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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] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 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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2
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Lal H, Verma SK, Wang Y, Xie M, Young ME. Circadian Rhythms in Cardiovascular Metabolism. Circ Res 2024; 134:635-658. [PMID: 38484029 PMCID: PMC10947116 DOI: 10.1161/circresaha.123.323520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Accepted: 01/23/2024] [Indexed: 03/19/2024]
Abstract
Energetic demand and nutrient supply fluctuate as a function of time-of-day, in alignment with sleep-wake and fasting-feeding cycles. These daily rhythms are mirrored by 24-hour oscillations in numerous cardiovascular functional parameters, including blood pressure, heart rate, and myocardial contractility. It is, therefore, not surprising that metabolic processes also fluctuate over the course of the day, to ensure temporal needs for ATP, building blocks, and metabolism-based signaling molecules are met. What has become increasingly clear is that in addition to classic signal-response coupling (termed reactionary mechanisms), cardiovascular-relevant cells use autonomous circadian clocks to temporally orchestrate metabolic pathways in preparation for predicted stimuli/stresses (termed anticipatory mechanisms). Here, we review current knowledge regarding circadian regulation of metabolism, how metabolic rhythms are synchronized with cardiovascular function, and whether circadian misalignment/disruption of metabolic processes contribute toward the pathogenesis of cardiovascular disease.
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Affiliation(s)
- Hind Lal
- Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Suresh Kumar Verma
- Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Yajing Wang
- Department of Biomedical Engineering, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Min Xie
- Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Martin E. Young
- Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA
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3
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Abstract
Circadian rhythms exert a profound impact on most aspects of mammalian physiology, including the immune and cardiovascular systems. Leukocytes engage in time-of-day-dependent interactions with the vasculature, facilitating the emigration to and the immune surveillance of tissues. This review provides an overview of circadian control of immune-vascular interactions in both the steady state and cardiovascular diseases such as atherosclerosis and infarction. Circadian rhythms impact both the immune and vascular facets of these interactions, primarily through the regulation of chemoattractant and adhesion molecules on immune and endothelial cells. Misaligned light conditions disrupt this rhythm, generally exacerbating atherosclerosis and infarction. In cardiovascular diseases, distinct circadian clock genes, while functioning as part of an integrated circadian system, can have proinflammatory or anti-inflammatory effects on these immune-vascular interactions. Here, we discuss the mechanisms and relevance of circadian rhythms in vascular immunopathologies.
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Affiliation(s)
- Qun Zeng
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland (Q.Z., V.M.O., C.S.)
| | - Valeria Maria Oliva
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland (Q.Z., V.M.O., C.S.)
| | - María Ángeles Moro
- Centro Nacional de Investigaciones Cardiovasculares Carlos III, Madrid, Spain (M.Á.M.)
| | - Christoph Scheiermann
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland (Q.Z., V.M.O., C.S.)
- Geneva Center for Inflammation Research, Switzerland (C.S.)
- Translational Research Centre in Oncohaematology, Geneva, Switzerland (C.S.)
- Biomedical Center, Institute for Cardiovascular Physiology and Pathophysiology, Walter Brendel Center for Experimental Medicine, Faculty of Medicine, Ludwig-Maximilians-Universität Munich, Germany (C.S.)
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4
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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:S1043-2760(24)00040-7. [PMID: 38458859 DOI: 10.1016/j.tem.2024.02.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [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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5
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Bhaskara M, Anjorin O, Yoniles A, Liu J, Wang M. Importance of Per2 in cardiac mitochondrial protection during stress. Sci Rep 2024; 14:1290. [PMID: 38221535 PMCID: PMC10788343 DOI: 10.1038/s41598-024-51799-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 01/09/2024] [Indexed: 01/16/2024] Open
Abstract
During myocardial injury, inflammatory mediators and oxidative stress significantly increase to impair cardiac mitochondria. Emerging evidence has highlighted interplays between circadian protein-period 2 (Per2) and mitochondrial metabolism. However, besides circadian rhythm regulation, the direct role of Per2 in mitochondrial performance particularly following acute stress, remains unknown. In this study, we aim to determine the importance of Per2 protein's regulatory role in mitochondrial function following exposure to inflammatory cytokine TNFα and oxidative stressor H2O2 in human cardiomyocytes. Global warm ischemia (37 °C) significantly impaired complex I activity with concurrently reduced mitochondrial Per2 in adult mouse hearts. TNFα or H2O2 decreased Per2 protein levels and damaged mitochondrial respiratory function in adult mouse cardiomyocytes. Next, mitochondrial membrane potential ([Formula: see text] M) using JC-1 fluorescence probe and mitochondrial respiration capacity via Seahorse Cell Mito Stress Test were then detected in Per2 or control siRNA transfected AC16 Human Cardiomyocytes (HCM) that were subjected to 2 h-treatment of TNFα (100 ng/ml) or H2O2 (100 μM). After 4 h-treatment, cell death was also measured using Annexin V and propidium iodide apoptosis kit through flow cytometry. We found that knockdown of Per2 enhanced TNFα-induced cell death and TNFα- or H2O2-disrupted [Formula: see text]M, as well as TNFα- or H2O2-impaired mitochondrial respiration function. In conclusion, Per2 knockdown increases likelihood of cell death and mitochondrial dysfunction in human cardiomyocytes exposed to either TNFα or H2O2, supporting the protective role of Per2 in HCM during stress with a focus on mitochondrial function.
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Affiliation(s)
| | - Olufisayo Anjorin
- Department of Surgery, Indiana University School of Medicine, 950 W. Walnut Street, R2 E319, Indianapolis, IN, 46202, USA
| | - Arris Yoniles
- Indiana University School of Medicine, Indianapolis, IN, USA
| | - Jianyun Liu
- Department of Surgery, Indiana University School of Medicine, 950 W. Walnut Street, R2 E319, Indianapolis, IN, 46202, USA
| | - Meijing Wang
- Department of Surgery, Indiana University School of Medicine, 950 W. Walnut Street, R2 E319, Indianapolis, IN, 46202, USA.
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6
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Zhao Y, Xiong W, Li C, Zhao R, Lu H, Song S, Zhou Y, Hu Y, Shi B, Ge J. Hypoxia-induced signaling in the cardiovascular system: pathogenesis and therapeutic targets. Signal Transduct Target Ther 2023; 8:431. [PMID: 37981648 PMCID: PMC10658171 DOI: 10.1038/s41392-023-01652-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 09/10/2023] [Accepted: 09/13/2023] [Indexed: 11/21/2023] Open
Abstract
Hypoxia, characterized by reduced oxygen concentration, is a significant stressor that affects the survival of aerobic species and plays a prominent role in cardiovascular diseases. From the research history and milestone events related to hypoxia in cardiovascular development and diseases, The "hypoxia-inducible factors (HIFs) switch" can be observed from both temporal and spatial perspectives, encompassing the occurrence and progression of hypoxia (gradual decline in oxygen concentration), the acute and chronic manifestations of hypoxia, and the geographical characteristics of hypoxia (natural selection at high altitudes). Furthermore, hypoxia signaling pathways are associated with natural rhythms, such as diurnal and hibernation processes. In addition to innate factors and natural selection, it has been found that epigenetics, as a postnatal factor, profoundly influences the hypoxic response and progression within the cardiovascular system. Within this intricate process, interactions between different tissues and organs within the cardiovascular system and other systems in the context of hypoxia signaling pathways have been established. Thus, it is the time to summarize and to construct a multi-level regulatory framework of hypoxia signaling and mechanisms in cardiovascular diseases for developing more therapeutic targets and make reasonable advancements in clinical research, including FDA-approved drugs and ongoing clinical trials, to guide future clinical practice in the field of hypoxia signaling in cardiovascular diseases.
