Gene Symbol: FGF23
Description: fibroblast growth factor 23
Alias: ADHR, FGFN, HPDR2, HYPF, PHPTC, fibroblast growth factor 23, phosphatonin, tumor-derived hypophosphatemia inducing factor
Species: human
Products:     FGF23

Top Publications

  1. Weber T, Liu S, Indridason O, Quarles L. Serum FGF23 levels in normal and disordered phosphorus homeostasis. J Bone Miner Res. 2003;18:1227-34 pubmed
    ..wasting in X-linked hypophosphatemic rickets (XLH) because of the accumulation of a phosphaturic hormone called phosphatonin. The recent discovery that FGF23 is the circulating phosphaturic factor in autosomal dominant hypophosphatemia ..
  2. GUTIERREZ O, Wolf M, Taylor E. Fibroblast growth factor 23, cardiovascular disease risk factors, and phosphorus intake in the health professionals follow-up study. Clin J Am Soc Nephrol. 2011;6:2871-8 pubmed publisher
    b>Fibroblast growth factor 23 (FGF23) regulates phosphorus and vitamin D metabolism...
  3. Shigematsu T, Kazama J, Yamashita T, Fukumoto S, Hosoya T, Gejyo F, et al. Possible involvement of circulating fibroblast growth factor 23 in the development of secondary hyperparathyroidism associated with renal insufficiency. Am J Kidney Dis. 2004;44:250-6 pubmed
    b>Fibroblast growth factor 23 (FGF-23) is a recently identified polypeptide that promotes renal phosphate excretion and decreases serum 1,25-dihydroxyvitamin D3 (1,25D) levels...
  4. Wang H, Yoshiko Y, Yamamoto R, Minamizaki T, Kozai K, Tanne K, et al. Overexpression of fibroblast growth factor 23 suppresses osteoblast differentiation and matrix mineralization in vitro. J Bone Miner Res. 2008;23:939-48 pubmed publisher
    ..However, it remains unclear whether FGF23 acts locally and directly on bone formation...
  5. Urakawa I, Yamazaki Y, Shimada T, Iijima K, Hasegawa H, Okawa K, et al. Klotho converts canonical FGF receptor into a specific receptor for FGF23. Nature. 2006;444:770-4 pubmed
    b>FGF23 is a unique member of the fibroblast growth factor (FGF) family because it acts as a hormone that derives from bone and regulates kidney functions, whereas most other family members are thought to regulate various cell functions at ..
  6. Yamashita T, Yoshioka M, Itoh N. Identification of a novel fibroblast growth factor, FGF-23, preferentially expressed in the ventrolateral thalamic nucleus of the brain. Biochem Biophys Res Commun. 2000;277:494-8 pubmed
    ..FGF-23 mRNA in the brain was found to be preferentially expressed in the ventrolateral thalamic nucleus. Therefore, FGF-23 is expected a unique FGF that plays roles in the function of the ventrolateral thalamic nucleus. ..
  7. Isakova T, Xie H, Yang W, Xie D, Anderson A, Scialla J, et al. Fibroblast growth factor 23 and risks of mortality and end-stage renal disease in patients with chronic kidney disease. JAMA. 2011;305:2432-9 pubmed publisher
    A high level of the phosphate-regulating hormone fibroblast growth factor 23 (FGF-23) is associated with mortality in patients with end-stage renal disease, but little is known about its relationship with adverse outcomes in the much ..
  8. Liu S, Guo R, Simpson L, Xiao Z, Burnham C, Quarles L. Regulation of fibroblastic growth factor 23 expression but not degradation by PHEX. J Biol Chem. 2003;278:37419-26 pubmed
    ..b>FGF23 is a candidate for this phosphaturic factor...
  9. Andrukhova O, Zeitz U, Goetz R, Mohammadi M, Lanske B, Erben R. FGF23 acts directly on renal proximal tubules to induce phosphaturia through activation of the ERK1/2-SGK1 signaling pathway. Bone. 2012;51:621-8 pubmed publisher
    Fibroblast growth factor-23 (FGF23) is a bone-derived endocrine regulator of phosphate homeostasis which inhibits renal tubular phosphate reabsorption...

More Information


  1. Wolf M, Molnar M, Amaral A, Czira M, Rudas A, Ujszaszi A, et al. Elevated fibroblast growth factor 23 is a risk factor for kidney transplant loss and mortality. J Am Soc Nephrol. 2011;22:956-66 pubmed publisher
    An increased circulating level of fibroblast growth factor 23 (FGF23) is an independent risk factor for mortality, cardiovascular disease, and progression of chronic kidney disease (CKD), but its role in transplant allograft and patient ..
