Frontiers In Chronobiology Research

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Frontiers in Chronobiology Research

Author : Frank H. Columbus
Publisher : Nova Science Publishers
ISBN 13 : 9781633210981
Total Pages : 152 pages
Book Rating : 4.2/5 (19 download)

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Book Synopsis Frontiers in Chronobiology Research by : Frank H. Columbus

Download or read book Frontiers in Chronobiology Research written by Frank H. Columbus and published by Nova Science Publishers. This book was released on 2014-05-10 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers topics from a wide variety of disciplines including cell biology, developmental biology, ecology, endocrinology, genetics, molecular biology, neurobiology, and pharmacology. There is a focus on circadian (daily), tidal, seasonal, and annual rhythms, as well as other biological rhythms. Rhythms are placed within the context of the functional significance of these rhythms for the health and well-being of relevant organisms and include genetic and molecular mechanisms of biological timekeeping, melatonin and pineal gland rhythms, as well as on the chronobiology and chronotherapy of cardiovascular, pulmonary, ulcer, and other diseases.

Frontiers in Chronobiology Research

Author : Frank H. Columbus
Publisher :
ISBN 13 :
Total Pages : 158 pages
Book Rating : 4.X/5 (3 download)

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Book Synopsis Frontiers in Chronobiology Research by : Frank H. Columbus

Download or read book Frontiers in Chronobiology Research written by Frank H. Columbus and published by . This book was released on 2006 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers topics from a wide variety of disciplines including cell biology, developmental biology, ecology, endocrinology, genetics, molecular biology, neurobiology, and pharmacology . There is a focus on circadian (daily), tidal, seasonal, and annual rhythms, as well as other biological rhythms. Rhythms are placed within the context of the functional significance of these rhythms for the health and well-being of relevant organisms and include genetic and molecular mechanisms of biological timekeeping, melatonin and pineal gland rhythms, as well as on the chronobiology and chronotherapy of cardiovascular, pulmonary, ulcer, and other diseases.

Heart Rate Variability and other Autonomic Markers in Children and Adolescents

Author : Jerzy Sacha
Publisher : Frontiers Media SA
ISBN 13 : 2889631982
Total Pages : 187 pages
Book Rating : 4.8/5 (896 download)

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Book Synopsis Heart Rate Variability and other Autonomic Markers in Children and Adolescents by : Jerzy Sacha

Download or read book Heart Rate Variability and other Autonomic Markers in Children and Adolescents written by Jerzy Sacha and published by Frontiers Media SA. This book was released on 2019-11-27 with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Current Trends of Insect Physiology and Population Dynamics: Modeling Insect Phenology, Demography, and Circadian Rhythms in Variable Environments

Download Current Trends of Insect Physiology and Population Dynamics: Modeling Insect Phenology, Demography, and Circadian Rhythms in Variable Environments PDF Online Free

Author : Petros T. Damos
Publisher : Frontiers Media SA
ISBN 13 : 2889454894
Total Pages : 155 pages
Book Rating : 4.8/5 (894 download)

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Book Synopsis Current Trends of Insect Physiology and Population Dynamics: Modeling Insect Phenology, Demography, and Circadian Rhythms in Variable Environments by : Petros T. Damos

Download or read book Current Trends of Insect Physiology and Population Dynamics: Modeling Insect Phenology, Demography, and Circadian Rhythms in Variable Environments written by Petros T. Damos and published by Frontiers Media SA. This book was released on 2018-06-12 with total page 155 pages. Available in PDF, EPUB and Kindle. Book excerpt: The current eBook collection includes substantial scientific work in describing how insect species are responding to abiotic factors and recent climatic trends on the basis of insect physiology and population dynamics. The contributions can be broadly split into four chapters: the first chapter focuses on the function of environmental and mostly temperature driven models, to identify the seasonal emergence and population dynamics of insects, including some important pests. The second chapter provides additional examples on how such models can be used to simulate the effect of climate change on insect phenology and population dynamics. The third chapter focuses on describing the effects of nutrition, gene expression and phototaxis in relation to insect demography, growth and development, whilst the fourth chapter provides a short description on the functioning of circadian systems as well as on the evolutionary dynamics of circadian clocks.