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Affiliation(s)
- Yongchao Zhao
- Department of Cardiology, Affiliated Hospital of Zunyi Medical University, Zunyi, 563000, China
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, 200032, China
| | - Weidong Xiong
- Department of Cardiology, Affiliated Hospital of Zunyi Medical University, Zunyi, 563000, China
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, 200032, China
- Key Laboratory of Viral Heart Diseases, National Health Commission, Shanghai, 200032, China
- Key Laboratory of Viral Heart Diseases, Chinese Academy of Medical Sciences, Shanghai, 200032, China
| | - Chaofu Li
- Department of Cardiology, Affiliated Hospital of Zunyi Medical University, Zunyi, 563000, China
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, 200032, China
| | - Ranzun Zhao
- Department of Cardiology, Affiliated Hospital of Zunyi Medical University, Zunyi, 563000, China
| | - Hao Lu
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, 200032, China
- National Clinical Research Center for Interventional Medicine, Shanghai, 200032, China
- Shanghai Clinical Research Center for Interventional Medicine, Shanghai, 200032, China
| | - Shuai Song
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, 200032, China
- National Clinical Research Center for Interventional Medicine, Shanghai, 200032, China
- Shanghai Clinical Research Center for Interventional Medicine, Shanghai, 200032, China
| | - You Zhou
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, 200032, China
- National Clinical Research Center for Interventional Medicine, Shanghai, 200032, China
- Shanghai Clinical Research Center for Interventional Medicine, Shanghai, 200032, China
| | - Yiqing Hu
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, 200032, China.
| | - Bei Shi
- Department of Cardiology, Affiliated Hospital of Zunyi Medical University, Zunyi, 563000, China.
| | - Junbo Ge
- Department of Cardiology, Affiliated Hospital of Zunyi Medical University, Zunyi, 563000, China.
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, 200032, China.
- Key Laboratory of Viral Heart Diseases, National Health Commission, Shanghai, 200032, China.
- Key Laboratory of Viral Heart Diseases, Chinese Academy of Medical Sciences, Shanghai, 200032, China.
- National Clinical Research Center for Interventional Medicine, Shanghai, 200032, China.
- Shanghai Clinical Research Center for Interventional Medicine, Shanghai, 200032, China.
- Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, China.
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7
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Wang L, Liu Y, Tian R, Zuo W, Qian H, Wang L, Yang X, Liu Z, Zhang S. What do we know about platelets in myocardial ischemia-reperfusion injury and why is it important? Thromb Res 2023; 229:114-126. [PMID: 37437517 DOI: 10.1016/j.thromres.2023.06.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 05/22/2023] [Accepted: 06/23/2023] [Indexed: 07/14/2023]
Abstract
Myocardial ischemia-reperfusion injury (MIRI), the joint result of ischemic injury and reperfusion injury, is associated with poor outcomes in patients with acute myocardial infarction undergoing primary percutaneous coronary intervention. Accumulating evidence demonstrates that activated platelets directly contribute to the pathogenesis of MIRI through participating in the formation of microthrombi, interaction with leukocytes, secretion of active substances, constriction of microvasculature, and activation of spinal afferent nerves. The molecular mechanisms underlying the above detrimental effects of activated platelets include the homotypic and heterotypic interactions through surface receptors, transduction of intracellular signals, and secretion of active substances. Revealing the roles of platelet activation in MIRI and the associated mechanisms would provide potential targets/strategies for the clinical evaluation and treatment of MIRI. Further studies are needed to characterize the temporal (ischemia phase vs. reperfusion phase) and spatial (systemic vs. local) distributions of platelet activation in MIRI by multi-omics strategies. To improve the likelihood of translating novel cardioprotective interventions into clinical practice, basic researches maximally replicating the complexity of clinical scenarios would be necessary.
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Affiliation(s)
- Lun Wang
- Department of Internal Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China
| | - Yifan Liu
- Department of Internal Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China
| | - Ran Tian
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China
| | - Wei Zuo
- Department of Pharmacy, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China
| | - Hao Qian
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China
| | - Liang Wang
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China
| | - Xinglin Yang
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China
| | - Zhenyu Liu
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China.
| | - Shuyang Zhang
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China.
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8
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Hao KL, Zhai QC, Gu Y, Chen YQ, Wang YN, Liu R, Yan SP, Wang Y, Shi YF, Lei W, Shen ZY, Xu Y, Hu SJ. Disturbance of suprachiasmatic nucleus function improves cardiac repair after myocardial infarction by IGF2-mediated macrophage transition. Acta Pharmacol Sin 2023; 44:1612-1624. [PMID: 36747104 PMCID: PMC10374569 DOI: 10.1038/s41401-023-01059-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 01/17/2023] [Indexed: 02/08/2023] Open
Abstract
Suprachiasmatic nucleus (SCN) in mammals functions as the master circadian pacemaker that coordinates temporal organization of physiological processes with the environmental light/dark cycles. But the causative links between SCN and cardiovascular diseases, specifically the reparative responses after myocardial infarction (MI), remain largely unknown. In this study we disrupted mouse SCN function to investigate the role of SCN in cardiac dysfunction post-MI. Bilateral ablation of the SCN (SCNx) was generated in mice by electrical lesion; myocardial infarction was induced via ligation of the mid-left anterior descending artery (LAD); cardiac function was assessed using echocardiography. We showed that SCN ablation significantly alleviated MI-induced cardiac dysfunction and cardiac fibrosis, and promoted angiogenesis. RNA sequencing revealed differentially expressed genes in the heart of SCNx mice from D0 to D3 post-MI, which were functionally associated with the inflammatory response and cytokine-cytokine receptor interaction. Notably, the expression levels of insulin-like growth factor 2 (Igf2) in the heart and serum IGF2 concentration were significantly elevated in SCNx mice on D3 post-MI. Stimulation of murine peritoneal macrophages in vitro with serum isolated from SCNx mice on D3 post-MI accelerated the transition of anti-inflammatory macrophages, while antibody-mediated neutralization of IGF2 receptor blocked the macrophage transition toward the anti-inflammatory phenotype in vitro as well as the corresponding cardioprotective effects observed in SCNx mice post-MI. In addition, disruption of mouse SCN function by exposure to a desynchronizing condition (constant light) caused similar protective effects accompanied by elevated IGF2 expression on D3 post-MI. Finally, mice deficient in the circadian core clock genes (Ckm-cre; Bmal1f/f mice or Per1/2 double knockout) did not lead to increased serum IGF2 concentration and showed no protective roles in post-MI, suggesting that the cardioprotective effect observed in this study was mediated particularly by the SCN itself, but not by self-sustained molecular clock. Together, we demonstrate that inhibition of SCN function promotes Igf2 expression, which leads to macrophage transition and improves cardiac repair post-MI.