  2. Jean G, Terrat J, Vanel T, Hurot J, Lorriaux C, Mayor B, et al. High levels of serum fibroblast growth factor (FGF)-23 are associated with increased mortality in long haemodialysis patients. Nephrol Dial Transplant. 2009;24:2792-6 pubmed publisher
    ..However, phosphataemia is still the main factor correlating with serum FGF-23. The association of higher serum FGF-23 levels with mortality and VC, regardless of the serum phosphate levels, has thus been confirmed. ..
  3. Evenepoel P, Meijers B, Viaene L, Bammens B, Claes K, Kuypers D, et al. Fibroblast growth factor-23 in early chronic kidney disease: additional support in favor of a phosphate-centric paradigm for the pathogenesis of secondary hyperparathyroidism. Clin J Am Soc Nephrol. 2010;5:1268-76 pubmed publisher
    ..Our data are in favor of the new paradigm for the pathogenesis of secondary hyperparathyroidism according to which a reduced phosphate excretion capacity is the principal abnormality that initiates secondary hyperparathyroidism. ..
  4. Dalal M, Sun K, Cappola A, Ferrucci L, Crasto C, Fried L, et al. Relationship of serum fibroblast growth factor 23 with cardiovascular disease in older community-dwelling women. Eur J Endocrinol. 2011;165:797-803 pubmed publisher
    Although fibroblast growth factor 23 (FGF23) has been implicated in the pathogenesis of cardiovascular disease, the relationship between FGF23 and cardiovascular disease has not been well characterized in the general population...
  5. GUTIERREZ O, Januzzi J, Isakova T, Laliberte K, Smith K, Collerone G, et al. Fibroblast growth factor 23 and left ventricular hypertrophy in chronic kidney disease. Circulation. 2009;119:2545-52 pubmed publisher
    b>Fibroblast growth factor 23 (FGF-23) is a phosphorus-regulating hormone. In chronic kidney disease (CKD), circulating FGF-23 levels are markedly elevated and independently associated with mortality...
  6. Scialla J, Lau W, Reilly M, Isakova T, Yang H, Crouthamel M, et al. Fibroblast growth factor 23 is not associated with and does not induce arterial calcification. Kidney Int. 2013;83:1159-68 pubmed publisher
    Elevated fibroblast growth factor 23 (FGF23) is associated with cardiovascular disease in patients with chronic kidney disease...
  7. Kirkpantur A, Balci M, Gurbuz O, Afsar B, Canbakan B, Akdemir R, et al. Serum fibroblast growth factor-23 (FGF-23) levels are independently associated with left ventricular mass and myocardial performance index in maintenance haemodialysis patients. Nephrol Dial Transplant. 2011;26:1346-54 pubmed publisher
    ..Further prospective studies are needed to clarify whether increased serum FGF-23 level is a marker or a potential mechanism for left ventricular involvement in patients with end-stage renal disease. ..
  8. Schoppet M, Hofbauer L, Brinskelle Schmal N, Varennes A, Goudable J, Richard M, et al. Serum level of the phosphaturic factor FGF23 is associated with abdominal aortic calcification in men: the STRAMBO study. J Clin Endocrinol Metab. 2012;97:E575-83 pubmed publisher
    ..Fibroblast growth factor-23 (FGF23) is a key molecule regulating mineral homeostasis...
  9. Hsu H, Wu M. Fibroblast growth factor 23: a possible cause of left ventricular hypertrophy in hemodialysis patients. Am J Med Sci. 2009;337:116-22 pubmed publisher
    ..Hyperphosphatemia is associated with LVH. Previous studies have shown that fibroblast growth factor 23 (FGF23), which has an important role in phosphate metabolism, is elevated in chronic hemodialysis ..
  10. Shimada T, Hasegawa H, Yamazaki Y, Muto T, Hino R, Takeuchi Y, et al. FGF-23 is a potent regulator of vitamin D metabolism and phosphate homeostasis. J Bone Miner Res. 2004;19:429-35 pubmed
    ..In conclusion, FGF-23 is a potent regulator of phosphate and vitamin D homeostasis. ..
  11. Filler G, Liu D, Sharma A, Grimmer J. Are fibroblast growth factor 23 concentrations in renal transplant patients different from non-transplanted chronic kidney disease patients?. Pediatr Transplant. 2012;16:73-7 pubmed publisher
    To compare the pattern of serum FGF23 levels in pediatric renal transplant recipients and GFR-matched controls...
  12. Shimada T, Mizutani S, Muto T, Yoneya T, Hino R, Takeda S, et al. Cloning and characterization of FGF23 as a causative factor of tumor-induced osteomalacia. Proc Natl Acad Sci U S A. 2001;98:6500-5 pubmed
    ..Based on the sequence of one major contig, we cloned 2,270-bp cDNA, which turned out to encode fibroblast growth factor 23 (FGF23). Administration of recombinant FGF23 decreased serum phosphate in mice within 12 h...
