Fibroblast Growth Factor 23 As Novel Marker Of Phosphate Homeostasis
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Author | : Noreen Abbas |
Publisher | : LAP Lambert Academic Publishing |
Total Pages | : 96 |
Release | : 2015-12-10 |
Genre | : |
ISBN | : 9783659815126 |
Fibroblast growth factor 23 (FGF-23), is recently discovered phosphaturic substance. It releases from bone osteocytes and plays a key role in the physiological regulation of phosphate metabolism. Excessive action of FGF23 results in several hypophosphatemic diseases characterized by impaired renal tubular phosphate reabsorption. In contrast, deficient action of FGF23 causes familial hyperphosphatemic tumoral calcinosis with enhanced renal tubular phosphate reabsorption. We carried out this study to gain knowledge about the current status of FGF-23 levels in our population and its relationship with serum phosphate; TmP/GFR and dietary phosphate; which has implications for the diagnosis and treatment of phosphate-wasting disorders and may guide us in planning further studies to see its role and implications on vitamin D metabolism.
Author | : Christian Faul |
Publisher | : Elsevier |
Total Pages | : 378 |
Release | : 2021-04-06 |
Genre | : Medical |
ISBN | : 0128180374 |
Fibroblast Growth Factor 23 describes how FGF23 was initially identified as a bone-derived factor targeting the kidney. As such, sections in this comprehensive book cover exciting research that shows that different FGF23 effects require distinct signaling receptors and mediators that differ among target tissues, cover FGF23 initially identified as a bone-derived factor targeting the kidney, look at FGF23 as a regulator of phosphate metabolism and beyond, and cover research on novel concepts of FGF receptor signaling. Additional sections cover biochemistry, pharmacology and nephrology, making this book an ideal reference source on FGF23. - Provides a comprehensive collection of chapters on the diversity of FGF23's actions - Highlights truly translational topics, from molecular signaling to physiology and mechanism of disease, discussing cell culture and animal models to study FGF23 - Describes FGF23's potential in the clinical setting as a biomarker or even drug target - Presents leaders in the field who cover a wide spectrum of research backgrounds and expertise, including clinical and basic scientists who specialize in diseases, endocrinology, genetics, protein biochemistry, cell biology and physiology
Author | : Shaul Massry |
Publisher | : Springer Science & Business Media |
Total Pages | : 611 |
Release | : 2013-11-21 |
Genre | : Medical |
ISBN | : 1461342171 |
We present to our readers the proceedings of the Second International Workshop on Phosphate. A short account of the history of the effort led to the Phosphate Workshops is appro priate and can be of interest to the reader. The idea for Phosphate Workshops was born in the early days of November, 1974. One of us (S. G. M. ) suggested the thought to a group of scientists gathered for a luncheon in one of the attrac tive small restaurants in Weisbaden, Germany. The purpose of the workshop was to bring together interested scientists to discuss the newer developments and the recent advances in the field of phosphate metabolism and the other related minerals. An Organizing Committee made of Shaul G. Massry (USA), Louis V. Avioli (USA), Philippe Bordier (France), Herbert Fleisch (Switzerland), and Eduardo Slatopolsky (USA) was formed. The First Workshop was held in Paris during June 5-6, 1975 and was hosted by Dr. Philippe Bordier. Its proceeding was already published. The Second Workshop took place in Heidelberg during June 28-30, 1976 and was hosted by Dr. Eberhard Ritz. Both of these workshops were extremely successful scientific endeavors, and the need for them was demonstrated by the great interest they generated among the scientific community. The Or ganizing Committee, therefore, decided to continue with the tradi tion to hold additional Workshops annually or every other year.
Author | : Tobias Erik Martin Larsson |
Publisher | : |
Total Pages | : 80 |
Release | : 2004 |
Genre | : |
ISBN | : 9789155460136 |
Author | : Makoto Kuro-o |
Publisher | : Springer Science & Business Media |
Total Pages | : 250 |
Release | : 2012-03-06 |
Genre | : Science |
ISBN | : 1461408873 |
Fibroblast growth factors (FGFs) have been recognized primarily as autocrine/paracrine factors that regulate embryonic development and organogenesis. However, recent studies have revealed that some FGFs function as endocrine factors and regulate various metabolic processes in adulthood. Such FGFs, collectively called endocrine FGFs, are comprised of three members (FGF15/19, FGF21, and FGF23: FGF15 is the mouse ortholog of human FGF19). These endocrine FGFs share a common structural feature that enables the endocrine mode of action at the expense of the affinity to FGF receptors. To restore the affinity to FGF receptors in their target organs, the endocrine FGFs have designated the Klotho family of transmembrane proteins as obligate co-receptors. By expressing Klothos in a tissue-specific manner, this unique co-receptor system also enables the endocrine FGFs to specify their target organs among many tissues that express FGF receptors.
