascular health and disease. The second section introduces the circadian nature of inflammatory responses. The third section combines these to elucidate a new role for the circadian system, influencing inflammation in heart disease, especially myocardial infarction. Particular focus is on circadian regulation of the NACHT, LRR, and PYD domains-containing protein 3 inflammasome, neutrophils, monocytes/macrophages, and T cells involved in cardiac repair. A role for biological sex is noted. The final section explores circadian influences on inflammation in other major cardiovascular conditions. Circadian regulation of inflammation has profound implications for benefitting the diagnosis, treatment, and prognosis of patients with cardiovascular disease.
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19
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Mistry P, Reitz CJ, Khatua TN, Rasouli M, Oliphant K, Young ME, Allen-Vercoe E, Martino TA. Circadian influence on the microbiome improves heart failure outcomes. J Mol Cell Cardiol 2020; 149:54-72. [PMID: 32961201 PMCID: PMC11027088 DOI: 10.1016/j.yjmcc.2020.09.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 09/11/2020] [Accepted: 09/14/2020] [Indexed: 12/21/2022]
Abstract
Myocardial infarction (MI) leading to heart failure (HF) is a major cause of death worldwide. Previous studies revealed that the circadian system markedly impacts cardiac repair post-MI, and that light is an important environmental factor modulating the circadian influence over healing. Recent studies suggest that gut physiology also affects the circadian system, but how it contributes to cardiac repair post-MI and in HF is not well understood. To address this question, we first used a murine coronary artery ligation MI model to reveal that an intact gut microbiome is important for cardiac repair. Specifically, gut microbiome disruption impairs normal inflammatory responses in infarcted myocardium, elevates adverse cardiac gene biomarkers, and leads to worse HF outcomes. Conversely, reconstituting the microbiome post-MI in mice with prior gut microbiome disruption improves healing, consistent with the notion that normal gut physiology contributes to cardiac repair. To investigate a role for the circadian system, we initially utilized circadian mutant Clock∆19/∆19 mice, revealing that a functional circadian mechanism is necessary for gut microbiome benefits on post-MI cardiac repair and HF. Finally, we demonstrate that circadian-mediated gut responses that benefit cardiac repair can be conferred by time-restricted feeding, as wake time feeding of MI mice improves HF outcomes, but these benefits are not observed in MI mice fed during their sleep time. In summary, gut physiology is important for cardiac repair, and the circadian system influences the beneficial gut responses to improve post-MI and HF outcomes.
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Affiliation(s)
- Priya Mistry
- Centre for Cardiovascular Investigations, Department of Biomedical Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Cristine J Reitz
- Centre for Cardiovascular Investigations, Department of Biomedical Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Tarak Nath Khatua
- Centre for Cardiovascular Investigations, Department of Biomedical Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Mina Rasouli
- Centre for Cardiovascular Investigations, Department of Biomedical Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Kaitlyn Oliphant
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Martin E Young
- Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama 35294, USA
| | - Emma Allen-Vercoe
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Tami A Martino
- Centre for Cardiovascular Investigations, Department of Biomedical Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada.
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20
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Monfredi O, Lakatta EG. Complexities in cardiovascular rhythmicity: perspectives on circadian normality, ageing and disease. Cardiovasc Res 2020; 115:1576-1595. [PMID: 31150049 DOI: 10.1093/cvr/cvz112] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 02/06/2019] [Accepted: 05/25/2019] [Indexed: 12/13/2022] Open
Abstract
Biological rhythms exist in organisms at all levels of complexity, in most organs and at myriad time scales. Our own biological rhythms are driven by energy emitted by the sun, interacting via our retinas with brain stem centres, which then send out complex messages designed to synchronize the behaviour of peripheral non-light sensing organs, to ensure optimal physiological responsiveness and performance of the organism based on the time of day. Peripheral organs themselves have autonomous rhythmic behaviours that can act independently from central nervous system control but is entrainable. Dysregulation of biological rhythms either through environment or disease has far-reaching consequences on health that we are only now beginning to appreciate. In this review, we focus on cardiovascular rhythms in health, with ageing and under disease conditions.