  13. Saito H, Kusano K, Kinosaki M, Ito H, Hirata M, Segawa H, et al. Human fibroblast growth factor-23 mutants suppress Na+-dependent phosphate co-transport activity and 1alpha,25-dihydroxyvitamin D3 production. J Biol Chem. 2003;278:2206-11 pubmed
    The human fibroblast growth factor 23 (hFGF23) and its autosomal dominant hypophosphatemic rickets (ADHR) mutant genes were incorporated into animals by naked DNA injection to investigate the action on phosphate homeostasis in vivo...
  14. Farrow E, Davis S, Summers L, White K. Initial FGF23-mediated signaling occurs in the distal convoluted tubule. J Am Soc Nephrol. 2009;20:955-60 pubmed publisher
    Fibroblast growth factor-23 (FGF23), a hormone central to phosphate and vitamin D metabolism, reduces renal absorption of phosphate by downregulating the sodium-phosphate cotransporter Npt2a...
  15. Mirza M, Larsson A, Lind L, Larsson T. Circulating fibroblast growth factor-23 is associated with vascular dysfunction in the community. Atherosclerosis. 2009;205:385-90 pubmed publisher
    ..These patients have elevated circulating levels of FGF23, which predict for increased mortality in CKD patients on hemodialysis...
  16. Quarles L. Role of FGF23 in vitamin D and phosphate metabolism: implications in chronic kidney disease. Exp Cell Res. 2012;318:1040-8 pubmed publisher
    b>FGF23 is a bone-derived hormone that regulates systemic phosphate homeostasis, vitamin D metabolism and ?-Klotho expression through a novel bone-kidney axis...
  17. Nasrallah M, El Shehaby A, Salem M, Osman N, El Sheikh E, Sharaf El Din U. Fibroblast growth factor-23 (FGF-23) is independently correlated to aortic calcification in haemodialysis patients. Nephrol Dial Transplant. 2010;25:2679-85 pubmed publisher
    ..48; whereas in incident patients, only FGF-23 was associated with ACI (P = 0.007), R(2) = 0.37. In haemodialysis patients, FGF-23 and ACI were significantly increased, and FGF-23 was independently associated with aortic calcification. ..
  18. Magnusson P, Hansson S, Swolin Eide D. A prospective study of fibroblast growth factor-23 in children with chronic kidney disease. Scand J Clin Lab Invest. 2010;70:15-20 pubmed publisher
    ..61 (p <0.05). Although a small study group, this prospective study suggests that FGF-23 is associated with GFR, PTH, and lumbar spine BMD in pediatric patients with various degrees of CKD. ..
  19. Razzaque M. The FGF23-Klotho axis: endocrine regulation of phosphate homeostasis. Nat Rev Endocrinol. 2009;5:611-9 pubmed publisher
    ..levels of phosphate in the body are maintained by the coordinated regulation of the bone-derived growth factor FGF23 and the membrane-bound protein Klotho...
  20. Larsson T, Marsell R, Schipani E, Ohlsson C, Ljunggren O, Tenenhouse H, et al. Transgenic mice expressing fibroblast growth factor 23 under the control of the alpha1(I) collagen promoter exhibit growth retardation, osteomalacia, and disturbed phosphate homeostasis. Endocrinology. 2004;145:3087-94 pubmed
    Mutations in the fibroblast growth factor 23 gene, FGF23, cause autosomal dominant hypophosphatemic rickets (ADHR)...
  21. Canziani M, Tomiyama C, Higa A, Draibe S, Carvalho A. Fibroblast growth factor 23 in chronic kidney disease: bridging the gap between bone mineral metabolism and left ventricular hypertrophy. Blood Purif. 2011;31:26-32 pubmed publisher
    ..with LVH were older, had a higher prevalence of hypertension, and higher levels of intact parathormone, fibroblast growth factor 23 and C-reactive protein...
  22. Fukumoto S. Physiological regulation and disorders of phosphate metabolism--pivotal role of fibroblast growth factor 23. Intern Med. 2008;47:337-43 pubmed
    Fibroblast growth factor (FGF) 23 has been identified as the last member of FGF family. FGF23 reduces serum phosphate level by suppressing proximal tubular phosphate reabsorption and intestinal phosphate absorption...
  23. Scialla J, Xie H, Rahman M, Anderson A, Isakova T, Ojo A, et al. Fibroblast growth factor-23 and cardiovascular events in CKD. J Am Soc Nephrol. 2014;25:349-60 pubmed publisher
    ..Thus, higher FGF-23 is independently associated with greater risk of cardiovascular events, particularly CHF, in patients with CKD stages 2-4. ..
