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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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Role of Vitamins in Maintaining Bone Health01:25

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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.
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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.
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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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Calcium is not only the most abundant mineral in bone but also the most abundant mineral in the human body. Calcium ions are needed for bone mineralization, tooth health, heart rate regulation and strength of contraction, blood coagulation, the contraction of smooth and skeletal muscle cells, and the regulation of nerve impulse conduction. The average calcium level in the blood is about 10 mg/dL. When the body cannot maintain this level, a person will experience hypo or hypercalcemia.
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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.
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Bone Remodeling01:40

Bone Remodeling

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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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Using Real-Time Cell Metabolic Flux Analyzer to Monitor Osteoblast Bioenergetics
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Bone metabolism - an underappreciated player.

In Ah Choi1,2, Akio Umemoto1, Masataka Mizuno1

  • 1Arthritis and Tissue Degeneration Program, David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY, 10021, USA.

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This summary is machine-generated.

Cellular metabolism is key to bone remodeling and adaptation. Understanding metabolic reprogramming in bone cells (osteoclasts, osteoblasts, osteocytes) offers new therapeutic targets for bone diseases.

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Area of Science:

  • Bone biology and cellular metabolism.

Background:

  • Bone remodeling involves osteoclasts, osteoblasts, and osteocytes.
  • Cellular metabolism influences bone cell function and adaptation to microenvironmental changes.
  • Bone metabolism impacts whole-body energy metabolism.

Purpose of the Study:

  • To elucidate the coordination of metabolic processes among bone cells under physiological conditions.
  • To understand how altered bone cell metabolism contributes to pathological conditions.
  • To identify novel therapeutic strategies for bone diseases by understanding distinct metabolic requirements.

Main Methods:

  • Review of recent advances in cellular metabolism research in bone biology.
  • Discussion of metabolic reprogramming in osteoclasts, osteoblasts, and osteocytes.

Main Results:

  • Cellular metabolism is integral to bone cell differentiation and function.
  • Metabolic reprogramming in bone cells is crucial for adapting to the bone microenvironment.
  • Dysregulated metabolism in bone cells is linked to pathological conditions.

Conclusions:

  • A deeper understanding of bone cell metabolism is essential for treating bone diseases.
  • Targeting metabolic pathways in bone cells presents promising therapeutic avenues.