Article
Pediatric hypophosphatasia: avoid diagnosis missteps!
Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research - 23 Jul 2024
Whyte Michael P, McAlister William H, Mack Karen E, Mumm Steven, Madson Katherine L
Abstract excerpt
Hypophosphatasia (HPP) is the dento-osseous disorder caused by deactivating mutation(s) of ALPL, the gene that encodes the "tissue-nonspecific" isoenzyme of alkaline phosphatase (TNSALP). In HPP, 3 natural substrates of cell-surface TNSALP accumulate extracellularly; phosphoethanolamine (PEA), inorganic pyrophosphate (PPi), and pyridoxal 5'-phosphate (PLP). Hypophosphatasemia together with elevated plasma levels...
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