Therapeutic Implications of Circadian Rhythms
Therapeutic Implications of Circadian Rhythms

Author: Guangrui Yang

Publisher: Frontiers Media SA

Published: 2015-10-12

Total Pages: 98

ISBN-13: 2889196658

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Circadian rhythms are biological processes displaying endogenous and entrainable oscillations of about 24 hours. They are driven by a group of genes called clock genes that have been widely observed in plants, animals and even in bacteria. In mammals, the core clock genes are rhythmically expressed in both the suprachiasmatic nucleus (SCN), the master clock residing in the hypothalamus, and almost all peripheral tissues where they control numerous target genes in a circadian manner, and thus affect many physiological and biochemical processes. Evidence suggests that disruption of the circadian rhythms (or desynchronization) is a significant risk factor for the development of metabolic diseases, cardiovascular diseases, cancer and sleep disorders. Evidence also suggests that the disruption suppresses immune function and increases vulnerability to infectious diseases. Restoring or strengthening the circadian rhythm may be therapeutic for these conditions. This becomes exceptionally important in modern societies because many people are suffering from frequent desynchronization due to shift working, exposure to artificial light, travel by transmeridian air flight, and involvement in social activities. Besides, the temporal variations in the incidence and severity of many diseases, such as the onset of cardiovascular events, chronic obstructive pulmonary disease (COPD), inflammatory diseases and mental disorders have also drawn increasing attention to the circadian clock. The circadian rhythms affect not only the health status, but also the drug efficiency. The effects (and side effects) of many drugs vary with biological timing. The tolerance of many medications displays circadian variation as well. The timing of medical treatment in coordination with the body clock may significantly increase the desired effects of drugs, and lower the dose and toxicity. In addition, circadian rhythms can also be modulated by some therapeutic drugs, for example, melatonin and modafinil, which are used to treat circadian rhythm sleep disorders. In this Research Topic, we assemble a series of critical review and research articles that focus on the therapeutic implications of circadian rhythms. Topics include, but are not limited to: • Circadian disruption caused diseases or disorders and related intervention • Temporal manifestation of diseases or disorders and therapeutic implications • The effects of circadian rhythms on drugs • The effects of drugs on circadian rhythms

Circadian Rhythms and Their Impact on Aging
Circadian Rhythms and Their Impact on Aging

Author: S. Michal Jazwinski

Publisher: Springer

Published: 2017-10-24

Total Pages: 367

ISBN-13: 3319645439

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Biological rhythms time the ebb and flow of virtually every physiological process, and their mutual coordination guarantees the integrity of the organism over space and time. Aging leads to the disintegration of this coordination, as well as to changes in the amplitude and/or frequency of the underlying rhythms. The results of this are accelerated loss of health during aging, and in experimental model systems curtailed lifespan occurs. This book will examine the machinery that constitutes circadian systems and how they impact physiologic processes. It will also discuss how disturbances of circadian rhythms can lead to complex diseases associated with aging. Much of this treatment will focus on metabolism and genome stability. Importantly, the chapters in this book will encompass work in several different models, in addition to human. The book will conclude with a discussion of modeling approaches to biologic cycles and chronotherapy, for future research and translation.

Science of Circadian Rhythms, An Issue of Sleep Medicine Clinics, E-Book
Science of Circadian Rhythms, An Issue of Sleep Medicine Clinics, E-Book

Author: Phyllis C. Zee

Publisher: Elsevier Health Sciences

Published: 2016-01-07

Total Pages:

ISBN-13: 0323402712

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Dr. Phyllis Zee has put together an expert panel of authors on the topic of the Science of Circadian Rhythms. Articles include: Neurobiology of Circadian Rhythm Regulation, Effect of Light and Melatonin and other Melatonin Receptor Agonists on Human Circadian Physiology, Consequences of Circadian Disruption on Cardiometabolic Health, Consequences Circadian Disruption on Neurologic and Psychiatric Health, Aging and Circadian Rhythms, Circadian and Homeostatic Regulation of Sleep and Performance, Circadian disruption in Psychiatric Disorders, and more!

Chronotherapeutics
Chronotherapeutics

Author: P. H. Redfern

Publisher: Pharmaceutical Press

Published: 2003

Total Pages: 456

ISBN-13: 9780853694885

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In nature, many physical processes are governed by the passage of time. The study of these processes - chronobiology - reveals rhythmic patterns which may be yearly, monthly, daily or more frequent. Novel drug delivery systems are currently being delivered that will release varying quantities of a drug at optimum times to coincide with these rhythmic patterns.Chronotherapeutics considers the pharmaceutical and therapeutic implications associated with biological clocks. The book presents a comprehensive discussion of specific diseases that are time dependent, and the drugs and new drug formulations that can be used as treatments.Written by leading international experts in the field, Chronotherapeutics provides up-to-date information on chronobiology for non-chronobiologists in pharmaceutical and medical sciences. Peter Redfern is Professor of Pharmacology at the University of Bath, UK.