  24. Ito N, Fukumoto S, Takeuchi Y, Takeda S, Suzuki H, Yamashita T, et al. Effect of acute changes of serum phosphate on fibroblast growth factor (FGF)23 levels in humans. J Bone Miner Metab. 2007;25:419-22 pubmed
    ..Subsequent studies indicated that FGF23 is a hormone regulating serum phosphate level...
  25. Di Iorio B, Di Micco L, Torraca S, Sirico M, Russo L, Pota A, et al. Acute effects of very-low-protein diet on FGF23 levels: a randomized study. Clin J Am Soc Nephrol. 2012;7:581-7 pubmed publisher
    High levels of fibroblast growth factor 23 are associated with mortality, CKD progression, and calcification in CKD patients. The aim of this pilot study is to assess whether a very-low-protein diet (0...
  26. Gattineni J, Bates C, Twombley K, Dwarakanath V, Robinson M, Goetz R, et al. FGF23 decreases renal NaPi-2a and NaPi-2c expression and induces hypophosphatemia in vivo predominantly via FGF receptor 1. Am J Physiol Renal Physiol. 2009;297:F282-91 pubmed publisher
    Fibroblast growth factor-23 (FGF23) is a phosphaturic hormone that contributes to several hypophosphatemic disorders by reducing the expression of the type II sodium-phosphate cotransporters (NaPi-2a and NaPi-2c) in the kidney proximal ..
  27. Larsson T, Nisbeth U, Ljunggren O, Juppner H, Jonsson K. Circulating concentration of FGF-23 increases as renal function declines in patients with chronic kidney disease, but does not change in response to variation in phosphate intake in healthy volunteers. Kidney Int. 2003;64:2272-9 pubmed
    ..Circulating FGF-23 was significantly elevated in patients with CKD and its concentration correlated with renal creatinine clearance. In healthy volunteers, FGF-23 levels did not change after phosphate deprivation or phosphate loading. ..
  28. Bahrami A, Weiss S, Montgomery E, Horvai A, Jin L, Inwards C, et al. RT-PCR analysis for FGF23 using paraffin sections in the diagnosis of phosphaturic mesenchymal tumors with and without known tumor induced osteomalacia. Am J Surg Pathol. 2009;33:1348-54 pubmed publisher
    ..osteomalacia (TIO) in most cases through the elaboration of a phosphaturic hormone, fibroblast growth factor-23 (FGF23). Rarely, identical tumors without known TIO may be observed...
  29. Faul C, Amaral A, Oskouei B, Hu M, Sloan A, Isakova T, et al. FGF23 induces left ventricular hypertrophy. J Clin Invest. 2011;121:4393-408 pubmed publisher
    ..Elevated levels of FGF23 have been linked to greater risks of LVH and mortality in patients with CKD, but whether these risks represent ..
  30. White K, Carn G, Lorenz Depiereux B, Benet Pages A, Strom T, Econs M. Autosomal-dominant hypophosphatemic rickets (ADHR) mutations stabilize FGF-23. Kidney Int. 2001;60:2079-86 pubmed
    The gene for the renal phosphate wasting disorder autosomal-dominant hypophosphatemic rickets (ADHR) is FGF23, which encodes a secreted protein related to the fibroblast growth factors (FGFs)...
  31. Wojcik M, Janus D, Dolezal Oltarzewska K, Drozdz D, Sztefko K, Starzyk J. The association of FGF23 levels in obese adolescents with insulin sensitivity. J Pediatr Endocrinol Metab. 2012;25:687-90 pubmed
    The fibroblast growth factor 23 (FGF23) is the most important hormonal regulator of circulating phosphate levels. Apart from this essential role, it may also act as a 'hormone-like' factor involved in glucose and lipid metabolism...
  32. Yilmaz M, Sonmez A, Saglam M, Yaman H, Kilic S, Demirkaya E, et al. FGF-23 and vascular dysfunction in patients with stage 3 and 4 chronic kidney disease. Kidney Int. 2010;78:679-85 pubmed publisher
    ..There was no independent association between FGF-23 and nitroglycerin. Thus, attenuation of FMD by ADMA suggests that this endogenous inhibitor of NO synthase may, in part, mediate the vascular effects of FGF-23 in patients with CKD. ..
  33. Donate Correa J, Muros de Fuentes M, Mora Fernández C, Navarro González J. FGF23/Klotho axis: phosphorus, mineral metabolism and beyond. Cytokine Growth Factor Rev. 2012;23:37-46 pubmed publisher
    ..Finally, we consider the numerous processes in which Klotho is involved, including anti-ageing and mineral control processes, independently of its functions as obligated-coreceptor for FGF23.