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Affiliation(s)
- Kai-Li Hao
- Department of Cardiovascular Surgery of the First Affiliated Hospital & Institute for Cardiovascular Science, Collaborative Innovation Center of Hematology, State Key Laboratory of Radiation Medicine and Protection, Suzhou Medical College, Soochow University, Suzhou, 215000, China
| | - Qiao-Cheng Zhai
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and Cambridge-Su Genomic Resource Center, Suzhou Medical College, Soochow University, Suzhou, 215123, China
| | - Yue Gu
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and Cambridge-Su Genomic Resource Center, Suzhou Medical College, Soochow University, Suzhou, 215123, China
| | - Yue-Qiu Chen
- Department of Cardiovascular Surgery of the First Affiliated Hospital & Institute for Cardiovascular Science, Collaborative Innovation Center of Hematology, State Key Laboratory of Radiation Medicine and Protection, Suzhou Medical College, Soochow University, Suzhou, 215000, China
| | - Ya-Ning Wang
- Department of Cardiovascular Surgery of the First Affiliated Hospital & Institute for Cardiovascular Science, Collaborative Innovation Center of Hematology, State Key Laboratory of Radiation Medicine and Protection, Suzhou Medical College, Soochow University, Suzhou, 215000, China
| | - Rui Liu
- The First Affiliated Hospital of Soochow University, State Key Laboratory of Radiation Medicine and Protection, Institutes for Translational Medicine, Suzhou Medical College, Soochow University, Suzhou, 215123, China
| | - Shi-Ping Yan
- Department of Cardiovascular Surgery of the First Affiliated Hospital & Institute for Cardiovascular Science, Collaborative Innovation Center of Hematology, State Key Laboratory of Radiation Medicine and Protection, Suzhou Medical College, Soochow University, Suzhou, 215000, China
| | - Ying Wang
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, Shanghai, 200031, China
| | - Yu-Fang Shi
- The First Affiliated Hospital of Soochow University, State Key Laboratory of Radiation Medicine and Protection, Institutes for Translational Medicine, Suzhou Medical College, Soochow University, Suzhou, 215123, China
| | - Wei Lei
- Department of Cardiovascular Surgery of the First Affiliated Hospital & Institute for Cardiovascular Science, Collaborative Innovation Center of Hematology, State Key Laboratory of Radiation Medicine and Protection, Suzhou Medical College, Soochow University, Suzhou, 215000, China.
| | - Zhen-Ya Shen
- Department of Cardiovascular Surgery of the First Affiliated Hospital & Institute for Cardiovascular Science, Collaborative Innovation Center of Hematology, State Key Laboratory of Radiation Medicine and Protection, Suzhou Medical College, Soochow University, Suzhou, 215000, China.
| | - Ying Xu
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and Cambridge-Su Genomic Resource Center, Suzhou Medical College, Soochow University, Suzhou, 215123, China.
| | - Shi-Jun Hu
- Department of Cardiovascular Surgery of the First Affiliated Hospital & Institute for Cardiovascular Science, Collaborative Innovation Center of Hematology, State Key Laboratory of Radiation Medicine and Protection, Suzhou Medical College, Soochow University, Suzhou, 215000, China.
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9
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Pelham JF, Mosier AE, Altshuler SC, Rhodes ML, Kirchhoff CL, Fall WB, Mann C, Baik LS, Chiu JC, Hurley JM. Conformational changes in the negative arm of the circadian clock correlate with dynamic interactomes involved in post-transcriptional regulation. Cell Rep 2023; 42:112376. [PMID: 37043358 PMCID: PMC10562519 DOI: 10.1016/j.celrep.2023.112376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 09/16/2022] [Accepted: 03/24/2023] [Indexed: 04/13/2023] Open
Abstract
Biology is tuned to the Earth's diurnal cycle by the circadian clock, a transcriptional/translational negative feedback loop that regulates physiology via transcriptional activation and other post-transcriptional mechanisms. We hypothesize that circadian post-transcriptional regulation might stem from conformational shifts in the intrinsically disordered proteins that comprise the negative arm of the feedback loop to coordinate variation in negative-arm-centered macromolecular complexes. This work demonstrates temporal conformational fluidity in the negative arm that correlates with 24-h variation in physiologically diverse macromolecular complex components in eukaryotic clock proteins. Short linear motifs on the negative-arm proteins that correspond with the interactors localized to disordered regions and known temporal phosphorylation sites suggesting changes in these macromolecular complexes could be due to conformational changes imparted by the temporal phospho-state. Interactors that oscillate in the macromolecular complexes over circadian time correlate with post-transcriptionally regulated proteins, highlighting how time-of-day variation in the negative-arm protein complexes may tune cellular physiology.
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Affiliation(s)
- Jacqueline F Pelham
- Department of Biological Sciences, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
| | - Alexander E Mosier
- Department of Biological Sciences, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
| | - Samuel C Altshuler
- Department of Biological Sciences, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
| | - Morgan L Rhodes
- Department of Biological Sciences, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
| | | | - William B Fall
- Department of Biological Sciences, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
| | - Catherine Mann
- Department of Biological Sciences, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
| | - Lisa S Baik
- Department of Entomology and Nematology, University of California, Davis, Davis, CA 95616, USA
| | - Joanna C Chiu
- Department of Entomology and Nematology, University of California, Davis, Davis, CA 95616, USA
| | - Jennifer M Hurley
- Department of Biological Sciences, Rensselaer Polytechnic Institute, Troy, NY 12180, USA; Center for Biotechnology and Interdisciplinary Sciences, Rensselaer Polytechnic Institute, Troy, NY 12180, USA.
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10
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Prin M, Pattee J, Douin DJ, Scott BK, Ginde AA, Eckle T. Time-of-day dependent effects of midazolam administration on myocardial injury in non-cardiac surgery. Front Cardiovasc Med 2022; 9:982209. [PMID: 36386382 PMCID: PMC9650651 DOI: 10.3389/fcvm.2022.982209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 10/10/2022] [Indexed: 01/22/2023] Open
Abstract
Background Animal studies have shown that midazolam can increase vulnerability to cardiac ischemia, potentially via circadian-mediated mechanisms. We hypothesized that perioperative midazolam administration is associated with an increased incidence of myocardial injury in patients undergoing non-cardiac surgery (MINS) and that circadian biology may underlie this relationship. Methods We analyzed intraoperative data from the Multicenter Perioperative Outcomes Group for the occurrence of MINS across 50 institutions from 2014 to 2019. The primary outcome was the occurrence of MINS. MINS was defined as having at least one troponin-I lab value ≥0.03 ng/ml from anesthesia start to 72 h after anesthesia end. To account for bias, propensity scores and inverse probability of treatment weighting were applied. Results A total of 1,773,118 cases were available for analysis. Of these subjects, 951,345 (53.7%) received midazolam perioperatively, and 16,404 (0.93%) met criteria for perioperative MINS. There was no association between perioperative midazolam administration and risk of MINS in the study population as a whole (odds ratio (OR) 0.98, confidence interval (CI) [0.94, 1.01]). However, we found a strong association between midazolam administration and risk of MINS when surgery occurred overnight (OR 3.52, CI [3.10, 4.00]) or when surgery occurred in ASA 1 or 2 patients (OR 1.25, CI [1.13, 1.39]). Conclusion Perioperative midazolam administration may not pose a significant risk for MINS occurrence. However, midazolam administration at night and in healthier patients could increase MINS, which warrants further clinical investigation with an emphasis on circadian biology.
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11
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Oyama Y, Shuff SR, Burns N, Vohwinkel CU, Eckle T. Intense light-elicited alveolar type 2-specific circadian PER2 protects from bacterial lung injury via BPIFB1. Am J Physiol Lung Cell Mol Physiol 2022; 322:L647-L661. [PMID: 35272486 PMCID: PMC9037706 DOI: 10.1152/ajplung.00301.2021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Circadian amplitude enhancement has the potential to be organ protective but has not been studied in acute lung injury (ALI). Consistent light and dark cycles are crucial for the amplitude regulation of the circadian rhythm protein Period2 (PER2). Housing mice under intense instead of ambient light for 1 wk (light: dark cycle:14h:10h), we demonstrated a robust increase of pulmonary PER2 trough and peak levels, which is consistent with circadian amplitude enhancement. A search for the affected lung cell type suggested alveolar type 2 (ATII) cells as strong candidates for light induction of PER2. A head-to-head comparison of mice with cell-type-specific deletion of Per2 in ATII, endothelial, or myeloid cells uncovered a dramatic phenotype in mice with an ATII-specific deletion of Per2. During Pseudomonas aeruginosa-induced ALI, mice with Per2 deletion in ATII cells showed 0% survival, whereas 85% of control mice survived. Subsequent studies demonstrated that intense light therapy dampened lung inflammation or improved the alveolar barrier function during P. aeruginosa-induced ALI, which was abolished in mice with an ATII-specific deletion of Per2. A genome-wide mRNA array uncovered bactericidal/permeability-increasing fold-containing family B member 1 (BPIFB1) as a downstream target of intense light-elicited ATII-PER2 mediated lung protection. Using the flavonoid and PER2 amplitude enhancer nobiletin, we recapitulated the lung-protective and anti-inflammatory effects of light and BPIFB1, respectively. Together, our studies demonstrate that light-elicited amplitude enhancement of ATII-specific PER2 is a critical control point of inflammatory pathways during bacterial ALI.
