Phosphorous metabolism and manipulation in chronic kidney disease
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Marando, Marco
Service of Pneumology, Hôpitaux Universitaires de Genève, Geneva, Switzerland
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Tamburello, Adriana
Service of Nephrology, Hôpitaux Universitaires de Genève, Geneva, Switzerland
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Salera, Davide
Department of Internal Medicine, Ospedale Regionale di Lugano, Ospedale Civico, Ente Ospedaliero Cantonale, Lugano, Switzerland
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Di Lullo, Luca
UOC Nephrology and Dialysis Unit, Azienda USL Roma 6, Albano Laziale, Italy
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Bellasi, Antonio
ORCID
Service of Nephrology, Ospedale Regionale di Lugano, Ospedale Civico, Ente Ospedaliero Cantonale, Lugano, Switzerland - Faculty of Biomedical Sciences, Università della Svizzera italiana, Switzerland
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Published in:
- Nephrology. - 2024, vol. 29, no. 12, p. 791-800
English
Chronic kidney disease-mineral bone disorder (CKD-MBD) is a syndrome commonly observed in subjects with impaired renal function. Phosphate metabolism has been implicated in the pathogenesis of CKD-MBD and according to the phosphorocentric hypothesis may be the key player in the pathogenesis of these abnormalities. As phosphorous is an essential component for life, absorption from the bowel, accumulation and release from the bones, and elimination through the kidneys are all homeostatic mechanisms that maintain phosphate balance through very sophisticated feedback mechanisms, which comprise as main actors: vitamin D (VD), parathyroid hormone (PTH), calciproteins particles (CPPs), fibroblast growth factor-23 (FGF-23) and other phosphatonins and klotho. Indeed, as the renal function declines, factors such as FGF-23 and PTH prevent phosphate accumulation and hyperphosphatemia. However, these factors per se may be responsible for the organ damages associated with CKD-MBD, such as bone osteodystrophy and vascular calcification. We herein review the current understanding of the CKD-MBD focusing on phosphorous metabolism and the impact of phosphate manipulation on surrogate and hard outcomes.
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Medicine
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CC BY-NC-ND
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hybrid
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Persistent URL
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https://n2t.net/ark:/12658/srd1330235
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