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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Front+Endocrinol+(Lausanne)
2018 ; 9
(ä): 48
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Targeting Fibroblast Growth Factor 23 Signaling with Antibodies and Inhibitors,
Is There a Rationale?
#MMPMID29515522
Fukumoto S
Front Endocrinol (Lausanne)
2018[]; 9
(ä): 48
PMID29515522
show ga
Fibroblast growth factor 23 (FGF23) is a phosphotropic hormone mainly produced by
bone. FGF23 reduces serum phosphate by suppressing intestinal phosphate
absorption through reducing 1,25-dihydroxyvitamin D and proximal tubular
phosphate reabsorption. Excessive actions of FG23 result in several kinds of
hypophosphatemic rickets/osteomalacia including X-linked hypophosphatemic rickets
(XLH) and tumor-induced osteomalacia. While neutral phosphate and active vitamin
D are standard therapies for child patients with XLH, these medications have
several limitations both in their effects and adverse events. Several approaches
that inhibit FGF23 actions including anti-FGF23 antibodies and inhibitors of FGF
signaling have been shown to improve phenotypes of model mice for FG23-related
hypophosphatemic diseases. In addition, clinical trials indicated that a
humanized anti-FGF23 antibody increased serum phosphate and improved quality of
life in patients with XLH. Furthermore, circulatory FGF23 is high in patients
with chronic kidney disease (CKD). Many epidemiological studies indicated the
association between high FGF23 levels and various adverse events especially in
patients with CKD. However, it is not known whether the inhibition of FGF23
activities in patients with CKD is beneficial for these patients. In this review,
recent findings concerning the modulation of FGF23 activities are discussed.