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Affiliation(s)
- Oliver Monfredi
- Division of Medicine, Department of Cardiology, The Johns Hopkins Hospital, 1800 Orleans Street, Baltimore, MD, USA.,Laboratory of Cardiovascular Sciences, Intramural Research Program, National Institute on Aging, National Institutes of Health, 251 Bayview Blvd, Baltimore, MD, USA
| | - Edward G Lakatta
- Laboratory of Cardiovascular Sciences, Intramural Research Program, National Institute on Aging, National Institutes of Health, 251 Bayview Blvd, Baltimore, MD, USA
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21
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Soares AC, Fonseca DA. Cardiovascular diseases: a therapeutic perspective around the clock. Drug Discov Today 2020; 25:1086-1098. [PMID: 32320853 DOI: 10.1016/j.drudis.2020.04.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 04/05/2020] [Accepted: 04/09/2020] [Indexed: 01/21/2023]
Abstract
Biological rhythms are a ubiquitous feature of life. Most bodily functions, including physiological, biochemical, and behavioral processes, are coupled by the circadian rhythm. In the cardiovascular system, circadian fluctuations regulate several functions, namely heart rate, blood pressure, cardiac contractility, and metabolism. In fact, current lifestyles impose external timing constraints that clash with our internal circadian physiology, often increasing the risk of cardiovascular disease (CVD). Still, the mechanisms of dysregulation are not fully understood because this is a growing area of research. In this review, we explore the modulatory role of the circadian rhythms on cardiovascular function and disease as well as the role of chronotherapy in the context of CVD and how such an approach could improve existing therapies and assist in the development of new ones.
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Affiliation(s)
| | - Diogo A Fonseca
- Laboratory of Pharmacology and Pharmaceutical Care, Faculty of Pharmacy, University of Coimbra, Portugal; Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, Portugal; CIBB Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Portugal.
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22
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Ferreira LL, Cervantes M, Froufe HJC, Egas C, Cunha-Oliveira T, Sassone-Corsi P, Oliveira PJ. Doxorubicin persistently rewires cardiac circadian homeostasis in mice. Arch Toxicol 2019; 94:257-271. [PMID: 31768571 DOI: 10.1007/s00204-019-02626-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Accepted: 11/13/2019] [Indexed: 12/29/2022]
Abstract
Circadian rhythms disruption can be the cause of chronic diseases. External cues, including therapeutic drugs, have been shown to modulate peripheral-circadian clocks. Since anthracycline cardiotoxicity is associated with loss of mitochondrial function and metabolic remodeling, we investigated whether the energetic failure induced by sub-chronic doxorubicin (DOX) treatment in juvenile mice was associated with persistent disruption of circadian regulators. Juvenile C57BL/6J male mice were subjected to a sub-chronic DOX treatment (4 weekly injections of 5 mg/kg DOX) and several cardiac parameters, as well as circadian-gene expression and acetylation patterns, were analyzed after 6 weeks of recovery time. Complementary experiments were performed with Mouse Embryonic Fibroblasts (MEFs) and Human Embryonic Kidney 293 cells. DOX-treated juvenile mice showed cardiotoxicity markers and persistent alterations of transcriptional- and signaling cardiac circadian homeostasis. The results showed a delayed influence of DOX on gene expression, accompanied by changes in SIRT1-mediated cyclic deacetylation. The mechanism behind DOX interference with the circadian clock was further studied in vitro, in which were observed alterations of circadian-gene expression and increased BMAL1 SIRT1-mediated deacetylation. In conclusion, DOX treatment in juvenile mice resulted in disruption of oscillatory molecular mechanisms including gene expression and acetylation profiles.