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Affiliation(s)
- Yoshimasa Oyama
- 1Department of Anesthesiology, University of Colorado Denver School of Medicine, Aurora, Colorado,2Department of Anesthesiology and Intensive Care Medicine, Oita University Faculty of Medicine, Oita, Japan
| | - Sydney R. Shuff
- 1Department of Anesthesiology, University of Colorado Denver School of Medicine, Aurora, Colorado
| | - Nana Burns
- 3Developmental Lung Biology, Cardiovascular Pulmonary Research Laboratories, Division of Pediatric Critical Care, Department of Medicine and Pediatrics, University of Colorado, Aurora, Colorado
| | - Christine U. Vohwinkel
- 3Developmental Lung Biology, Cardiovascular Pulmonary Research Laboratories, Division of Pediatric Critical Care, Department of Medicine and Pediatrics, University of Colorado, Aurora, Colorado
| | - Tobias Eckle
- 1Department of Anesthesiology, University of Colorado Denver School of Medicine, Aurora, Colorado,4Department of Cell and Developmental Biology, University of Colorado Denver School of Medicine, Aurora, Colorado
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12
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Locatelli L, Castiglioni S, Maier JAM. From Cultured Vascular Cells to Vessels: The Cellular and Molecular Basis of Vascular Dysfunction in Space. Front Bioeng Biotechnol 2022; 10:862059. [PMID: 35480977 PMCID: PMC9036997 DOI: 10.3389/fbioe.2022.862059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 03/18/2022] [Indexed: 11/23/2022] Open
Abstract
Life evolved on this planet under the pull of gravity, shielded from radiation by the magnetosphere and shaped by circadian rhythms due to Earth’s rotation on its axis. Once living beings leave such a protective environment, adaptive responses are activated to grant survival. In view of long manned mission out of Earth’s orbit, it is relevant to understand how humans adapt to space and if the responses activated might reveal detrimental in the long run. Here we review present knowledge about the effects on the vessels of various extraterrestrial factors on humans as well as in vivo and in vitro experimental models. It emerges that the vasculature activates complex adaptive responses finalized to supply oxygen and nutrients to all the tissues and to remove metabolic waste and carbon dioxide. Most studies point to oxidative stress and mitochondrial dysfunction as mediators of vascular alterations in space. Unraveling the cellular and molecular mechanisms involved in these adaptive processes might offer hints to design proper and personalized countermeasures to predict a safe future in space.
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Affiliation(s)
- Laura Locatelli
- Department of Biomedical and Clinical Sciences L. Sacco, Università di Milano, Milano, Italy
| | - Sara Castiglioni
- Department of Biomedical and Clinical Sciences L. Sacco, Università di Milano, Milano, Italy
| | - Jeanette A M Maier
- Department of Biomedical and Clinical Sciences L. Sacco, Università di Milano, Milano, Italy.,Interdisciplinary Centre for Nanostructured Materials and Interfaces (CIMaINa), Università di Milano, Milan, Italy
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13
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Weng Y, Li H, Gao L, Guo W, Xu S, Li L. PER2 Regulates Reactive Oxygen Species Production in the Circadian Susceptibility to Ischemia/Reperfusion Injury in the Heart. Oxid Med Cell Longev 2021; 2021:6256399. [PMID: 34659637 DOI: 10.1155/2021/6256399] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 08/15/2021] [Accepted: 08/24/2021] [Indexed: 11/21/2022]
Abstract
The main objective of this study was to investigate the diurnal differences in Period 2 (PER2) expression in myocardial ischemia-reperfusion (I/R) injury. We investigated diurnal variations in oxidative stress and energy metabolism after myocardial I/R in vitro and in vivo. In addition, we also analyzed the effects of H2O2 treatment and serum shock in H9c2 cells transfected with silencing RNA against Per2 (siRNA-Per2) in vitro. We used C57BL/6 male mice to construct a model of I/R injury at zeitgeber time (ZT) 2 and ZT14 by synchronizing the circadian rhythms. Our in vivo analysis demonstrated that there were diurnal differences in the severity of injury caused by myocardial infarctions, with more injury occurring in the daytime. PER2 was significantly reduced in heart tissue in the daytime and was higher at night. Our results also showed that more severe injury of mitochondrial function in daytime produced more reactive oxygen species (ROS) and less ATP, which increased myocardial injury. In vitro, our findings presented a similar trend showing that apoptosis of H9c2 cells was increased when PER2 expression was lower. Meanwhile, downregulation of PER2 disrupted the oxidative balance by increasing ROS and mitochondrial injury. The result was a reduction in ATP and failure to provide sufficient energy protection for cardiomyocytes.
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14
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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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15
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Abstract
Immune responses are gated to protect the host against specific antigens and microbes, a task that is achieved through antigen- and pattern-specific receptors. Less appreciated is that in order to optimize responses and to avoid collateral damage to the host, immune responses must be additionally gated in intensity and time. An evolutionary solution to this challenge is provided by the circadian clock, an ancient time-keeping mechanism that anticipates environmental changes and represents a fundamental property of immunity. Immune responses, however, are not exclusive to immune cells and demand the coordinated action of nonhematopoietic cells interspersed within the architecture of tissues. Here, we review the circadian features of innate immunity as they encompass effector immune cells as well as structural cells that orchestrate their responses in space and time. We finally propose models in which the central clock, structural elements, and immune cells establish multidirectional circadian circuits that may shape the efficacy and strength of immune responses and other physiological processes.
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Affiliation(s)
- Miguel Palomino-Segura
- Area of Cell and Developmental Biology, Centro Nacional de Investigaciones Cardiovasculares Carlos III, Madrid, Spain
| | - Andrés Hidalgo
- Area of Cell and Developmental Biology, Centro Nacional de Investigaciones Cardiovasculares Carlos III, Madrid, Spain
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16
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Oyama Y, Walker LA, Eckle T. Targeting circadian PER2 as therapy in myocardial ischemia and reperfusion injury. Chronobiol Int 2021; 38:1262-1273. [PMID: 34034593 PMCID: PMC8355134 DOI: 10.1080/07420528.2021.1928160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 04/30/2021] [Accepted: 05/04/2021] [Indexed: 01/22/2023]
Abstract
The cycle of day and night dominates life on earth. Therefore, almost all living organisms adopted a molecular clock linked to the light-dark cycles. It is now well established that this molecular clock is crucial for human health and wellbeing. Disruption of the molecular clockwork directly results in a myriad of disorders, including cardiovascular diseases. Further, the onset of many cardiovascular diseases such as acute myocardial infarction exhibits a circadian periodicity with worse outcomes in the early morning hours. Based on these observations, the research community became interested in manipulating the molecular clock to treat cardiovascular diseases. In recent years, several exciting discoveries of pharmacological agents or molecular mechanisms targeting the molecular clockwork have paved the way for circadian medicine's arrival in cardiovascular diseases. The current review will outline the most recent circadian therapeutic advances related to the circadian rhythm protein Period2 (PER2) to treat myocardial ischemia and summarize future research in the respective field.
