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.

EJIFCC
|September 30, 2016
PubMed

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.

Related Concept Videos

Role of Vitamins in Maintaining Bone Health01:25

Role of Vitamins in Maintaining Bone Health

The growth and maintenance of bone are regulated by a combination of nutritional factors, including vitamins, such as vitamin A, B12, C, D, and K.
Vitamin A
Vitamin A is involved in the process of bone remodeling. Retinoic acid, the active metabolite of Vitamin A, has nuclear receptors in osteoblasts and osteoclasts, which are involved in bone remodeling.
Vitamin B12
Vitamin B12 acts as a cofactor during the formation of osteoblast-related proteins, such as osteocalcin. Vitamin B12 plays a role...
5.9K
Bone Disorders01:29

Bone Disorders

Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
5.9K
Essential Minerals for Bone Health01:31

Essential Minerals for Bone Health

The minerals contained in all of the food we consume are essential for our organ systems. However, certain essential minerals, such as calcium, phosphorus, magnesium, manganese, and fluoride, largely affect bone health.
Calcium and Phosphorus
Calcium is a critical component of bones, especially in the form of calcium phosphate and calcium carbonate. Since the body cannot make calcium, it must be obtained from the diet. However, calcium cannot be absorbed from the small intestine without...
7.0K
Hormones and Bone Tissue01:17

Hormones and Bone Tissue

The endocrine system produces and secretes hormones, which interact with the skeletal system. These hormones control bone growth, maintain bone once it is formed, and remodel it.
Hormones That Influence Osteoblasts and/or Maintain the Matrix
Several hormones are necessary for controlling bone growth and maintaining the bone matrix. The pituitary gland secretes growth hormone (GH), which, as its name implies, controls bone growth. This happens in several ways: first, it triggers chondrocyte...
4.1K