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Affiliation(s)
- Luciana L Ferreira
- Mitochondrial Toxicology and Experimental Therapeutics Laboratory (MitoXT), CNC, Center for Neuroscience and Cell Biology, University of Coimbra, UC Biotech Building (Lote 8A), Biocant Park, 3060-197, Cantanhede, Portugal
| | - Marlene Cervantes
- Department of Biological Chemistry, Center for Epigenetics and Metabolism, University of California, Irvine, CA, 92697, USA
| | - Hugo J C Froufe
- Next Generation Sequencing Unit, Biocant, Biocant Park, Núcleo 04, Lote 8, Cantanhede, Portugal
| | - Conceição Egas
- Mitochondrial Toxicology and Experimental Therapeutics Laboratory (MitoXT), CNC, Center for Neuroscience and Cell Biology, University of Coimbra, UC Biotech Building (Lote 8A), Biocant Park, 3060-197, Cantanhede, Portugal.,Next Generation Sequencing Unit, Biocant, Biocant Park, Núcleo 04, Lote 8, Cantanhede, Portugal
| | - Teresa Cunha-Oliveira
- Mitochondrial Toxicology and Experimental Therapeutics Laboratory (MitoXT), CNC, Center for Neuroscience and Cell Biology, University of Coimbra, UC Biotech Building (Lote 8A), Biocant Park, 3060-197, Cantanhede, Portugal
| | - Paolo Sassone-Corsi
- Department of Biological Chemistry, Center for Epigenetics and Metabolism, University of California, Irvine, CA, 92697, USA
| | - Paulo J Oliveira
- Mitochondrial Toxicology and Experimental Therapeutics Laboratory (MitoXT), CNC, Center for Neuroscience and Cell Biology, University of Coimbra, UC Biotech Building (Lote 8A), Biocant Park, 3060-197, Cantanhede, Portugal. .,Institute for Interdisciplinary Research (I.I.I.), University of Coimbra, Coimbra, Portugal.
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23
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Kim SJ, Walsh J, Tunkel DE, Boss EF, Ryan M, Lee AH. Frequency of post-tonsillectomy hemorrhage relative to time of day. Laryngoscope 2019; 130:1823-1827. [PMID: 31566748 DOI: 10.1002/lary.28302] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 08/05/2019] [Accepted: 08/27/2019] [Indexed: 12/22/2022]
Abstract
OBJECTIVES Postoperative hemorrhage is a serious complication of tonsillectomy, with secondary bleeding rates affecting up to 0.8% to 3% of patients. Although these bleeds are anecdotally perceived as occurring more frequently at night, the occurrence of hemorrhage relative to the time of day has not been investigated. We measured the frequency of post-tonsillectomy hemorrhage onset relative to the time of day. METHODS We reviewed electronic medical records of all patients who experienced postprocedural hemorrhage (International Classification of Disease, Ninth Edition [ICD-9] 998.11, ICD-10 J95.830 at two hospitals within a tertiary academic health system in a 10-year period). Patient demographics, time of bleed onset, emergency room [ED] arrival time, and management (operating room vs. observation) were abstracted. Patients without a recorded bleeding time were excluded. Time of bleed onset was categorized as morning (6:01 am-12 pm), afternoon (12:01 pm-6 pm), evening (6:01 pm-12 am), or overnight (12:01 am-6 am). Chi-square goodness of fit test was used to assess the distribution of hemorrhage timing (P ≤ 0.05). RESULTS A total of 7,396 patients underwent tonsillectomy May 2008 through May 2018, among whom 121 (2%) post-tonsillectomy hemorrhage patients were identified. Among the 104 patients with ED arrival times, 29 (28%) arrived in the morning; 15 (14%) arrived in the afternoon; 40 (38%) arrived in the evening; and 20 (19%) arrived overnight (P = 0.003). Sixty patients (mean age 17.1 years, standard deviation 16.6) had a recorded timing of bleed onset. Bleed onset occurred most commonly overnight (24, 40%), followed by evening (21, 35%), afternoon (11, 18%), and morning (4, 7%) (P = 0.0007). CONCLUSION In this cohort, post-tonsillectomy hemorrhage occurred most frequently between midnight and 6 am. Our findings confirm anecdotal experience and provide data in setting caregiver expectations. LEVEL OF EVIDENCE 4 Laryngoscope, 130:1823-1827, 2020.
