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Author: Frédéric Flamant Publisher: Frontiers Media SA ISBN: 2889197026 Category : Diseases of the endocrine glands. Clinical endocrinology Languages : en Pages : 108
Book Description
Thyroid hormone signaling has been known for a long time to be required for proper neurodevelopment and the maintenance of cognitive functions in the adult brain. As thyroid hormone excess or deficiency is usually well handled by clinicians, research dedicated to the neural function of thyroid hormone, have not been a priority within the field. This is changing mainly for two reasons. First, new genetic diseases have been discovered, altering thyroid hormone signaling in brain (THRA, MCT8, SBP2), with neurodevelopmental consequences which are currently incurable. Second, there is a growing concern that exposition of the general population to environmental chemicals able to interfere with thyroid hormone signaling compromises children neurodevelopment or induces central disorders in adults. Finally thyroid hormone is acting directly on gene transcription, by binding nuclear receptors, and therefore is an interesting entry point to identify genetic programs controlling brain development and function. Reaching a broad understanding of the multiple processes involving thyroid hormone in brain is a tremendous task which will necessitate a multidisciplinary approach: animal genetics, molecular biology, brain imaging, developmental biology, genomics, etc... This topic will be the occasion to combine recent contributions in the field and to identify priorities for future investigations. Due to devastating consequences of congenital hypothyroidism, the neurodevelopmental consequences of altered thyroid hormone signaling have been extensively studied over the years. The discovery of new genetic diseases, the concern about the possible neurotoxicity of environmental thyroid hormone disruptors, recently renewed the interest for an important research field. This Ebook gathers reviews and original data from experts in various disciplines. It provides a broad view of ongoing research and outlines key issues for future investigation.
Author: Frédéric Flamant Publisher: Frontiers Media SA ISBN: 2889197026 Category : Diseases of the endocrine glands. Clinical endocrinology Languages : en Pages : 108
Book Description
Thyroid hormone signaling has been known for a long time to be required for proper neurodevelopment and the maintenance of cognitive functions in the adult brain. As thyroid hormone excess or deficiency is usually well handled by clinicians, research dedicated to the neural function of thyroid hormone, have not been a priority within the field. This is changing mainly for two reasons. First, new genetic diseases have been discovered, altering thyroid hormone signaling in brain (THRA, MCT8, SBP2), with neurodevelopmental consequences which are currently incurable. Second, there is a growing concern that exposition of the general population to environmental chemicals able to interfere with thyroid hormone signaling compromises children neurodevelopment or induces central disorders in adults. Finally thyroid hormone is acting directly on gene transcription, by binding nuclear receptors, and therefore is an interesting entry point to identify genetic programs controlling brain development and function. Reaching a broad understanding of the multiple processes involving thyroid hormone in brain is a tremendous task which will necessitate a multidisciplinary approach: animal genetics, molecular biology, brain imaging, developmental biology, genomics, etc... This topic will be the occasion to combine recent contributions in the field and to identify priorities for future investigations. Due to devastating consequences of congenital hypothyroidism, the neurodevelopmental consequences of altered thyroid hormone signaling have been extensively studied over the years. The discovery of new genetic diseases, the concern about the possible neurotoxicity of environmental thyroid hormone disruptors, recently renewed the interest for an important research field. This Ebook gathers reviews and original data from experts in various disciplines. It provides a broad view of ongoing research and outlines key issues for future investigation.
Author: Juan Bernal Publisher: Bentham Science Publishers ISBN: 9815274236 Category : Medical Languages : en Pages : 297
Book Description
This comprehensive textbook offers an in-depth exploration of how thyroid hormones influence brain development and function, particularly on cellular and molecular mechanisms. Readers will find current insights into the complex interplay between the thyroid and neurological systems, making it a valuable resource for researchers, advanced learners and clinicians in the fields of endocrinology, neuroscience, and developmental biology. The book starts with a review of thyroid physiology, setting the stage for subsequent chapters that cover specific topics such as the impact of maternal thyroid hormones on fetal brain development and the effects of iodine deficiency. From here, the book progresses to cover the regulation of brain gene expression, neuronal and glial cell differentiation, and myelination by thyroid hormones, and how thyroid hormones shape the brain. Finally, the book addresses the link between thyroid dysfunction and mood disorders. Key features - A thorough examination of the historical and the latest research findings through 14 chapters - Clear explanations of molecular pathways - Emphasis on both theoretical knowledge and practical applications - Detailed and research-focused content scientific references for further reading.
