High Circulating FGF-23 and Its Relationship with Severity of Spinal Involvement in Diffuse Idiopathic Skeletal Hyperostosis
Calcified tissue international(2023)
摘要
The primary objective of this study was to determine the role of fibroblast growth factor 23 (FGF-23) in the pathogenesis of diffuse idiopathic skeletal hyperostosis (DISH). A total of 61 patients with DISH and 61 age- and sex-matched control patients without DISH were included in this study. The serum FGF-23, creatinine, inorganic phosphate, calcium, albumin, albumin-adjusted calcium and alkaline phosphatase, and C-reactive protein were assessed in both groups. Based on the extent of ossification, DISH group was further divided into T-DISH and L-DISH subgroups. Data were comparatively analyzed between DISH and Non-DISH groups and among T-DISH, L-DISH, and Non-DISH groups, respectively. Besides, the number of ossification segments of all DISH patients was quantified and the correlation between the number of ossification segments and the serum concentration of FGF-23 was analyzed. The results revealed that serum FGF-23 was significantly higher in DISH group than in Non-DISH group, regardless of gender. Interestingly, serum Pi was significantly lower in DISH group than in Non-DISH group. Moreover, a significant difference in serum FGF-23 among T-DISH, L-DISH, and Non-DISH groups was also observed. In contrast to Non-DISH group, both T-DISH and L-DISH subgroups displayed significantly higher serum FGF-23 level. Although the mean value was relatively higher in L-DISH subgroup, no statistically significant difference was found between T-DISH and L-DISH subgroups. In addition, a moderately positive correlation was identified between the number of ossification segments and the serum level of FGF-23. It can be concluded that serum FGF-23 could serve as a positive biomarker for DISH and may play a significant role in ectopic ossification in DISH.
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关键词
Diffuse idiopathic skeletal hyperostosis,Serum fibroblast growth factor 23,Ectopic ossification,Pathogenesis
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