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Affiliation(s)
- Sun Joo Kim
- Johns Hopkins University School of Medicine, Baltimore, Maryland, U.S.A
| | - Jonathan Walsh
- Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, U.S.A
| | - David E Tunkel
- Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, U.S.A
| | - Emily F Boss
- Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, U.S.A
| | - Marisa Ryan
- Johns Hopkins University School of Medicine, Baltimore, Maryland, U.S.A
| | - Andrew H Lee
- Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, U.S.A
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Alibhai FJ, Reitz CJ, Peppler WT, Basu P, Sheppard P, Choleris E, Bakovic M, Martino TA. Female ClockΔ19/Δ19 mice are protected from the development of age-dependent cardiomyopathy. Cardiovasc Res 2019; 114:259-271. [PMID: 28927226 DOI: 10.1093/cvr/cvx185] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Accepted: 09/08/2017] [Indexed: 12/22/2022] Open
Abstract
Aims Circadian rhythms are important for healthy cardiovascular physiology and they are regulated by the molecular circadian mechanism. Previously, we showed that disruption of the circadian mechanism factor CLOCK in male ClockΔ19/Δ19 mice led to development of age-dependent cardiomyopathy. Here, we investigate the role of biological sex in protecting against heart disease in aging female ClockΔ19/Δ19 mice. Methods and results Female ClockΔ19/Δ19 mice are protected from the development of cardiomyopathy with age, as heart structure and function are similar to 18 months of age vs. female WT mice. We show that female ClockΔ19/Δ19 mice maintain normal glucose tolerance as compared with female WT. Tissue metabolic profiling revealed that aging female ClockΔ19/Δ19 mice maintain normal cardiac glucose uptake, whereas the male ClockΔ19/Δ19 mice have increased cardiac glucose uptake consistent with pathological remodelling. Shotgun lipidomics revealed differences in phospholipids that were sex and genotype specific, including cardiolipin CL76:11 that was increased and CL72:8 that was decreased in male ClockΔ19/Δ19 mice. Additionally, female ClockΔ19/Δ19 mice show increased activation of AKT signalling and preserved cytochrome c oxidase activity compared with male ClockΔ19/Δ19 mice, which can help to explain why they are protected from heart disease. To determine how this protection occurs in females even with the Clock mutation, we examined the effects of ovarian hormones. We show that ovarian hormones protect female ClockΔ19/Δ19 mice from heart disease as ovariectomized female ClockΔ19/Δ19 mice develop cardiac dilation, glucose intolerance and reduced cardiac cytochrome c oxidase; this phenotype is consistent with the age-dependent decline observed in male ClockΔ19/Δ19 mice. Conclusions These data demonstrate that ovarian hormones protect female ClockΔ19/Δ19 mice from the development of age-dependent cardiomyopathy even though Clock function is disturbed. Understanding the interaction of biological sex and the circadian mechanism in cardiac growth, renewal and remodelling opens new doors for understanding and treating heart disease.
