Characteristics of bone tissue metabolism in adolescents with undifferentiated connective tissue dysplasia |
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Authors: | O. I. Khokhlova G. Yu. Kalayeva I. M. Ustiantseva |
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Affiliation: | 1. Federal Scientific Clinical Center of Miners’ Health Protection, Leninsk-Kuznetsky, Russia
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Abstract: | Biochemical markers of bone metabolism, including osteocalcin, total aminoterminal propeptide type I collagen (PINP), and the product of degradation of carboxy-terminal telopeptide type I collagen (β-CrossLaps) were studied in 17 adolescents 11–14 years of age with undifferentiated connective tissue dysplasia (UDCT). Decreased serum concentrations of bone formation markers (PINP and osteocalcin) against the background of normal levels of the bone resorption marker (β-CrossLaps) indicated that the processes of bone remodeling were disturbed and characterized by low-intensity bone-tissue formation with the relative predominance of resorption. The detected bone metabolism disturbances contributed to the development of osteopenia, which gives us grounds to include adolescents with UDCT to the risk group for early-onset osteoporosis. |
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