Oxidative Stress Revisited - Major Role in Vascular Diseases

Author : Cristina M. Sena
Publisher : Frontiers Media SA
ISBN 13 : 2889630587
Total Pages : 158 pages
Book Rating : 4.8/5 (896 download)

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Book Synopsis Oxidative Stress Revisited - Major Role in Vascular Diseases by : Cristina M. Sena

Download or read book Oxidative Stress Revisited - Major Role in Vascular Diseases written by Cristina M. Sena and published by Frontiers Media SA. This book was released on 2019-10-21 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: Oxidative stress is an underlying factor in health and disease. Reactive oxygen species are produced as a result of normal cellular metabolism. The subsequent altered redox state between the formation and the neutralization of pro-oxidants results in their increased levels and therefore leads to cellular damage. Different research disciplines have increased our knowledge of the importance of this cell redox status and the recognition of oxidative stress as a process with implications for many pathophysiological states. Genetic and environmental factors, nutrition and lifestyle may indicate a pro-oxidative and pro-inflammatory state, linked to alterations in cellular structure and function. Oxidative stress emerges as a common, unifying factor in several conditions including diabetes and cardiovascular diseases. This eBook aims to provide novel data regarding the role played by oxidative stress and inflammation in the development of chronic diseases and the different classes of therapeutics from the bench to the clinic, stressing the awareness of these concepts for the treatment of disease. In addition, articles addressing an overview of the role of oxidative stress in vascular diseases reviewing some current concepts indicating that oxidative stress and inflammation are key mechanisms linking vascular diseases and current state-of-the-art approaches to monitor, prevent and inhibit oxidative stress will be highlighted. There is a close relation between oxidative stress, inflammation and cardiovascular diseases. Despite the great amount of investigation carried out in the field, there are still uncertainties about the mechanisms by which free radicals can modify tissues such as perivascular adipose tissue that ultimately will reflect on vascular function. This eBook will focus on articles that can explore and identify these mechanisms. Concurrent with this understanding of oxidative stress milieu, it is necessary to recognize the need for new pharmacological tools effective in restoring oxidative balance. The abundance of new information and the paradigm shift in our understanding of how antioxidants and other redox-active drugs work in a wide variety of vascular diseases will be specifically highlighted. This eBook will provide a comprehensive, up-to-date source of information on the design and mechanistic, pharmacological, and medicinal aspects of redox-active therapeutics. Finally, a unique feature of the eBook is to provide a way to foster an enthralling discussion revisiting old paradigms and finding new solutions for the treatment of vascular diseases. The topic will include original research articles, hypotheses, perspectives and (mini)reviews from experts in the field. The next decade shows promise for the translation of this body of knowledge to novel human therapeutics and this eBook will enable to increment our knowledge in this field.

Heart Rate Variability: Clinical Applications and Interaction between HRV and Heart Rate

Author : Karin Trimmel
Publisher : Frontiers Media SA
ISBN 13 : 2889196526
Total Pages : 168 pages
Book Rating : 4.8/5 (891 download)

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Book Synopsis Heart Rate Variability: Clinical Applications and Interaction between HRV and Heart Rate by : Karin Trimmel

Download or read book Heart Rate Variability: Clinical Applications and Interaction between HRV and Heart Rate written by Karin Trimmel and published by Frontiers Media SA. This book was released on 2015-10-07 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the last decades, assessment of heart rate variability (HRV) has increased in various fields of research. HRV describes changes in heartbeat intervals, which are caused by autonomic neural regulation, i.e. by the interplay of the sympathetic and the parasympathetic nervous systems. The most frequent application of HRV is connected to cardiological issues, most importantly to the monitoring of post-myocardial infarction patients and the prediction of sudden cardiac death. Analysis of HRV is also frequently applied in relation to diabetes, renal failure, neurological and psychiatric conditions, sleep disorders, psychological phenomena such as stress, as well as drug and addiction research including alcohol and smoking. The widespread application of HRV measurements is based on the fact that they are noninvasive, easy to perform, and in general reproducible – if carried out under standardized conditions. However, the amount of parameters to be analysed is still rising. Well-established time domain and frequency domain parameters are discussed controversially when it comes to their physiological interpretation and their psychometric properties like reliability and validity, and the sensitivity to cardiovascular properties of the variety of parameters seems to be a topic for further research. Recently introduced parameters like pNNxx and new dynamic methods such as approximate entropy and detrended fluctuation analysis offer new potentials and warrant standardization. However, HRV is significantly associated with average heart rate (HR) and one can conclude that HRV actually provides information on two quantities, i.e. on HR and its variability. It is hard to determine which of these two plays a principal role in the clinical value of HRV. The association between HRV and HR is not only a physiological phenomenon but also a mathematical one which is due to non-linear (mathematical) relationship between RR interval and HR. If one normalizes HRV to its average RR interval, one may get ‘pure’ variability free from the mathematical bias. Recently, a new modification method of the association between HRV and HR has been developed which enables us to completely remove the HRV dependence on HR (even the physiological one), or conversely enhance this dependence. Such an approach allows us to explore the HR contribution to the clinical significance of HRV, i.e. whether HR or its variability plays a main role in the HRV clinical value. This Research Topic covers recent advances in the application of HRV, methodological issues, basic underlying mechanisms as well as all aspects of the interaction between HRV and HR.