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Affiliation(s)
- Faisal J Alibhai
- Department of Biomedical Sciences/OVC, Centre for Cardiovascular Investigations, University of Guelph, Room 1646B, University of Guelph, Guelph, ON N1G2W1, Canada
| | - Cristine J Reitz
- Department of Biomedical Sciences/OVC, Centre for Cardiovascular Investigations, University of Guelph, Room 1646B, University of Guelph, Guelph, ON N1G2W1, Canada
| | - Willem T Peppler
- Human Health and Nutritional Sciences, , University of Guelph, Room 1646B, University of Guelph, Guelph, ON N1G2W1, Canada
| | - Poulami Basu
- Human Health and Nutritional Sciences, , University of Guelph, Room 1646B, University of Guelph, Guelph, ON N1G2W1, Canada
| | - Paul Sheppard
- Department of Psychology and Neuroscience Program, University of Guelph, Room 1646B, University of Guelph, Guelph, ON N1G2W1, Canada
| | - Elena Choleris
- Department of Psychology and Neuroscience Program, University of Guelph, Room 1646B, University of Guelph, Guelph, ON N1G2W1, Canada
| | - Marica Bakovic
- Human Health and Nutritional Sciences, , University of Guelph, Room 1646B, University of Guelph, Guelph, ON N1G2W1, Canada
| | - Tami A Martino
- Department of Biomedical Sciences/OVC, Centre for Cardiovascular Investigations, University of Guelph, Room 1646B, University of Guelph, Guelph, ON N1G2W1, Canada
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Duong ATH, Reitz CJ, Louth EL, Creighton SD, Rasouli M, Zwaiman A, Kroetsch JT, Bolz SS, Winters BD, Bailey CDC, Martino TA. The Clock Mechanism Influences Neurobiology and Adaptations to Heart Failure in Clock ∆19/∆19 Mice With Implications for Circadian Medicine. Sci Rep 2019; 9:4994. [PMID: 30899044 PMCID: PMC6428811 DOI: 10.1038/s41598-019-41469-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Accepted: 03/05/2019] [Indexed: 02/07/2023] Open
Abstract
In this study we investigated the role of the circadian mechanism on cognition-relevant brain regions and neurobiological impairments associated with heart failure (HF), using murine models. We found that the circadian mechanism is an important regulator of healthy cognitive system neurobiology. Normal Clock∆19/∆19 mice had neurons with smaller apical dendrite trees in the medial prefrontal cortex (mPFC), and hippocampus, showed impaired visual-spatial memory, and exhibited lower cerebrovascular myogenic tone, versus wild types (WT). We then used the left anterior descending coronary artery ligation model to investigate adaptations in response to HF. Intriguingly, adaptations to neuron morphology, memory, and cerebrovascular tone occurred in differing magnitude and direction between Clock∆19/∆19 and WT mice, ultimately converging in HF. To investigate this dichotomous response, we performed microarrays and found genes crucial for growth and stress pathways that were altered in Clock∆19/∆19 mPFC and hippocampus. Thus these data demonstrate for the first time that (i) the circadian mechanism plays a role in neuron morphology and function; (ii) there are changes in neuron morphology and function in HF; (iii) CLOCK influences neurobiological gene adaptations to HF at a cellular level. These findings have clinical relevance as patients with HF often present with concurrent neurocognitive impairments. There is no cure for HF, and new understanding is needed to reduce morbidity and improve the quality of life for HF patients.
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Affiliation(s)
- Austin T H Duong
- Centre for Cardiovascular Investigations, Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Cristine J Reitz
- Centre for Cardiovascular Investigations, Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Emma L Louth
- Centre for Cardiovascular Investigations, Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada
| | | | - Mina Rasouli
- Centre for Cardiovascular Investigations, Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Ashley Zwaiman
- Centre for Cardiovascular Investigations, Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Jeffrey T Kroetsch
- Department of Physiology, University of Toronto, Toronto, Ontario, Canada
| | | | - Boyer D Winters
- Department of Psychology, University of Guelph, Guelph, Ontario, Canada
| | - Craig D C Bailey
- Centre for Cardiovascular Investigations, Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada.
| | - Tami A Martino
- Centre for Cardiovascular Investigations, Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada.
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Rabinovich-Nikitin I, Lieberman B, Martino TA, Kirshenbaum LA. Circadian-Regulated Cell Death in Cardiovascular Diseases. Circulation 2019; 139:965-980. [DOI: 10.1161/circulationaha.118.036550] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Inna Rabinovich-Nikitin
- The Institute of Cardiovascular Sciences, St Boniface Hospital Albrechtsen Research Centre, Department of Physiology and Pathophysiology, Rady College of Medicine, Max Rady Faculty of Health Sciences, University of Manitoba, Canada (I.R.-N., B.L., L.A.K.)
