Abstract
Systemic phosphate homeostasis is tightly controlled by the delicate cross-organ talk among intestine, kidney, bone, and parathyroid glands. The endocrine regulation of phosphate homeostasis is primarily mediated by fibroblast growth factor 23 (FGF23), vitamin D, and parathyroid hormone (PTH). Bone-derived FGF23 acts on the proximal tubular epithelial cells of the kidney to partly maintain the homeostatic balance of the phosphate. FGF23, through binding with its cell surface receptors in the presence of klotho, can activate downstream signaling kinases to reduce the functionality of the sodium-phosphate (NaPi) co-transporters of the kidney to influence the systemic phosphate homeostasis. Given the complexity of molecular regulation of phosphate homeostasis, providing information on all aspects of its homeostatic control in a single volume of a book is an overwhelming task. As the Editor, I have organized the chapters that I believe will provide necessary information on the physiologic regulation and pathologic dysregulation of phosphate in health and diseases. Readers will be able to use this volume as a quick reference for updated information on phosphate metabolism without prior acquaintance with the field.
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References
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Acknowledgement
I want to express my sincere gratitude to Dr. Nuraly Akimbekov (Al-Farabi Kazakh National University, Kazakhstan) for his help in drawing the illustrations. I also wish to thank Dr. Margo Wolfe for reading the manuscript and providing useful suggestions.
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Razzaque, M.S. (2022). Phosphate Metabolism: From Physiology to Toxicity. In: Razzaque, M.S. (eds) Phosphate Metabolism . Advances in Experimental Medicine and Biology, vol 1362. Springer, Cham. https://doi.org/10.1007/978-3-030-91623-7_1
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DOI: https://doi.org/10.1007/978-3-030-91623-7_1
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