Japanese nationwide survey of hypophosphatasia reveals prominent differences in genetic and dental findings between odonto and non-odonto types.
In: PLoS ONE, Jg. 14 (2019-10-10), Heft 10, S. 1-15
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Zugriff:
Hypophosphatasia (HPP) is a rare and intractable metabolic bone disease caused by mutations in the ALPL gene. Here, we undertook a nationwide survey of HPP in Japan, specifically regarding the prominent genetic and dental manifestations of odonto (n = 16 cases) and other (termed "non-odonto") (n = 36 cases) types. Mean serum alkaline phosphatase (ALP) values in odonto-type patients were significantly greater than those of non-odonto-type patients (P<0.05). Autosomal dominant and autosomal recessive inheritance patterns were detected, respectively, in 89% of odonto-type and 96% of non-odonto-type patients. The ALPL "c.1559delT" mutation, associated with extremely low ALP activity, was found in approximately 70% of cases. Regarding dental manifestations, all patients classified as odonto-type showed early exfoliation of the primary teeth significantly more frequently than patients classified as non-odonto-type (100% vs. 56%; P<0.05). Tooth hypomineralisation was detected in 42% of non-odonto-type patients, but not in any odonto-type patients (0%; P<0.05). Collectively, these results suggest that genetic and dental manifestations of patients with odonto-type and non-odonto-type HPP are significantly different, and these differences should be considered during clinical treatment of patients with HPP. [ABSTRACT FROM AUTHOR]
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Japanese nationwide survey of hypophosphatasia reveals prominent differences in genetic and dental findings between odonto and non-odonto types.
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Autor/in / Beteiligte Person: | Okawa, Rena ; Kokomoto, Kazuma ; Kitaoka, Taichi ; Kubota, Takuo ; Watanabe, Atsushi ; Taketani, Takeshi ; Michigami, Toshimi ; Ozono, Keiichi ; Nakano, Kazuhiko |
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Zeitschrift: | PLoS ONE, Jg. 14 (2019-10-10), Heft 10, S. 1-15 |
Veröffentlichung: | 2019 |
Medientyp: | academicJournal |
ISSN: | 1932-6203 (print) |
DOI: | 10.1371/journal.pone.0222931 |
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