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Related Concept Videos

Essential Minerals for Bone Health01:31

Essential Minerals for Bone Health

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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.
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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The Bone Matrix01:18

The Bone Matrix

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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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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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Role of Vitamins in Maintaining Bone Health01:25

Role of Vitamins in Maintaining Bone Health

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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...
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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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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...
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Bone as Supporting Connective Tissue01:23

Bone as Supporting Connective Tissue

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Bone tissue forms the internal skeleton of vertebrate animals, providing structure to the body.
Bone Matrix
Bone, or osseous tissue, is a connective tissue that has a large amount of two different types of matrix material. The organic matrix is similar to the matrix material found in other connective tissues, including some amount of collagen and elastic fibers. This gives strength and flexibility to the tissue. The inorganic matrix consists of mineral salts— mostly calcium salts—...
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Updated: Mar 10, 2026

Using Real-Time Cell Metabolic Flux Analyzer to Monitor Osteoblast Bioenergetics
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Using Real-Time Cell Metabolic Flux Analyzer to Monitor Osteoblast Bioenergetics

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Lectins bring benefits to bones.

Charles Kf Chan1, Ryan C Ransom2, Michael T Longaker2

  • 1Hagey Laboratory for Pediatric Regenerative Medicine and Department of Surgery, the Departments of Pathology and Developmental Biology and the Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Palo Alto, United States.

Elife
|December 14, 2016
PubMed
Summary
This summary is machine-generated.

Researchers discovered that c-type lectins, a class of proteins, stimulate bone growth. This finding may pave the way for novel therapeutic strategies targeting age-related bone conditions.

Keywords:
developmental biologymouseosteogenesisosteoporosisskeletal stem cellsstem cells

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Orthopedics

Background:

  • Age-related bone disorders, such as osteoporosis, represent a significant global health challenge.
  • Understanding the molecular mechanisms regulating bone formation is crucial for developing effective treatments.

Purpose of the Study:

  • To investigate the role of c-type lectins in bone metabolism.
  • To determine if c-type lectins can be targeted for therapeutic intervention in bone diseases.

Main Methods:

  • Utilized genetic and biochemical techniques to study c-type lectin function in bone cells.
  • Employed in vivo models to assess the impact of c-type lectins on bone growth and density.

Main Results:

  • Identified specific c-type lectins that actively promote osteoblast differentiation and bone matrix deposition.
  • Demonstrated that modulating c-type lectin activity significantly enhances bone formation in preclinical models.

Conclusions:

  • C-type lectins are key regulators of bone growth and represent promising therapeutic targets.
  • Targeting c-type lectins could offer a new approach to treating osteoporosis and other age-related bone disorders.