HPPは、生命を脅かす全身性の遺伝性代謝性疾患です1,8

HPPは、あらゆる年齢の患者さんにおいて、重篤で生命にかかわる症状を伴います1

HPPは、生命を脅かす全身性の遺伝性代謝性疾患です

「HPPの影響」について詳しくはこちら

HPPは骨・全身に影響を及ぼします1,7

PPiとPLPの蓄積は、衰弱性または生命を脅かす骨格系や全身性の症状の発症の原因となります1,4,16-19

HPPの早期かつ正確な診断

早期かつ正確にHPPを診断することは、症状の発症と、若年死を防ぐ上で極めて重要です11-13

HPPの早期かつ正確な診断

HPPの診断について詳しくはこちら

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References: 1. Rockman-Greenberg C. Hypophosphatasia. Pediatr Endocrinol Rev. 2013;10(suppl 2):380-388. 2. Baumgartner-Sigl S, Haberlandt E, Mumm S, et al. Pyridoxine-responsive seizures as the first symptom of infantile hypophosphatasia caused by two novel missense mutations (c.677T>C, p.M226T; c.1112C>T, p.T371I) of the tissue-nonspecific alkaline phosphatase gene. Bone. 2007;40(6):1655-1661. 3. Eade AWT, Swannell AJ, Williamson N. Pyrophosphate arthropathy in hypophosphatasia. Ann Rheum Dis. 1981;40(2):164-170. 4. Balasubramaniam S, Bowling F, Carpenter K, et al. Perinatal hypophosphatasia presenting as neonatal epileptic encephalopathy with abnormal neurotransmitter metabolism secondary to reduced co-factor pyridoxal-5-phosphate availability. J Inherit Metab Dis. 2010;33(3):25-33. 5. Seshia SS, Derbyshire G, Haworth JC, Hoogstraten J. Myopathy with hypophosphatasia. Arch Dis Child. 1990;65(1):130-131. 6. Whyte MP, Murphy WA, Fallon MD. Adult hypophosphatasia with chondrocalcinosis and arthropathy: variable penetrance of hypophosphatasemia in a large Oklahoma kindred. Am J Med. 1982;72(4):631-641. 7. Fallon MD, Teitelbaum SL, Weinstein RS, Goldfischer S, Brown DM, Whyte MP. Hypophosphatasia: clinicopathologic comparison of the infantile, childhood, and adult forms. Medicine. 1984;63(1):12-24. 8. Fraser D. Hypophosphatasia. Am J Med. 1957;22(5):730-746. 9. Whyte MP. Hypophosphatasia: nature’s window on alkaline phosphatase function in humans. In: Bilezikian JP, Raisz LG, Martin TJ, eds. Principles of Bone Biology. Vol 1. 3rd ed. San Diego, CA: Academic Press; 2008:1573-1598. 10. Whyte MP. Hypophosphatasia. In: Scriver CR, Beaudet AL, Sly WS, Valle D, eds. The Metabolic and Molecular Bases of Inherited Disease. Vol 4. 8th ed. New York, NY: McGraw-Hill; 2001:5313-5329. 11. Mohn A, De Leonibus C, de Giorgis T, Mornet E, Chiarelli F. Hypophosphatasia in a child with widened anterior fontanelle: lessons learned from late diagnosis and incorrect treatment. Acta Paediatr. 2011;100(7):e43-e46. 12. Sutton RAL, Mumm S, Coburn SP, Ericson KL, Whyte MP. “Atypical femoral fractures” during bisphosphonate exposure in adult hypophosphatasia. J Bone Miner Res. 2012;27(5):987-994. 13. Cundy T, Michigami T, Tachikawa K, Dray M, Collins J. Phenotypic change in a patient with hypophosphatasia with the onset of renal failure. Paper presented at: 40th Annual Congress of the European Calcified Tissue Society (ECTS); May 18-21, 2013; Lisbon, Portugal.