Advances in the Psychobiology of Sleep and Circadian Rhythms
Advances in the Psychobiology of Sleep and Circadian Rhythms

Author: Melinda L. Jackson

Publisher: Taylor & Francis

Published: 2023-12-19

Total Pages: 236

ISBN-13: 1003830927

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Advances in the Psychobiology of Sleep and Circadian Rhythms features international experts from the fields of psychobiology, sleep research and chronobiology to address and review cutting-edge scientific literature concerning recent advances in the psychobiology of sleep, sleep disorders, such as sleep apnoea and insomnia, and circadian rhythms, across the lifespan. In this illuminating volume, Melinda L. Jackson and Sean P.A. Drummond bring together leading international researchers to review cross-cutting issues in the field, including sleep and pain, sleep and dementia risk, and sleep issues in paediatric populations as well as the interaction between sleep and health conditions in different populations. The chapters offer coverage of the major explanatory models which underpin the empirical work as well as a discussion of the relevant theoretical and conceptual models on issues arising with specific psychiatric and medical disorders, including depression, dementia, posttraumatic stress disorder and pain. They also address new research in the area of chronobiology, and circadian impacts on health and diseases. The chapters also discuss important methodological and ethical issues arising in research and include sections addressing implications for public policy and practitioner interventions in the context of different social and cultural environments. This volume will be a crucial resource for professionals, practitioners and researchers engaged in the field as well as for postgraduate and upper-level undergraduate students undertaking research in areas related to psychobiology, neuropsychology, health psychology and other disciplines such as biology, physiology and psychopharmacology.

The Circadian Clock
The Circadian Clock

Author: Urs Albrecht

Publisher: Springer Science & Business Media

Published: 2010-01-23

Total Pages: 306

ISBN-13: 1441912622

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With the invitation to edit this volume, I wanted to take the opportunity to assemble reviews on different aspects of circadian clocks and rhythms. Although most c- tributions in this volume focus on mammalian circadian clocks, the historical int- duction and comparative clocks section illustrate the importance of various other organisms in deciphering the mechanisms and principles of circadian biology. Circadian rhythms have been studied for centuries, but only recently, a mole- lar understanding of this process has emerged. This has taken research on circadian clocks from mystic phenomenology to a mechanistic level; chains of molecular events can describe phenomena with remarkable accuracy. Nevertheless, current models of the functioning of circadian clocks are still rudimentary. This is not due to the faultiness of discovered mechanisms, but due to the lack of undiscovered processes involved in contributing to circadian rhythmicity. We know for example, that the general circadian mechanism is not regulated equally in all tissues of m- mals. Hence, a lot still needs to be discovered to get a full understanding of cir- dian rhythms at the systems level. In this respect, technology has advanced at high speed in the last years and provided us with data illustrating the sheer complexity of regulation of physiological processes in organisms. To handle this information, computer aided integration of the results is of utmost importance in order to d- cover novel concepts that ultimately need to be tested experimentally.

The Genetics of Circadian Rhythms
The Genetics of Circadian Rhythms

Author:

Publisher: Academic Press

Published: 2011-09-16

Total Pages: 269

ISBN-13: 0123876982

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This latest volume in Advances in Genetics covers the genetics of Circadian rhythms. With an international group of authors this volume is the latest offering in this widely praised series.

The Circadian Code
The Circadian Code

Author: Satchin Panda, PhD

Publisher: Rodale Books

Published: 2018-06-12

Total Pages: 288

ISBN-13: 1635652448

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When we eat may be as important as what we eat. Like most people, you probably wake up, get hungry for meals and doze off in bed around the same time every day. If you’ve ever experienced jet lag or pulled an all-nighter, you know that this schedule can easily be thrown off kilter. But for some people, that imbalance—difficulty sleeping at night, hunger at odd times, or sudden fatigue at noon—is a constant. If you're one of those people, Dr. Satchin Panda, one of the leading researchers on circadian rhythms, has a plan to reset your body clock. Beginning with an in-depth explanation of the circadian clock—why it’s important, how it works, and how to know it isn’t working—The Circadian Code outlines lifestyle changes to make to get back on track. It's a concrete plan to enhance weight loss, improve sleep, optimize exercise, and manage technology so that it doesn’t interfere with your body’s natural rhythm. Dr. Panda’s life-changing methods show you how to prevent and reverse ailments like diabetes, cancer, and dementia, as well as microbiome conditions like acid reflux, heartburn, and irritable bowel disease.

Circadian Medicine
Circadian Medicine

Author: Christopher S. Colwell

Publisher: John Wiley & Sons

Published: 2015-07-07

Total Pages: 405

ISBN-13: 1118467787

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Circadian rhythms, the biological oscillations based around our 24-hour clock, have a profound effect on human physiology and healthy cellular function. Circadian Rhythms: Health and Disease is a wide-ranging foundational text that provides students and researchers with valuable information on the molecular and genetic underpinnings of circadian rhythms and looks at the impacts of disruption in our biological clocks in health and disease. Circadian Rhythms opens with chapters that lay the fundamental groundwork on circadian rhythm biology. Section II looks at the impact of circadian rhythms on major organ systems. Section III then turns its focus to the central nervous system. The book then closes with a look at the role of biological rhythms in aging and neurodegeneration. Written in an accessible and informative style, Circadian Rhythms: Health and Disease,will be an invaluable resource and entry point into this fascinating interdisciplinary field that brings together aspects of neuroscience, cell and molecular biology, and physiology.