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Routledge Handbook of Sport and Exercise Systems Genetics
Technological advances over the last two decades have placed genetic research at the forefront of sport and exercise science. It provides potential answers to some of contemporary sport and exercise's defining issues and throws up some of the area's most challenging ethical questions, but to date, it has rested on a fragmented and disparate literature base. The Routledge Handbook of Sport and Exercise Systems Genetics constitutes the most authoritative and comprehensive reference in this critical area of study, consolidating knowledge and providing a framework for interpreting future research findings.
Taking an approach which covers single gene variations, through genomics, epigenetics, and proteomics, to environmental and dietary influences on genetic mechanisms, the book is divided into seven sections. It examines state-of-the-art genetic methods, applies its approach to physical activity, exercise endurance, muscle strength, and sports performance, and discusses the ethical considerations associated with genetic research in sport and exercise.
Made up of contributions from some of the world's leading sport and exercise scientists and including chapters on important topical issues such as gene doping, gender testing, predicting sport performance and injury risk, and using genetic information to inform physical activity and health debates, the handbook is a vital addition to the sport and exercise literature. It is an important reference for any upper-level student, researcher, or practitioner working in the genetics of sport and exercise or exercise physiology, and crucial reading for any social scientist interested in the ethics of sport.
eBook
Gut/brain axis and the microbiota
Tremendous progress has been made in characterizing the bidirectional interactions between the central nervous system, the enteric nervous system, and the gastrointestinal tract. A series of provocative preclinical studies have suggested a prominent role for the gut microbiota in these gut-brain interactions. Based on studies using rodents raised in a germ-free environment, the gut microbiota appears to influence the development of emotional behavior, stress- and pain-modulation systems, and brain neurotransmitter systems. Additionally, microbiota perturbations by probiotics and antibiotics exert modulatory effects on some of these measures in adult animals. Current evidence suggests that multiple mechanisms, including endocrine and neurocrine pathways, may be involved in gut microbiota-to-brain signaling and that the brain can in turn alter microbial composition and behavior via the autonomic nervous system. Limited information is available on how these findings may translate to healthy humans or to disease states involving the brain or the gut/brain axis. Future research needs to focus on confirming that the rodent findings are translatable to human physiology and to diseases such as irritable bowel syndrome, autism, anxiety, depression, and Parkinson's disease.
Journal Article
Cell fate specification and differentiation in the adult mammalian intestine
Intestinal stem cells at the bottom of crypts fuel the rapid renewal of the different cell types that constitute a multitasking tissue. The intestinal epithelium facilitates selective uptake of nutrients while acting as a barrier for hostile luminal contents. Recent discoveries have revealed that the lineage plasticity of committed cells — combined with redundant sources of niche signals — enables the epithelium to efficiently repair tissue damage. New approaches such as single-cell transcriptomics and the use of organoid models have led to the identification of the signals that guide fate specification of stem cell progeny into the six intestinal cell lineages. These cell types display context-dependent functionality and can adapt to different requirements over their lifetime, as dictated by their microenvironment. These new insights into stem cell regulation and fate specification could aid the development of therapies that exploit the regenerative capacity and functionality of the gut.The intestinal epithelium undergoes rapid turnover and is constantly exposed to hostile luminal contents. Recent insights from single-cell transcriptomics and organoid models have revealed that tissue repair is dependent on cell lineage plasticity and signals originating from different niche components.
Journal Article
Aggressive behavior : genetic and neural approaches
Since the heyday of research on aggression in the late 1960s, developments in several varied areas had enabled us to take a new look at this important though difficult topic. Recent findings and sophisticated new techniques in behavior genetic analysis at the time had made it possible not only to enhance our understanding of the genetic mechanisms underlying aggressive behavior, but also to provide some reasonable suggestions as to the role of aggression in evolution. Originally published in 1983, there had been significant advances in genetic and neural research and a much more sophisticated and heuristic approach to the measurement and conceptualization of aggressive behavior had developed. The ten chapters in this volume provide a thorough overview of these new approaches and methodologies. There are also suggestions regarding the scope of future research on aggressive behavior, since much of what is presented describes the ongoing research activities of the contributors. This book is divided into four sections: The first provides a systematic foundation for research on aggression, and a description of some of the newer strategies for research in this area; the second concerns quantitative genetic analyses, selection data from both wild and laboratory populations, and situational determinants of aggressive behavior; the third section details new and exciting findings in neurochemical and neuropharmacological effects; and the last section contains a chapter that provides a summary and synthesis of all that has come before.
BOOK
The cellular and functional complexity of thermogenic fat
Brown and beige adipocytes are mitochondria-enriched cells capable of dissipating energy in the form of heat. These thermogenic fat cells were originally considered to function solely in heat generation through the action of the mitochondrial protein uncoupling protein 1 (UCP1). In recent years, significant advances have been made in our understanding of the ontogeny, bioenergetics and physiological functions of thermogenic fat. Distinct subtypes of thermogenic adipocytes have been identified with unique developmental origins, which have been increasingly dissected in cellular and molecular detail. Moreover, several UCP1-independent thermogenic mechanisms have been described, expanding the role of these cells in energy homeostasis. Recent studies have also delineated roles for these cells beyond the regulation of thermogenesis, including as dynamic secretory cells and as a metabolic sink. This Review presents our current understanding of thermogenic adipocytes with an emphasis on their development, biological functions and roles in systemic physiology.Brown and beige adipocytes are mammalian thermogenic fat cells that regulate whole-body energy metabolism. Notably, brown/beige adipocytes are heterogeneous and their functions extend beyond thermogenesis, encompassing roles as metabolite sinks, as secretory cells and as regulators of adipose tissue homeostasis. Thus, induction of brown/beige fat activity correlates with improved metabolic health.
Journal Article
Exploring transdisciplinarity in art and sciences
This book is organized around 4 sections. The first deals with the creativity and its neural basis (responsible editor Emmanuelle Volle). The second section concerns the neurophysiology of aesthetics (responsible editor Zoèi Kapoula). It covers a large spectrum of different experimental approaches going from architecture, to process of architectural creation and issues of architectural impact on the gesture of the observer. Neurophysiological aspects such as space navigation, gesture, body posture control are involved in the experiments described as well as questions about terminology and valid methodology. The next chapter contains studies on music, mathematics and brain (responsible editor Moreno Andreatta). The final section deals with evolutionary aesthetics (responsible editor Julien Renoult).
Book
A decade of progress in tissue engineering
Tissue engineering encompasses various scientific disciplines with the aim of revolutionizing our outlook on the future of research and medicine. In this Perspective, Robert Langer and Ali Khademhosseini discuss the advancing field of tissue engineering, featuring high-impact technologies over the past decade and their own future perspectives on the field.
Tremendous progress has been achieved in the field of tissue engineering in the past decade. Several major challenges laid down 10 years ago, have been studied, including renewable cell sources, biomaterials with tunable properties, mitigation of host responses, and vascularization. Here we review advancements in these areas and envision directions of further development.
Journal Article