Author: Hudson Hoagland Publisher: Elsevier ISBN: 0323158366 Category : Science Languages : en Pages : 270
Book Description
Hormones, Brain Function, and Behavior brings together the proceedings of a conference on neuroendocrinology held in May 1956 in New York. The papers explore selected aspects of hormone actions in relation to brain function and behavior and cover topics ranging from the effects of steroid hormones on the nervous system to the behavioral consequences of sex hormones and thyroid hormones. Serotonin, epinephrine, and their metabolites are also discussed in relation to experimental psychiatry. This monograph is comprised of 12 chapters and begins with an assessment of steroid hormones in relation to neuropsychiatric disorders, as well as the influence of adrenocortical steroids on brain function and metabolism. Subsequent chapters focus on the genetic and psychological determinants of sexual behavior patterns; the role of serotonin in mental disorders; the effect of thyroid hormones on appetite for alcohol and alcoholic beverages in rats; and the link between thyroid hormones and mental health. The biochemistry of serotonin and its physiological implications are also examined. This text will appeal to biologists, neuropharmacologists, neuropsychiatrists, and psychologists.
Author: G. Robert Delong Publisher: Springer Science & Business Media ISBN: 1461307651 Category : Medical Languages : en Pages : 376
Book Description
This volume contains the proceedings of a conference held at the National Institutes of Health in Bethesda on March 21-23. 1988. jointly sponsored by the International Council for Control of Iodine Deficiency Disorders (ICCIDD) and the Fogarty International Center of the National Institutes of Health. Several themes converged to make this meeting timely. The first is an increasing awareness of iodine deficiency disorders as a world-wide problem of public health and a preventable cause of mental deficiency. and as a subject of scientific effort. Increased interest in these problems owes a great deal to accessibility to remote and under developed areas of the world where iodine deficiency persists. As with any subject. greater scrutiny yields unexpected complexity and interest. It is true that provision of iodine. typically as iodized salt, is the necessary and sufficient preventative for iodine deficiency disorders. without including endemic cretinism. This provision is a governmental, economic and social problem. Apart from this, however, the scientific and medical problem of iodine deficiency and its effect on brain development and function is one of great interest and importance for developmental neurology and psychology. Even though the specific preventative agent is known, we do not totally understand the neurobiological questions raised.
Author: Noriyuki Koibuchi Publisher: Springer ISBN: 1493937375 Category : Medical Languages : en Pages : 207
Book Description
Thyroid hormone plays an important role in development and functional maintenance in the central nervous system. Deficiency of thyroid hormone during fetal and early postnatal life induces abnormal development known as cretinism in humans. However, the molecular mechanism of thyroid hormone action has not yet been fully understood. Thyroid hormone action in the brain may be disrupted under various pathological conditions. In addition, environmental factors including endocrine-disrupting chemicals and bacterial endotoxins may disrupt thyroid hormone action in brain, causing abnormal brain development and functional disruption. This is a first book to comprehensively describe the effect of thyroid hormone disruption in the central nervous system. The first section deals with the disruption of thyroid hormone action at the molecular level. First the authors provide a summary of the possible molecular mechanisms of thyroid hormone action in the brain, then they discuss several factors that may disrupt thyroid hormone action. In the second section, animal models to study thyroid hormone action will be introduced. An interesting character of thyroid hormone deficiency is that, without thyroid hormone, the thyroid hormone receptor may act as a “repressor” of gene expression, causing more severe consequence than those of thyroid hormone receptor knockout animals. Thus, several different kind of animal models may be used to clarify the role of thyroid hormone and its receptor in the brain. In the third section, human studies on thyroid disease and neurodevelopment will be introduced. Although endemic cretinism induced by iodine deficiency and sporadic cretinism by various thyroid mutation are well known, the pathophysiological mechanisms that create each abnormal phenotype are not fully understood.
Author: Frédéric Flamant
Author: Frédéric Flamant
Author: Gilman D. Grave
Author: Georg Hennemann
Author: Juan Bernal
Author: Hudson Hoagland
Author: Ann-Charlotte Granholm
Author: G. Robert Delong
Author: Gilman D. Grave
Author: Noriyuki Koibuchi
Author: George J. Siegel