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This issue of Endocrinology Clinics brings the reader up to date on the important advances in research surrounding the neuroendocrine control of metabolism. Guest edited by Christoph Buettner, the topics covered include leptin signaling, hypothalamic inflammation, hypoglycemia awareness, perinatal programming of metabolic disease, substrates, and more.
This issue of Endocrinology Clinics brings the reader up to date on the important advances in research surrounding the neuroendocrine control of metabolism. Guest edited by Christoph Buettner, the topics covered include leptin signaling, hypothalamic inflammation, hypoglycemia awareness, perinatal programming of metabolic disease, substrates, and more.
Alteration in adequate energy balance maintenance results in serious disturbances such as obesity and its related metabolic disorders. In Mammals, energy balance is homeostatically controlled through hormonal and neuroendocrine systems which cooperation is based on cross-talk between central and peripheral signals. The hypothalamus as well as peripheral hormones among which adipokines from adipose tissue and thyroid hormones play a crucial role in energy homeostasis. Unraveling the physiological, cellular and molecular mechanisms through which hormonal and neuroendocrine systems regulate energy balance has been a long-standing challenge in biology and is now more necessary when considering the world-wide increasing prevalence of obesity. Indeed, recognizing and understanding the biochemical and nutrient signaling pathways contributing to the nervous and endocrine integration of physiological mechanisms involved in the normal and/or abnormal regulation of energy balance is fundamental also to the development of new, effective, and targeted treatments for obesity. Recent studies have highlighted the role of hypothalamic pro-opiomelanocortin-expressing neurons in the regulation of energy homeostasis by controlling energy expenditure and food intake. This is accomplished through a precise balance of production and degradation of a-melanocyte-stimulating hormone, an anorexigenic neuropeptide which is degraded to an inactive form unable to inhibit food intake by the key enzyme prolyl carboxypeptidase (PRCP), thus suggesting that pharmacologic approaches targeting PRCP may provide a novel and effective option for the management of obesity and its associated metabolic disorders. Indeed, efforts have been made to generate potent, brain-penetrant PRCP inhibitors. Weight loss due to negative energy balance is a goal for obese subjects not always reachable by dietary caloric restriction or increased physical activity. Lipid-lowering therapies have been suggested to have potential benefits, however, the establishment of comprehensive therapeutic strategies is still awaited. Recently, it has been reported that thyroid hormone (TH)- derivatives such as 3,5-diiodothyronine and 3-iodothyronamine possess interesting biological activities, opening new perspectives in thyroid physiology and TH derivatives therapeutic usage. Moreover, several studies, focusing on the interaction between thyroid hormone (TH), the autonomic nervous system and the liver, revealed an important role for the hypothalamus in the differential effects of TH on autonomic outflow to peripheral organs controlling energy balance. This Research Topic aims to give a comprehensive and integrate view of the factors involved in the endocrine and neuroendocrine signaling in energy balance regulation to highlight their involvement into physiological processes and regulatory systems as well as their perturbation during pathological processes.
A panel of leading experts integrate the latest findings from basic and clinical science to create a comprehensive treatment of the processes by which the brain acts as an endocrine organ, not only to control hormonal functions, but also to maintain homeostasis and regulate behavior. The authors-recognized both as leaders in their fields and as skilled teachers-provide systematic coverage of the analytical, anatomical, functional, clinical, and pathological aspects of neuroendocrinology. Topics range from the interactions between the nervous and endocrine systems to the regulation of reproduction, development, metabolism, fluid balance, and biological rhythms. Neuroendocrinology in Physiology and Medicine offers an unprecedented marriage of clinical and basic knowledge that has been missing from classical neuroscience, endocrinology, and physiology texts. It will teach today's medical students and serve researchers as a valuable reference to this rapidly growing field.
