期刊
TOXINS
卷 13, 期 7, 页码 -出版社
MDPI
DOI: 10.3390/toxins13070479
关键词
p-cresyl sulfate; alkaline phosphatase; bone fracture; chronic kidney disease-mineral and bone disorder
资金
- Ministry of Science and Technology [ECKH_W10808, MOST 109-2628-B-385 -001, 109-2221-E-038 -013]
- National Taiwan University Hospital [NTUH-110-S5154]
- Academia and Industry Collaboration Project of Taipei Medical University
- Renal Care Joint Foundation
- En Chu Kong Hospital
- Pharmofoods Medical Editing Co., Ltd. [A-108-031]
This study investigated the association between PCS, NHALP, and bone fracture risk in hemodialysis patients, finding that elevated levels of PCS and NHALP were intricately linked to an increased risk of bone fractures. A joint evaluation of both markers was deemed more comprehensive than assessing each independently in predicting skeletal events.
Patients with chronic kidney disease (CKD), especially those undergoing hemodialysis, are at a considerably high risk of bone fracture events. Experimental data indicate that uremic toxins intricately involved in bone-related proteins exert multi-faced toxicity on bone cells and tissues, leading to chronic kidney disease-mineral and bone disorder (CKD-MBD). Nonetheless, information regarding the association between p-cresyl sulfate (PCS), non-hepatic alkaline phosphatase (NHALP) and skeletal events remains elusive. We aim to explore the association between PCS, NHALP and risk of bone fracture (BF) in patients with hemodialysis. Plasma concentrations of PCS and NHALP were ascertained at study entry. Cox proportional hazard regression analyses were used to determine unadjusted and adjusted hazard ratios (aHRs) of PCS for BF risk. In multivariable analysis, NHALP was associated with incremental risks of BFs [aHR: 1.06 (95% CI: 1.01-1.11)]. The association between the highest PCS tertile and BF risk remained robust [aHR: 2.87 (95% CI: 1.02-8.09)]. With respect to BF events, the interaction between NHALP and PCS was statistically significant (p value for the interaction term < 0.05). In addition to mineral dysregulation and hyperparathyroidism in hemodialysis patients, higher circulating levels of PCS and NHALP are intricately associated with incremental risk of BF events, indicating that a joint evaluation is more comprehensive than single marker. In light of the extremely high prevalence of CKD-MBD in the hemodialysis population, PCS may act as a pro-osteoporotic toxin and serve as a potential surrogate marker for skeletal events.
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