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Bone Health in Childhood: Usefulness of Biochemical Biomarkers
E Eapen1, V Grey2, A Don-Wauchope1
1Department of Pathology and Molecular Medicine, McMaster University , Hamilton, ON, Canada.
Insights
Bone biomarkers reflect skeletal growth and turnover. This review discusses serum bone markers for assessing bone health and managing metabolic bone disease.
Area of Science:
- Orthopedics and Endocrinology
- Biochemistry
- Human Physiology
Background:
- Skeletal development continues from embryonic life through early adulthood, influencing peak bone mass and later skeletal fragility.
- Bone remodeling, involving formation by osteoblasts and resorption by osteoclasts, persists throughout life.
- Children exhibit higher bone biomarker concentrations due to rapid skeletal growth and bone turnover.
Purpose of the Study:
- To review serum bone markers used in assessing bone health.
- To discuss factors influencing the utility of these bone markers.
- To highlight the importance of biochemical assessment in metabolic bone disease management.
Main Methods:
- Literature review of studies on bone biomarkers.
- Analysis of factors affecting serum bone marker concentrations.
- Discussion of clinical applications in metabolic bone disease.
Main Results:
- Serum bone markers reflect bone formation and resorption processes.
- Children and adolescents show higher bone turnover markers compared to adults.
- Bone biomarkers are crucial for diagnosing and managing metabolic bone disorders.
Conclusions:
- Serum bone markers provide valuable insights into bone health and turnover.
- Understanding factors influencing bone markers is essential for accurate interpretation.
- Biochemical assessment of bone turnover aids in the management of skeletal diseases.
Abstract:
Development of the human skeleton begins in early embryonic life and continues through childhood into early adulthood. The acquisition of peak bone mass during these vulnerable periods may impact on skeletal fragility in later adult years. Once the skeleton has reached maturity, bone remodelling continues with periodic replacement of old bone with new at the same location. Bone biomarkers are specifically derived biomarkers that reflect both formation by osteoblasts and resorption by osteoclasts. Children have significantly higher concentrations of bone biomarkers than adults due to both skeletal growth and rapid bone turnover during childhood and adolescence. Biochemical assessment of markers of bone turnover may be important in the diagnosis, prognosis and management of metabolic bone disease. This review will discuss the various serum bone markers used for assessing bone health and the factors that influence their utility.
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