Neuroendocrinology, the discipline concerned with how the nervous system controls hormonal secretion and how hormones control the brain, is pivotal to physiology and medicine. Neuroendocrinology has disclosed and underpins fundamental physiological, molecular biological and genetic principles such as the regulation of gene transcription and translation, the mechanisms of chemical neurotransmission and intracellular and systemic feedback control systems. Reproduction, growth, stress, aggression, metabolism, birth, feeding and drinking and blood pressure are some of the bodily functions that are triggered and/or controlled by neuroendocrine systems. In turn, neuroendocrine dysfunction due to genetic or other deficits can lead, for example, to infertility, impotence, precocious or delayed puberty, defective or excessive growth, obesity and anorexia, Cushing’s Syndrome, hypertension or thyroid disorders. These as well as neuroendocrine tumors are some of the themes covered in the 36 chapters of the Handbook. Drafted by internationally acknowledged experts in the field, the Handbook chapters feature detailed up-to-date bibliographies as well as "how do we know?" call out sections that highlight the experimental or technical foundations for major concepts, principles, or methodological advances in each area. Aimed at senior undergraduate and graduate students, post-doctoral fellows and faculty in neuroscience, medicine, endocrinology, psychiatry, psychology and cognate disciplines, the Handbook of Neuroendocrinology satisfies an unmet need that will prove useful at the laboratory bench as well as in the office. The most comprehensive up-to-date source covering basic principles, neural regulation, hormone/brain function and behavior, and neuroendocrine pathology "How do we know?" callout sections highlight core concepts Heavily illustrated with over 350 figures, 4-color throughout
This issue of Endocrinology and Metabolism Clinics of North America aims to become the first compilation of interest to both the Endocrinologist and Critical Care specialist by compiling the latest findings into one volume. Split in to two major areas, this volume covers life-threatening illnesses caused by primary endocrine diseases and examines endocrinology from the ICU perspective. First section deals with classic life-threatening illnesses, such as: thyrotoxicosis, hypothyroidism, pheochromocytoma, severe hyper- end hypoglycemia, acute adrenal crises. Second section goes in to more in-depth coverage of these endocrine diseases from the needs of the ICU, starting with a general overview of the dynamic neuroendocrine and metabolic stress responses in the condition of intensive care-dependent, non-endocrine critical illness. Alterations within several of the endocrine axes briefly touched upon in the overview chapter are then further discussed in detail in the following chapters: critical illness induced alterations within the growth hormone axis, the thyroid axis and the pituitary adrenal axis, changes in catecholamines, glucose control and salt and water metabolism.
The control of energy metabolism is a central event for cell, organ, and organism survival. There are many control levels in energy metabolism, although in this Special Issue, we concentrated on the neuroendocrine control which is operated through specialized neural circuits controlling both food intake and energy expenditure. Due to the explosion of obesity and associated diseases, the subject of this Special Issue is of particular interest today.
Alteration in adequate energy balance maintenance results in serious disturbances such as obesity and its related metabolic disorders. In Mammals, energy balance is homeostatically controlled through hormonal and neuroendocrine systems which cooperation is based on cross-talk between central and peripheral signals. The hypothalamus as well as peripheral hormones among which adipokines from adipose tissue and thyroid hormones play a crucial role in energy homeostasis. Unraveling the physiological, cellular and molecular mechanisms through which hormonal and neuroendocrine systems regulate energy balance has been a long-standing challenge in biology and is now more necessary when considering the world-wide increasing prevalence of obesity. Indeed, recognizing and understanding the biochemical and nutrient signaling pathways contributing to the nervous and endocrine integration of physiological mechanisms involved in the normal and/or abnormal regulation of energy balance is fundamental also to the development of new, effective, and targeted treatments for obesity. Recent studies have highlighted the role of hypothalamic pro-opiomelanocortin-expressing neurons in the regulation of energy homeostasis by controlling energy expenditure and food intake. This is accomplished through a precise balance of production and degradation of a-melanocyte-stimulating hormone, an anorexigenic neuropeptide which is degraded to an inactive form unable to inhibit food intake by the key enzyme prolyl carboxypeptidase (PRCP), thus suggesting that pharmacologic approaches targeting PRCP may provide a novel and effective option for the management of obesity and its associated metabolic disorders. Indeed, efforts have been made to generate potent, brain-penetrant PRCP inhibitors. Weight loss due to negative energy balance is a goal for obese subjects not always reachable by dietary caloric restriction or increased physical activity. Lipid-lowering therapies have been suggested to have potential benefits, however, the establishment of comprehensive therapeutic strategies is still awaited. Recently, it has been reported that thyroid hormone (TH)- derivatives such as 3,5-diiodothyronine and 3-iodothyronamine possess interesting biological activities, opening new perspectives in thyroid physiology and TH derivatives therapeutic usage. Moreover, several studies, focusing on the interaction between thyroid hormone (TH), the autonomic nervous system and the liver, revealed an important role for the hypothalamus in the differential effects of TH on autonomic outflow to peripheral organs controlling energy balance. This Research Topic aims to give a comprehensive and integrate view of the factors involved in the endocrine and neuroendocrine signaling in energy balance regulation to highlight their involvement into physiological processes and regulatory systems as well as their perturbation during pathological processes.
The control of energy metabolism is a central event for cell, organ, and organism survival. There are many control levels in energy metabolism, although in this Special Issue, we concentrated on the neuroendocrine control which is operated through specialized neural circuits controlling both food intake and energy expenditure. Due to the explosion of obesity and associated diseases, the subject of this Special Issue is of particular interest today.
This issue of Endocrinology Clinics brings the reader up to date on the important advances in research surrounding the role of aging on the endocrine system. Guest edited by Anne Cappola, the topics covered include reproductive aging in women, thyroid disorders, testosterone administration, osteoporosis in older adults, hormonal therapeutics and more.