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Related Concept Videos

Bone Disorders01:29

Bone Disorders

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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...
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Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.
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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.
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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...
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The Bone Matrix01:18

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Bone contains a relatively small number of cells entrenched in a matrix of collagen fibers that provide an adherent surface for inorganic salt crystals. Both components of the matrix, organic and inorganic, contribute to the unusual properties of bone. Without collagen, bones would be brittle and shatter easily. Without mineral crystals, bones would flex and provide little support. This can be observed by an experiment: when the minerals of a bone are dissolved by soaking the bone in...
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Hormones and Bone Tissue01:17

Hormones and Bone Tissue

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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.
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Related Experiment Video

Updated: Mar 28, 2026

Author Spotlight: Enhancing Accuracy and Reproducibility in Whole Bone Bending Tests
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[Changes in bone quality and strength with bone-forming agents].

Naohisa Miyakoshi1

  • 1Department of Orthopedic Surgery, Akita University Graduate School of Medicine, Japan.

Clinical Calcium
|January 6, 2016
PubMed
Summary

Teriparatide, a bone anabolic agent, enhances bone quality by improving collagen cross-links and bone mineral density. It significantly reduces vertebral fracture risk and shows promise in accelerating osteoporotic fracture healing.

Area of Science:

  • Orthopedics
  • Endocrinology
  • Gerontology

Background:

  • Teriparatide is the sole bone anabolic agent in Japan for osteoporosis.
  • It improves bone quality by enhancing collagen cross-links and reducing advanced glycation end-products.
  • Bone mineral density and microarchitecture improvements contribute to increased bone strength.

Purpose of the Study:

  • To review the effects of teriparatide on bone quality and fracture healing.
  • To highlight teriparatide's role in managing osteoporosis and osteoporotic fractures.

Main Methods:

  • Review of clinical studies and scientific literature on teriparatide.
  • Analysis of teriparatide's impact on bone collagen, mineral density, and microarchitecture.
  • Evaluation of teriparatide's efficacy in reducing fracture risk and promoting fracture healing.

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Main Results:

  • Teriparatide increases bone collagen content, enzymatic cross-links, and bone mineral density.
  • It decreases pentosidine, a marker of advanced glycation end-products.
  • Teriparatide administration leads to improved bone microarchitecture and increased bone strength.
  • Significant reduction in new vertebral fractures observed.
  • Evidence suggests accelerated healing of osteoporotic fractures.

Conclusions:

  • Teriparatide offers potent osteogenic effects, improving bone quality and strength.
  • It is effective in reducing vertebral fracture risk in osteoporosis patients.
  • Teriparatide shows promise for accelerating osteoporotic fracture healing and preventing vertebral collapse progression.