  34. Liu S, Quarles L. How fibroblast growth factor 23 works. J Am Soc Nephrol. 2007;18:1637-47 pubmed
    ..caused by either high or low circulating levels of the novel phosphaturic hormone fibroblastic growth factor 23 (FGF23)...
  35. Shimada T, Muto T, Urakawa I, Yoneya T, Yamazaki Y, Okawa K, et al. Mutant FGF-23 responsible for autosomal dominant hypophosphatemic rickets is resistant to proteolytic cleavage and causes hypophosphatemia in vivo. Endocrinology. 2002;143:3179-82 pubmed
    ..pathogenesis of two similar hypophosphatemic diseases, autosomal dominant hypophosphatemic rickets/osteomalacia (ADHR) and tumor-induced osteomalacia (TIO). We have shown that the overproduction of FGF-23 by tumors causes TIO...
  36. Fernandez Real J, Puig J, Serrano M, Sabater M, Rubió A, Moreno Navarrete J, et al. Iron and obesity status-associated insulin resistance influence circulating fibroblast-growth factor-23 concentrations. PLoS ONE. 2013;8:e58961 pubmed publisher
    b>Fibroblast growth factor 23 (FGF-23) is known to be produced by the bone and linked to metabolic risk...
  37. de Borst M, Vervloet M, Ter Wee P, Navis G. Cross talk between the renin-angiotensin-aldosterone system and vitamin D-FGF-23-klotho in chronic kidney disease. J Am Soc Nephrol. 2011;22:1603-9 pubmed publisher
    There is increasingly evidence that the interactions between vitamin D, fibroblast growth factor 23 (FGF-23), and klotho form an endocrine axis for calcium and phosphate metabolism, and derangement of this axis contributes to the ..
  38. Titan S, Zatz R, Graciolli F, dos Reis L, Barros R, Jorgetti V, et al. FGF-23 as a predictor of renal outcome in diabetic nephropathy. Clin J Am Soc Nephrol. 2011;6:241-7 pubmed publisher
    b>Fibroblast growth factor 23 (FGF-23) has emerged as a new factor in mineral metabolism in chronic kidney disease (CKD)...
  39. Goetz R, Nakada Y, Hu M, Kurosu H, Wang L, Nakatani T, et al. Isolated C-terminal tail of FGF23 alleviates hypophosphatemia by inhibiting FGF23-FGFR-Klotho complex formation. Proc Natl Acad Sci U S A. 2010;107:407-12 pubmed publisher
    ..The phosphaturic activity of FGF23 is abrogated by proteolytic cleavage at the RXXR motif that lies at the boundary between the FGF core homology ..
  40. Wesseling Perry K, Pereira R, Wang H, Elashoff R, Sahney S, Gales B, et al. Relationship between plasma fibroblast growth factor-23 concentration and bone mineralization in children with renal failure on peritoneal dialysis. J Clin Endocrinol Metab. 2009;94:511-7 pubmed publisher
    ..Together with other biomarkers, FGF-23 measurements may indicate skeletal mineralization status in this patient population. ..
  41. Braithwaite V, Jarjou L, Goldberg G, Jones H, Pettifor J, Prentice A. Follow-up study of Gambian children with rickets-like bone deformities and elevated plasma FGF23: possible aetiological factors. Bone. 2012;50:218-25 pubmed publisher
    ..a perturbation of Ca-P metabolism involving low plasma phosphate and high circulating fibroblast growth factor-23 (FGF23) concentrations...
  42. Heine G, Seiler S, Fliser D. FGF-23: the rise of a novel cardiovascular risk marker in CKD. Nephrol Dial Transplant. 2012;27:3072-81 pubmed publisher
    Elevated plasma levels of the phosphaturic hormone fibroblast growth factor 23 (FGF-23) are a hallmark of chronic kidney disease (CKD)-mineral and bone disorder...
  43. Bacchetta J, Dubourg L, Harambat J, Ranchin B, Abou Jaoude P, Arnaud S, et al. The influence of glomerular filtration rate and age on fibroblast growth factor 23 serum levels in pediatric chronic kidney disease. J Clin Endocrinol Metab. 2010;95:1741-8 pubmed publisher
    b>Fibroblast growth factor 23 (FGF23) is a phosphaturic factor and a suppressor of 1alpha-hydroxylase activity in the kidney...
  44. Desjardins L, Liabeuf S, Renard C, Lenglet A, Lemke H, Choukroun G, et al. FGF23 is independently associated with vascular calcification but not bone mineral density in patients at various CKD stages. Osteoporos Int. 2012;23:2017-25 pubmed publisher
    The hormone fibroblast growth factor 23 (FGF23) is involved in mineral homeostasis but may also have a role in vascular calcification and bone mineralization...