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Affiliation(s)
- Yoshimasa Oyama
- Department of Anesthesiology, University of Colorado Denver School of Medicine, Aurora, Colorado, USA
- Department of Anesthesiology and Intensive Care Medicine, Oita University Faculty of Medicine, Oita, Japan
| | - Lori A Walker
- Division of Cardiology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Tobias Eckle
- Department of Anesthesiology, University of Colorado Denver School of Medicine, Aurora, Colorado, USA
- Department of Cell and Developmental Biology, University of Colorado Denver School of Medicine, Aurora, Colorado, USA
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17
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Shuff S, Oyama Y, Walker L, Eckle T. Circadian Angiopoietin-Like-4 as a Novel Therapy in Cardiovascular Disease. Trends Mol Med 2021; 27:627-9. [PMID: 33980464 DOI: 10.1016/j.molmed.2021.04.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 04/13/2021] [Accepted: 04/19/2021] [Indexed: 01/22/2023]
Abstract
Angiopoietin-like 4 (ANGPTL4) is critical for regulating plasma lipids, and thus an attractive therapeutic target for cardiovascular diseases. Unfortunately, targeting ANGPTL4 results in a proinflammatory and ultimately lethal phenotype in animals. The serendipitous discovery of cardiac ANGPTL4 as a circadian protein reveals novel mechanistic insight and a solution for this therapeutic dilemma.
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18
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Mosier AE, Hurley JM. Circadian Interactomics: How Research Into Protein-Protein Interactions Beyond the Core Clock Has Influenced the Model of Circadian Timekeeping. J Biol Rhythms 2021; 36:315-328. [PMID: 34056936 DOI: 10.1177/07487304211014622] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The circadian clock is the broadly conserved, protein-based, timekeeping mechanism that synchronizes biology to the Earth's 24-h light-dark cycle. Studies of the mechanisms of circadian timekeeping have placed great focus on the role that individual protein-protein interactions play in the creation of the timekeeping loop. However, research has shown that clock proteins most commonly act as part of large macromolecular protein complexes to facilitate circadian control over physiology. The formation of these complexes has led to the large-scale study of the proteins that comprise these complexes, termed here "circadian interactomics." Circadian interactomic studies of the macromolecular protein complexes that comprise the circadian clock have uncovered many basic principles of circadian timekeeping as well as mechanisms of circadian control over cellular physiology. In this review, we examine the wealth of knowledge accumulated using circadian interactomics approaches to investigate the macromolecular complexes of the core circadian clock, including insights into the core mechanisms that impart circadian timing and the clock's regulation of many physiological processes. We examine data acquired from the investigation of the macromolecular complexes centered on both the activating and repressing arm of the circadian clock and from many circadian model organisms.
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Affiliation(s)
- Alexander E Mosier
- Department of Biological Sciences, Rensselaer Polytechnic Institute, Troy, NY
| | - Jennifer M Hurley
- Department of Biological Sciences, Rensselaer Polytechnic Institute, Troy, NY.,Center for Biotechnology & Interdisciplinary Sciences, Rensselaer Polytechnic Institute, Troy, NY
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19
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Abstract
The circadian clock evolved in diverse organisms to integrate external environmental changes and internal physiology. The clock endows the host with temporal precision and robust adaptation to the surrounding environment. When circadian rhythms are perturbed or misaligned, as a result of jet lag, shiftwork or other lifestyle factors, adverse health consequences arise, and the risks of diseases such as cancer, cardiovascular diseases or metabolic disorders increase. Although the negative impact of circadian rhythm disruption is now well established, it remains underappreciated how to take advantage of biological timing, or correct it, for health benefits. In this Review, we provide an updated account of the circadian system and highlight several key disease areas with altered circadian signalling. We discuss environmental and lifestyle modifications of circadian rhythm and clock-based therapeutic strategies, including chronotherapy, in which dosing time is deliberately optimized for maximum therapeutic index, and pharmacological agents that target core clock components and proximal regulators. Promising progress in research, disease models and clinical applications should encourage a concerted effort towards a new era of circadian medicine.
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Affiliation(s)
- Wei Ruan
- Department of Anesthesiology, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX, USA.,Department of Anesthesiology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Xiaoyi Yuan
- Department of Anesthesiology, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Holger K Eltzschig
- Department of Anesthesiology, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX, USA.
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20
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Frase S, Kaiser S, Steimer M, Selzner L, Foit NA, Niesen WD, Schallner N. Patients with Subarachnoid Hemorrhage Exhibit Disturbed Expression Patterns of the Circadian Rhythm Gene Period-2. Life (Basel) 2021; 11:life11020124. [PMID: 33562664 PMCID: PMC7915417 DOI: 10.3390/life11020124] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 01/27/2021] [Accepted: 02/01/2021] [Indexed: 12/12/2022] Open
Abstract
Circadian rhythm gene expression in cerebral pacemaker regions is regulated by a transcriptional-translational feedback loop across the 24-h day-night cycle. In preclinical models of subarachnoid hemorrhage (SAH), cyclic gene expression is disrupted. Stabilization of circadian rhythm gene expression attenuates susceptibility to ischemic damage in both neuronal and myocardial tissues. In this clinical observational study, circadian rhythm gene Period-2 (Per2) mRNA expression levels were determined from blood leukocytes and cerebrospinal fluid (CSF) cells via real-time PCR on days 1, 7 and 14 after aneurysm rupture in 49 patients with spontaneous SAH. CSF Per2 expression was markedly suppressed immediately after SAH and remained suppressed over the course of two weeks of ICU treatment. Short-term mortality as well as occurrence of delirium was associated with greater extent of Per2 suppression on day 1 after SAH. Patients that developed delayed cerebral ischemia exhibited comparatively lower Per2 expression levels on day 7 after SAH, while presence of vasospasm remained unaffected. However, Per2 expression did not differ in patient groups with favourable or non-favourable functional neurological outcome (modified Rankin Scales 1–3 vs. 4–6). While our findings suggest a potential protective effect of stable circadian rhythm gene expression on the extent of ischemic damage, this effect was confined to the early disease course and was not reflected in patients’ functional neurological outcome.
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Affiliation(s)
- Sibylle Frase
- Department of Neurology and Neuroscience, Medical Center—University of Freiburg, 79106 Freiburg, Germany;
- Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (S.K.); (M.S.); (L.S.); (N.A.F.); (N.S.)
- Correspondence:
| | - Sandra Kaiser
- Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (S.K.); (M.S.); (L.S.); (N.A.F.); (N.S.)
- Department of Anesthesiology and Critical Care, Medical Center—University of Freiburg, 79106 Freiburg, Germany
| | - Matti Steimer
- Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (S.K.); (M.S.); (L.S.); (N.A.F.); (N.S.)
- Department of Anesthesiology and Critical Care, Medical Center—University of Freiburg, 79106 Freiburg, Germany
| | - Lisa Selzner
- Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (S.K.); (M.S.); (L.S.); (N.A.F.); (N.S.)
- Department of Anesthesiology and Critical Care, Medical Center—University of Freiburg, 79106 Freiburg, Germany
| | - Niels Alexander Foit
- Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (S.K.); (M.S.); (L.S.); (N.A.F.); (N.S.)
- Department of Neurosurgery, Medical Center—University of Freiburg, 79106 Freiburg, Germany
| | - Wolf-Dirk Niesen
- Department of Neurology and Neuroscience, Medical Center—University of Freiburg, 79106 Freiburg, Germany;
- Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (S.K.); (M.S.); (L.S.); (N.A.F.); (N.S.)
| | - Nils Schallner
- Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (S.K.); (M.S.); (L.S.); (N.A.F.); (N.S.)
