X-linked hypophosphatemia (XLH) is a heritable form of rickets that results from mutations in the gene encoding the phosphate regulating endopeptidase (PHEX). Unlike diet-associated forms of rickets, XLH cannot be ameliorated by vitamin D ingestion. XLH patients have increased serum levels of FGF23, which decreases both inorganic phosphate (Pi) and the activated form of vitamin D.
via Health News from Medical News Today Read More Here..
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