  45. Ferrari S, Bonjour J, Rizzoli R. Fibroblast growth factor-23 relationship to dietary phosphate and renal phosphate handling in healthy young men. J Clin Endocrinol Metab. 2005;90:1519-24 pubmed
    ..These data suggest that FGF-23 may be implicated in the physiological regulation of Pi homeostasis in response to dietary phosphate changes, independent of PTH. ..
  46. Peiskerová M, Kalousova M, Kratochvilová M, Dusilova Sulkova S, Uhrova J, Bandur S, et al. Fibroblast growth factor 23 and matrix-metalloproteinases in patients with chronic kidney disease: are they associated with cardiovascular disease?. Kidney Blood Press Res. 2009;32:276-83 pubmed publisher
    ..b>Fibroblast growth factor 23 (FGF-23) is a phosphatonin and inhibitor of calcitriol synthesis, which is associated with poor ..
  47. Vervloet M, van Ittersum F, Büttler R, Heijboer A, Blankenstein M, Ter Wee P. Effects of dietary phosphate and calcium intake on fibroblast growth factor-23. Clin J Am Soc Nephrol. 2011;6:383-9 pubmed publisher
    Little is known about the influence of dietary phosphate intake on fibroblast growth factor-23 (FGF23) and its subsequent effects on vitamin D levels...
  48. Lim K, Lu T, Molostvov G, Lee C, Lam F, Zehnder D, et al. Vascular Klotho deficiency potentiates the development of human artery calcification and mediates resistance to fibroblast growth factor 23. Circulation. 2012;125:2243-55 pubmed publisher
    Klotho is known to function as a cofactor for the phosphatonin, fibroblast growth factor (FGF)-23 at the kidney. FGF-23 levels rise in chronic kidney disease (CKD) despite progression of accelerated vascular calcification...
  49. Isakova T, Barchi Chung A, Enfield G, Smith K, Vargas G, Houston J, et al. Effects of dietary phosphate restriction and phosphate binders on FGF23 levels in CKD. Clin J Am Soc Nephrol. 2013;8:1009-18 pubmed publisher
    Elevated levels of fibroblast growth factor 23 (FGF23) are associated with increased risk of adverse outcomes in patients with CKD...
  50. Larsson T, Davis S, Garringer H, Mooney S, Draman M, Cullen M, et al. Fibroblast growth factor-23 mutants causing familial tumoral calcinosis are differentially processed. Endocrinology. 2005;146:3883-91 pubmed
    ..Two recessive mutations in fibroblast growth factor-23 (FGF23), serine 71/glycine (S71G) and serine 129/phenylalanine (S129F), were identified as causing TC...
  51. Pereira R, Juppner H, Azucena Serrano C, Yadin O, Salusky I, Wesseling Perry K. Patterns of FGF-23, DMP1, and MEPE expression in patients with chronic kidney disease. Bone. 2009;45:1161-8 pubmed publisher
    b>Fibroblast growth factor 23 (FGF-23), dentin matrix protein 1 (DMP1), and matrix extracellular phosphoglycoprotein (MEPE) are skeletal proteins involved in the regulation of phosphate homeostasis and bone metabolism...
  52. Cozzolino M, Mazzaferro S. The fibroblast growth factor 23: a new player in the field of cardiovascular, bone and renal disease. Curr Vasc Pharmacol. 2010;8:404-11 pubmed
    ..of phosphate homeostasis and secondary hyperparathyroidism pathogenesis has been proposed, with Fibroblast Growth Factor 23 (FGF-23) as a novel player in the field...
  53. Shibata K, Fujita S, Morita H, Okamoto Y, Sohmiya K, Hoshiga M, et al. Association between circulating fibroblast growth factor 23, ?-Klotho, and the left ventricular ejection fraction and left ventricular mass in cardiology inpatients. PLoS ONE. 2013;8:e73184 pubmed publisher
    b>Fibroblast growth factor 23 (FGF23), with its co-receptor Klotho, plays a crucial role in phosphate metabolism...
  54. Masi L, Franceschelli F, Leoncini G, Gozzini A, Rigante D, La Torre F, et al. Can fibroblast growth factor (FGF)-23 circulating levels suggest coronary artery abnormalities in children with Kawasaki disease?. Clin Exp Rheumatol. 2013;31:149-53 pubmed
    ..Fibroblast Growth Factor-23 (FGF23) is the latest member of the FGF family, acting on phosphate metabolism, which has been shown to display a ..