| | - Brooke Lieberman
- The Institute of Cardiovascular Sciences, St Boniface Hospital Albrechtsen Research Centre, Department of Physiology and Pathophysiology, Rady College of Medicine, Max Rady Faculty of Health Sciences, University of Manitoba, Canada (I.R.-N., B.L., L.A.K.)
| | - Tami A. Martino
- Centre for Cardiovascular Investigations, Biomedical Sciences/Ontario Veterinary College, University of Guelph, Canada (T.A.M.)
| | - Lorrie A. Kirshenbaum
- The Institute of Cardiovascular Sciences, St Boniface Hospital Albrechtsen Research Centre, Department of Physiology and Pathophysiology, Rady College of Medicine, Max Rady Faculty of Health Sciences, University of Manitoba, Canada (I.R.-N., B.L., L.A.K.)
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Glen Pyle W, Martino TA. Circadian rhythms influence cardiovascular disease differently in males and females: role of sex and gender. CURRENT OPINION IN PHYSIOLOGY 2018. [DOI: 10.1016/j.cophys.2018.05.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Khaper N, Bailey CDC, Ghugre NR, Reitz C, Awosanmi Z, Waines R, Martino TA. Implications of disturbances in circadian rhythms for cardiovascular health: A new frontier in free radical biology. Free Radic Biol Med 2018; 119:85-92. [PMID: 29146117 DOI: 10.1016/j.freeradbiomed.2017.11.006] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Revised: 10/27/2017] [Accepted: 11/08/2017] [Indexed: 01/19/2023]
Abstract
Cell autonomous circadian "clock" mechanisms are present in virtually every organ, and generate daily rhythms that are important for normal physiology. This is especially relevant to the cardiovascular system, for example the circadian mechanism orchestrates rhythms in heart rate, blood pressure, cardiac contractility, metabolism, gene and protein abundance over the 24-h day and night cycles. Conversely, disturbing circadian rhythms (e.g. via shift work, sleep disorders) increases cardiovascular disease risk, and exacerbates cardiac remodelling and worsens outcome. Notably, reactive oxygen species (ROS) are important contributors to heart disease, especially the pathophysiologic damage that occurs after myocardial infarction (MI, heart attack). However, little is known about how the circadian mechanism, or rhythm desynchrony, is involved in these key pathologic stress responses. This review summarizes the current knowledge on circadian rhythms in the cardiovascular system, and the implications of rhythm disturbances for cardiovascular health. Furthermore, we highlight how free radical biology coincides with the pathogenesis of myocardial repair and remodelling after MI, and indicate a role for the circadian system in the oxidative stress pathways in the heart and brain after MI. This fusion of circadian biology with cardiac oxidative stress pathways is novel, and offers enormous potential for improving our understanding and treatment of heart disease.
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Affiliation(s)
- Neelam Khaper
- Medical Sciences Division, Northern Ontario School of Medicine, Lakehead University, 955 Oliver Road, Thunder Bay, Ontario, Canada P7B5E1
| | - Craig D C Bailey
- Centre for Cardiovascular Investigations, Department of Biomedical Sciences/OVC, University of Guelph, Guelph, Ontario, Canada N1G2W1
| | - Nilesh R Ghugre
- Schulich Heart Research Program, Sunnybrook Research Institute, Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada M4N 3M5
| | - Cristine Reitz
- Centre for Cardiovascular Investigations, Department of Biomedical Sciences/OVC, University of Guelph, Guelph, Ontario, Canada N1G2W1
| | - Zikra Awosanmi
- Centre for Cardiovascular Investigations, Department of Biomedical Sciences/OVC, University of Guelph, Guelph, Ontario, Canada N1G2W1
| | - Ryan Waines
- Centre for Cardiovascular Investigations, Department of Biomedical Sciences/OVC, University of Guelph, Guelph, Ontario, Canada N1G2W1
| | - Tami A Martino
- Centre for Cardiovascular Investigations, Department of Biomedical Sciences/OVC, University of Guelph, Guelph, Ontario, Canada N1G2W1.