- Department of Anesthesiology and Critical Care, Medical Center—University of Freiburg, 79106 Freiburg, Germany
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21
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Herrera-Zelada N, Zuñiga-Cuevas U, Ramirez-Reyes A, Lavandero S, Riquelme JA. Targeting the Endothelium to Achieve Cardioprotection. Front Pharmacol 2021; 12:636134. [PMID: 33603675 PMCID: PMC7884828 DOI: 10.3389/fphar.2021.636134] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 01/04/2021] [Indexed: 12/11/2022] Open
Abstract
Despite considerable improvements in the treatment of myocardial infarction, it is still a highly prevalent disease worldwide. Novel therapeutic strategies to limit infarct size are required to protect myocardial function and thus, avoid heart failure progression. Cardioprotection is a research topic with significant achievements in the context of basic science. However, translation of the beneficial effects of protective approaches from bench to bedside has proven difficult. Therefore, there is still an unmet need to study new avenues leading to protecting the myocardium against infarction. In line with this, the endothelium is an essential component of the cardiovascular system with multiple therapeutic targets with cardioprotective potential. Endothelial cells are the most abundant non-myocyte cell type in the heart and are key players in cardiovascular physiology and pathophysiology. These cells can regulate vascular tone, angiogenesis, hemostasis, and inflammation. Accordingly, endothelial dysfunction plays a fundamental role in cardiovascular diseases, which may ultimately lead to myocardial infarction. The endothelium is of paramount importance to protect the myocardium from ischemia/reperfusion injury via conditioning strategies or cardioprotective drugs. This review will provide updated information on the most promising therapeutic agents and protective approaches targeting endothelial cells in the context of myocardial infarction.
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Affiliation(s)
- Nicolas Herrera-Zelada
- Advanced Center for Chronic Disease (ACCDiS), Facultad de Ciencias Químicas y Farmacéuticas and Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Ursula Zuñiga-Cuevas
- Advanced Center for Chronic Disease (ACCDiS), Facultad de Ciencias Químicas y Farmacéuticas and Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Andres Ramirez-Reyes
- Advanced Center for Chronic Disease (ACCDiS), Facultad de Ciencias Químicas y Farmacéuticas and Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Sergio Lavandero
- Advanced Center for Chronic Disease (ACCDiS), Facultad de Ciencias Químicas y Farmacéuticas and Facultad de Medicina, Universidad de Chile, Santiago, Chile
- Department of Internal Medicine (Cardiology Division), University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Jaime A. Riquelme
- Advanced Center for Chronic Disease (ACCDiS), Facultad de Ciencias Químicas y Farmacéuticas and Facultad de Medicina, Universidad de Chile, Santiago, Chile
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22
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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] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 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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23
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Pelham JF, Dunlap JC, Hurley JM. Intrinsic disorder is an essential characteristic of components in the conserved circadian circuit. Cell Commun Signal 2020; 18:181. [PMID: 33176800 PMCID: PMC7656774 DOI: 10.1186/s12964-020-00658-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Accepted: 09/06/2020] [Indexed: 12/12/2022] Open
Abstract
INTRODUCTION The circadian circuit, a roughly 24 h molecular feedback loop, or clock, is conserved from bacteria to animals and allows for enhanced organismal survival by facilitating the anticipation of the day/night cycle. With circadian regulation reportedly impacting as high as 80% of protein coding genes in higher eukaryotes, the protein-based circadian clock broadly regulates physiology and behavior. Due to the extensive interconnection between the clock and other cellular systems, chronic disruption of these molecular rhythms leads to a decrease in organismal fitness as well as an increase of disease rates in humans. Importantly, recent research has demonstrated that proteins comprising the circadian clock network display a significant amount of intrinsic disorder. MAIN BODY In this work, we focus on the extent of intrinsic disorder in the circadian clock and its potential mechanistic role in circadian timing. We highlight the conservation of disorder by quantifying the extent of computationally-predicted protein disorder in the core clock of the key eukaryotic circadian model organisms Drosophila melanogaster, Neurospora crassa, and Mus musculus. We further examine previously published work, as well as feature novel experimental evidence, demonstrating that the core negative arm circadian period drivers FREQUENCY (Neurospora crassa) and PERIOD-2 (PER2) (Mus musculus), possess biochemical characteristics of intrinsically disordered proteins. Finally, we discuss the potential contributions of the inherent biophysical principals of intrinsically disordered proteins that may explain the vital mechanistic roles they play in the clock to drive their broad evolutionary conservation in circadian timekeeping. CONCLUSION The pervasive conservation of disorder amongst the clock in the crown eukaryotes suggests that disorder is essential for optimal circadian timing from fungi to animals, providing vital homeostatic cellular maintenance and coordinating organismal physiology across phylogenetic kingdoms. Video abstract.
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Affiliation(s)
- Jacqueline F. Pelham
- Department of Biological Sciences, Rensselaer Polytechnic Institute, Troy, NY 12180 USA
| | - Jay C. Dunlap
- Department of Molecular and Systems Biology, Geisel School of Medicine at Dartmouth, Hanover, NH 03755 USA
| | - Jennifer M. Hurley
- Department of Biological Sciences, Rensselaer Polytechnic Institute, Troy, NY 12180 USA
- Center for Biotechnology and Interdisciplinary Sciences, Rensselaer Polytechnic Institute, Troy, NY 12018 USA
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Oyama Y, Shuff S, Maddry JK, Schauer SG, Bebarta VS, Eckle T. Intense Light Pretreatment Improves Hemodynamics, Barrier Function and Inflammation in a Murine Model of Hemorrhagic Shock Lung. Mil Med 2020; 185:e1542-e1550. [PMID: 32515788 DOI: 10.1093/milmed/usaa088] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 03/25/2020] [Accepted: 04/15/2020] [Indexed: 01/08/2023] Open
Abstract
INTRODUCTION Hemorrhagic shock is a primary injury amongst combat casualties. Hemorrhagic shock can lead to acute lung injury, which has a high mortality rate. Based on studies showing the role of intense light for organ-protection, we sought to evaluate if intense light pretreatment would be protective in a murine model of hemorrhagic shock lung. MATERIALS AND METHODS After exposure to standard room light or to intense light (10 000 LUX), mice were hemorrhaged for 90 minutes to maintain a mean arterial pressure (MAP) of 30-35 mmHg. Mice were then resuscitated with their blood and a NaCl infusion at a rate of 0.2 ml/h over a 3-hour period. During resuscitation, blood pressure was recorded. At the end of resuscitation, bronchoalveolar lavage was analyzed for alveolar epithelial barrier function and inflammation. To get insight into the relevance of intense light for humans, we performed a proteomics screen for lung injury biomarkers in plasma from healthy volunteers following intense light therapy. RESULTS We found that intense light pretreated mice had improved hemodynamics and significantly lower albumin, IL-6, and IL-8 levels in their bronchoalveolar lavage than controls. We further discovered that intense light therapy in humans significantly downregulated proinflammatory plasma proteins that are known to cause acute lung injury. CONCLUSIONS Our data demonstrate that mice exposed to intense light before hemorrhagic shock lung have less lung inflammation and improved alveolar epithelial barrier function. We further show that intense light therapy downregulates lung injury promoting proteins in human plasma. Together, these data suggest intense light as a possible strategy to ameliorate the consequences of a hemorrhagic shock on lung injury.