  55. Parker B, Schurgers L, Brandenburg V, Christenson R, Vermeer C, Ketteler M, et al. The associations of fibroblast growth factor 23 and uncarboxylated matrix Gla protein with mortality in coronary artery disease: the Heart and Soul Study. Ann Intern Med. 2010;152:640-8 pubmed publisher
    b>Fibroblast growth factor 23 (FGF23), uncarboxylated matrix Gla protein (ucMGP), and fetuin-A are regulators of mineral metabolism and inhibitors of vascular calcification...
  56. Oliveira R, Cancela A, Graciolli F, dos Reis L, Draibe S, Cuppari L, et al. Early control of PTH and FGF23 in normophosphatemic CKD patients: a new target in CKD-MBD therapy?. Clin J Am Soc Nephrol. 2010;5:286-91 pubmed publisher
    Levels of parathyroid hormone (PTH) and the phosphaturic hormone FGF23, a fibroblast growth factor (FGF) family member, increase early in chronic kidney disease (CKD) before the occurrence of hyperphosphatemia...
  57. Quarles L. FGF23, PHEX, and MEPE regulation of phosphate homeostasis and skeletal mineralization. Am J Physiol Endocrinol Metab. 2003;285:E1-9 pubmed
    ..There is evidence for a hormone/enzyme/extracellular matrix protein cascade involving fibroblastic growth factor 23 (FGF23), a phosphate-regulating gene with homologies to endopeptidases on the X chromosome (PHEX), and a matrix ..
  58. Schouten B, Hunt P, Livesey J, Frampton C, Soule S. FGF23 elevation and hypophosphatemia after intravenous iron polymaltose: a prospective study. J Clin Endocrinol Metab. 2009;94:2332-7 pubmed publisher
    Parenteral iron administration has been associated with hypophosphatemia. Fibroblast growth factor 23 (FGF23) has a physiological role in phosphate homeostasis via suppression of 25-hydroxyvitamin D [25(OH)D] activation and promotion of ..
  59. Mirza M, Alsiö J, Hammarstedt A, Erben R, Michaelsson K, Tivesten A, et al. Circulating fibroblast growth factor-23 is associated with fat mass and dyslipidemia in two independent cohorts of elderly individuals. Arterioscler Thromb Vasc Biol. 2011;31:219-27 pubmed publisher
    ..Fibroblast growth factor-23 (FGF23) is a circulating regulator of phosphate and vitamin D metabolism and has recently been implicated as a putative ..
  60. Westerberg P, Linde T, Wikstrom B, Ljunggren O, Stridsberg M, Larsson T. Regulation of fibroblast growth factor-23 in chronic kidney disease. Nephrol Dial Transplant. 2007;22:3202-7 pubmed
    Fibroblast growth factor-23 (FGF23) is a circulating factor that regulates the renal reabsorption of inorganic phosphate (Pi) and is increased in chronic kidney disease (CKD)...
  61. Durham B, Joseph F, Bailey L, Fraser W. The association of circulating ferritin with serum concentrations of fibroblast growth factor-23 measured by three commercial assays. Ann Clin Biochem. 2007;44:463-6 pubmed
    ..Serum ferritin should be measured when an elevated FGF-23 is obtained using the Immutopics C-terminal or intact FGF-23 assay to prevent misdiagnosis of the cause of this abnormality. ..
  62. Yu X, Ibrahimi O, Goetz R, Zhang F, Davis S, Garringer H, et al. Analysis of the biochemical mechanisms for the endocrine actions of fibroblast growth factor-23. Endocrinology. 2005;146:4647-56 pubmed
    ..Presently, it is unknown which of the seven principal FGF receptors (FGFRs) transmits FGF23 biological activity. Furthermore, the molecular basis for the endocrine mode of FGF23 action is unclear...
  63. Gkentzi D, Efthymiadou A, Kritikou D, Chrysis D. Fibroblast growth factor 23 and Klotho serum levels in healthy children. Bone. 2014;66:8-14 pubmed publisher
    Data for fibroblast growth factor 23 (FGF23) and particularly for Klotho in healthy children are limited...
  64. Perwad F, Zhang M, Tenenhouse H, Portale A. Fibroblast growth factor 23 impairs phosphorus and vitamin D metabolism in vivo and suppresses 25-hydroxyvitamin D-1alpha-hydroxylase expression in vitro. Am J Physiol Renal Physiol. 2007;293:F1577-83 pubmed
    ..These novel findings provide evidence that FGF-23 directly regulates renal 1alpha-hydroxylase gene expression via activation of the ERK1/2 signaling pathway. ..