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Douma LG, Gumz ML. Circadian clock-mediated regulation of blood pressure. Free Radic Biol Med 2018; 119:108-114. [PMID: 29198725 PMCID: PMC5910276 DOI: 10.1016/j.freeradbiomed.2017.11.024] [Citation(s) in RCA: 149] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Revised: 11/21/2017] [Accepted: 11/28/2017] [Indexed: 12/24/2022]
Abstract
Most bodily functions vary over the course of a 24h day. Circadian rhythms in body temperature, sleep-wake cycles, metabolism, and blood pressure (BP) are just a few examples. These circadian rhythms are controlled by the central clock in the suprachiasmatic nucleus (SCN) of the hypothalamus and peripheral clocks located throughout the body. Light and food cues entrain these clocks to the time of day and this synchronicity contributes to the regulation of a variety of physiological processes with effects on overall health. The kidney, brain, nervous system, vasculature, and heart have been identified through the use of mouse models and clinical trials as peripheral clock regulators of BP. The dysregulation of this circadian pattern of BP, with or without hypertension, is associated with increased risk for cardiovascular disease. The mechanism of this dysregulation is unknown and is a growing area of research. In this review, we highlight research of human and mouse circadian models that has provided insight into the roles of these molecular clocks and their effects on physiological functions. Additional tissue-specific studies of the molecular clock mechanism are needed, as well as clinical studies including more diverse populations (different races, female patients, etc.), which will be critical to fully understand the mechanism of circadian regulation of BP. Understanding how these molecular clocks regulate the circadian rhythm of BP is critical in the treatment of circadian BP dysregulation and hypertension.
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Affiliation(s)
- Lauren G Douma
- Department of Medicine, Division of Nephrology, Hypertension and Renal Transplantation, University of Florida, Gainesville, FL 32610, United States; Department of Biochemistry and Molecular Biology, University of Florida, Gainesville, FL 32610, United States
| | - Michelle L Gumz
- Department of Medicine, Division of Nephrology, Hypertension and Renal Transplantation, University of Florida, Gainesville, FL 32610, United States; Department of Biochemistry and Molecular Biology, University of Florida, Gainesville, FL 32610, United States.
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Buss MR, Wirth MD, Burch JB. Association of shiftwork and leukocytes among national health and nutrition examination survey respondents. Chronobiol Int 2017; 35:435-439. [PMID: 29211507 DOI: 10.1080/07420528.2017.1408639] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Shift workers may experience disrupted sleep-wake or circadian cycles which, in turn, may lead to major health problems such as hypertension, obesity, and diabetes. Research indicates that shift workers have increased levels of leukocytes. Data from the National Health and Nutrition Examination Survey (2005-2010) examined the relationship between self-reported current shiftwork and leukocytes with adjustment for important confounders. Using linear regression, we found no association between shiftwork and leukocyte counts. Those not working had elevated levels compared to day workers but values in both groups were still within normal ranges. Additional research is needed to fully understand how shiftwork influences changes in leukocyte counts.
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Affiliation(s)
- Megan R Buss
- a Department of Epidemiology and Biostatistics, University of South Carolina, Columbia, SC
| | - Michael D Wirth
- a Department of Epidemiology and Biostatistics, University of South Carolina, Columbia, SC.,b Cancer Prevention and Control Program, University of South Carolina, Columbia, SC.,c College of Nursing, University of South Carolina , Columbia , SC.,d Connecting Healthy Innovations , Columbia , SC
| | - James B Burch
- a Department of Epidemiology and Biostatistics, University of South Carolina, Columbia, SC.,b Cancer Prevention and Control Program, University of South Carolina, Columbia, SC.,e WJB Dorn VA Medical Center , Columbia , SC
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A Journey into the Science of Cardiovascular Chronobiology. Heart Fail Clin 2017; 13:xiii-xv. [PMID: 28865786 DOI: 10.1016/j.hfc.2017.06.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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