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Affiliation(s)
- Yoshimasa Oyama
- Department of Anesthesiology, University of Colorado-Anschutz Medical Campus, 13001 East 17th Place, Aurora, CO 80045
| | - Sydney Shuff
- Department of Anesthesiology, University of Colorado-Anschutz Medical Campus, 13001 East 17th Place, Aurora, CO 80045
| | - Joseph K Maddry
- Department of Emergency Medicine, Brooke Army Medical Center, 3551 Roger Brooke Drive, JBSA Fort Sam Houston, TX 78234.,US Army Institute of Surgical Research, 3698 Chambers Pass, JBSA Fort Sam Houston, TX 78234.,Department of Military and Emergency Medicine, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Rd, Bethesda, MD 20814
| | - Steven G Schauer
- Department of Emergency Medicine, Brooke Army Medical Center, 3551 Roger Brooke Drive, JBSA Fort Sam Houston, TX 78234.,US Army Institute of Surgical Research, 3698 Chambers Pass, JBSA Fort Sam Houston, TX 78234.,Department of Military and Emergency Medicine, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Rd, Bethesda, MD 20814
| | - Vikhyat S Bebarta
- Department of Emergency Medicine, University of Colorado-Anschutz Medical Campus, 13001 East 17th Place, Aurora, CO 80045.,Office of the Chief Scientist, 59MDW Science and Technology, 1632 Nellis Street, Bldg 5406, Joint Base San Antonio-Lackland, TX 78233-9908
| | - Tobias Eckle
- Department of Emergency Medicine, Brooke Army Medical Center, 3551 Roger Brooke Drive, JBSA Fort Sam Houston, TX 78234.,US Army Institute of Surgical Research, 3698 Chambers Pass, JBSA Fort Sam Houston, TX 78234.,Department of Military and Emergency Medicine, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Rd, Bethesda, MD 20814
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Heiskanen V, Pfiffner M, Partonen T. Sunlight and health: shifting the focus from vitamin D3 to photobiomodulation by red and near-infrared light. Ageing Res Rev 2020; 61:101089. [PMID: 32464190 DOI: 10.1016/j.arr.2020.101089] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 05/10/2020] [Accepted: 05/14/2020] [Indexed: 12/14/2022]
Abstract
Both sun exposure and serum vitamin D levels have been associated with lower risks of all-cause mortality and chronic age-related diseases, e.g., cancer, diabetes and cardiovascular disease, in epidemiological studies. These associations have mainly been ascribed to beneficial effects of vitamin D. However, a vast body of randomized controlled trials (RCTs) and Mendelian randomization studies have failed to confirm any major health benefits from vitamin D supplementation. In this review, we present tentative evidence showing that red and near-infrared light, both being present in sunlight, could explain the associations between sunlight exposure and better health status. Body irradiation with red and near-infrared light, usually termed as photobiomodulation (PBM), has demonstrated beneficial effects in animal models of chronic diseases. Beyond this, preliminary evidence from RCTs suggest potential clinical benefit from PBM for chronic diseases. PBM is currently being investigated in many pre-registered clinical trials, results of which will eventually clarify the role of red and near-infrared light in the prevention and treatment of common age-related chronic diseases.
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Biondi-Zoccai G, Frati G, Gaspardone A, Mariano E, Di Giosa AD, Bolignano A, Dei Giudici A, Calcagno S, Scappaticci M, Sciarretta S, Valenti V, Casati R, Visconti G, Penco M, Giannico MB, Peruzzi M, Cavarretta E, Budassi S, Cosma J, Federici M, Roever L, Romeo F, Versaci F. Impact of environmental pollution and weather changes on the incidence of ST-elevation myocardial infarction. Eur J Prev Cardiol 2020; 28:1501-1507. [PMID: 34695216 DOI: 10.1177/2047487320928450] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Accepted: 05/01/2020] [Indexed: 02/05/2023]
Abstract
Background Environmental pollution and weather changes unfavorably impact on cardiovascular disease. However, limited research has focused on ST-elevation myocardial infarction (STEMI), the most severe yet distinctive form of acute coronary syndrome. Methods and results We appraised the impact of environmental and weather changes on the incidence of STEMI, analysing the bivariate and multivariable association between several environmental and atmospheric parameters and the daily incidence of STEMI in two large Italian urban areas. Specifically, we appraised: carbon monoxide (CO), nitrogen dioxide (NO2), nitric oxide (NOX), ozone, particulate matter smaller than 10 μm (PM10) and than 2.5 μm (PM2.5), temperature, atmospheric pressure, humidity and rainfall. A total of 4285 days at risk were appraised, with 3473 cases of STEMI. Specifically, no STEMI occurred in 1920 (44.8%) days, whereas one or more occurred in the remaining 2365 (55.2%) days. Multilevel modelling identified several pollution and weather predictors of STEMI. In particular, concentrations of CO ( p=0.024), NOX ( p=0.039), ozone ( p=0.003), PM10 ( p=0.033) and PM2.5 ( p=0.042) predicted STEMI as early as three days before the event, as well as subsequently, and NO predicted STEMI one day before ( p = 0.010), as well as on the same day. A similar predictive role was evident for temperature and atmospheric pressure (all p < 0.05). Conclusions The risk of STEMI is strongly associated with pollution and weather features. While causation cannot yet be proven, environmental and weather changes could be exploited to predict STEMI risk in the following days.
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Affiliation(s)
- Giuseppe Biondi-Zoccai
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Italy
- Mediterranea Cardiocentro, Italy
| | - Giacomo Frati
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Italy
- IRCCS NEUROMED, Italy
| | | | | | | | | | | | | | | | - Sebastiano Sciarretta
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Italy
- IRCCS NEUROMED, Italy
| | | | - Rebecca Casati
- Division of Cardiology, Santa Maria Goretti Hospital, Italy
| | | | - Maria Penco
- Division of Cardiology, University of L’Aquila, Italy
| | | | - Mariangela Peruzzi
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Italy
- Mediterranea Cardiocentro, Italy
| | - Elena Cavarretta
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Italy
- Mediterranea Cardiocentro, Italy
| | | | - Joseph Cosma
- Division of Cardiology, Tor Vergata University, Italy
| | | | - Leonardo Roever
- Department of Clinical Research, Federal University of Uberlandia, Brazil
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Gile J, Oyama Y, Shuff S, Eckle T. A Role for the Adenosine ADORA2B Receptor in Midazolam Induced Cognitive Dysfunction. Curr Pharm Des 2020; 26:4330-4337. [PMID: 32294028 DOI: 10.2174/1381612826666200415171622] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Accepted: 04/01/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND We recently reported a role for the circadian rhythm protein Period 2 (PER2) in midazolam induced cognitive dysfunction. Based on previous studies showing a critical role for the adenosine A2B receptor (ADORA2B) in PER2 regulation, we hypothesized that hippocampal ADORA2B is crucial for cognitive function. METHODS Midazolam treated C57BL/6J mice were analyzed for Adora2b hippocampal mRNA expression levels, and spontaneous T-maze alternation was determined in Adora2b-/- mice. Using the specific ADORA2B agonist BAY-60-6583 in midazolam treated C57BL/6J mice, we analyzed hippocampal Per2 mRNA expression levels and spontaneous T-maze alternation. Finally, Adora2b-/- mice were assessed for mRNA expression of markers for inflammation or cognitive function in the hippocampus. RESULTS Midazolam treatment significantly downregulated Adora2b or Per2 mRNA in the hippocampus of C57BL/6J mice, and hippocampal PER2 protein expression or T-maze alternation was significantly reduced in Adora2b-/- mice. ADORA2B agonist BAY-60-6583 restored midazolam mediated reduction in spontaneous alternation in C57BL/6J mice. Analysis of hippocampal Tnf-α or Il-6 mRNA levels in Adora2b-/- mice did not reveal an inflammatory phenotype. However, C-fos, a critical component of hippocampus-dependent learning and memory, was significantly downregulated in the hippocampus of Adora2b-/- mice. CONCLUSION These results suggest a role of ADORA2B in midazolam induced cognitive dysfunction. Further, our data demonstrate that BAY-60-6583 treatment restores midazolam induced cognitive dysfunction, possibly via increases of Per2. Additional mechanistic studies hint towards C-FOS as another potential underlying mechanism of memory impairment in Adora2b-/- mice. These findings suggest the ADORA2B agonist as a potential therapy in patients with midazolam induced cognitive dysfunction.
