期刊
CALCIFIED TISSUE INTERNATIONAL
卷 111, 期 6, 页码 587-596出版社
SPRINGER
DOI: 10.1007/s00223-022-01022-7
关键词
Diabetes; Hypoparathyroidism; Bone turnover
资金
- Swiss National Science Foundation [320030_169407]
- Swiss Society for Endocrinology and Diabetology (SGED/SSED)
- Roche Diagnostics
- Swiss National Science Foundation (SNF) [320030_169407] Funding Source: Swiss National Science Foundation (SNF)
This study investigates the determinants of low bone turnover in type 2 diabetes (T2DM), finding that low serum levels of intact parathormone (iPTH) are associated with low bone turnover. Other factors, such as glycemic control, disease duration, age, and BMI, are not associated with bone turnover.
Determinants of low bone turnover in type 2 diabetes (T2DM) are poorly understood. To investigate the relationship between markers of bone turnover, glycaemic control, disease duration and calciotropic hormones in T2DM we assessed baseline biochemical data from the DiabOS Study, a prospective multicenter observational cohort study. In a cross-sectional study-design data from 110 postmenopausal women and men aged 50-75 years diagnosed with T2DM for at least 3 years and 92 non-diabetic controls were evaluated. Biochemical markers of bone formation (N-terminal propeptide of type I procollagen [PINP]), bone-specific alkaline phosphatase [BAP]) and resorption (C-terminal cross-linking telopeptide of type I collagen [CTX]), measures of calcium homeostasis (intact parathormone [iPTH], 25-Hydroxyvitamin D, calcium, magnesium) and glycaemic control were assessed. After adjustment for age, gender and body mass index (BMI), patients with T2DM had lower serum levels of PINP (p < 0.001), CTX (p < 0.001), iPTH (p = 0.03) and magnesium (p < 0.001) compared to controls. Serum calcium, creatinine, 25-Hydroxyvitamin D and sclerostin did not differ between both groups. In multivariate linear regression analyses only serum iPTH remained an independent determinant of bone turnover markers in T2DM (PINP: p = 0.02; CTX: p < 0.001 and BAP: p < 0.01), whereas glycated haemoglobin (HbA1c), disease duration, age and BMI were not associated with bone turnover. In conclusion low bone turnover in T2DM is associated with low iPTH. The underlying mechanism remains to be elucidated.
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