Biological Clocks, Rhythms, and Oscillations

Author : Daniel B. Forger
Publisher : MIT Press
ISBN 13 : 0262552817
Total Pages : 369 pages
Book Rating : 4.2/5 (625 download)

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Book Synopsis Biological Clocks, Rhythms, and Oscillations by : Daniel B. Forger

Download or read book Biological Clocks, Rhythms, and Oscillations written by Daniel B. Forger and published by MIT Press. This book was released on 2024-08-06 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt: An introduction to the mathematical, computational, and analytical techniques used for modeling biological rhythms, presenting tools from many disciplines and example applications. All areas of biology and medicine contain rhythms, and these behaviors are best understood through mathematical tools and techniques. This book offers a survey of mathematical, computational, and analytical techniques used for modeling biological rhythms, gathering these methods for the first time in one volume. Drawing on material from such disciplines as mathematical biology, nonlinear dynamics, physics, statistics, and engineering, it presents practical advice and techniques for studying biological rhythms, with a common language. The chapters proceed with increasing mathematical abstraction. Part I, on models, highlights the implicit assumptions and common pitfalls of modeling, and is accessible to readers with basic knowledge of differential equations and linear algebra. Part II, on behaviors, focuses on simpler models, describing common properties of biological rhythms that range from the firing properties of squid giant axon to human circadian rhythms. Part III, on mathematical techniques, guides readers who have specific models or goals in mind. Sections on “frontiers” present the latest research; “theory” sections present interesting mathematical results using more accessible approaches than can be found elsewhere. Each chapter offers exercises. Commented MATLAB code is provided to help readers get practical experience. The book, by an expert in the field, can be used as a textbook for undergraduate courses in mathematical biology or graduate courses in modeling biological rhythms and as a reference for researchers.

Electrocardiographic Imaging

Author : Maria S. Guillem
Publisher : Frontiers Media SA
ISBN 13 : 2889636712
Total Pages : 178 pages
Book Rating : 4.8/5 (896 download)

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Book Synopsis Electrocardiographic Imaging by : Maria S. Guillem

Download or read book Electrocardiographic Imaging written by Maria S. Guillem and published by Frontiers Media SA. This book was released on 2020-04-17 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electrical activity in the myocardium coordinates the contraction of the heart, and its knowledge could lead to a better understanding, diagnosis, and treatment of cardiac diseases. This electrical activity generates an electromagnetic field that propagates outside the heart and reaches the human torso surface, where it can be easily measured. Classical electrocardiography aims to interpret the 12-lead electrocardiogram (ECG) to determine cardiac activity and support the diagnosis of cardiac pathologies such as arrhythmias, altered activations, and ischemia. More recently, a higher number of leads is used to reconstruct a more detailed quantitative description of the electrical activity in the heart by solving the so-called inverse problem of electrocardiography. This technique is known as ECG imaging. Today, clinical applications of ECG imaging are showing promising results in guiding a variety of electrophysiological interventions such as catheter ablation of atrial fibrillation and ventricular tachycardia. However, in order to promote the adoption of ECG imaging in the routine clinical practice, further research is required regarding more accurate mathematical methods, further scientific validation under different preclinical scenarios and a more extensive clinical validation

Progress in Circadian Rhythm Research

Author : Anne-Laure Léglise
Publisher : Nova Science Publishers
ISBN 13 : 9781600218767
Total Pages : 0 pages
Book Rating : 4.2/5 (187 download)

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Book Synopsis Progress in Circadian Rhythm Research by : Anne-Laure Léglise

Download or read book Progress in Circadian Rhythm Research written by Anne-Laure Léglise and published by Nova Science Publishers. This book was released on 2008 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A circadian rhythm is a roughly - 24-hour cycle in the physiological processes of living beings, including plants, animals, fungi and cyanobacteria. The term 'circadian', comes from the Latin circa, 'around', and dies, 'day', meaning literally 'about a day'. The formal study of biological temporal rhythms such as daily, weekly, seasonal, and annual rhythms, is called chronobiology. In a strict sense, circadian rhythms are endogenously generated, although they can be modulated by external cues such as sunlight and temperature. Most of a person's body systems demonstrate circadian variations.The body systems with the most prominent circadian variations are the sleep-wake cycle, the temperature regulation system, and the endocrine system. The malfunctioning of a person's circadian system, or biological clock, causes circadian rhythm disorders. Circadian rhythms and their relation to health outcomes in the globalised hyper world of the 21st century are now understood to be extremely important.