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Affiliation(s)
- Jennifer Gile
- Department of Anesthesiology, University of Colorado School of Medicine, Aurora, CO 80045, United States
| | - Yoshimasa Oyama
- Department of Anesthesiology, University of Colorado School of Medicine, Aurora, CO 80045, United States
| | - Sydney Shuff
- Department of Anesthesiology, University of Colorado School of Medicine, Aurora, CO 80045, United States
| | - Tobias Eckle
- Department of Anesthesiology, University of Colorado School of Medicine, Aurora, CO 80045, United States
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Zilberman-Rudenko J, Deguchi H, Shukla M, Oyama Y, Orje JN, Guo Z, Wyseure T, Mosnier LO, McCarty OJT, Ruggeri ZM, Eckle T, Griffin JH. Cardiac Myosin Promotes Thrombin Generation and Coagulation In Vitro and In Vivo. Arterioscler Thromb Vasc Biol 2020; 40:901-913. [PMID: 32102568 DOI: 10.1161/atvbaha.120.313990] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
OBJECTIVE Cardiac myosin (CM) is structurally similar to skeletal muscle myosin, which has procoagulant activity. Here, we evaluated CM's ex vivo, in vivo, and in vitro activities related to hemostasis and thrombosis. Approach and Results: Perfusion of fresh human blood over CM-coated surfaces caused thrombus formation and fibrin deposition. Addition of CM to blood passing over collagen-coated surfaces enhanced fibrin formation. In a murine ischemia/reperfusion injury model, exogenous CM, when administered intravenously, augmented myocardial infarction and troponin I release. In hemophilia A mice, intravenously administered CM reduced tail-cut-initiated bleeding. These data provide proof of concept for CM's in vivo procoagulant properties. In vitro studies clarified some mechanisms for CM's procoagulant properties. Thrombin generation assays showed that CM, like skeletal muscle myosin, enhanced thrombin generation in human platelet-rich and platelet-poor plasmas and also in mixtures of purified factors Xa, Va, and prothrombin. Binding studies showed that CM, like skeletal muscle myosin, directly binds factor Xa, supporting the concept that the CM surface is a site for prothrombinase assembly. In tPA (tissue-type plasminogen activator)-induced plasma clot lysis assays, CM was antifibrinolytic due to robust CM-dependent thrombin generation that enhanced activation of TAFI (thrombin activatable fibrinolysis inhibitor). CONCLUSIONS CM in vitro is procoagulant and prothrombotic. CM in vivo can augment myocardial damage and can be prohemostatic in the presence of bleeding. CM's procoagulant and antifibrinolytic activities likely involve, at least in part, its ability to bind factor Xa and enhance thrombin generation. Future work is needed to clarify CM's pathophysiology and its mechanistic influences on hemostasis or thrombosis.
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Affiliation(s)
- Jevgenia Zilberman-Rudenko
- From the Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA (J.Z.-R., H.D., M.S., J.N.O., Z.G., T.W., L.O.M., Z.M.R., J.H.G.).,Department of Biomedical Engineering (J.Z.-R., O.J.T.M.), School of Medicine, Oregon Health & Science University, Portland
| | - Hiroshi Deguchi
- From the Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA (J.Z.-R., H.D., M.S., J.N.O., Z.G., T.W., L.O.M., Z.M.R., J.H.G.)
| | - Meenal Shukla
- From the Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA (J.Z.-R., H.D., M.S., J.N.O., Z.G., T.W., L.O.M., Z.M.R., J.H.G.)
| | - Yoshimasa Oyama
- Department of Hematology-Oncology (O.J.T.M.), School of Medicine, Oregon Health & Science University, Portland
| | - Jennifer N Orje
- From the Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA (J.Z.-R., H.D., M.S., J.N.O., Z.G., T.W., L.O.M., Z.M.R., J.H.G.)
| | - Zihan Guo
- From the Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA (J.Z.-R., H.D., M.S., J.N.O., Z.G., T.W., L.O.M., Z.M.R., J.H.G.)
| | - Tine Wyseure
- From the Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA (J.Z.-R., H.D., M.S., J.N.O., Z.G., T.W., L.O.M., Z.M.R., J.H.G.)
| | - Laurent O Mosnier
- From the Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA (J.Z.-R., H.D., M.S., J.N.O., Z.G., T.W., L.O.M., Z.M.R., J.H.G.)
| | - Owen J T McCarty
- Department of Biomedical Engineering (J.Z.-R., O.J.T.M.), School of Medicine, Oregon Health & Science University, Portland
| | - Zaverio M Ruggeri
- From the Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA (J.Z.-R., H.D., M.S., J.N.O., Z.G., T.W., L.O.M., Z.M.R., J.H.G.)
| | - Tobias Eckle
- Department of Hematology-Oncology (O.J.T.M.), School of Medicine, Oregon Health & Science University, Portland
| | - John H Griffin
- From the Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA (J.Z.-R., H.D., M.S., J.N.O., Z.G., T.W., L.O.M., Z.M.R., J.H.G.).,Department of Anesthesiology, University of Colorado School of Medicine, Aurora (Y.O., T.E.)
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Abstract
Blood coagulation is central to myocardial ischemia and reperfusion (IR) injury. Studies on the light elicited circadian rhythm protein Period 2 (PER2) using whole body Per2-/- mice found deficient platelet function and reduced clotting which would be expected to protect from myocardial IR-injury. In contrast, intense light induction of PER2 protected from myocardial IR-injury while Per2 deficiency was detrimental. Based on these conflicting data, we sought to evaluate the role of platelet specific PER2 in coagulation and myocardial ischemia and reperfusion injury. We demonstrated that platelets from mice with tissue-specific deletion of Per2 in the megakaryocyte lineage (Per2loxP/loxP-PF4-CRE) significantly clot faster than platelets from control mice. We further found increases in infarct sizes or plasma troponin levels in Per2loxP/loxP-PF4-CRE mice when compared to controls. As intense light increases PER2 protein in human tissues, we also performed translational studies and tested the effects of intense light therapy on coagulation in healthy human subjects. Our human studies revealed that intense light therapy repressed procoagulant pathways in human plasma samples and significantly reduced the clot rate. Based on these results we conclude that intense light elicited PER2 has an inhibitory function on platelet aggregation in mice. Further, we suggest intense light as a novel therapy to prevent or treat clotting in a clinical setting.
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Affiliation(s)
- Yoshimasa Oyama
- Department of Anesthesiology, University of Colorado - Anschutz Medical Campus, Aurora, Colorado, United States of America
| | - Sydney Shuff
- Department of Anesthesiology, University of Colorado - Anschutz Medical Campus, Aurora, Colorado, United States of America
| | - Pavel Davizon-Castillo
- Department of Pediatrics, University of Colorado - Anschutz Medical Campus, Aurora, Colorado, United States of America
| | - Nathan Clendenen
- Department of Anesthesiology, University of Colorado - Anschutz Medical Campus, Aurora, Colorado, United States of America
| | - Tobias Eckle
- Department of Anesthesiology, University of Colorado - Anschutz Medical Campus, Aurora, Colorado, United States of America
- * E-mail:
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Abstract
Amplified innate leukocytes (neutrophils and monocytes/macrophages) are associated with advanced ischemic and non-ischemic heart failure (HF). Intensified neutrophilic leukocytosis (neutrophilia) and sustained activation of neutrophils is the predominant factor that determines over activated inflammation in acute HF and the outcome of long-term chronic HF. After heart attack, the first wave of innate responsive and short-lived neutrophils is essential for the initiation of inflammation, resolution of inflammation, and cardiac repair, however uncontrolled and long-term activation of neutrophils leads to collateral damage of myocardium. In the presented review, we highlighted the interactive and integrative role of neutrophil phenotypes in cellular and molecular events of ischemic HF. In addition, we discussed the current, nonimmune, immune, and novel paradigms of neutrophils in HF associated with differential factors with a specific interest in non-resolving inflammation and resolution physiology.
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Affiliation(s)
- Vasundhara Kain
- Division of Cardiovascular Disease, Department of Medicine, The University of Alabama at Birmingham, AL, USA
| | - Ganesh V Halade
- Division of Cardiovascular Disease, Department of Medicine, The University of Alabama at Birmingham, AL, USA.
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