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Bone Disorders01:29

Bone Disorders

4.1K
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...
4.1K
What is the Skeletal System?01:02

What is the Skeletal System?

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Overview
53.9K
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.
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...
3.0K
Bone Remodeling01:40

Bone Remodeling

38.6K
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.
38.6K
Osteoclasts in Bone Remodeling01:31

Osteoclasts in Bone Remodeling

3.3K
Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. Numerous progenitor cells fuse to form multinucleated cells, each with 10-20 nuclei. A single osteoclast has a diameter of 150 to 200 µM. These cells have ruffled borders that break down the underlying bone tissue and release minerals such as calcium into the blood in bone resorption. Osteoclasts cling to bones with their ruffled edges during...
3.3K
Essential Minerals for Bone Health01:31

Essential Minerals for Bone Health

4.6K
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...
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Related Experiment Video

Updated: Sep 28, 2025

Murine Hind Limb Long Bone Dissection and Bone Marrow Isolation
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Murine Hind Limb Long Bone Dissection and Bone Marrow Isolation

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Metabolic Bone Diseases and New Drug Developments.

Vijayakumar Natesan1, Sung-Jin Kim2

  • 1Department of Biochemistry and Biotechnology, Faculty of Science, Annamalai University, Annamalainagar 608002, Tamil Nadu, India.

Biomolecules & Therapeutics
|March 28, 2022
PubMed
Summary

Metabolic bone diseases affect millions globally, increasing fracture risk. Early detection, diet, and new drugs offer hope for prevention and treatment.

Keywords:
Metabolic bone diseasesNew drugsOdanacatibOsteomalaciaOsteoporosis

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Area of Science:

  • Endocrinology
  • Bone Biology
  • Public Health

Background:

  • Metabolic bone diseases pose significant global health risks, particularly for individuals over 50.
  • Fracture incidence is high, affecting one in two women and one in four men.
  • These conditions necessitate increased awareness, early detection, and effective management strategies.

Purpose of the Study:

  • To review common metabolic bone diseases, including osteoporosis, primary hyperparathyroidism, osteomalacia, and fluorosis.
  • To detail their symptoms, underlying mechanisms, and etiological factors.
  • To discuss current and emerging therapeutic interventions and preventive measures.

Main Methods:

  • Comprehensive literature review of metabolic bone diseases.
  • Analysis of epidemiological data on fracture risk.
  • Synthesis of information on nutritional interventions and pharmacological treatments.

Main Results:

  • Balanced nutrition with calcium, phosphate, and vitamin D aids bone health and reduces fracture risk.
  • Several novel drugs (e.g., raloxifene, teriparatide, denosumab) are effective treatments.
  • Other promising agents (e.g., romosozumab) are in clinical development.

Conclusions:

  • Metabolic bone diseases require multifaceted management strategies.
  • Nutritional support and targeted pharmacotherapy are crucial for improving bone health.
  • Ongoing research into new drug formulations promises enhanced treatment outcomes.