  65. Prentice A, Ceesay M, Nigdikar S, Allen S, Pettifor J. FGF23 is elevated in Gambian children with rickets. Bone. 2008;42:788-97 pubmed publisher
    b>Fibroblast growth factor 23 (FGF23) is a phosphaturic factor that is elevated in several diseases associated with hypophosphatemia and rickets...
  66. Mirza M, Larsson A, Melhus H, Lind L, Larsson T. Serum intact FGF23 associate with left ventricular mass, hypertrophy and geometry in an elderly population. Atherosclerosis. 2009;207:546-51 pubmed publisher
    Fibroblast growth factor-23 (FGF23) is a hormonal regulator of circulating phosphate and vitamin D levels...
  67. Siomou E, Challa A, Printza N, Giapros V, Petropoulou F, Mitsioni A, et al. Serum osteoprotegerin, RANKL and fibroblast growth factor-23 in children with chronic kidney disease. Pediatr Nephrol. 2011;26:1105-14 pubmed publisher
    ..These findings may reflect a compensatory mechanism to the negative balance of bone turnover. High FGF-23 levels in early CKD stages may indicate the need for intervention to manage serum phosphate (Pi) levels. ..
  68. Bai X, Miao D, Li J, Goltzman D, Karaplis A. Transgenic mice overexpressing human fibroblast growth factor 23 (R176Q) delineate a putative role for parathyroid hormone in renal phosphate wasting disorders. Endocrinology. 2004;145:5269-79 pubmed
    b>Fibroblast growth factor 23 (FGF23) is a recently characterized protein likely involved in the regulation of serum phosphate homeostasis...
  69. Arnlov J, Carlsson A, Sundstrom J, Ingelsson E, Larsson A, Lind L, et al. Serum FGF23 and risk of cardiovascular events in relation to mineral metabolism and cardiovascular pathology. Clin J Am Soc Nephrol. 2013;8:781-6 pubmed publisher
    ..Circulating fibroblast growth factor-23 may reflect novel and important aspects of cardiovascular risk yet to be unraveled. ..
  70. Kendrick J, Cheung A, Kaufman J, Greene T, Roberts W, Smits G, et al. FGF-23 associates with death, cardiovascular events, and initiation of chronic dialysis. J Am Soc Nephrol. 2011;22:1913-22 pubmed publisher
    ..In conclusion, in advanced CKD, FGF-23 strongly and independently associates with all-cause mortality, cardiovascular events, and initiation of chronic dialysis. ..
  71. Bowe A, Finnegan R, Jan de Beur S, Cho J, Levine M, Kumar R, et al. FGF-23 inhibits renal tubular phosphate transport and is a PHEX substrate. Biochem Biophys Res Commun. 2001;284:977-81 pubmed
    ..associated with OOM suggests that FGF-23 is responsible for the phosphaturic activity previously termed "phosphatonin." Here we show that both wild-type FGF-23 and the ADHR mutant, FGF-23(R179Q), inhibit phosphate uptake in ..
  72. Ix J, Katz R, Kestenbaum B, De Boer I, Chonchol M, Mukamal K, et al. Fibroblast growth factor-23 and death, heart failure, and cardiovascular events in community-living individuals: CHS (Cardiovascular Health Study). J Am Coll Cardiol. 2012;60:200-7 pubmed publisher
    ..79 to 1.45). FGF-23, a hormone involved in phosphorous and vitamin D homeostasis, is independently associated with all-cause death and incident HF in community-living older persons. These associations appear stronger in persons with CKD. ..
  73. Westerberg P, Tivesten A, Karlsson M, Mellstrom D, Orwoll E, Ohlsson C, et al. Fibroblast growth factor 23, mineral metabolism and mortality among elderly men (Swedish MrOs). BMC Nephrol. 2013;14:85 pubmed publisher
    b>Fibroblast growth factor 23 (FGF23) is the earliest marker of disturbed mineral metabolism as renal function decreases...
  74. Olauson H, Qureshi A, Miyamoto T, Barany P, Heimburger O, Lindholm B, et al. Relation between serum fibroblast growth factor-23 level and mortality in incident dialysis patients: are gender and cardiovascular disease confounding the relationship?. Nephrol Dial Transplant. 2010;25:3033-8 pubmed publisher
    Circulating fibroblast growth factor-23 (FGF23) promotes renal phosphate excretion and is markedly increased in patients with chronic kidney disease...
  75. Isakova T, Wahl P, Vargas G, GUTIERREZ O, Scialla J, Xie H, et al. Fibroblast growth factor 23 is elevated before parathyroid hormone and phosphate in chronic kidney disease. Kidney Int. 2011;79:1370-8 pubmed publisher
    b>Fibroblast growth factor 23 (FGF23) regulates phosphorus metabolism and is a strong predictor of mortality in dialysis patients...