Cross Adaptation and Cross Tolerance in Human Health and Disease

Author : Ben James Lee
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (136 download)

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Book Synopsis Cross Adaptation and Cross Tolerance in Human Health and Disease by : Ben James Lee

Download or read book Cross Adaptation and Cross Tolerance in Human Health and Disease written by Ben James Lee and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact.

Physiology in Extreme Conditions: Adaptations and Unexpected Reactions

Author : Maria G. Trivella
Publisher : Frontiers Media SA
ISBN 13 : 2889453383
Total Pages : 135 pages
Book Rating : 4.8/5 (894 download)

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Book Synopsis Physiology in Extreme Conditions: Adaptations and Unexpected Reactions by : Maria G. Trivella

Download or read book Physiology in Extreme Conditions: Adaptations and Unexpected Reactions written by Maria G. Trivella and published by Frontiers Media SA. This book was released on 2017-11-30 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt: Physiology in extreme conditions can reveal important reactions of the human body, which help our assessment of limits emerging under healthy conditions and critical signals of transition toward disease. While many mechanisms could simply be associated with adaptations, others refer to unexpected reactions in response to internal stimuli and/or external abrupt changes.

Gravitational Physiology, Aging and Medicine

Author : Nandu Goswami
Publisher : Frontiers Media SA
ISBN 13 : 2889632733
Total Pages : 406 pages
Book Rating : 4.8/5 (896 download)

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Book Synopsis Gravitational Physiology, Aging and Medicine by : Nandu Goswami

Download or read book Gravitational Physiology, Aging and Medicine written by Nandu Goswami and published by Frontiers Media SA. This book was released on 2020-01-27 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Membrane Physiology

Author : Thomas E. Andreoli
Publisher : Springer Science & Business Media
ISBN 13 : 1461319439
Total Pages : 397 pages
Book Rating : 4.4/5 (613 download)

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Book Synopsis Membrane Physiology by : Thomas E. Andreoli

Download or read book Membrane Physiology written by Thomas E. Andreoli and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 397 pages. Available in PDF, EPUB and Kindle. Book excerpt: Membrane Physiology (Second Edition) is a soft-cover book containing portions of Physiology of Membrane Disorders (Second Edition). The parent volume contains six major sections. This text encompasses the first three sections: The Nature of Biological Membranes, Methods for Studying Membranes, and General Problems in Membrane Biology. We hope that this smaller volume will be helpful to individuals interested in general physiology and the methods for studying general physiology. THOMAS E. ANDREOLI JOSEPH F. HOFFMAN DARRELL D. FANESTIL STANLEY G. SCHULTZ vii Preface to the Second Edition The second edition of Physiology of Membrane Disorders represents an extensive revision and a considerable expansion of the first edition. Yet the purpose of the second edition is identical to that of its predecessor, namely, to provide a rational analysis of membrane transport processes in individual membranes, cells, tissues, and organs, which in tum serves as a frame of reference for rationalizing disorders in which derangements of membrane transport processes playa cardinal role in the clinical expression of disease. As in the first edition, this book is divided into a number of individual, but closely related, sections. Part V represents a new section where the problem of transport across epithelia is treated in some detail. Finally, Part VI, which analyzes clinical derangements, has been enlarged appreciably.

Frontiers in Skeletal Muscle Wasting, Regeneration and Stem Cells

Author : Carlos Hermano J. Pinheiro
Publisher : Frontiers Media SA
ISBN 13 : 2889198324
Total Pages : 261 pages
Book Rating : 4.8/5 (891 download)

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Book Synopsis Frontiers in Skeletal Muscle Wasting, Regeneration and Stem Cells by : Carlos Hermano J. Pinheiro