Author | : Ellis D. Avner |
Publisher | : Springer Science & Business Media |
Total Pages | : 2059 |
Release | : 2009-08-20 |
Genre | : Medical |
ISBN | : 3540763279 |
Here is an extensive update of Pediatric Nephrology, which has become the standard reference text in the field. It is global in perspective and reflects the international group of editors, who are well-recognized experts in pediatric nephrology. Within this text, the development of kidney structure and function is followed by detailed and comprehensive chapters on all childhood kidney diseases.
Author | : |
Publisher | : |
Total Pages | : 350 |
Release | : 2009 |
Genre | : Bones |
ISBN | : |
Heritable disorders of phosphate handling are the most common cause of hypophosphatemic rickets in developed countries. Isolated renal phosphate wasting and subsequent low serum phosphate concentrations may result from a number of genetic disorders that include: autosomal dominant hypophosphatemic rickets (ADHR), X-linked hypophosphatemic rickets (XLH), and autosomal recessive hypophosphatemic rickets (ARHR). Fibroblast growth factor-23 (FGF23), identified as the causative gene in ADHR, is produced in bone and plays a central role in kidney phosphate regulation. Increased serum concentrations of FGF23 lead to renal phosphate wasting through down regulation of renal sodium-phosphate co-transporters. However, the molecular mechanisms of FGF23 bioactivity in hormonal phosphate regulation are largely unknown. An experimental focus of this dissertation was to investigate the molecular mechanisms of FGF23-mediated phosphate regulation in the bone-kidney hormonal axis. To this end, the role of Dentin Matrix Protein 1 (DMP1), newly identified as the gene responsible for ARHR, was further defined by the identification of a novel large deletion as well as testing the molecular consequences of DMP1 mutations. FGF23 requires a signaling complex composed of Klotho and an FGFR for bioactivity, however, the location and composition of the signaling complex is unknown. Klotho localizes to the renal distal convoluted tubule, whereas the sodium phosphate co-transporters are expressed within the renal proximal tubules. The molecular mechanisms of FGF23 signaling were investigated by isolating a novel marker of FGF23 bioactivity using array technology, determining the location of initial FGF23 signaling in the kidney, and by identifying a novel mutation in a receptor upstream of FGF23 production. Taken together, these results increase the knowledge of the molecular mechanisms of phosphate homeostasis in relation to FGF23 bioactivity, leading to the identification of potentially novel therapeutic targets.
Author | : Pierre Delanaye |
Publisher | : Bentham Science Publishers |
Total Pages | : 157 |
Release | : 2012-02-13 |
Genre | : Medical |
ISBN | : 1608053334 |
Clinical chemistry is a science that requires specific knowledge and teaching. The e-book covers several topics in clinical nephrology. Patients suffering from severe chronic kidney disease may be quasi asymptomatic. This lack of overt symptomatology sugg
Author | : Christopher S. Kovacs |
Publisher | : Academic Press |
Total Pages | : 1038 |
Release | : 2019-10-12 |
Genre | : Medical |
ISBN | : 0128148241 |
Maternal-Fetal and Neonatal Endocrinology: Physiology, Pathophysiology, and Clinical Management systematically examines the normal and abnormal endocrinology of the pregnant and lactating female and of the fetus and neonate. This reference volume expands coverage of specific disorders and diseases beyond the current endocrinology content on the market, which in most cases has a paragraph or no mention at all about pregnancy or aspects of fetal/neonatal development. Formalized source of maternal/fetal endocrine physiology and pathophysiology Key reference for fellows and residents for rarer endocrine pathologies Integrated presentation of new molecular and genetic causes of endocrine disorders Bridges the experience/knowledge gap of endocrinopathies rarely encountered in pregnancy
Author | : Philipp Glosse |
Publisher | : |
Total Pages | : 0 |
Release | : 2020* |
Genre | : |
ISBN | : |
FGF23; Klotho; kidney; calcium; phosphate; Orai1; inflammation; energy deficiency.