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Related Concept Videos

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...
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...
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...
Bone Remodeling01:40

Bone Remodeling

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.
Minerals01:26

Minerals

Minerals are essential nutrients that the human body needs in small amounts to work properly. They play a vital role in many bodily functions, such as building strong bones and transmitting nerve impulses. Some minerals are needed for hormone production or to maintain a normal heartbeat. Major minerals include calcium, phosphorus, potassium, sulfur, sodium, chlorine, and magnesium, while trace minerals include iron, manganese, copper, iodine, zinc, cobalt, fluoride, and selenium.
Osteoclasts in Bone Remodeling01:31

Osteoclasts in Bone Remodeling

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 bone...

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Related Experiment Videos

Osteoporosis and trace elements--an overview.

Jan Aaseth1, Georges Boivin, Ole Andersen

  • 1Department of Medicine, Innlandet Hospital Trust, 2226 Kongsvinger, Norway. jaol-aas@online.no

Journal of Trace Elements in Medicine and Biology : Organ of the Society for Minerals and Trace Elements (GMS)
|May 12, 2012
PubMed
Summary
This summary is machine-generated.

Osteoporosis affects over 200 million people globally. While trace elements like zinc and copper are vital for bone health, their exact roles in osteoporosis remain unclear, though some show therapeutic promise.

Related Experiment Videos

Area of Science:

  • Orthopedics and Metabolic Bone Diseases
  • Nutritional Biochemistry

Background:

  • Osteoporosis is a global health issue affecting over 200 million people, leading to millions of fractures annually.
  • It is a complex disease influenced by genetic, endocrine, exercise, and nutritional factors.
  • Key nutrients and trace elements, including calcium, vitamin D, magnesium, zinc, copper, and fluoride, are crucial for skeletal integrity.

Purpose of the Study:

  • To review the current understanding of trace element involvement in osteoporosis.
  • To explore the potential therapeutic roles of various trace elements and mineral supplements in managing osteoporosis.

Main Methods:

  • Literature review of studies investigating the role of trace elements in bone metabolism and osteoporosis.
  • Analysis of research on the effects of specific trace elements (e.g., fluoride, aluminum, gallium, cadmium, zinc, copper) on bone formation and turnover.
  • Evaluation of clinical trials on mineral and trace substance supplementation for osteoporosis treatment.

Main Results:

  • Trace elements like zinc and copper are essential for normal skeletal development.
  • Fluoride can increase bone mass but may compromise bone quality.
  • Aluminum impairs bone formation, while gallium and cadmium suppress bone turnover.
  • The precise mechanisms of many trace elements in osteoporosis are not fully elucidated.

Conclusions:

  • While bisphosphonates remain the primary treatment, further research into the role of trace elements is warranted.
  • Low-dosed fluoride and strontium salts show potential as future therapeutic options for osteoporosis management.