Download or read book Frontiers in Skeletal Muscle Wasting, Regeneration and Stem Cells written by Carlos Hermano J. Pinheiro and published by Frontiers Media SA. This book was released on 2016-05-25 with total page 261 pages. Available in PDF, EPUB and Kindle. Book excerpt: The search for knowledge on cellular and molecular mechanisms involved in skeletal muscle mass homeostasis and regeneration is an exciting scientific area and extremely important to develop therapeutic strategies for neuromuscular disorders and conditions related to muscle wasting. The mechanisms involved in the regulation of skeletal muscle mass and regeneration consist of molecular signaling pathways modulating protein synthesis and degradation, bioenergetics alterations and preserved function of muscle stem cells. In the last years, different kinds of stem cells has been reported to be localized into skeletal muscle (satellite cells, mesoangioblasts, progenitor interstitial cells and others) or migrate from non-muscle sites, such as bone marrow, to muscle tissue in response to injury. In addition, myogenic progenitor cells are also activated in skeletal muscle wasting disorders. The goal of this research topic is to highlight the available knowledge regarding skeletal muscle and stem cell biology in the context of both physiological and pathological conditions. Our purpose herein is to facilitate better dissemination of research into skeletal muscle physiology field. Frontiers in Physiology is a journal indexed in: PubMed Central, Scopus, Google Scholar, DOAJ, CrossRef.

Chronobiology

Author : Pavol Svorc
Publisher : BoD – Books on Demand
ISBN 13 : 1789849004
Total Pages : 109 pages
Book Rating : 4.7/5 (898 download)

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Book Synopsis Chronobiology by : Pavol Svorc

Download or read book Chronobiology written by Pavol Svorc and published by BoD – Books on Demand. This book was released on 2019-12-18 with total page 109 pages. Available in PDF, EPUB and Kindle. Book excerpt: The regular alternation of light and dark affects not only human biological systems, but also the social organization of behavior. The effect of such light modes is manifested in periodic changes in physiological functions and biological rhythms exhibited at every level of life. The book discusses some of the specificities of the circadian rhythms in living organisms and mentions aspects of the control of circadian rhythms as well as experimental and clinical cases that are closely related to circadian disruption. This book can evoke interest in many researchers who want to use this information for the advancement of their research towards a better understanding of the biological time structure.

Brain Nutrient Sensing in the Control of Energy Balance: New Insights and Perspectives

Author : Céline Cruciani-Guglielmacci
Publisher : Frontiers Media SA
ISBN 13 : 2889458202
Total Pages : 114 pages
Book Rating : 4.8/5 (894 download)

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Book Synopsis Brain Nutrient Sensing in the Control of Energy Balance: New Insights and Perspectives by : Céline Cruciani-Guglielmacci

Download or read book Brain Nutrient Sensing in the Control of Energy Balance: New Insights and Perspectives written by Céline Cruciani-Guglielmacci and published by Frontiers Media SA. This book was released on 2019-05-09 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present Research Topic proposes reviews and original articles covering the complex field of study of the importance of brain nutrient-sensing in the control of energy balance. It aims to give a clear view on the current questions addressed by the scientific community, and to raise new questions to achieve a full understanding of the impact of nutrient-sensing, and more generally nutrition, on brain functions.

Melatonin, Neuroprotective Agents and Antidepressant Therapy

Author : Francisco López-Muñoz
Publisher : Springer
ISBN 13 : 8132228030
Total Pages : 917 pages
Book Rating : 4.1/5 (322 download)

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Book Synopsis Melatonin, Neuroprotective Agents and Antidepressant Therapy by : Francisco López-Muñoz

Download or read book Melatonin, Neuroprotective Agents and Antidepressant Therapy written by Francisco López-Muñoz and published by Springer. This book was released on 2016-11-16 with total page 917 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work is a guidebook for clinicians who are involved in treating depressive patients and also serves the research scientists who are working on the psychopharmacological mechanisms of antidepressant actions and psychopathological mechanisms underlying mood disorders. Mood disorders such as major depressive disorder (MDD), bipolar disorder (BPD) and seasonal affective disorder (SAD) are the most disabling disorders that are among the most expensive of all medical illnesses. The pathophysiology of mood disorders is very complex and involves many mechanisms like circadian rhythm disruption, sleep abnormalities, melatonin rhythm abnormalities and alterations in melatonin receptor mechanisms, abnormalities in monoaminergic neurotransmitter mechanisms, glutamatergic release mechanisms, hippocampal neurogenesis, and abnormal immune and cytokine release mechanisms. Many antidepressants that are in clinical use today including the recently introduced novel agents like agomelatine or other antidepressants cause clinical remission by resynchronizing disrupted circadian rhythms and melatonin receptor functions, enhancing monoaminergic neurotransmission, promoting hippocampal neurogenesis, and regulating immune mechanisms. This book explains various etiological factors that are involved in the pathogenesis of mood disorders and the mechanisms of therapeutic actions of antidepressants including the recently introduced agomelatine and other antidepressants that exhibit rapid onset of action with greater efficacy and fewer side effects. .