Details
Molecular Biology of the Parathyroid
Molecular Biology Intelligence Unit
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149,79 € |
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| Verlag: | Springer |
| Format: | |
| Veröffentl.: | 26.02.2007 |
| ISBN/EAN: | 9780387275307 |
| Sprache: | englisch |
| Anzahl Seiten: | 199 |
Dieses eBook enthält ein Wasserzeichen.
Beschreibungen
aintaining extracellular calcium concentrations within a narrow range is critical for the survival of most vertebrates. PTH, together with vitamin D, responds to hypocalcemia to increase extracellu M lar calcium levels, by acting on bone, kidney and intestine. The recent intro duction of PTH as a major therapeutic agent in osteoporosis has directed renewed interest in this important hormone and in the physiology of the parathyroid gland. The parathyroid is unique in that low serum calcium stimulates PTH secretion. As hypocalcemia persists, there is also an increase in PTH synthesis. Chronic hypocalcemia leads to hypertrophy and hyper plasia of the parathyroid gland together with increased production of the hormone. Phosphate is also a key modulator of PTH secretion, gene expres sion and parathyroid cell proliferation. Understanding the biology of the parathyroid as well as the mecha nisms of associated diseases has taken great strides in recent years. This book summarizes the molecular mechanisms involved in the function of the para thyroid gland. The first chapter reviews the development of the parathyroid gland and the genes involved in this process as identified using genetically manipulated mice. Then the biosynthetic pathway of PTH from gene ex pression to its intracellular processing and the sequences in the gene control ling its transcription as well as those regulating mRNA processing, stability and translation are described.
Development of Parathyroid Glands.- Parathyroid Hormone, from Gene to Protein.- Toward an Understanding of Human Parathyroid Hormone Structure and Function.- The Calcium Sensing Receptor.- Regulation of Parathyroid Hormone mRNA Stability by Calcium and Phosphate.- In Silico Analysis of Regulatory Sequences in the Human Parathyroid Hormone Gene.- Regulation of Parathyroid Hormone Gene Expression by 1,25-Dihydroxyvitamin D.- Vitamin D Analogs for the Treatment of Secondary Hyperparathyroidism in Chronic Renal Failure.- Parathyroid Gland Hyperplasia in Renal Failure.- Molecular Mechanisms in Parathyroid Tumorigenesis.- Molecular Genetic Abnormalities in Sporadic Hyperparathyroidism.- Genetic Causes of Hypoparathyroidism.- Skeletal and Reproductive Abnormalities in Pth-Null Mice.
Molecular Biology of the Parathyroid is the first book to describe recent studies and discoveries in the field in detail. This title is essention reading for enocrinologists and all researchers working in the field of bone and mineral research. Includes supplementary material: sn.pub/extras
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